:root {
    --primary: #003466;
    --primary-container: #1a4b84;
    --on-primary: #ffffff;
    --surface: #f8f9ff;
    --surface-container-low: #eff4ff;
    --surface-container: #e5eeff;
    --surface-container-high: #dce9ff;
    --on-surface: #0b1c30;
    --on-surface-variant: #424750;
    --tertiary: #003c27;
    --tertiary-container: #005639;
    --on-tertiary: #ffffff;
    --error: #ba1a1a;
    --outline: #737781;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--surface);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .logo {
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 52, 102, 0.05);
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo {
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: -0.05em;
}

/* Hero Section */
.hero-bento {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin: 3rem 0;
}

.hero-card-left {
    background: #e4ecf8;
    padding: 2.5rem;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.word-chip {
    position: absolute;
    border-radius: 999px;
    border: 1.5px solid #1a2e4a;
    background: transparent;
    padding: 4px 14px;
    font-family: 'Manrope', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    color: #1a2e4a;
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    will-change: transform;
    transition: none;
}

.hero-card-right {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    padding: 2.5rem;
    border-radius: 1rem;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.stat-box {
    background: white;
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(0,0,0,0.05);
}

.stat-box span:first-child {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--on-surface-variant);
}

.stat-box span:last-child {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

/* Practice Modules */
.grid-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
}

.grid-title-row h2 {
    font-size: 1.25rem;
    color: var(--on-surface);
}

/* FOMO Banner */
.fomo-banner {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    width: 100%;
}

.fomo-pill {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(25, 102, 124, 0.05);
    border: 1px solid rgba(25, 102, 124, 0.1);
    padding: 0.85rem 2.5rem;
    border-radius: 99rem;
    box-shadow: 0 10px 30px rgba(0, 52, 102, 0.03);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.fomo-pill:hover {
    transform: translateY(-2px);
    background: rgba(25, 102, 124, 0.08);
}

.fomo-icon {
    font-size: 1.25rem;
    color: var(--primary);
    opacity: 0.9;
}

#attempt-count-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--on-surface-variant);
    letter-spacing: -0.01em;
}

#attempt-number {
    color: #19667c;
    font-size: 1.15rem;
    font-weight: 900;
    font-family: 'Manrope', sans-serif;
    margin-right: 0.25rem;
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    background: #19667c;
    border-radius: 50%;
    position: relative;
    display: inline-block;
}

.pulse-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #19667c;
    border-radius: 50%;
    animation: pulse 2s infinite ease-out;
    opacity: 0.6;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(3.5);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .fomo-pill {
        padding: 0.65rem 1.5rem;
        width: 100%;
        justify-content: center;
    }
    #attempt-count-text {
        font-size: 0.8rem;
    }
    #attempt-number {
        font-size: 1rem;
    }
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 240px;
}

.card:hover {
    border-color: rgba(0, 52, 102, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-icon {
    width: 44px;
    height: 44px;
    background: #eff4ff;
    color: var(--primary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    background: var(--surface-container);
    color: var(--on-surface-variant);
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 99rem;
    text-transform: uppercase;
}

.card h3 {
    font-size: 1.15rem;
    margin: 1rem 0 0.5rem 0;
}

.card p {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: white;
}

.btn-secondary {
    background: var(--surface-container-high);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--surface-container);
    color: var(--on-surface-variant);
}

.test-split-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.5rem;
    height: calc(100vh - 180px);
}

.content-panel {
    background: var(--surface-container-low);
    padding: 2rem;
    border-radius: 1.5rem;
    overflow-y: auto;
    position: relative;
    border: 1px solid rgba(0, 52, 102, 0.05);
}

.action-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto;
    padding-bottom: 1rem;
}

.test-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 52, 102, 0.05);
}

/* Option Cards (Pills with Badges) */
.option-card {
    width: 100%;
    text-align: left;
    padding: 1.25rem;
    border-radius: 1rem;
    border: 1px solid rgba(0, 52, 102, 0.1);
    background: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 0.75rem;
}

.option-card:hover {
    background: var(--surface-container-low);
    border-color: var(--primary);
}

.option-card.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 10px 15px -3px rgba(0, 52, 102, 0.1);
}

.option-badge {
    width: 36px;
    height: 36px;
    background: var(--surface-container);
    color: var(--primary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

.option-card.selected .option-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.option-text {
    font-weight: 500;
}

/* Circular Progress */
.progress-ring-container {
    width: 64px;
    height: 64px;
    position: relative;
}

.progress-ring-circle-bg {
    fill: transparent;
    stroke: var(--surface-container);
    stroke-width: 4;
}

.progress-ring-circle-fill {
    fill: transparent;
    stroke: var(--tertiary);
    stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.35s;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.progress-ring-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--tertiary);
}

/* Section Header */
.section-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.meta-label {
    font-size: 0.6rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--outline);
    letter-spacing: 0.1em;
}

.meta-value {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
}

/* Header Timer Enhancement */
.timer-pill {
    background: var(--surface-container-low);
    padding: 0.4rem 1rem;
    border-radius: 99rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--on-surface);
}

/* Specific to RC/Test View */
.rc-container {
    height: auto;
    border-radius: 0;
    display: block;
}

.passage-panel {
    background: transparent;
    padding: 0;
    overflow-y: visible;
}

@media (max-width: 1024px) {
    .test-split-container {
        grid-template-columns: 1fr;
        height: auto;
    }
}

.results-view {
    padding: 4rem 0;
    max-width: 1080px;
    margin: 0 auto;
}

.performance-header {
    margin-bottom: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
}

.results-bento {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: start;
}

.results-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.analysis-card {
    background: var(--surface-container-low);
    padding: 2rem;
    border-radius: 2rem;
}

.analysis-stat {
    margin-bottom: 1.5rem;
}

.analysis-stat:last-child {
    margin-bottom: 0;
}

.stat-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--on-surface-variant);
}

.stat-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(0, 52, 102, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.stat-bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 1s ease-out;
}

.cta-card {
    background: var(--primary-container);
    color: white;
    padding: 2.5rem;
    border-radius: 2rem;
    text-align: left;
}

.result-feed {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.result-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(0, 52, 102, 0.05);
    transition: var(--transition);
}

.result-card.incorrect {
    border-left: 4px solid var(--error);
}

.result-card.correct {
    border-left: 4px solid var(--tertiary);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.question-num-badge {
    width: 32px;
    height: 32px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
}

.result-card.correct .question-num-badge {
    background: rgba(0, 86, 57, 0.05);
    color: var(--tertiary);
}

.result-card.incorrect .question-num-badge {
    background: rgba(186, 26, 26, 0.05);
    color: var(--error);
}

.result-tag {
    font-size: 0.75rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.explanation-box {
    background: var(--surface-container-low);
    padding: 1.25rem;
    border-radius: 1rem;
    margin-top: 1.5rem;
}

.explanation-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.option-pill {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.option-pill.correct {
    background: var(--tertiary);
    color: white;
}

.option-pill.incorrect {
    background: var(--error);
    color: white;
}

.option-pill.neutral {
    background: var(--surface-container);
    color: var(--on-surface-variant);
}

.option-pill.correct-border {
    border: 2px solid var(--tertiary);
    color: var(--tertiary);
}

/* Premium Design Utilities from t.html */
.signature-gradient {
    background: linear-gradient(135deg, #19667c 0%, #005a6f 100%);
}

.glass-timer {
    background: rgba(251, 249, 249, 0.8);
    backdrop-filter: blur(12px);
}

.results-view {
    /* Base results container transitions */
    transition: var(--transition);
}

@media (max-width: 1024px) {
    .hero-bento {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Navbar Mobile Optimization */
    header .container {
        padding: 0 1rem !important;
        justify-content: space-between !important; /* Restore distribution for cleaner logo + auth */
    }

    .container {
        padding: 0 1rem !important; /* Reduce side padding globally on mobile */
    }

    /* Hide Word Cloud for cleaner mobile view */
    .hero-card-left {
        display: none;
    }

    /* Stack Bento and center tracker */
    .hero-bento {
        grid-template-columns: 1fr;
        margin: 1.5rem 0;
        gap: 1.25rem;
    }

    .subject-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .hero-card-right {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 1.5rem 1rem;
    }

    .grid-title-row {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    #tracker-chart {
        width: 160px !important;
        height: 160px !important;
    }

    /* Auth buttons compactness */
    #nav-auth {
        gap: 0.5rem !important;
    }
    
    #login-btn, #signup-btn {
        padding: 0.4rem 0.8rem !important;
        font-size: 0.75rem !important;
    }

    /* Test View Mobile Optimization - Premium UI */
    #test-view .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 1.25rem !important;
    }

    /* Floating Glass Timer */
    .test-header {
        position: sticky !important;
        top: 1rem !important;
        z-index: 100 !important;
        background: transparent !important;
        border: none !important;
        justify-content: center !important;
        padding: 0 !important;
        margin-bottom: 1.5rem !important;
    }

    .test-header .section-meta, 
    .test-header .logo, 
    .test-header > div:last-child,
    .test-header > div:first-child > div:nth-child(2) {
        display: none !important;
    }

    .timer-pill {
        margin: 0 auto;
        background: rgba(255, 255, 255, 0.9) !important;
        backdrop-filter: blur(12px) !important;
        box-shadow: 0 4px 24px rgba(0, 52, 102, 0.08) !important;
        border: 1px solid rgba(0, 52, 102, 0.05) !important;
        padding: 0.5rem 1.25rem !important;
        font-size: 0.9rem !important;
        border-radius: 99rem !important;
        transform: translateY(0);
        transition: transform 0.2s ease;
    }

    /* Airy Borderless Panels */
    #test-view .content-panel {
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
        border-radius: 0 !important;
        margin-bottom: 1rem !important;
    }
    
    #test-view .action-panel .test-card {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 1rem 0 3rem 0 !important;
    }

    /* Sophisticated Typography */
    #test-view h2 {
        font-family: 'Manrope', sans-serif !important;
        font-weight: 800 !important;
        font-size: 1.35rem !important;
        line-height: 1.4 !important;
        color: var(--primary) !important;
        margin-bottom: 0.75rem !important;
        letter-spacing: -0.01em !important;
    }
    
    #test-view p {
        font-size: 0.95rem !important;
        line-height: 1.65 !important;
        color: var(--on-surface-variant) !important;
        opacity: 0.95 !important;
    }

    /* Premium Option Cards */
    .option-card {
        padding: 1rem 1.25rem !important;
        margin-bottom: 0.75rem !important;
        border-radius: 0.85rem !important;
        border: 1px solid rgba(0, 52, 102, 0.08) !important;
        box-shadow: 0 2px 8px -2px rgba(0,0,0,0.02) !important;
        background: white !important;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }

    .option-card:active {
        transform: scale(0.98);
        background: var(--surface-container-low) !important;
    }

    .option-badge {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.85rem !important;
        background: var(--surface-container-low) !important;
        color: var(--primary) !important;
        border-radius: 0.4rem !important;
    }

    .option-text {
        font-size: 0.92rem !important;
        font-family: 'Inter', sans-serif !important;
        color: var(--on-surface) !important;
        line-height: 1.4 !important;
    }
    
    /* Elegant Selected State */
    .option-card.selected {
        background: var(--primary) !important;
        border-color: var(--primary) !important;
        box-shadow: 0 8px 16px -4px rgba(0, 52, 102, 0.25) !important;
    }
    
    .option-card.selected .option-badge {
        background: rgba(255, 255, 255, 0.2) !important;
        color: white !important;
    }
    
    .option-card.selected .option-text {
        color: white !important;
        font-weight: 600 !important;
    }
}

/* Authentication UI */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 52, 102, 0.3);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.auth-modal {
    background: white;
    width: 95%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 24px 48px -12px rgba(0, 52, 102, 0.15);
    position: relative;
    transform: scale(0.95) translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .auth-modal {
    transform: scale(1) translateY(0);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.auth-header p {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-group label {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--on-surface-variant);
    letter-spacing: 0.05em;
    padding-left: 0.25rem;
}

.auth-input {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1.5px solid var(--surface-container-high);
    background: var(--surface-container-low);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.auth-input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(25, 102, 124, 0.1);
}

.auth-toggle {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--on-surface-variant);
}

.auth-toggle span {
    color: var(--primary);
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 0.8rem;
    background: var(--surface-container-low);
    border-radius: 99rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.user-profile-btn:hover {
    background: var(--surface-container);
    border-color: var(--primary);
}

.user-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 52, 102, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}