/* ===== CSS Variables - Cute App Theme ===== */
:root {
    /* Primary Colors - Soft Blue Theme */
    --primary: #5BA4E6;
    --primary-light: #8BC4F5;
    --primary-dark: #3A8DD1;
    --primary-gradient: linear-gradient(135deg, #5BA4E6 0%, #87CEEB 100%);

    /* Secondary Colors */
    --secondary: #64D2FF;
    --accent: #FF9500;
    --accent-light: #FFB84D;

    /* Background Colors */
    --bg-main: linear-gradient(180deg, #E8F4FC 0%, #D1EAFC 50%, #B8DFFA 100%);
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-section: rgba(255, 255, 255, 0.85);
    --bg-item: #F0F8FF;
    --bg-item-alt: rgba(240, 248, 255, 0.9);

    /* Text Colors */
    --text-primary: #2C3E50;
    --text-secondary: #5A6A7D;
    --text-muted: #8E99A4;
    --text-light: #FFFFFF;

    /* Status Colors */
    --success: #4CD964;
    --success-light: rgba(76, 217, 100, 0.15);
    --warning: #FF9500;
    --error: #FF3B30;
    --info: #5AC8FA;

    /* Border & Shadow */
    --border-light: rgba(91, 164, 230, 0.25);
    --border-card: rgba(91, 164, 230, 0.15);
    --shadow-soft: 0 4px 20px rgba(91, 164, 230, 0.15);
    --shadow-card: 0 6px 25px rgba(91, 164, 230, 0.12);
    --shadow-hover: 0 8px 35px rgba(91, 164, 230, 0.2);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Mobile App Width */
    --app-max-width: 430px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Noto Sans Bengali', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-main);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===== App Container - Mobile First ===== */
.app-container {
    max-width: var(--app-max-width);
    margin: 0 auto;
    min-height: 100vh;
    min-height: 100dvh;
    position: relative;
    background: var(--bg-main);
}

.screen {
    display: none;
    min-height: 100vh;
    min-height: 100dvh;
    animation: fadeSlideIn 0.4s ease-out;
    padding-bottom: 100px;
}

.screen.active {
    display: block;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Hero Section ===== */
.hero {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    text-align: center;
    position: relative;
}

.hero-bg {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.logo-icon {
    font-size: 2.5rem;
    animation: gentleBounce 2.5s ease-in-out infinite;
}

@keyframes gentleBounce {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-5px) scale(1.05);
    }
}

.logo h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.tagline {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Countdown Timer - Cute Card Style ===== */
.countdown-container {
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin: 0 var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-card);
}

.countdown-container h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-item);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    min-width: 55px;
    border: 1px solid var(--border-light);
}

.countdown-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}

.countdown-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.countdown-separator {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.exam-date {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Results Countdown */
.results-countdown {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
}

.results-countdown p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.results-countdown span {
    font-weight: 700;
    color: var(--primary);
}

/* ===== Info Cards - Pill Style ===== */
.info-cards {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: 0 var(--spacing-sm);
}

.info-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.info-icon {
    font-size: 1.1rem;
}

.info-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== Stream Selection - Main Content Card ===== */
.stream-selection {
    padding: var(--spacing-md);
}

.stream-selection h2 {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ===== Subjects Container - Card Style ===== */
.subjects-container {
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-card);
}

.subjects-container h3 {
    text-align: left;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

/* ===== Subject Sections ===== */
.subject-section {
    margin-bottom: var(--spacing-lg);
}

.subject-section:last-child {
    margin-bottom: 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-xs);
}

.section-icon {
    font-size: 1rem;
}

/* ===== Subjects Grid - List Style ===== */
.subjects-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.subject-card {
    position: relative;
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-item);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: left;
}

.subject-card:hover {
    background: var(--bg-card);
    border-color: var(--border-light);
    transform: translateX(4px);
}

.subject-card.selected {
    background: rgba(91, 164, 230, 0.1);
    border-color: var(--primary);
}

.subject-card.selected::after {
    content: '✓';
    position: absolute;
    right: var(--spacing-md);
    width: 24px;
    height: 24px;
    background: var(--success);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    animation: checkPop 0.3s var(--transition-bounce);
}

@keyframes checkPop {
    0% {
        transform: scale(0);
    }

    70% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);
    }
}

.subject-card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.subject-card.disabled:hover {
    transform: none;
    background: var(--bg-item);
    border-color: transparent;
}

/* Hide emoji icon from subject cards */
.subject-emoji {
    display: none;
}

.subject-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* ===== Start Quiz Button ===== */
.start-quiz-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: calc(100% - var(--spacing-md) * 2);
    margin: var(--spacing-md) auto;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.start-quiz-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.5s ease;
}

.start-quiz-btn:hover:not(:disabled)::before {
    left: 100%;
}

.start-quiz-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.start-quiz-btn:active:not(:disabled) {
    transform: translateY(0);
}

.start-quiz-btn:disabled {
    background: var(--bg-item);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    border: 2px solid var(--border-light);
}

.start-quiz-btn .btn-icon {
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.start-quiz-btn:hover:not(:disabled) .btn-icon {
    transform: translateX(4px);
}

/* ===== Quiz Screen ===== */
#quiz-screen {
    padding: var(--spacing-md);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    background: var(--bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1.5px solid var(--border-card);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-item);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.back-btn:hover {
    background: var(--bg-card);
    color: var(--primary);
    border-color: var(--primary);
}

.quiz-progress-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.current-subject {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--primary);
    background: rgba(91, 164, 230, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
}

.question-counter {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
}

/* Progress Bar */
.quiz-progress-bar {
    height: 8px;
    background: var(--bg-item);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    transition: width 0.4s ease;
    width: 0%;
}

/* Quiz Content */
.quiz-content {
    margin-bottom: var(--spacing-lg);
}

.question-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--border-card);
    box-shadow: var(--shadow-card);
}

.question-number {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.question-text {
    font-size: 1rem;
    line-height: 1.7;
    font-weight: 600;
    color: var(--text-primary);
}

/* Fill in the blank label */
.fill-label {
    display: inline-block;
    background: linear-gradient(135deg, #FF9500, #FFB84D);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}

/* Options Container */
.options-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.option-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

.option-btn:hover:not(.selected):not(.correct):not(.incorrect) {
    background: var(--bg-item);
    border-color: var(--primary-light);
    transform: translateX(4px);
}

.option-btn.selected {
    border-color: var(--primary);
    background: rgba(91, 164, 230, 0.1);
}

.option-btn.correct {
    border-color: var(--success);
    background: var(--success-light);
}

.option-btn.incorrect {
    border-color: var(--error);
    background: rgba(255, 59, 48, 0.1);
}

.option-letter {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-item);
    border-radius: var(--radius-sm);
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    font-size: 0.9rem;
    border: 1.5px solid var(--border-light);
}

.option-btn.selected .option-letter {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.option-text {
    flex: 1;
    font-weight: 500;
}

/* Quiz Navigation */
.quiz-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    flex: 1;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-normal);
}

.prev-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    color: var(--text-secondary);
    box-shadow: var(--shadow-soft);
}

.prev-btn:hover:not(:disabled) {
    background: var(--bg-item);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.next-btn {
    background: var(--primary-gradient);
    border: none;
    color: white;
    box-shadow: var(--shadow-card);
}

.next-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Subject Progress */
.subject-progress {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    border: 2px solid var(--border-card);
    box-shadow: var(--shadow-soft);
}

.subject-progress-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-item);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    border: 1.5px solid var(--border-light);
}

.subject-progress-item.current {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.subject-progress-item.completed {
    background: var(--success-light);
    color: var(--success);
    border-color: var(--success);
}

.progress-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: currentColor;
}

/* ===== Results Screen ===== */
#results-screen {
    padding: var(--spacing-md);
}

.results-container {
    max-width: 100%;
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-card);
    box-shadow: var(--shadow-card);
}

.celebration-icon {
    font-size: 3rem;
    animation: celebrateBounce 1s ease infinite;
}

@keyframes celebrateBounce {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    25% {
        transform: scale(1.1) rotate(-5deg);
    }

    75% {
        transform: scale(1.1) rotate(5deg);
    }
}

.results-header h1 {
    font-size: 1.6rem;
    margin: var(--spacing-sm) 0;
    color: var(--primary);
}

.results-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Score Card */
.score-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--border-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-card);
}

.predicted-score {
    text-align: center;
}

.score-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.score-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.score-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
}

.score-total {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.percentage-display {
    display: flex;
    justify-content: center;
}

.percentage-circle {
    position: relative;
    width: 100px;
    height: 100px;
}

.percentage-circle svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.bg-circle {
    fill: none;
    stroke: var(--bg-item);
    stroke-width: 8;
}

.progress-circle {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1.5s ease;
}

.percentage-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}

.division-badge {
    text-align: center;
    width: 100%;
}

.division-text {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--success);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.85rem;
}

.division-badge.superstar .division-text {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #1a1a2e;
}

.division-badge.star .division-text {
    background: linear-gradient(135deg, #4CD964 0%, #30B454 100%);
}

.division-badge.high-first .division-text {
    background: var(--primary-gradient);
}

.division-badge.first .division-text {
    background: var(--info);
}

.division-badge.second .division-text {
    background: var(--warning);
    color: #1a1a2e;
}

.division-badge.third .division-text {
    background: var(--error);
}

/* Subject-wise Scores */
.subject-wise-scores {
    margin-bottom: var(--spacing-lg);
}

.subject-wise-scores h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1rem;
}

.subject-scores-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.subject-score-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 2px solid var(--border-card);
    box-shadow: var(--shadow-soft);
}

.subject-score-name {
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.subject-score-bar {
    height: 8px;
    background: var(--bg-item);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
}

.subject-score-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.subject-score-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}

.subject-score-value span {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Performance Analysis */
.performance-analysis {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--border-card);
    box-shadow: var(--shadow-card);
}

.performance-analysis h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1rem;
}

.analysis-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.analysis-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-item);
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-light);
}

.analysis-icon {
    font-size: 1.3rem;
}

.analysis-text h4 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 700;
}

.analysis-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Questions Review Section */
.questions-review {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--border-card);
    box-shadow: var(--shadow-card);
}

.questions-review h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1rem;
    text-align: center;
}

.questions-review-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review-subject-section {
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.review-subject-header {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-md);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.review-subject-header .subject-score-badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.25);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

.review-questions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-item-alt);
}

.review-question-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    transition: var(--transition-normal);
}

.review-question-item.correct {
    border-color: var(--success);
    background: rgba(76, 217, 100, 0.05);
}

.review-question-item.incorrect {
    border-color: var(--error);
    background: rgba(255, 59, 48, 0.05);
}

.review-question-item.unanswered {
    border-color: var(--warning);
    background: rgba(255, 149, 0, 0.05);
}

.review-question-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.review-question-number {
    font-size: 0.75rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    background: var(--bg-item);
    color: var(--text-secondary);
}

.review-question-status {
    margin-left: auto;
    font-size: 0.75rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
}

.review-question-status.correct-status {
    background: var(--success-light);
    color: var(--success);
}

.review-question-status.incorrect-status {
    background: rgba(255, 59, 48, 0.15);
    color: var(--error);
}

.review-question-status.unanswered-status {
    background: rgba(255, 149, 0, 0.15);
    color: var(--warning);
}

.review-question-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.review-options-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.review-option {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-item);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1.5px solid transparent;
}

.review-option.correct-option {
    background: var(--success-light);
    border-color: var(--success);
    color: #1a7431;
    font-weight: 600;
}

.review-option.user-selected {
    border-color: var(--primary);
    background: rgba(91, 164, 230, 0.1);
}

.review-option.user-selected.incorrect-option {
    background: rgba(255, 59, 48, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.review-option-letter {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
}

.review-option.correct-option .review-option-letter {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.review-option.user-selected.incorrect-option .review-option-letter {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.review-option-text {
    flex: 1;
    line-height: 1.5;
}

.review-option-indicator {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: auto;
    flex-shrink: 0;
}

.review-option-indicator.correct-indicator {
    background: var(--success);
    color: white;
}

.review-option-indicator.your-answer {
    background: var(--primary);
    color: white;
}

.review-option-indicator.wrong-indicator {
    background: var(--error);
    color: white;
}

/* Results Actions */
.results-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-normal);
}

.action-btn.primary {
    background: var(--primary-gradient);
    border: none;
    color: white;
    box-shadow: var(--shadow-card);
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.action-btn.secondary {
    background: var(--bg-card);
    border: 2px solid var(--border-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-soft);
}

.action-btn.secondary:hover {
    background: var(--bg-item);
    border-color: var(--primary);
}

/* ===== Animations ===== */
.shake {
    animation: shake 0.5s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: var(--radius-full);
}

/* ===== Safe Area Padding for Mobile ===== */
@supports (padding: max(0px)) {
    .screen {
        padding-bottom: max(100px, env(safe-area-inset-bottom));
    }
}

/* ===== Desktop Centering ===== */
@media (min-width: 431px) {
    body {
        background: linear-gradient(135deg, #E8F4FC 0%, #C5E4F9 100%);
    }

    .app-container {
        box-shadow: 0 0 60px rgba(91, 164, 230, 0.2);
        border-radius: var(--radius-xl);
        margin: 20px auto;
        min-height: calc(100vh - 40px);
        overflow: hidden;
    }
}