/* =====================================================
   ACADEMIC ARCHIVE NOIR
   Student Type Discovery System
   A Bold, Editorial Interface for Self-Knowledge
   ===================================================== */

/* === IMPORTS === */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@400;600;700;900&family=DM+Sans:wght@400;500;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* === DESIGN TOKENS === */
:root {
    /* Typography System */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Color Foundation - Dark Academic */
    --ink-black: #0d0d0d;
    --charcoal: #1a1a1a;
    --slate-dark: #252839;
    --slate-medium: #3a3f5c;
    --slate-light: #4a5073;
    
    /* Warm Accents - Editorial */
    --amber-bright: #fbbf24;
    --amber-warm: #f59e0b;
    --coral-vivid: #ff6b6b;
    --cream-soft: #fef3c7;
    --cream-warm: #fde68a;
    
    /* Student Type Signatures */
    --topper-gold: #d97706;
    --backbencher-coral: #ff6b6b;
    --crammer-amber: #f59e0b;
    --allrounder-teal: #14b8a6;
    
    /* Functional Tones */
    --text-primary: #fafafa;
    --text-secondary: #d4d4d8;
    --text-tertiary: #a1a1aa;
    --surface-raised: #1f1f23;
    --surface-overlay: rgba(255, 255, 255, 0.03);
    
    /* Effects */
    --glow-amber: 0 0 20px rgba(251, 191, 36, 0.15);
    --glow-coral: 0 0 20px rgba(255, 107, 107, 0.15);
    --shadow-deep: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-lifted: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Spacing Rhythm */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    
    /* Border System */
    --border-subtle: 1px solid rgba(255, 255, 255, 0.08);
    --border-emphasis: 2px solid rgba(255, 255, 255, 0.15);
}

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

body {
    font-family: var(--font-body);
    background: var(--ink-black);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    padding: 0;
    position: relative;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Textured Background Layer */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(251, 191, 36, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(251, 191, 36, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

/* Atmospheric Gradient Overlay */
body::after {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 20%, 
        rgba(251, 191, 36, 0.08) 0%, 
        transparent 50%
    );
    pointer-events: none;
    z-index: 0;
    animation: drift 20s ease-in-out infinite;
}

@keyframes drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10%, 10%) scale(1.1); }
}


.container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: var(--space-lg) var(--space-md);
}

/* === MONUMENTAL HEADER === */
.header {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-lg);
    position: relative;
    border-bottom: var(--border-emphasis);
}

.header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    text-transform: none;
    background: linear-gradient(135deg, var(--cream-soft) 0%, var(--amber-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeSlideUp 0.8s ease-out;
}

.subtitle {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeSlideUp 0.8s ease-out 0.2s both;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === EDITORIAL INFO BANNER === */
.info-banner {
    background: var(--surface-raised);
    border-left: 4px solid var(--amber-warm);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-lifted);
    animation: fadeSlideUp 0.8s ease-out 0.4s both;
}

.info-banner strong {
    color: var(--amber-warm);
    font-weight: 600;
}

/* === FORM CONTAINER === */
.form-container {
    background: var(--surface-raised);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: var(--border-subtle);
    box-shadow: var(--shadow-deep);
    position: relative;
    animation: fadeSlideUp 0.8s ease-out 0.6s both;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--amber-warm), var(--coral-vivid));
}

.form-container h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.form-description {
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

/* === FORM ELEMENTS === */
.form-group {
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.6s ease-out both;
}

.form-group:nth-child(1) { animation-delay: 0.7s; }
.form-group:nth-child(2) { animation-delay: 0.8s; }
.form-group:nth-child(3) { animation-delay: 0.9s; }
.form-group:nth-child(4) { animation-delay: 1.0s; }
.form-group:nth-child(5) { animation-delay: 1.1s; }
.form-group:nth-child(6) { animation-delay: 1.2s; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.form-group label {
    display: block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: var(--charcoal);
    border: var(--border-subtle);
    border-radius: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--amber-warm);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
    background: var(--ink-black);
}

.form-group input:hover,
.form-group select:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.range-label {
    display: block;
    margin-top: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* === TOOLTIP === */
.tooltip {
    position: relative;
    display: inline-block;
    margin-left: 0.5rem;
    cursor: help;
    background: var(--amber-warm);
    color: var(--ink-black);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 20px;
    transition: all 0.3s ease;
}

.tooltip:hover {
    background: var(--amber-bright);
    transform: scale(1.1);
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 220px;
    background-color: var(--slate-dark);
    color: var(--text-primary);
    text-align: left;
    border-radius: 0;
    border: var(--border-emphasis);
    padding: var(--space-sm);
    position: absolute;
    z-index: 100;
    bottom: 150%;
    left: 50%;
    margin-left: -110px;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-family: var(--font-body);
    line-height: 1.5;
    box-shadow: var(--shadow-lifted);
}

.tooltip .tooltiptext::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -6px;
    border-width: 6px;
    border-style: solid;
    border-color: var(--slate-dark) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* === SUBMIT BUTTON === */
.submit-btn {
    width: 100%;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--amber-warm) 0%, var(--coral-vivid) 100%);
    color: var(--ink-black);
    border: none;
    border-radius: 0;
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lifted);
    margin-top: var(--space-md);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-deep), var(--glow-amber);
}

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

/* === STUDENT TYPES SHOWCASE === */
.types-container {
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-lg);
}

.types-container h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

.type-card {
    background: var(--surface-raised);
    padding: var(--space-lg);
    border: var(--border-subtle);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.type-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-deep);
    border-color: currentColor;
}

.type-card.topper { color: var(--topper-gold); }
.type-card.backbencher { color: var(--backbencher-coral); }
.type-card.crammer { color: var(--crammer-amber); }
.type-card.all-rounder { color: var(--allrounder-teal); }

.type-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-sm);
    filter: grayscale(0.3);
    transition: all 0.3s ease;
}

.type-card:hover .type-icon {
    filter: grayscale(0);
    transform: scale(1.1) rotate(5deg);
}

.type-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.type-card p {
    color: var(--text-tertiary);
    font-size: 0.9375rem;
    line-height: 1.6;
}


/* === RESULT PAGE === */
.result-container {
    padding: var(--space-lg);
    animation: fadeSlideUp 0.8s ease-out 0.4s both;
}

.result-card {
    background: var(--surface-raised);
    border: var(--border-subtle);
    padding: var(--space-lg);
    box-shadow: var(--shadow-deep);
    position: relative;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--amber-warm);
}

/* Dynamic student type colors */
.result-card[data-student-type="topper"]::before,
.result-card[data-student-type="topper"] .student-type-highlight {
    color: var(--topper-gold);
}

.result-card[data-student-type="backbencher"]::before,
.result-card[data-student-type="backbencher"] .student-type-highlight {
    color: var(--backbencher-coral);
}

.result-card[data-student-type="crammer"]::before,
.result-card[data-student-type="crammer"] .student-type-highlight {
    color: var(--crammer-amber);
}

.result-card[data-student-type="all-rounder"]::before,
.result-card[data-student-type="all-rounder"] .student-type-highlight {
    color: var(--allrounder-teal);
}

.result-card[data-student-type="topper"]::before {
    background: var(--topper-gold);
}

.result-card[data-student-type="backbencher"]::before {
    background: var(--backbencher-coral);
}

.result-card[data-student-type="crammer"]::before {
    background: var(--crammer-amber);
}

.result-card[data-student-type="all-rounder"]::before {
    background: var(--allrounder-teal);
}

.result-card[data-student-type="topper"] .advice-box {
    border-left-color: var(--topper-gold);
    background: rgba(255, 215, 0, 0.08);
}

.result-card[data-student-type="backbencher"] .advice-box {
    border-left-color: var(--backbencher-coral);
    background: rgba(255, 107, 107, 0.08);
}

.result-card[data-student-type="crammer"] .advice-box {
    border-left-color: var(--crammer-amber);
    background: rgba(245, 158, 11, 0.08);
}

.result-card[data-student-type="all-rounder"] .advice-box {
    border-left-color: var(--allrounder-teal);
    background: rgba(45, 212, 191, 0.08);
}

.result-card[data-student-type="topper"] .advice-box h3 {
    color: var(--topper-gold);
}

.result-card[data-student-type="backbencher"] .advice-box h3 {
    color: var(--backbencher-coral);
}

.result-card[data-student-type="crammer"] .advice-box h3 {
    color: var(--crammer-amber);
}

.result-card[data-student-type="all-rounder"] .advice-box h3 {
    color: var(--allrounder-teal);
}

.result-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: var(--border-subtle);
    flex-wrap: wrap;
}

.result-emoji {
    font-size: 5rem;
    line-height: 1;
    animation: celebrateEntrance 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes celebrateEntrance {
    0% {
        opacity: 0;
        transform: scale(0) rotate(-180deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.result-title {
    flex: 1;
    min-width: 250px;
}

.result-title h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.result-title h2 span {
    background: linear-gradient(135deg, var(--cream-soft) 0%, currentColor 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.student-type-highlight {
    font-weight: 900;
    letter-spacing: -0.02em;
}

.confidence {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--amber-warm);
    color: var(--ink-black);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-top: var(--space-xs);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.result-description {
    margin-bottom: var(--space-lg);
}

.main-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 400;
}

/* === CHARACTERISTICS === */
.characteristics {
    margin-bottom: var(--space-lg);
}

.characteristics h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.characteristics ul {
    list-style: none;
    padding: 0;
}

.characteristics li {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: var(--charcoal);
    border-left: 3px solid currentColor;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    animation: slideInLeft 0.5s ease-out both;
}

.characteristics li:nth-child(1) { animation-delay: 0.6s; }
.characteristics li:nth-child(2) { animation-delay: 0.7s; }
.characteristics li:nth-child(3) { animation-delay: 0.8s; }
.characteristics li:nth-child(4) { animation-delay: 0.9s; }
.characteristics li:nth-child(5) { animation-delay: 1.0s; }

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.characteristics li:hover {
    background: var(--slate-dark);
    transform: translateX(8px);
}

.characteristics li::before {
    content: '→ ';
    color: currentColor;
    font-weight: bold;
    margin-right: var(--space-xs);
    font-family: var(--font-mono);
}

/* === ADVICE BOX === */
.advice-box {
    padding: var(--space-lg);
    background: var(--charcoal);
    border-left: 4px solid var(--amber-warm);
    margin-bottom: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.advice-box::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: var(--font-display);
    font-size: 8rem;
    color: currentColor;
    opacity: 0.05;
    line-height: 1;
}

.advice-box h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--amber-warm);
    margin-bottom: var(--space-sm);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.advice-box p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* === INPUT SUMMARY === */
.summary-container {
    padding: var(--space-lg);
    background: var(--charcoal);
    margin-bottom: var(--space-lg);
    border: var(--border-subtle);
}

.summary-container h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--surface-raised);
    border-left: 2px solid currentColor;
    transition: all 0.3s ease;
}

.summary-item:hover {
    background: var(--slate-dark);
    transform: translateX(4px);
}

.summary-label {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.summary-value {
    font-family: var(--font-mono);
    color: currentColor;
    font-weight: 600;
    font-size: 0.9375rem;
}

/* === ACTION BUTTONS === */
.action-buttons {
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border: var(--border-emphasis);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--amber-warm) 0%, var(--coral-vivid) 100%);
    color: var(--ink-black);
    border-color: transparent;
    box-shadow: var(--shadow-lifted);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-deep), var(--glow-amber);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--surface-raised);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

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

/* === ML INFO === */
.ml-info {
    padding: var(--space-lg);
    background: var(--surface-raised);
    border: var(--border-subtle);
    margin-bottom: var(--space-lg);
}

.ml-info h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.ml-info p {
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.algorithms-used {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.algorithm-tag {
    padding: 0.5rem 1rem;
    background: var(--charcoal);
    border: var(--border-subtle);
    color: var(--amber-warm);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    display: inline-block;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.algorithm-tag:hover {
    background: var(--slate-dark);
    border-color: var(--amber-warm);
    transform: translateY(-2px);
}

/* === ERROR PAGE === */
.error-container {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.error-icon {
    font-size: 6rem;
    margin-bottom: var(--space-md);
    animation: errorShake 0.5s ease-in-out;
    opacity: 0.7;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-15px) rotate(-5deg); }
    75% { transform: translateX(15px) rotate(5deg); }
}

.error-container h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--coral-vivid);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.error-message {
    font-family: var(--font-body);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 1.125rem;
    padding: var(--space-md);
    background: var(--surface-raised);
    border-left: 4px solid var(--coral-vivid);
    max-width: 600px;
}

.error-suggestions {
    text-align: left;
    max-width: 600px;
    margin: 0 auto var(--space-lg);
    padding: var(--space-lg);
    background: var(--surface-raised);
    border: var(--border-subtle);
}

.error-suggestions h3 {
    font-family: var(--font-body);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 700;
    font-size: 1.125rem;
}

.error-suggestions ul {
    list-style-position: inside;
    color: var(--text-secondary);
    line-height: 2;
    font-size: 0.9375rem;
}

/* === FOOTER === */
.footer {
    background: var(--ink-black);
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--space-lg);
    margin-top: var(--space-xl);
    border-top: var(--border-subtle);
}

.footer p {
    margin-bottom: var(--space-xs);
    font-size: 0.9375rem;
}

.tech-stack {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
}

.tech-stack span {
    padding: 0.25rem 0.75rem;
    background: var(--surface-raised);
    border: var(--border-subtle);
    margin: 0 0.25rem;
    display: inline-block;
    color: var(--amber-warm);
    transition: all 0.3s ease;
}

.tech-stack span:hover {
    background: var(--slate-dark);
    border-color: var(--amber-warm);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .container {
        padding: var(--space-md) var(--space-sm);
    }
    
    .header {
        padding: var(--space-lg) var(--space-md);
    }
    
    .header h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .form-container,
    .types-container,
    .result-container,
    .summary-container,
    .ml-info {
        padding: var(--space-md);
    }
    
    .types-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .result-header {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .result-emoji {
        font-size: 4rem;
    }
    
    .result-title h2 {
        font-size: 2rem;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* === PRINT STYLES === */
@media print {
    body {
        background: white;
        color: black;
    }
    
    body::before,
    body::after {
        display: none;
    }
    
    .container {
        box-shadow: none;
    }
    
    .action-buttons,
    .footer,
    .btn {
        display: none;
    }
    
    .result-container {
        page-break-inside: avoid;
    }
}

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

*:focus-visible {
    outline: 3px solid var(--amber-warm);
    outline-offset: 3px;
}

/* === SELECTION STYLING === */
::selection {
    background: var(--amber-warm);
    color: var(--ink-black);
}

::-moz-selection {
    background: var(--amber-warm);
    color: var(--ink-black);
}

/* === SCROLLBAR STYLING === */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--charcoal);
}

::-webkit-scrollbar-thumb {
    background: var(--slate-medium);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--amber-warm);
}

/* === LOADING SPINNER === */
.spinner {
    border: 4px solid var(--surface-raised);
    border-top: 4px solid var(--amber-warm);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    margin: var(--space-lg) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}