:root {
    /* Colors */
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;

    /* Background Colors */
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --surface-hover: #f1f5f9;

    /* Text Colors */
    --text-color: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    /* Border & Shadow */
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: 'Cairo', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Header sizing (can be overridden in media queries) */
    --header-logo-size: var(--font-size-2xl);
    --header-icon-size: 40px;
    --header-icon-font-size: var(--font-size-sm);
    
    /* DISC Colors */
    --disc-d-color: #ef4444;
    --disc-i-color: #f59e0b;
    --disc-s-color: #10b981;
    --disc-c-color: #2563eb;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --border-color: #334155;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing);
    background: var(--surface-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.btn:hover {
    background: var(--surface-hover);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

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

.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

.btn-success {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-success:hover {
    background: #059669;
    border-color: #059669;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-info {
    background: var(--info-color);
    color: white;
    border-color: var(--info-color);
}

.btn-info:hover {
    background: #0891b2;
    border-color: #0891b2;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background: #475569;
    border-color: #475569;
}

.btn-large {
    padding: var(--spacing) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Header */
.header {
    background: var(--surface-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing) 0;
}


.logo {
    display: flex;
    align-items: center;
    font-size: var(--header-logo-size);
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
    user-select: none;
}

.logo:hover {
    color: #1d4ed8;
    transform: scale(1.05);
}


.logo i {
    font-size: var(--font-size-2xl);
}

/* Navigation Icons */
.nav {
    display: flex;
    gap: var(--spacing);
    align-items: center;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--header-icon-size);
    height: var(--header-icon-size);
    background: var(--surface-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-size: var(--header-icon-font-size);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.icon-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.icon-btn:active {
    transform: translateY(0);
}


/* .nav-btn {
    padding: var(--spacing-sm) var(--spacing);
    font-size: var(--font-size-sm);
}

.nav-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
} */

/* History Modal Styles */
.large-modal {
    max-width: 900px;
    width: 95%;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: var(--success-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    color: var(--text-muted);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* History Items in Modal */
.history-modal-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing);
    transition: var(--transition);
}

.history-modal-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
}

.history-personality {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--success-color);
    /* color: var(--primary-color); */
}

.history-date {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.history-scores {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing);
    direction: ltr;
}

.score-box {
    background: var(--bg-color);
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.score-box.dominant {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.score-box.d {
    border-left: 4px solid #ef4444;
}

.score-box.i {
    border-left: 4px solid #f59e0b;
}

.score-box.s {
    border-left: 4px solid #10b981;
}

.score-box.c {
    border-left: 4px solid #3b82f6;
}

.score-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2px;
}

.score-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
}

.history-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Responsive Design for Header */
@media (max-width: 768px) {
    .header-content {
        padding: var(--spacing-sm) 0;
    }

    /* use variable-based scaling for logo & icons */
    .logo {
        font-size: var(--header-logo-size);
    }

    .icon-btn {
        width: var(--header-icon-size);
        height: var(--header-icon-size);
        font-size: var(--header-icon-font-size);
    }

    .nav {
        gap: var(--spacing-sm);
    }

    .large-modal {
        width: 98%;
        margin: var(--spacing-xs);
    }

    .history-scores {
        grid-template-columns: repeat(2, 1fr);
    }

    .history-actions {
        flex-direction: column;
    }
}

/* Pages */
.page {
    display: none;
    min-height: calc(100vh - 80px);
    animation: fadeIn 0.5s ease-in-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Home Page */
.hero-section {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing);
    color: var(--primary-color);
    line-height: 1.1;
}

.hero-title i {
    display: block;
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
    /* Default: 1 column on small screens */
    grid-template-columns: repeat(1, 1fr);
}

/* Medium screens: 2 columns */
@media (min-width: 640px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screens: 4 columns */
@media (min-width: 1024px) {
    .features {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.about-section {
    background: var(--surface-color);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin: var(--spacing-2xl) 0;
    text-align: center;
}

.disc-types {
    display: grid;
    gap: var(--spacing);
    margin-top: var(--spacing-xl);
    /* Default: 1 column on small screens */
    grid-template-columns: repeat(1, 1fr);
    direction: ltr;
}

/* Medium screens: 2 columns */
@media (min-width: 640px) {
    .disc-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screens: 4 columns */
@media (min-width: 1024px) {
    .disc-types {
        grid-template-columns: repeat(4, 1fr);
    }
}

.disc-type {
    padding: var(--spacing);
    text-align: center;
}

.disc-letter {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin: 0 auto var(--spacing-sm);
}

.disc-letter.d {
    background: var(--danger-color);
}

.disc-letter.i {
    background: var(--warning-color);
}

.disc-letter.s {
    background: var(--success-color);
}

.disc-letter.c {
    background: var(--primary-color);
}

/* Test Page */
.test-container {
    max-width: 800px;
    margin: var(--spacing-xl) auto;
}

/* زر الإنهاء في الأعلى */
.test-exit-section {
    display: flex;
    justify-content: flex-start;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing);
}

.btn-exit {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-exit:hover {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-exit i {
    font-size: 1.1rem;
}

.test-header {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.progress-container {
    margin: var(--spacing-lg) 0;
}

.progress-bar {
    width: 100%;
    height: 1rem;
    background: var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    transition: width 0.5s ease;
    border-radius: var(--radius);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

.question-card {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.question-number {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.question-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    line-height: 1.6;
    color: var(--text-color);
    padding: var(--spacing) 0;
}

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

.option {
    padding: var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--surface-color);
    font-size: var(--font-size-base);
    text-align: right;
    position: relative;
    min-height: 50px;
    display: flex;
    align-items: center;
    padding-right: var(--spacing-lg);
    padding-left: calc(var(--spacing-lg) + 30px);
}

.option:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: translateX(-5px);
    box-shadow: var(--shadow);
}

.option.selected {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    font-weight: 600;
    transform: translateX(-5px);
    box-shadow: var(--shadow);
}

.option.selected::before {
    content: "✓";
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-weight: bold;
    font-size: var(--font-size-xl);
    animation: checkmark 0.3s ease;
}

@keyframes checkmark {
    0% {
        transform: translateY(-50%) scale(0);
        opacity: 0;
    }
    50% {
        transform: translateY(-50%) scale(1.2);
    }
    100% {
        transform: translateY(-50%) scale(1);
        opacity: 1;
    }
}

/* أزرار التنقل الموسعة */
.test-navigation {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.btn-nav {
    flex: 1;
    min-height: 60px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing);
    padding: var(--spacing) var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-nav::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-nav:hover:not(:disabled)::before {
    width: 300px;
    height: 300px;
}

.btn-nav i {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

.btn-nav:hover:not(:disabled) i {
    transform: scale(1.1);
}

.btn-nav:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-nav:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-prev {
    background: var(--surface-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-prev:hover:not(:disabled) {
    background: var(--surface-hover);
    border-color: var(--primary-color);
}

.btn-next {
    background: var(--primary-color);
    color: white;
}

.btn-next:hover:not(:disabled) {
    background: #1d4ed8;
}

.nav-center {
    display: flex;
    gap: var(--spacing-sm);
}

/* Results Page */
.results-container {
    max-width: 1200px;
    margin: var(--spacing-xl) auto;
    padding-bottom: var(--spacing-2xl);
}

/* Results Hero */
.results-hero {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-xl);
}

.results-hero-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing);
    animation: bounceIn 0.8s ease;
}

.results-hero-title {
    font-size: var(--font-size-4xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.results-hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
}

/* Personality Card */
.personality-card {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.personality-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        110deg,
        transparent 25%,
        rgba(255, 255, 255, 0.15) 45%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0.15) 55%,
        transparent 75%
    );
    animation: shimmer 3s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(30deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(30deg);
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.personality-card-header {
    position: relative;
    margin-bottom: var(--spacing);
}

.personality-type-badge {
    display: inline-block;
    font-size: 5rem;
    font-weight: 800;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.personality-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    opacity: 0.95;
    position: relative;
}

.personality-description {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
}

/* Scores Overview */
.scores-overview {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    color: var(--text-color);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.section-title i {
    color: var(--primary-color);
}

.scores-grid {
    direction: ltr;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

/* شاشات متوسطة: 2×2 */
@media (max-width: 900px) {
    .scores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* شاشات صغيرة: 1×4 */
@media (max-width: 500px) {
    .scores-grid {
        grid-template-columns: 1fr;
    }
}

.score-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.score-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.score-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.score-card:hover::before {
    transform: scaleX(1);
}

.score-card.dominant {
    border-color: var(--primary-color);
    border-width: 3px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(6, 182, 212, 0.05));
}

.score-card.dominant::before {
    transform: scaleX(1);
    height: 6px;
}

.score-letter {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.score-letter.d { color: var(--disc-d-color); }
.score-letter.i { color: var(--disc-i-color); }
.score-letter.s { color: var(--disc-s-color); }
.score-letter.c { color: var(--disc-c-color); }

.score-name {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.score-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.score-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--radius);
    transition: width 1s ease;
}

.score-bar-fill.d { background: linear-gradient(90deg, var(--disc-d-color), #ff6b6b); }
.score-bar-fill.i { background: linear-gradient(90deg, var(--disc-i-color), #ffd93d); }
.score-bar-fill.s { background: linear-gradient(90deg, var(--disc-s-color), #6bcf7f); }
.score-bar-fill.c { background: linear-gradient(90deg, var(--disc-c-color), #60a5fa); }

/* Chart Section */
.chart-section {
    background: var(--surface-color);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.chart-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.chart-bars-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-bar-item {
    position: relative;
}

.chart-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.chart-bar-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.chart-bar-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 800;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.chart-bar-letter.d { background: linear-gradient(135deg, var(--disc-d-color), #dc2626); }
.chart-bar-letter.i { background: linear-gradient(135deg, var(--disc-i-color), #ea580c); }
.chart-bar-letter.s { background: linear-gradient(135deg, var(--disc-s-color), #059669); }
.chart-bar-letter.c { background: linear-gradient(135deg, var(--disc-c-color), #1d4ed8); }

.chart-bar-item:hover .chart-bar-letter {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.chart-bar-name {
    color: var(--text-color);
}

.chart-bar-value {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.chart-bar-percentage {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.chart-bar-track {
    position: relative;
    width: 100%;
    height: 35px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.chart-bar-item:hover .chart-bar-track {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.chart-bar-fill-animated {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: var(--radius-lg);
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.chart-bar-fill-animated::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmerBar 2s infinite;
}

@keyframes shimmerBar {
    0% { left: -100%; }
    100% { left: 200%; }
}

.chart-bar-fill-animated.d { 
    background: linear-gradient(90deg, var(--disc-d-color), #ff6b6b, var(--disc-d-color));
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

.chart-bar-fill-animated.i { 
    background: linear-gradient(90deg, var(--disc-i-color), #ffd93d, var(--disc-i-color));
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

.chart-bar-fill-animated.s { 
    background: linear-gradient(90deg, var(--disc-s-color), #6bcf7f, var(--disc-s-color));
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

.chart-bar-fill-animated.c { 
    background: linear-gradient(90deg, var(--disc-c-color), #60a5fa, var(--disc-c-color));
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.chart-bar-inner-value {
    position: absolute;
    right: var(--spacing);
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.chart-bar-item:hover .chart-bar-inner-value {
    opacity: 1;
}

/* للأشرطة الضيقة (أقل من 10%) - إظهار القيمة خارج الشريط */
.chart-bar-item.narrow-bar .chart-bar-inner-value {
    left: auto;
    right: calc(100% + var(--spacing-sm));
    color: var(--text-color);
    text-shadow: none;
    background: var(--surface-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.chart-bar-item.narrow-bar:hover .chart-bar-inner-value {
    opacity: 1;
}

/* Chart Statistics Summary */
.chart-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.chart-stat-item {
    text-align: center;
    padding: var(--spacing);
    background: var(--bg-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.chart-stat-item:hover {
    background: var(--surface-hover);
    transform: translateY(-2px);
}

.chart-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.chart-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

/* Insights Grid */
.insights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.insight-card {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.insight-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.strengths-card {
    border-top: 4px solid var(--success-color);
}

.challenges-card {
    border-top: 4px solid var(--warning-color);
}

.insight-header {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing);
    border-bottom: 2px solid var(--border-color);
}

.insight-header i {
    font-size: var(--font-size-2xl);
}

.strengths-card .insight-header i {
    color: var(--success-color);
}

.challenges-card .insight-header i {
    color: var(--warning-color);
}

.insight-header h3 {
    font-size: var(--font-size-xl);
    color: var(--text-color);
    margin: 0;
}

.insight-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.insight-list li {
    padding: var(--spacing) 0;
    padding-right: var(--spacing-xl);
    position: relative;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.6;
    transition: all 0.2s ease;
}

.insight-list li:last-child {
    border-bottom: none;
}

.insight-list li:hover {
    padding-right: calc(var(--spacing-xl) + 5px);
    color: var(--primary-color);
}

.insight-list li::before {
    content: "✓";
    position: absolute;
    right: 0;
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.strengths-card .insight-list li::before {
    color: var(--success-color);
}

.challenges-card .insight-list li::before {
    color: var(--warning-color);
}

/* Recommendations Grid */
.recommendations-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.recommendation-card {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.recommendation-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.tips-card {
    border-top: 4px solid var(--info-color);
}

.careers-card {
    border-top: 4px solid var(--primary-color);
}

.recommendation-header {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing);
    border-bottom: 2px solid var(--border-color);
}

.recommendation-header i {
    font-size: var(--font-size-2xl);
}

.tips-card .recommendation-header i {
    color: var(--info-color);
}

.careers-card .recommendation-header i {
    color: var(--primary-color);
}

.recommendation-header h3 {
    font-size: var(--font-size-xl);
    color: var(--text-color);
    margin: 0;
}

.recommendation-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recommendation-list li {
    padding: var(--spacing) 0;
    padding-right: var(--spacing-xl);
    position: relative;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.6;
    transition: all 0.2s ease;
}

.recommendation-list li:last-child {
    border-bottom: none;
}

.recommendation-list li:hover {
    padding-right: calc(var(--spacing-xl) + 5px);
    color: var(--primary-color);
}

.recommendation-list li::before {
    content: "💡";
    position: absolute;
    right: 0;
    font-size: var(--font-size-base);
}

.careers-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.career-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.career-tag i {
    font-size: 0.9rem;
}

.results-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 2px solid var(--border-color);
}

.results-actions .btn {
    justify-content: center;
    padding: var(--spacing) var(--spacing-lg);
    font-weight: 600;
    transition: all 0.3s ease;
}

.results-actions .btn i {
    font-size: var(--font-size-lg);
}

.results-actions .btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* History Page */
.history-container {
    max-width: 800px;
    margin: var(--spacing-xl) auto;
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.page-header h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--text-muted);
    margin: 0;
}

.history-item {
    background: var(--surface-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.history-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.history-date {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    /* margin-bottom: var(--spacing); */
    opacity: 0.5;
}

.empty-state .fas.fa-clipboard-list {
    margin-bottom: var(--spacing);
}



.empty-state h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 700px;
    width: 95%;
    max-height: 90vh;
    /* Make header/footer fixed and allow only body to scroll */
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.7);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    padding: var(--spacing-lg);
    /* allow inner scrolling without moving header/footer */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    flex: 1 1 auto;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing);
    justify-content: flex-end;
    flex-direction: column;
}

/* History empty state start button improvements */
.history-empty {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}
.history-empty .start-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    font-size: var(--font-size-base);
    border-radius: calc(var(--radius) * 1.2);
}
.history-empty .start-btn i {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    font-size: 0.95rem;
}

/* History modal item actions spacing */
.history-actions { display: flex; gap: 0.6rem; justify-content: flex-end; }
.history-modal-item { margin-bottom: var(--spacing); }

/* Style delete buttons inside history modal: subtle gray outline, red on hover */
#history-modal .btn-danger {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--border-color);
    box-shadow: none;
}
#history-modal .btn-danger i {
    color: var(--text-light);
}
#history-modal .btn-danger:hover {
    background: transparent;
    border-color: var(--danger-color);
    color: var(--danger-color);
}
#history-modal .btn-danger:hover i {
    color: var(--danger-color);
}

/* Loading */
.loading-content {
    text-align: center;
    padding: var(--spacing-2xl);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing);
}

.loading-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: right;
}

.step {
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    background: var(--bg-color);
    color: var(--text-muted);
    transition: var(--transition);
}

.step.active {
    background: var(--primary-color);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Keep header on a single row: reduce sizes instead of stacking */
    .header-content {
        flex-direction: row; /* keep row layout */
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) 0;
    }

    /* Scale down header sizes using variables so they stay proportional */
    :root {
        --header-logo-size: var(--font-size-xl);
        --header-icon-size: 36px;
        --header-icon-font-size: var(--font-size-sm);
    }

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

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-title i {
        font-size: 3rem;
    }

    .features {
        grid-template-columns: 1fr;
    }

    /* Results Page Responsive - تمت إزالة التكرار */
    /* القواعد موجودة بالأعلى في قسم .scores-grid */

    .insights-grid {
        grid-template-columns: 1fr;
    }

    .recommendations-grid {
        grid-template-columns: 1fr;
    }

    .personality-type-badge {
        font-size: 4rem;
    }

    /* Chart Responsive */
    .chart-section {
        padding: var(--spacing-lg);
    }

    .chart-bar-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .chart-bar-value {
        font-size: var(--font-size-xl);
    }

    .chart-bar-letter {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }

    .chart-stats {
        grid-template-columns: 1fr;
    }

    /* للأشرطة الضيقة في الشاشات المتوسطة */
    .chart-bar-item.narrow-bar .chart-bar-inner-value {
        font-size: var(--font-size-xs);
        padding: 2px var(--spacing-xs);
    }

    .personality-title {
        font-size: var(--font-size-2xl);
    }

    .results-hero-title {
        font-size: var(--font-size-3xl);
    }

    .test-navigation {
        flex-direction: column;
        gap: var(--spacing);
    }

    /* زر التالي يظهر أولاً في الشاشات الصغيرة */
    .btn-next {
        order: -1;
    }

    .btn-nav {
        width: 100%;
        min-height: 55px;
        font-size: var(--font-size-base);
    }

    .test-exit-section {
        padding: var(--spacing-sm);
    }

    .btn-exit {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing);
    }

    /* الأزرار في صفحة النتائج - عمودي */
    .results-actions {
        grid-template-columns: 1fr;
    }

    .results-actions .btn {
        width: 100%;
    }

    .question-card {
        padding: var(--spacing-lg);
    }

    .question-text {
        font-size: var(--font-size-lg);
    }

    .option {
        padding: var(--spacing);
        font-size: var(--font-size-sm);
        min-height: 45px;
    }

    .test-container {
        margin: var(--spacing) auto;
    }

    .test-header {
        padding: var(--spacing);
    }

    .results-actions {
        flex-direction: column;
    }

    .results-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .careers-tags {
        justify-content: center;
    }

    .modal-content {
        width: 95%;
        margin: var(--spacing);
    }

    /* .modal-footer {
        flex-direction: column;
    } */

    .loading-steps {
        text-align: center;
    }
}

@media (max-width: 480px) {
    /* Extra small screens: slightly smaller header elements but keep inline layout */
    :root {
        --header-logo-size: var(--font-size-lg);
        --header-icon-size: 32px;
        --header-icon-font-size: 0.75rem;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .question-text {
        font-size: var(--font-size-lg);
    }

    .personality-type {
        font-size: 3rem;
    }

    /* Chart responsive للشاشات الصغيرة جداً */
    .chart-section {
        padding: var(--spacing);
    }

    .chart-bar-label {
        font-size: var(--font-size-base);
    }

    .chart-bar-letter {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-base);
    }

    .chart-bar-track {
        height: 25px;
    }

    .chart-stat-value {
        font-size: var(--font-size-xl);
    }

    /* للأشرطة الضيقة في الشاشات الصغيرة جداً */
    /* .chart-bar-item.narrow-bar .chart-bar-inner-value {
        position: relative;
        left: 0;
        right: 0;
        margin-top: var(--spacing-xs);
        display: block;
        text-align: center;
        transform: none;
    } */
}

/* Print Styles */
@media print {
    /* إزالة جميع الهوامش والحواشي الافتراضية */
    * {
        margin: 0;
        padding: 0;
    }

    /* إخفاء العناصر غير المطلوبة */
    .header,
    .results-actions,
    .test-navigation,
    .modal,
    .alert,
    #home-page,
    #test-page,
    #history-page {
        display: none !important;
    }

    /* إظهار صفحة النتائج فقط */
    #results-page {
        display: block !important;
    }

    /* تنسيق الصفحة - إزالة جميع الفراغات الزائدة */
    html, body {
        margin: 0 !important;
        padding: 0 !important;
        background: white !important;
        color: #000 !important;
        font-size: 11pt;
        height: auto !important;
    }

    .page {
        margin: 0 !important;
        padding: 0 !important;
        min-height: auto !important;
    }

    .results-container {
        margin: 0 !important;
        padding: 15px !important;
        max-width: 100% !important;
    }

    /* رأس الصفحة المطبوعة */
    .results-hero::before {
        content: "اختبار الشخصية DISC";
        display: block;
        text-align: center;
        font-size: 20pt;
        font-weight: bold;
        color: #2563eb;
        margin: 0 0 15px 0 !important;
        padding: 0 0 10px 0 !important;
        border-bottom: 3px solid #2563eb;
    }

    .results-hero {
        margin: 0 0 15px 0 !important;
        padding: 0 !important;
    }

    .results-hero-icon {
        display: none !important;
    }

    .results-hero h1,
    .results-hero p {
        margin: 5px 0 !important;
    }

    /* منع تقطيع العناصر بين الصفحات */
    .personality-card,
    .scores-grid,
    .chart-section,
    .insights-grid,
    .recommendations-grid,
    .insight-card,
    .recommendation-card,
    .score-card,
    .chart-bars-container {
        break-inside: avoid !important;
        page-break-inside: avoid !important;
        page-break-before: auto !important;
        page-break-after: auto !important;
        margin-bottom: 12px !important;
    }

    /* الأقسام الرئيسية - تبدأ في صفحة جديدة إذا لزم الأمر */
    .personality-card,
    .scores-grid,
    .chart-section,
    .insights-grid,
    .recommendations-grid {
        orphans: 3;
        widows: 3;
    }

    /* تحسين عرض البطاقات */
    .personality-card {
        border: 2px solid #ddd !important;
        box-shadow: none !important;
        padding: 15px !important;
        margin-bottom: 15px !important;
    }

    .personality-card::before {
        display: none !important;
    }

    /* Scores Grid */
    .scores-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        margin-bottom: 15px !important;
    }

    .score-card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        padding: 10px !important;
    }

    /* Chart Section - ضغط المسافات لتظهر في صفحة واحدة */
    .chart-section {
        margin-bottom: 10px !important;
        padding: 8px !important;
    }

    .chart-section h2 {
        margin-top: 0 !important;
        margin-bottom: 6px !important;
        font-size: 14pt !important;
    }

    .scores-overview {
        margin-bottom: 6px !important;
        padding: 6px !important;
    }

    .scores-overview h3 {
        margin-bottom: 4px !important;
        font-size: 11pt !important;
    }

    .stat-item {
        margin-bottom: 3px !important;
        padding: 4px !important;
    }

    .stat-label,
    .stat-value {
        font-size: 10pt !important;
    }

    .chart-bars-container {
        break-inside: avoid !important;
        page-break-inside: avoid !important;
        margin-top: 6px !important;
    }

    .chart-bar-item {
        margin-bottom: 4px !important;
        break-inside: avoid !important;
        page-break-inside: avoid !important;
        padding: 4px 0 !important;
    }

    .chart-bar-header {
        margin-bottom: 3px !important;
    }

    .chart-bar-label,
    .chart-bar-name {
        font-size: 10pt !important;
    }

    .chart-bar-value {
        font-size: 10pt !important;
    }

    .chart-bar-percentage {
        font-size: 9pt !important;
    }

    .chart-bar-track {
        height: 16px !important;
        margin-top: 2px !important;
    }

    .chart-bar-letter {
        width: 28px !important;
        height: 28px !important;
        font-size: 12pt !important;
    }

    .chart-bar-inner-value {
        display: none !important;
    }

    /* Insights & Recommendations */
    .insights-grid,
    .recommendations-grid {
        display: block !important;
        margin-bottom: 15px !important;
    }

    .insight-card,
    .recommendation-card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        padding: 12px !important;
        margin-bottom: 10px !important;
        break-inside: avoid !important;
        page-break-inside: avoid !important;
    }

    .insight-card h3,
    .recommendation-card h3 {
        margin-bottom: 8px !important;
    }

    .insight-card ul,
    .recommendation-card .career-tag {
        margin-top: 5px !important;
    }

    /* تحسين الألوان للطباعة */
    .chart-bar-fill-animated,
    .score-bar-fill {
        print-color-adjust: exact !important;
        -webkit-print-color-adjust: exact !important;
    }

    /* إخفاء التأثيرات المتحركة */
    .chart-bar-fill-animated::before,
    .chart-bar-fill-animated::after {
        display: none !important;
    }

    /* تحسين الألوان */
    .chart-bar-letter.d,
    .score-letter.d { 
        background: #ef4444 !important;
        color: white !important;
    }
    
    .chart-bar-letter.i,
    .score-letter.i { 
        background: #f59e0b !important;
        color: white !important;
    }
    
    .chart-bar-letter.s,
    .score-letter.s { 
        background: #10b981 !important;
        color: white !important;
    }
    
    .chart-bar-letter.c,
    .score-letter.c { 
        background: #2563eb !important;
        color: white !important;
    }

    .chart-bar-fill-animated.d,
    .score-bar-fill.d {
        background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    }

    .chart-bar-fill-animated.i,
    .score-bar-fill.i {
        background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    }

    .chart-bar-fill-animated.s,
    .score-bar-fill.s {
        background: linear-gradient(135deg, #10b981, #059669) !important;
    }

    .chart-bar-fill-animated.c,
    .score-bar-fill.c {
        background: linear-gradient(135deg, #2563eb, #1d4ed8) !important;
    }

    /* إعدادات الصفحة */
    @page {
        margin: 1.5cm !important;
        size: A4 portrait;
    }

    /* منع الصفحات الفارغة */
    @page :first {
        margin-top: 1.5cm !important;
    }

    /* تحسين النصوص */
    h1, h2, h3, h4, h5, h6 {
        color: #000 !important;
        page-break-after: avoid !important;
        break-after: avoid !important;
        margin-top: 10px !important;
        margin-bottom: 8px !important;
    }

    p, li {
        orphans: 3;
        widows: 3;
        margin-bottom: 5px !important;
    }

    ul, ol {
        margin: 5px 0 !important;
        padding-right: 20px !important;
    }

    li {
        margin-bottom: 3px !important;
    }

    /* تذييل الصفحة - فقط في نهاية المستند */
    .print-only-footer {
        display: block !important;
        break-inside: avoid !important;
        page-break-inside: avoid !important;
        margin-top: 20px !important;
        padding-top: 15px !important;
        border-top: 2px solid #2563eb !important;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow: 0 0 0 1px #000000;
    }

    .btn {
        border-width: 2px;
    }
}

/* Focus Styles */
.btn:focus,
.option:focus,
.nav-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
    text-align: center;
}

.footer-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
}

.developer-name {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.developer-name:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }

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

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }

    50% {
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

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