/* ============================================
   LANGY — SCREEN STYLES
   Per-screen specific styling
   ============================================ */

/* ========== AUTH ========== */
.auth {
    justify-content: center;
    gap: var(--sp-6);
    padding-top: var(--sp-12);
}

.auth__logo {
    text-align: center;
    margin-bottom: var(--sp-4);
}

.auth__logo h1 {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth__logo p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-top: var(--sp-1);
}

.auth__mascot {
    display: flex;
    justify-content: center;
    margin-bottom: var(--sp-4);
}

.auth__form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.auth__social {
    display: flex;
    gap: var(--sp-3);
}

.auth__social .btn {
    flex: 1;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    font-size: var(--fs-md);
}

.auth__footer {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}
.auth__footer a {
    font-weight: var(--fw-semibold);
}

/* ========== MASCOT SELECT ========== */
.mascot-select {
    align-items: center;
    padding-top: var(--sp-10);
    gap: var(--sp-8);
}

.mascot-select__title {
    text-align: center;
}

.mascot-select__carousel {
    display: flex;
    gap: var(--sp-5);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: var(--sp-4) var(--sp-2);
    width: 100%;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.mascot-select__carousel::-webkit-scrollbar { display: none; }

.mascot-card {
    flex: 0 0 240px;
    scroll-snap-align: center;
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--sp-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
    border: 2px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}
.mascot-card:active { transform: scale(0.97); }
.mascot-card--selected {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow-primary);
}

.mascot-card__model {
    width: 160px;
    height: 180px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--accent-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--sp-3);
}

.mascot-card__name {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
}

.mascot-card__personality {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.5;
}

/* ========== SUBSCRIPTION ========== */
.subscription {
    padding-top: var(--sp-10);
    gap: var(--sp-6);
}

.subscription__header {
    text-align: center;
}
.subscription__header p {
    color: var(--text-secondary);
    margin-top: var(--sp-2);
}

.plan-cards {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.plan-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-5);
    border: 2px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}
.plan-card:active { transform: scale(0.98); }

.plan-card--recommended {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow-primary);
}

.plan-card__badge {
    position: absolute;
    top: 12px;
    right: -30px;
    background: var(--primary);
    color: white;
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    padding: 4px 36px;
    transform: rotate(45deg);
}

.plan-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--sp-3);
}

.plan-card__name {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
}

.plan-card__price {
    text-align: right;
}
.plan-card__price .amount {
    font-size: var(--fs-xl);
    font-weight: var(--fw-black);
    color: var(--primary);
}
.plan-card__price .period {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

.plan-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-top: var(--sp-3);
}

.plan-card__feature {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}
.plan-card__feature::before {
    content: '✓';
    color: var(--accent-dark);
    font-weight: var(--fw-bold);
    font-size: var(--fs-sm);
}

/* ========== HOME ========== */
.home {
    padding: 0;
    min-height: 100vh;
    background-color: var(--bg);
    background-image: url("data:image/svg+xml,%3Csvg width='42' height='44' viewBox='0 0 42 44' xmlns='http://www.w3.org/2000/svg'%3E%3Cg id='Page-1' fill='none' fill-rule='evenodd'%3E%3Cg id='brick-wall' fill='%23e2dcd3' fill-opacity='0.6'%3E%3Cpath d='M0 0h42v44H0V0zm1 1h40v20H1V1zM0 23h20v20H0V23zm22 0h20v20H22V23z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-attachment: fixed;
}

.home__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-4) var(--sp-5);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, transparent 100%);
}

.home__coins {
    display: flex;
    gap: var(--sp-2);
}

.home__center {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: var(--sp-12) var(--sp-6) var(--sp-4);
    min-height: 480px;
    justify-content: flex-end;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.1) 0%, var(--bg) 100%), 
                url('../assets/cartoon_england_bg.png');
    background-size: cover;
    background-position: center bottom;
    border-radius: 0 0 40px 40px;
}

.home__mascot-area {
    width: 250px;
    height: 320px;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mascot Idle Animation — gentle breathing + sway */
@keyframes mascotIdle {
    0%, 100% { transform: scale(1.1) translateY(0) rotate(0deg); }
    25% { transform: scale(1.12) translateY(-6px) rotate(0.5deg); }
    50% { transform: scale(1.1) translateY(-10px) rotate(0deg); }
    75% { transform: scale(1.12) translateY(-6px) rotate(-0.5deg); }
}

/* Mascot Bounce on Tap */
@keyframes mascotBounce {
    0% { transform: scale(1.1) translateY(0); }
    20% { transform: scale(1.0) translateY(10px); }
    50% { transform: scale(1.2) translateY(-30px); }
    70% { transform: scale(1.05) translateY(-5px); }
    85% { transform: scale(1.15) translateY(-15px); }
    100% { transform: scale(1.1) translateY(0); }
}

/* Speech Bubble */
.mascot-bubble {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    color: var(--text);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-xl);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    white-space: nowrap;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    z-index: 20;
    border: 2px solid var(--primary);
}

.mascot-bubble::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--primary);
}

@keyframes bubblePop {
    0% { transform: translateX(-50%) scale(0); opacity: 0; }
    60% { transform: translateX(-50%) scale(1.1); opacity: 1; }
    100% { transform: translateX(-50%) scale(1); opacity: 1; }
}

@keyframes bubbleFade {
    0% { transform: translateX(-50%) scale(1); opacity: 1; }
    100% { transform: translateX(-50%) scale(0.8) translateY(-10px); opacity: 0; }
}

.home__side-icons {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    z-index: 3;
}

.home__side-icons--left {
    left: 8px;
}

.home__side-icons--right {
    right: 8px;
}

.home__streak {
    margin: var(--sp-4) var(--sp-5);
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4) var(--sp-5);
    box-shadow: 0 4px 0 var(--border), 0 8px 16px rgba(0,0,0,0.05);
    border: 3px solid var(--border);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}
.home__streak:active { transform: translateY(2px) scale(0.98); box-shadow: 0 2px 0 var(--border); }

.home__streak-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-3);
}

.home__streak-header {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

/* ── Streak Week ── */
.streak-week {
    position: relative;
    padding: var(--sp-3) 0 var(--sp-1);
}

.streak-week__track {
    position: absolute;
    top: calc(var(--sp-3) + 10px);
    left: 16px;
    right: 16px;
    height: 3px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    z-index: 0;
}

.streak-week__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    transition: width 1s var(--ease-out);
}

.streak-week__days {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.streak-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.streak-day__dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--surface);
    border: 2.5px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    transition: all 0.3s;
}

.streak-day span {
    font-size: 9px;
    color: var(--text-tertiary);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Done */
.streak-day--done .streak-day__dot {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 2px 6px rgba(124, 108, 246, 0.3);
}
.streak-day--done span { color: var(--primary); }

/* Active today */
.streak-day--active .streak-day__dot {
    background: var(--danger);
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
    animation: dotPulse 2s infinite;
}
.streak-day--active span { color: var(--danger); font-weight: var(--fw-black); }

@keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15); }
    50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0.05); }
}

/* Reward (Sunday) */
.streak-day--reward .streak-day__dot {
    background: var(--reward-gold-bg);
    border-color: var(--reward-gold);
    font-size: 11px;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.fire-animated {
    animation: streakFire 1.5s ease-in-out infinite;
    display: inline-block;
    font-size: 28px;
}

.home__actions {
    padding: var(--sp-2) var(--sp-5) var(--sp-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
}

.action-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    box-shadow: 0 4px 0 var(--border), 0 6px 12px rgba(0,0,0,0.05);
    border: 3px solid var(--border);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}
.action-card:active { transform: translateY(2px) scale(0.96); box-shadow: 0 2px 0 var(--border); }
.action-card:hover { box-shadow: 0 4px 0 var(--border), 0 8px 16px rgba(0,0,0,0.08); }

.action-card__icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}
.action-card__icon--purple { background: var(--primary-bg); }
.action-card__icon--green  { background: var(--accent-bg); }
.action-card__icon--gold   { background: var(--reward-gold-bg); }
.action-card__icon--blue   { background: rgba(59,130,246,0.1); }

.action-card__title {
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
}

.action-card__desc {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Locked states */
.action-card--locked {
    opacity: 0.7;
    background: var(--bg-alt);
    border-style: dashed;
    cursor: not-allowed;
    filter: grayscale(0.5);
}
.action-card--locked:active {
    transform: none;
    box-shadow: 0 4px 0 var(--border), 0 6px 12px rgba(0,0,0,0.05);
}

.home__actions--locked {
    position: relative;
}

/* ========== PLACEMENT TEST EXPANSION ========== */
.placement-test__writing {
    width: 100%;
    min-height: 150px;
    padding: var(--sp-4);
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 2px solid var(--border);
    font-family: inherit;
    font-size: var(--fs-md);
    line-height: 1.6;
    resize: none;
    transition: border-color 0.3s;
}
.placement-test__writing:focus {
    outline: none;
    border-color: var(--primary);
}

.word-count {
    text-align: right;
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: var(--sp-2);
}

.recorder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
    margin-top: var(--sp-6);
}

.recorder__btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--danger);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.recorder__btn--active {
    animation: recordingPulse 1.5s infinite;
    transform: scale(1.1);
}

@keyframes recordingPulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
    70% { box-shadow: 0 0 0 20px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.ai-eval-modal {
    text-align: center;
    padding: var(--sp-8) var(--sp-6);
}

.ai-eval-line {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: var(--sp-4);
    font-family: monospace;
}

.test-image {
    width: 100%;
    border-radius: var(--radius-xl);
    margin-bottom: var(--sp-4);
    object-fit: cover;
    border: 1px solid var(--border);
    max-height: 250px;
}



/* ========== LEARNING (SINGLE PAGE BOOK) ========== */
.learning-deeptutor {
    padding: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--bg);
}

.tutor-header-area {
    padding: var(--sp-6) var(--sp-4) var(--sp-4);
    display: flex;
    justify-content: center;
    background: linear-gradient(to bottom, var(--surface) 0%, transparent 100%);
}

.tutor-feed {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-4) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    scroll-behavior: smooth;
    mask-image: linear-gradient(to bottom, transparent, black 5%, black 95%, transparent);
}

.learning-deeptutor .learning-header {
    background: var(--surface);
    margin: 0;
    padding: var(--sp-4) var(--sp-6);
    border-bottom: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.learning-header__info {
    display: flex;
    flex-direction: column;
}

.learning-header__unit {
    font-size: 10px;
    font-weight: var(--fw-black);
    color: var(--text-tertiary);
    text-transform: uppercase;
}

.learning-header__title {
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
}

.learning-book.is-open .learning-book__cover {
    transform: rotateY(-180deg);
}

.learning-book__cover-title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    text-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.learning-book__cover-subtitle {
    margin-top: var(--sp-2);
    font-size: var(--fs-lg);
    opacity: 0.8;
}

/* Single Page Content Area */
.learning-book__content {
    flex: 1;
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--sp-6) var(--sp-6);
    display: flex;
    flex-direction: column;
    box-shadow: 10px 10px 30px rgba(0,0,0,0.05);
    border: 1px solid var(--border-light);
    position: relative;
    z-index: 1;
}

/* Inside - Header */
.learning-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--sp-4);
    border-bottom: 2px solid var(--bg-alt);
    margin-bottom: var(--sp-4);
}

.learning-header__tutor {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.tutor-avatar {
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, var(--surface) 0%, var(--bg-alt) 100%);
    border-radius: 50%;
    border: 4px solid var(--primary);
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 25px rgba(124, 108, 246, 0.2);
    flex-shrink: 0;
    transition: all var(--duration-normal) var(--ease-spring);
    z-index: 5;
}

.tutor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s var(--ease-spring);
}

/* Mascot Emotions */
.mascot--happy {
    animation: mascotJump 0.6s var(--ease-spring) infinite alternate;
    filter: drop-shadow(0 0 10px var(--accent-light));
}

.mascot--thinking {
    animation: mascotTilt 2s ease-in-out infinite;
    filter: grayscale(0.2);
}

.mascot--encouraging {
    animation: mascotPulse 1s ease-in-out infinite alternate;
}

.mascot--surprised {
    transform: scale(1.1);
    filter: brightness(1.2);
}

@keyframes mascotJump {
    from { transform: translateY(0); }
    to   { transform: translateY(-15px); }
}

@keyframes mascotTilt {
    0%, 100% { transform: rotate(-5deg) scale(0.98); }
    50%      { transform: rotate(5deg) scale(1.02); }
}

@keyframes mascotPulse {
    from { transform: scale(1); opacity: 1; }
    to   { transform: scale(1.05); opacity: 0.9; }
}

/* ========== DEEPTUTOR GLOBAL WIDGET ========== */
.tutor-widget {
    position: fixed;
    right: -40px; /* Peek state */
    top: 60%;
    transform: translateY(-50%);
    z-index: var(--z-modal);
    display: none; /* Changed back to hidden */
    align-items: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.tutor-widget.is-visible {
    display: flex;
}

.tutor-widget:hover {
    right: -10px;
}

.tutor-widget__badge {
    width: 80px;
    height: 80px;
    background: var(--surface);
    border: 4px solid var(--primary);
    border-radius: 50%;
    box-shadow: -8px 0 20px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    padding: var(--sp-2);
}

.tutor-widget__badge img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.tutor-widget:hover .tutor-widget__badge img {
    transform: scale(1.1) rotate(-5deg);
}

.tutor-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: calc(var(--z-modal) + 1);
    display: none;
    align-items: flex-end;
    justify-content: flex-end;
    padding: var(--sp-6);
    animation: fadeIn 0.3s ease;
}

.tutor-overlay.is-active {
    display: flex;
}

.tutor-chat-window {
    width: 100%;
    max-width: 400px;
    height: 70vh;
    background: var(--surface);
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideInUp 0.4s var(--ease-spring);
}

.tutor-chat__header {
    background: var(--primary);
    color: white;
    padding: var(--sp-4) var(--sp-5);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.tutor-chat__close {
    margin-left: auto;
    cursor: pointer;
    font-size: 20px;
}

.tutor-chat__messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.tutor-chat__input {
    padding: var(--sp-4);
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: var(--sp-2);
}

/* ========== STRUCTURED WORKBOOK REFACTOR ========== */
.workbook-v3 {
    padding: var(--sp-6);
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-8);
}

.workbook-section {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--sp-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    animation: fadeIn 0.8s ease both;
}

.workbook-theory {
    border-left: 6px solid var(--primary);
}

.workbook-theory h3 {
    color: var(--primary);
    margin-bottom: var(--sp-4);
}

.workbook-theory p {
    line-height: 1.7;
    font-size: var(--fs-lg);
}

.theory-example {
    background: var(--bg-alt);
    padding: var(--sp-4);
    border-radius: var(--radius-lg);
    margin-top: var(--sp-4);
    font-style: italic;
}

.chat-bubble {
    max-width: 85%;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-lg);
    font-size: var(--fs-base);
    line-height: 1.6;
    animation: scaleIn var(--duration-normal) var(--ease-spring) both;
}

.chat-bubble--ai {
    align-self: flex-start;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-bottom-left-radius: var(--sp-1);
    box-shadow: var(--shadow-sm);
}

.chat-bubble--user {
    align-self: flex-end;
    background: var(--primary);
    color: var(--text-inverse);
    border-bottom-right-radius: var(--sp-1);
    box-shadow: 0 4px 12px rgba(124, 108, 246, 0.2);
}

/* Input Area */
.learning__input-area {
    display: flex;
    gap: var(--sp-2);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--border-light);
}

.learning__input-area .input {
    flex: 1;
    background: var(--bg-alt);
    border: none;
    border-radius: var(--radius-full);
    padding: var(--sp-3) var(--sp-5);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

/* ========== HOMEWORK ========== */
.homework__list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding: 0 var(--sp-6);
}

.homework-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}
.homework-card:active { transform: scale(0.98); }

.homework-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.homework-card__info {
    flex: 1;
    min-width: 0;
}

.homework-card__title {
    font-weight: var(--fw-semibold);
    font-size: var(--fs-base);
}

.homework-card__meta {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

.homework-card__status {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    padding: var(--sp-1) var(--sp-2);
    border-radius: var(--radius-sm);
}
.homework-card__status--done { background: var(--accent-bg); color: var(--accent-dark); }
.homework-card__status--pending { background: var(--reward-gold-bg); color: var(--reward-gold); }
.homework-card__status--error { background: var(--danger-bg); color: var(--danger); }

/* ========== TESTS ========== */
.tests__categories {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding: 0 var(--sp-6);
}

.test-category {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4) var(--sp-5);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}
.test-category:active { transform: scale(0.98); }

.test-category__header {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-3);
}

.test-category__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.test-category__scores {
    display: flex;
    gap: var(--sp-2);
    flex-wrap: wrap;
}

.test-score {
    padding: var(--sp-1) var(--sp-3);
    background: var(--bg-alt);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

/* ========== RESULTS ========== */
.results__content {
    padding: 0 var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.results__overall {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: var(--sp-6);
    color: var(--text-inverse);
    text-align: center;
}

.results__level {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    margin-bottom: var(--sp-1);
}

.results__skills {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.skill-bar {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--sp-3) var(--sp-4);
    border: 1px solid var(--border-light);
}

.skill-bar__header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--sp-2);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
}

/* ========== DAILY CHALLENGE ========== */
.daily {
    padding: 0;
}

.daily__hero {
    background: linear-gradient(135deg, var(--primary-bg), var(--accent-bg));
    padding: var(--sp-8) var(--sp-6);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
}

.daily__timer-ring {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 6px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--surface);
}

.daily__timer-ring::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 6px solid transparent;
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    animation: spin 3s linear infinite;
}

.daily__timer-text {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    font-variant-numeric: tabular-nums;
}

.daily__reward {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    background: var(--reward-gold-bg);
    border-radius: var(--radius-full);
    font-weight: var(--fw-bold);
    color: var(--reward-gold);
}

.daily__tasks {
    padding: var(--sp-5) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.daily-task {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.daily-task__check {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: all var(--duration-normal) var(--ease-out);
}
.daily-task__check--done {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.daily-task__info { flex: 1; }
.daily-task__title { font-weight: var(--fw-semibold); font-size: var(--fs-base); }
.daily-task__desc { font-size: var(--fs-xs); color: var(--text-secondary); margin-top: 2px; }

/* ========== SHOP ========== */
.shop__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
    padding: 0 var(--sp-6);
}

.shop-item {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    text-align: center;
}
.shop-item:active { transform: scale(0.96); }

.shop-item__preview {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.shop-item__name {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
}

.shop-item__price {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    color: var(--reward-gold);
}

.shop-item--premium {
    border-color: var(--reward-gold);
    box-shadow: var(--shadow-glow-gold);
}

/* ========== INVENTORY ========== */
.inventory__mascot-area {
    display: flex;
    justify-content: center;
    padding: var(--sp-6);
    position: relative;
}

.inventory__mascot {
    width: 200px;
    height: 260px;
    border-radius: var(--radius-2xl);
    background: linear-gradient(135deg, var(--primary-bg), var(--accent-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border);
    position: relative;
}

.inventory__slots {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.inventory__slot {
    position: absolute;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    pointer-events: auto;
    cursor: pointer;
}
.inventory__slot--hat { top: -10px; left: 50%; transform: translateX(-50%); }
.inventory__slot--shirt { top: 40%; right: -22px; }
.inventory__slot--pants { bottom: 20%; right: -22px; }
.inventory__slot--shoes { bottom: -10px; left: 50%; transform: translateX(-50%); }
.inventory__slot--acc { top: 40%; left: -22px; }

.inventory__items {
    padding: 0 var(--sp-6);
}

.inventory__items-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-2);
}

.inventory-item {
    aspect-ratio: 1;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}
.inventory-item:active { transform: scale(0.92); }
.inventory-item--equipped { border-color: var(--primary); background: var(--primary-bg); }

/* ========== DUELS ========== */
.duels__modes {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding: 0 var(--sp-6);
}

.duel-mode {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-5);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}
.duel-mode:active { transform: scale(0.98); }

.duel-mode__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.duel-mode__title {
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
}

.duel-mode__desc {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Duel Search */
.duel-search {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    gap: var(--sp-6);
    text-align: center;
    padding: var(--sp-6);
}

.duel-search__spinner {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

.duel-search__text {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    animation: pulse 2s ease-in-out infinite;
}

/* Duel Battle */
.duel-battle {
    min-height: 100vh;
}

.duel-battle__top {
    height: 35vh;
    background: linear-gradient(135deg, var(--primary-bg), var(--accent-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-8);
    position: relative;
}

.duel-fighter {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
}

.duel-fighter__mascot {
    width: 100px;
    height: 120px;
    border-radius: var(--radius-xl);
    background: var(--surface);
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.duel-fighter__name {
    font-weight: var(--fw-bold);
    font-size: var(--fs-base);
}

.duel-fighter__score {
    font-size: var(--fs-xl);
    font-weight: var(--fw-black);
    color: var(--primary);
}

.duel-vs {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    color: var(--danger);
    animation: pulse 1s ease-in-out infinite;
}

.duel-battle__bottom {
    padding: var(--sp-5) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.duel-question {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-5);
    text-align: center;
    border: 1px solid var(--border-light);
}

.duel-question__text {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-4);
}

.duel-question__options {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.duel-option {
    padding: var(--sp-3) var(--sp-4);
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    font-weight: var(--fw-medium);
    transition: all var(--duration-fast) var(--ease-out);
    text-align: left;
    font-family: var(--font);
    font-size: var(--fs-base);
}
.duel-option:active { transform: scale(0.98); }
.duel-option--correct { border-color: var(--accent); background: var(--accent-bg); }
.duel-option--wrong { border-color: var(--danger); background: var(--danger-bg); }
.duel-option--selected { border-color: var(--primary); background: var(--primary-bg); }

/* ========== EVENTS ========== */
.events__list {
    padding: 0 var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.event-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}
.event-card:active { transform: scale(0.98); }

.event-card__banner {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.event-card__content {
    padding: var(--sp-4);
}

.event-card__title {
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
}

.event-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--sp-2);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

/* ========== PROFILE ========== */
.profile {
    padding: 0;
}

.profile__header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: var(--sp-8) var(--sp-6) var(--sp-6);
    color: var(--text-inverse);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

.profile__avatar-large {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-3xl);
    border: 3px solid rgba(255,255,255,0.3);
}

.profile__name {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
}

.profile__level {
    font-size: var(--fs-sm);
    opacity: 0.8;
}

.profile__stats-row {
    display: flex;
    gap: var(--sp-6);
    margin-top: var(--sp-2);
}

.profile__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.profile__stat-value {
    font-size: var(--fs-lg);
    font-weight: var(--fw-black);
}
.profile__stat-label {
    font-size: var(--fs-xs);
    opacity: 0.7;
}

.profile__sections {
    padding: var(--sp-5) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.profile__section {
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.profile__section-title {
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile__option {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}
.profile__option:active { background: var(--bg-alt); }

.profile__option-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.profile__option-text {
    flex: 1;
}
.profile__option-label {
    font-weight: var(--fw-medium);
    font-size: var(--fs-base);
}
.profile__option-desc {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

.profile__option-arrow {
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
}

/* Toggle Switch */
.toggle {
    width: 48px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--border);
    position: relative;
    cursor: pointer;
    transition: background var(--duration-normal) var(--ease-out);
    flex-shrink: 0;
}
.toggle--active { background: var(--primary); }
.toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: white;
    box-shadow: var(--shadow-xs);
    transition: transform var(--duration-normal) var(--ease-spring);
}
.toggle--active::after { transform: translateX(20px); }

/* ========== STREAK OVERLAY ========== */
.streak-detail__stats {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.streak-detail__big-stat {
    text-align: center;
    padding: var(--sp-4);
}
.streak-detail__big-stat .value {
    font-size: 48px;
    font-weight: var(--fw-black);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
}
.streak-detail__big-stat .label {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: var(--sp-1);
}

.streak-detail__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
}

.streak-detail__item {
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--sp-4);
    text-align: center;
}
.streak-detail__item .value {
    font-size: var(--fs-xl);
    font-weight: var(--fw-black);
}
.streak-detail__item .label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: var(--sp-1);
}

.streak-detail__time-chart {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    margin-top: var(--sp-2);
}

.time-bar {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.time-bar__label {
    width: 80px;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    flex-shrink: 0;
}
.time-bar__track {
    flex: 1;
    height: 12px;
    background: var(--bg-alt);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.time-bar__fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s var(--ease-out);
}
.time-bar__value {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    width: 40px;
    text-align: right;
}

/* ========== DONATION ========== */
.donation {
    padding: 0;
}

.donation__content {
    padding: var(--sp-5) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}

.donation__plan-summary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: var(--sp-5);
    color: var(--text-inverse);
    text-align: center;
}

.donation__plan-name {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
}
.donation__plan-price {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    margin: var(--sp-2) 0;
}

.donation__methods {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.donation__method {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4);
    border: 2px solid var(--border-light);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.donation__method:active { transform: scale(0.98); }
.donation__method--selected { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-bg); }

.donation__method-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.donation__method-name {
    font-weight: var(--fw-semibold);
}
.donation__method-desc {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

.donation__amount {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.donation__presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-2);
}

.donation__preset {
    padding: var(--sp-3);
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
    transition: all var(--duration-fast) var(--ease-out);
    font-family: var(--font);
}
.donation__preset--selected { border-color: var(--primary); background: var(--primary-bg); color: var(--primary); }

/* ========== TEXTBOOKS ========== */
.textbooks__list {
    padding: 0 var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding-bottom: var(--sp-6);
}

.textbooks__loading {
    text-align: center;
    padding: var(--sp-8) 0;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

.textbook-card {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4);
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: transform var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out);
}
.textbook-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.textbook-card:active {
    transform: scale(0.98);
}

.textbook-card__icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.textbook-card__info {
    flex: 1;
    min-width: 0;
}

.textbook-card__title {
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.textbook-card__meta {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    padding: var(--sp-6);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--duration-normal) var(--ease-out),
                background var(--duration-normal) var(--ease-out);
}
.upload-zone:hover,
.upload-zone--active {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.upload-zone__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

.upload-zone__formats {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    margin-top: var(--sp-1);
}

/* Auth Error */
.auth__error {
    color: var(--danger);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    text-align: center;
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-md);
    background: var(--danger-bg);
    display: none;
    margin-top: var(--sp-3);
}
.auth__error:empty {
    display: none !important;
}


/* ========== INTERESTS ========== */
.interest-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}

.interest-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-6) var(--sp-4);
    border: 1px solid var(--border-light);
    text-align: center;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.interest-card:active {
    transform: scale(0.96);
}

.interest-card--active {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.interest-card__emoji {
    font-size: 32px;
    margin-bottom: var(--sp-2);
}

.interest-card__name {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
}

.interest-card__check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--duration-fast) var(--ease-spring);
}

.interest-card--active .interest-card__check {
    opacity: 1;
    transform: scale(1);
}

/* ========== WORKBOOK / LEARNING HUB ========== */
.learning-workbook {
    background: var(--bg);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.workbook-header {
    padding: var(--sp-4);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
}

.workbook-progress {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.workbook-progress__stats {
    text-align: right;
}

.workbook-progress__unit {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.workbook-progress__lesson {
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    color: var(--text);
}

.workbook-mascot-container {
    padding: var(--sp-6) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(to bottom, rgba(255,255,255,0.7) 0%, transparent 100%);
}

.workbook-mascot-circle {
    width: 120px;
    height: 120px;
    background: var(--surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--surface);
    position: relative;
    transition: transform 0.3s var(--ease-spring);
}
.workbook-mascot-circle:hover { transform: scale(1.05) rotate(2deg); }

.workbook-mascot-circle__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.workbook-feed {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    scroll-behavior: smooth;
}

.workbook-task-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    animation: slideInUp 0.5s var(--ease-out) forwards;
}

.workbook-task-card__label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-black);
    color: var(--text-tertiary);
    text-transform: uppercase;
    margin-bottom: var(--sp-2);
}

.workbook-task-card__prompt {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: var(--text);
    margin-bottom: var(--sp-4);
    line-height: 1.4;
}

.workbook-controls {
    padding: var(--sp-4) var(--sp-6);
    background: var(--surface);
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: var(--sp-3);
    padding-bottom: calc(var(--sp-4) + var(--safe-bottom));
}

.radial-progress {
    width: 44px;
    height: 44px;
    position: relative;
}

.radial-progress circle {
    fill: none;
    stroke-width: 4;
}

.radial-progress .bg { stroke: var(--border-light); }
.radial-progress .fg {
    stroke: var(--primary);
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 0.8s var(--ease-out);
    stroke-linecap: round;
}

.skip-btn {
    opacity: 0.8;
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    transition: all 0.2s;
}
.skip-btn:hover { color: var(--accent); opacity: 1; }

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ╔══════════════════════════════════════════════╗
   ║       INTERACTIVE WIDGETS SYSTEM             ║
   ╚══════════════════════════════════════════════╝ */

/* ── Base Widget ── */
.widget {
    padding: var(--sp-4);
    margin-bottom: var(--sp-4);
}

.widget__label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--sp-3);
}

.widget__prompt {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-4);
    line-height: 1.4;
}

.widget__placeholder {
    color: var(--text-tertiary);
    font-style: italic;
    font-size: var(--fs-sm);
}

.widget__check {
    margin-top: var(--sp-5);
}

/* ── Feedback ── */
.widget__feedback {
    margin-top: var(--sp-4);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-lg);
    font-weight: var(--fw-bold);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.widget__feedback--correct {
    background: var(--accent-bg);
    color: var(--accent-dark);
    border: 2px solid var(--accent);
}

.widget__feedback--wrong {
    background: var(--danger-bg);
    color: var(--danger);
    border: 2px solid var(--danger);
}

.widget__feedback-icon {
    font-size: 20px;
}

/* ── Word Shuffle ── */
.widget__answer-zone {
    min-height: 56px;
    padding: var(--sp-3);
    background: var(--bg-alt);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    align-items: center;
    margin-bottom: var(--sp-4);
    transition: border-color 0.3s;
}

.widget__word-bank {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    justify-content: center;
}

.word-chip {
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 2px solid var(--primary);
    color: var(--primary);
    font-weight: var(--fw-bold);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.word-chip:hover {
    background: var(--primary-bg);
    transform: translateY(-2px);
}

.word-chip:active {
    transform: scale(0.95);
}

.word-chip--selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ── Fill Bubble ── */
.widget__sentence {
    font-size: var(--fs-xl);
    line-height: 1.6;
    margin-bottom: var(--sp-5);
    text-align: center;
    font-weight: var(--fw-semibold);
}

.widget__blank {
    display: inline-block;
    min-width: 80px;
    padding: var(--sp-1) var(--sp-3);
    border-bottom: 3px solid var(--primary);
    color: var(--primary);
    font-weight: var(--fw-bold);
    text-align: center;
    transition: all 0.3s;
}

.widget__blank--correct {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: var(--accent-bg);
    border-radius: var(--radius-md);
}

.widget__blank--wrong {
    border-color: var(--danger);
    color: var(--danger);
    background: var(--danger-bg);
    border-radius: var(--radius-md);
}

.widget__bubbles {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    justify-content: center;
}

.bubble-btn {
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 2px solid var(--border);
    font-size: var(--fs-md);
    font-weight: var(--fw-semibold);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 100px;
    text-align: center;
}

.bubble-btn:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
    transform: translateY(-2px);
}

.bubble-btn.is-selected {
    border-color: var(--primary);
    background: var(--primary-bg);
    color: var(--primary);
}

.bubble-btn--correct {
    border-color: var(--accent) !important;
    background: var(--accent-bg) !important;
    color: var(--accent-dark) !important;
}

.bubble-btn--wrong {
    border-color: var(--danger) !important;
    background: var(--danger-bg) !important;
    color: var(--danger) !important;
    animation: shake 0.3s;
}

.bubble-btn--wide {
    width: 100%;
    text-align: left;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-lg);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ── Match Pairs ── */
.match-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}

.match-col {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.match-card {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 2px solid var(--border);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.match-card:hover:not([disabled]) {
    border-color: var(--primary);
    transform: translateY(-1px);
}

.match-card--active {
    border-color: var(--primary) !important;
    background: var(--primary-bg) !important;
    box-shadow: 0 0 0 3px rgba(124, 108, 246, 0.2);
}

.match-card--done {
    border-color: var(--accent) !important;
    background: var(--accent-bg) !important;
    color: var(--accent-dark) !important;
    cursor: default;
}

.match-card--correct {
    border-color: var(--accent) !important;
    background: var(--accent-bg) !important;
}

.match-card--wrong {
    border-color: var(--danger) !important;
    background: var(--danger-bg) !important;
    animation: shake 0.3s;
}

/* ── Listen & Type ── */
.listen-controls {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    margin-bottom: var(--sp-5);
}

.listen-btn {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--radius-full);
    background: var(--primary);
    color: white;
    border: none;
    font-weight: var(--fw-bold);
    cursor: pointer;
    transition: all 0.2s;
    font-size: var(--fs-sm);
}

.listen-btn:hover { transform: scale(1.05); }

.listen-btn--playing {
    animation: listeningPulse 1s infinite;
}

.listen-btn__icon {
    font-size: 20px;
}

.listen-speed {
    display: flex;
    gap: var(--sp-1);
}

.speed-btn {
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: var(--fs-xs);
    cursor: pointer;
    transition: all 0.2s;
}

.speed-btn.is-active {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
}

@keyframes listeningPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124, 108, 246, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(124, 108, 246, 0); }
}

/* ── Input Row (shared) ── */
.widget__input-row {
    display: flex;
    gap: var(--sp-2);
    align-items: center;
}

.widget__text-input {
    flex: 1;
    font-size: var(--fs-md) !important;
    padding: var(--sp-3) var(--sp-4) !important;
}

.widget__hint {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-3);
    background: var(--reward-gold-bg);
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: var(--sp-3);
}

/* ── Type Translation ── */
.widget__source-text {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    text-align: center;
    margin-bottom: var(--sp-2);
    line-height: 1.4;
}

.widget__lang-indicator {
    text-align: center;
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-4);
}

/* ── Speak Aloud ── */
.widget__target-phrase {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    text-align: center;
    color: var(--primary);
    margin-bottom: var(--sp-5);
    line-height: 1.4;
}

.speak-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-5);
    margin-bottom: var(--sp-4);
}

.speak-listen-btn, .speak-skip-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.speak-listen-btn:hover, .speak-skip-btn:hover {
    border-color: var(--primary);
    transform: scale(1.1);
}

.speak-record-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--danger);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    transition: all 0.3s;
}

.speak-record-btn__inner {
    font-size: 28px;
}

.speak-record-btn--active {
    animation: recordingPulse 1.5s infinite;
    transform: scale(1.1);
}

.speak-status {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

.speak-transcript {
    text-align: center;
    font-style: italic;
    color: var(--primary);
    font-weight: var(--fw-semibold);
    margin-top: var(--sp-2);
    min-height: 24px;
}

/* ── Read and Answer ── */
.widget__reading-passage {
    padding: var(--sp-4);
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin-bottom: var(--sp-4);
    max-height: 200px;
    overflow-y: auto;
}

.widget__question {
    font-size: var(--fs-md);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-4);
}

/* ── Image Choice ── */
.image-choice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
}

.image-choice-card {
    padding: var(--sp-4);
    border-radius: var(--radius-xl);
    background: var(--surface);
    border: 3px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
}

.image-choice-card:hover:not([disabled]) {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.image-choice-card__emoji {
    font-size: 48px;
}

.image-choice-card__label {
    font-weight: var(--fw-bold);
    font-size: var(--fs-sm);
}

.image-choice-card--correct {
    border-color: var(--accent) !important;
    background: var(--accent-bg) !important;
}

.image-choice-card--wrong {
    border-color: var(--danger) !important;
    background: var(--danger-bg) !important;
    animation: shake 0.3s;
}


/* ╔══════════════════════════════════════════════╗
   ║       NEW PLACEMENT TEST STYLES              ║
   ╚══════════════════════════════════════════════╝ */

.placement-intro {
    text-align: center;
    padding: var(--sp-8) var(--sp-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
    max-width: 420px;
    margin: 0 auto;
}

.placement-intro__icon {
    font-size: 64px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.placement-intro__title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
}

.placement-intro__subtitle {
    color: var(--text-secondary);
    font-size: var(--fs-md);
}

.placement-intro__info {
    width: 100%;
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-4);
    border: 1px solid var(--border);
}

.placement-intro__row {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-2) 0;
    border-bottom: 1px solid var(--border-light);
}

.placement-intro__row:last-child {
    border-bottom: none;
}

.placement-intro__emoji {
    font-size: 20px;
    width: 28px;
    text-align: center;
}

.placement-intro__row span:nth-child(2) {
    flex: 1;
    text-align: left;
    font-size: var(--fs-sm);
}

.placement-intro__note {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    line-height: 1.5;
}

.placement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-4) var(--sp-6);
    border-bottom: 1px solid var(--border);
}

.placement-header__info {
    display: flex;
    gap: var(--sp-2);
}

.placement-header__level {
    padding: var(--sp-1) var(--sp-3);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: var(--fw-black);
}

.placement-header__skill {
    padding: var(--sp-1) var(--sp-3);
    background: var(--bg-alt);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    color: var(--text-secondary);
}

.placement-header__count {
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    color: var(--text-secondary);
}

.placement-progress {
    height: 4px;
    background: var(--border);
}

.placement-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.5s ease;
    border-radius: 0 2px 2px 0;
}

.placement-widget-area {
    flex: 1;
    padding: var(--sp-6);
    overflow-y: auto;
}

.placement-analyzing {
    text-align: center;
}

.placement-results {
    padding: var(--sp-6);
    max-width: 420px;
    margin: 0 auto;
}

.placement-results__badge {
    text-align: center;
    padding: var(--sp-6);
    background: linear-gradient(135deg, var(--primary-bg), var(--accent-bg));
    border-radius: var(--radius-2xl);
    border: 2px solid var(--primary);
}

.placement-results__level {
    font-size: 64px;
    font-weight: var(--fw-black);
    color: var(--primary);
    line-height: 1;
}

.placement-results__name {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    margin-top: var(--sp-2);
}

.placement-results__score {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: var(--sp-1);
}

.skill-row {
    display: grid;
    grid-template-columns: 28px 1fr 40px;
    grid-template-rows: auto auto;
    gap: 2px var(--sp-2);
    align-items: center;
    margin-bottom: var(--sp-3);
}

.skill-row__icon { font-size: 16px; }

.skill-row__name {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

.skill-row__value {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-align: right;
}

.skill-row__bar {
    grid-column: 1 / -1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.skill-row__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    transition: width 1s ease;
}


/* ╔══════════════════════════════════════════════╗
   ║       NEW LEARNING SCREEN STYLES             ║
   ╚══════════════════════════════════════════════╝ */

.learning-screen {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--bg);
}

.learning-screen .learning-header {
    background: var(--surface);
    padding: var(--sp-3) var(--sp-5);
    border-bottom: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    flex-shrink: 0;
}

.learning-progress-ring {
    position: relative;
    margin-left: auto;
    width: 40px;
    height: 40px;
}

.learning-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 9px;
    font-weight: var(--fw-black);
    color: var(--primary);
}

.learning-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-5);
}

/* Lesson Intro */
.lesson-intro {
    text-align: center;
    padding: var(--sp-8) var(--sp-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
}

.lesson-intro__icon { font-size: 64px; }
.lesson-intro__title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
}

.lesson-intro__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    justify-content: center;
}

.lesson-intro__tag {
    padding: var(--sp-1) var(--sp-3);
    background: var(--bg-alt);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

/* Theory */
.lesson-theory {
    padding: var(--sp-4);
}

.lesson-theory__content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-5);
    border: 1px solid var(--border-light);
    line-height: 1.7;
}

.lesson-theory__content h3 {
    color: var(--primary);
    margin-bottom: var(--sp-3);
}

.theory-example {
    background: var(--primary-bg);
    border-left: 4px solid var(--primary);
    padding: var(--sp-3) var(--sp-4);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--sp-3) 0;
    font-size: var(--fs-sm);
    line-height: 1.8;
}

/* Exercise */
.lesson-exercise__counter {
    font-size: var(--fs-xs);
    font-weight: var(--fw-black);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--sp-4);
    text-align: center;
}

/* Summary */
.lesson-summary {
    text-align: center;
    padding: var(--sp-6) var(--sp-4);
}

.lesson-summary__icon {
    font-size: 64px;
    margin-bottom: var(--sp-3);
}

.lesson-summary__title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    margin-bottom: var(--sp-5);
}

.lesson-summary__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
    background: var(--surface);
    padding: var(--sp-5);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.lesson-summary__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lesson-summary__stat-value {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    color: var(--primary);
}

.lesson-summary__stat-label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

/* Homework Mode */
.lesson-homework__textarea {
    width: 100%;
    min-height: 180px;
    padding: var(--sp-4);
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 2px solid var(--border);
    font-family: inherit;
    font-size: var(--fs-md);
    line-height: 1.6;
    resize: vertical;
}

.lesson-homework__textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.lesson-homework__actions {
    margin-top: var(--sp-4);
}

/* Grade Card */
.lesson-grade {
    margin-top: var(--sp-4);
    padding: var(--sp-4);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border);
    background: var(--surface);
}

.lesson-grade__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--sp-3);
}

.lesson-grade__label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-black);
    color: var(--text-tertiary);
}

.lesson-grade__score {
    font-size: var(--fs-lg);
    font-weight: var(--fw-black);
}

.lesson-grade__feedback {
    font-size: var(--fs-sm);
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ========== ONBOARDING ========== */
.onboarding {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--sp-8) var(--sp-6);
    padding-top: var(--sp-12);
    gap: var(--sp-6);
    position: relative;
    background: linear-gradient(165deg, var(--bg) 0%, var(--primary-bg) 50%, var(--accent-bg) 100%);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.onboarding__skip {
    position: absolute;
    top: var(--sp-6);
    right: var(--sp-6);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    cursor: pointer;
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-lg);
    transition: all 0.2s;
    z-index: 10;
}
.onboarding__skip:hover { background: var(--surface); }

.onboarding__slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-4);
    max-width: 360px;
}

.onboarding__emoji {
    font-size: 80px;
    line-height: 1;
    margin-bottom: var(--sp-4);
    animation: float 3s ease-in-out infinite;
}

.onboarding__title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.onboarding__subtitle {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--text);
}

.onboarding__desc {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

.onboarding__dots {
    display: flex;
    gap: var(--sp-2);
    justify-content: center;
}

.onboarding__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s;
}

.onboarding__dot--active {
    width: 28px;
    border-radius: var(--radius-full);
    background: var(--primary);
}

.onboarding__btn {
    max-width: 360px;
    margin-top: var(--sp-4);
}

.onboarding__header {
    text-align: center;
    max-width: 360px;
    align-self: center;
}

.onboarding__step-badge {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--sp-3);
}

/* Interest Chips */
.onboarding__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
    width: 100%;
    max-width: 400px;
    align-self: center;
    padding-bottom: 120px;
}

.interest-chip {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-4);
    background: var(--surface);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.25s var(--ease-out);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.interest-chip:active {
    transform: scale(0.95);
}

.interest-chip--selected {
    border-color: var(--primary);
    background: var(--primary-bg);
    box-shadow: 0 0 0 3px rgba(124, 108, 246, 0.15);
}

.interest-chip__emoji {
    font-size: 24px;
    flex-shrink: 0;
}

.interest-chip__label {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    line-height: 1.3;
}

.onboarding__bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--sp-4) var(--sp-6);
    background: linear-gradient(to top, var(--bg) 60%, transparent);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
}

.onboarding__counter {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    font-weight: var(--fw-semibold);
}

/* Mascot cards in onboarding */
.onboarding__mascots {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    width: 100%;
    max-width: 400px;
    align-self: center;
    padding-bottom: 100px;
}

.onboarding .mascot-card {
    flex: unset;
    flex-direction: row;
    padding: var(--sp-4);
    gap: var(--sp-4);
    position: relative;
}

.onboarding .mascot-card__avatar {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: var(--radius-xl);
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.onboarding .mascot-card__info {
    flex: 1;
    text-align: left;
}

.onboarding .mascot-card__style {
    font-size: var(--fs-xs);
    color: var(--primary);
    font-weight: var(--fw-bold);
    margin-top: var(--sp-1);
}

.onboarding .mascot-card__desc {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: var(--sp-1);
}

.mascot-card__check {
    position: absolute;
    top: var(--sp-3);
    right: var(--sp-3);
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-bold);
    font-size: var(--fs-sm);
    animation: popIn 0.3s var(--ease-spring);
}

@keyframes popIn {
    0% { transform: scale(0); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}