/* ============================================
   IndigitalVitalScanner - CLINICAL NOIR
   A dark, premium medical-tech interface
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Sora:wght@300;400;500;600;700&display=swap');

:root {
    /* Core Palette - Deep Space */
    --void: #06080a;
    --surface-1: #0d1117;
    --surface-2: #161b22;
    --surface-3: #21262d;
    --surface-glass: rgba(13, 17, 23, 0.85);

    /* Neon Accents */
    --neon-cyan: #00f5d4;
    --neon-cyan-dim: rgba(0, 245, 212, 0.15);
    --neon-cyan-glow: rgba(0, 245, 212, 0.4);

    --neon-magenta: #f72585;
    --neon-magenta-dim: rgba(247, 37, 133, 0.15);
    --neon-magenta-glow: rgba(247, 37, 133, 0.4);

    --neon-violet: #7b2cbf;
    --neon-amber: #ffbe0b;
    --neon-lime: #9ef01a;
    --neon-blue: #4cc9f0;

    /* Text */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --text-glow: #ffffff;

    /* Vital-specific colors */
    --vital-heart: #ff006e;
    --vital-breath: #00f5d4;
    --vital-pressure: #ffffff;
    --vital-oxygen: #4cc9f0;
    --vital-hemoglobin: #f72585;

    /* UI Chrome */
    --border: rgba(48, 54, 61, 0.8);
    --border-glow: rgba(0, 245, 212, 0.3);
    --divider: rgba(255, 255, 255, 0.06);

    /* Shadows & Glows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow-cyan: 0 0 30px var(--neon-cyan-glow), 0 0 60px rgba(0, 245, 212, 0.2);
    --shadow-glow-magenta: 0 0 30px var(--neon-magenta-glow), 0 0 60px rgba(247, 37, 133, 0.2);

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 150ms var(--ease-out-expo);
    --transition-base: 250ms var(--ease-out-expo);
    --transition-slow: 400ms var(--ease-out-expo);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--void);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Atmospheric Background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% -20%, rgba(0, 245, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 120%, rgba(247, 37, 133, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, var(--surface-1) 0%, var(--void) 100%);
    pointer-events: none;
    z-index: -2;
}

/* Noise Texture Overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: -1;
}

/* App Structure */
.app-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Header - Cinematic Title Bar
   ============================================ */

.app-header {
    padding: 32px 24px 28px;
    text-align: center;
    background: transparent;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.app-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 0 12px var(--neon-cyan-glow));
}

.logo-icon circle {
    stroke: var(--neon-cyan);
    stroke-width: 1.5;
}

.logo-icon path {
    stroke: var(--neon-magenta);
    filter: drop-shadow(0 0 8px var(--neon-magenta));
}

.logo-text {
    font-family: 'Sora', sans-serif;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.logo-indigital {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.tagline {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

/* Main Container */
.container {
    flex: 1;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 24px;
}

.section {
    animation: sectionReveal 0.6s var(--ease-out-expo) forwards;
}

@keyframes sectionReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.hidden {
    display: none !important;
}

/* ============================================
   Form Card - Glass Terminal
   ============================================ */

.form-card {
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    max-width: 440px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    opacity: 0.8;
}

.form-card::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, rgba(0, 245, 212, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

.form-header {
    text-align: center;
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
}

.form-step {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--neon-cyan-dim);
    color: var(--neon-cyan);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    border: 1px solid rgba(0, 245, 212, 0.2);
}

.form-step::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--neon-cyan);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.form-title {
    font-family: 'Sora', sans-serif;
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.form-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.input-wrapper,
.select-wrapper {
    position: relative;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: 'Sora', sans-serif;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-2);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px var(--neon-cyan-dim), inset 0 0 20px rgba(0, 245, 212, 0.03);
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

.input-suffix {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    pointer-events: none;
}

.input-wrapper input {
    padding-right: 50px;
}

.select-wrapper select {
    appearance: none;
    padding-right: 44px;
    cursor: pointer;
}

.select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.select-wrapper:hover .select-arrow {
    color: var(--neon-cyan);
}

/* ============================================
   Buttons - Neon Actions
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.9375rem;
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-magenta) 0%, #b5179e 100%);
    color: white;
    box-shadow: 0 4px 20px var(--neon-magenta-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--neon-magenta-glow), 0 0 60px rgba(247, 37, 133, 0.2);
}

.btn-primary:hover:not(:disabled)::before {
    opacity: 1;
}

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

.btn-primary:disabled {
    background: var(--surface-3);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-secondary {
    background: transparent;
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 20px var(--neon-cyan-dim);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--neon-cyan-dim);
    box-shadow: 0 0 30px var(--neon-cyan-glow);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-large svg {
    width: 22px;
    height: 22px;
}

#user-info-form .btn {
    width: 100%;
    margin-top: 12px;
}

/* ============================================
   Camera / Scan Section - Diagnostic View
   ============================================ */

.scan-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 800px) {
    .scan-container {
        grid-template-columns: 1fr;
    }
}

.camera-wrapper {
    position: relative;
}

#camera-section {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-1);
    border: 1px solid var(--border);
}

/* Scan line animation */
#camera-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--neon-cyan) 50%, transparent 100%);
    z-index: 10;
    opacity: 0;
    animation: scanLine 3s linear infinite;
    animation-play-state: paused;
}

.recording #camera-section::before {
    animation-play-state: running;
    opacity: 0.8;
}

@keyframes scanLine {
    0% { top: 0; }
    100% { top: calc(100% - 2px); }
}

/* Corner brackets */
.camera-frame {
    position: absolute;
    inset: 16px;
    pointer-events: none;
    z-index: 5;
}

.frame-corner {
    position: absolute;
    width: 32px;
    height: 32px;
}

.frame-corner::before,
.frame-corner::after {
    content: '';
    position: absolute;
    background: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan-glow);
}

.frame-corner.tl::before { top: 0; left: 0; width: 100%; height: 2px; }
.frame-corner.tl::after { top: 0; left: 0; width: 2px; height: 100%; }

.frame-corner.tr::before { top: 0; right: 0; width: 100%; height: 2px; }
.frame-corner.tr::after { top: 0; right: 0; width: 2px; height: 100%; }

.frame-corner.bl::before { bottom: 0; left: 0; width: 100%; height: 2px; }
.frame-corner.bl::after { bottom: 0; left: 0; width: 2px; height: 100%; }

.frame-corner.br::before { bottom: 0; right: 0; width: 100%; height: 2px; }
.frame-corner.br::after { bottom: 0; right: 0; width: 2px; height: 100%; }

#video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scaleX(-1);
}

#landmark-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transform: scaleX(-1);
    z-index: 2;
}

#overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 15;
}

#countdown {
    font-family: 'JetBrains Mono', monospace;
    font-size: 7rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-shadow:
        0 0 40px var(--neon-cyan-glow),
        0 0 80px var(--neon-cyan-glow),
        0 0 120px rgba(0, 245, 212, 0.3);
    animation: countdownPulse 1s ease-in-out infinite;
}

@keyframes countdownPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.camera-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 10px 20px;
    background: var(--neon-cyan-dim);
    border: 1px solid rgba(0, 245, 212, 0.2);
    border-radius: var(--radius-full);
}

.camera-label svg {
    width: 14px;
    height: 14px;
}

.scan-controls {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

#status {
    text-align: center;
}

#status-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--surface-3);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 4px,
        rgba(255,255,255,0.03) 4px,
        rgba(255,255,255,0.03) 8px
    );
}

#progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    box-shadow: 0 0 20px var(--neon-cyan-glow);
    position: relative;
}

#progress-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-cyan);
}

#controls {
    display: flex;
    justify-content: center;
}

.instructions {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
}

.instructions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.instructions h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.instructions h3 svg {
    width: 16px;
    height: 16px;
    color: var(--neon-amber);
}

.instructions ul {
    list-style: none;
}

.instructions li {
    position: relative;
    padding-left: 24px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.instructions li:last-child {
    margin-bottom: 0;
}

.instructions li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border: 1px solid var(--neon-cyan);
    border-radius: 2px;
    background: var(--neon-cyan-dim);
}

/* ============================================
   Results Section - Vital Dashboard
   ============================================ */

.results-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 32px 24px;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.results-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-magenta), transparent);
}

.results-header::after {
    content: 'SCAN COMPLETE';
    position: absolute;
    top: 12px;
    right: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.625rem;
    color: var(--neon-lime);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 4px 10px;
    background: rgba(158, 240, 26, 0.1);
    border: 1px solid rgba(158, 240, 26, 0.3);
    border-radius: var(--radius-full);
}

.results-header h2 {
    font-family: 'Sora', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.03em;
}

.result-confidence {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.quality-flags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
}

.flag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 190, 11, 0.1);
    color: var(--neon-amber);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(255, 190, 11, 0.3);
}

/* Primary Results Grid - Vital Monitors */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.results-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 900px) {
    .results-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
    .results-grid-5 .result-card:nth-child(4),
    .results-grid-5 .result-card:nth-child(5) {
        grid-column: span 1;
    }
}

@media (max-width: 600px) {
    .results-grid,
    .results-grid-5 {
        grid-template-columns: 1fr 1fr;
    }
    .results-grid-5 .result-card:last-child {
        grid-column: span 2;
    }
}

@media (max-width: 400px) {
    .results-grid,
    .results-grid-5 {
        grid-template-columns: 1fr;
    }
    .results-grid-5 .result-card:last-child {
        grid-column: span 1;
    }
}

.result-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0.8;
}

.result-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 30%);
    pointer-events: none;
}

.result-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
}

.card-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
}

.card-icon svg {
    width: 22px;
    height: 22px;
}

.result-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.result-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.result-note {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
    position: relative;
    z-index: 1;
}

/* Card Themes - Neon Glow */
.hr-card {
    --card-color: var(--vital-heart);
    --card-glow: rgba(255, 0, 110, 0.3);
}

.hr-card::before { background: var(--vital-heart); box-shadow: 0 0 20px var(--card-glow); }
.hr-card .card-icon { background: rgba(255, 0, 110, 0.15); border: 1px solid rgba(255, 0, 110, 0.3); }
.hr-card .card-icon svg { color: var(--vital-heart); filter: drop-shadow(0 0 8px var(--card-glow)); }
.hr-card .result-label { color: var(--vital-heart); }
.hr-card .result-value { color: var(--vital-heart); text-shadow: 0 0 30px var(--card-glow); }
.hr-card .result-note { color: var(--text-tertiary); }
.hr-card:hover { box-shadow: 0 8px 40px var(--card-glow); }

.br-card {
    --card-color: var(--vital-breath);
    --card-glow: rgba(0, 245, 212, 0.3);
}

.br-card::before { background: var(--vital-breath); box-shadow: 0 0 20px var(--card-glow); }
.br-card .card-icon { background: rgba(0, 245, 212, 0.1); border: 1px solid rgba(0, 245, 212, 0.3); }
.br-card .card-icon svg { color: var(--vital-breath); filter: drop-shadow(0 0 8px var(--card-glow)); }
.br-card .result-label { color: var(--vital-breath); }
.br-card .result-value { color: var(--vital-breath); text-shadow: 0 0 30px var(--card-glow); }
.br-card .result-note { color: var(--text-tertiary); }
.br-card:hover { box-shadow: 0 8px 40px var(--card-glow); }

.bp-card {
    --card-color: var(--vital-pressure);
    --card-glow: rgba(255, 255, 255, 0.2);
}

.bp-card::before { background: var(--vital-pressure); box-shadow: 0 0 20px var(--card-glow); }
.bp-card .card-icon { background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.2); }
.bp-card .card-icon svg { color: var(--vital-pressure); filter: drop-shadow(0 0 8px var(--card-glow)); }
.bp-card .result-label { color: var(--vital-pressure); }
.bp-card .result-value { color: var(--vital-pressure); text-shadow: 0 0 30px var(--card-glow); }
.bp-card .result-note { color: var(--text-tertiary); }
.bp-card:hover { box-shadow: 0 8px 40px var(--card-glow); }

.spo2-card {
    --card-color: var(--vital-oxygen);
    --card-glow: rgba(76, 201, 240, 0.3);
}

.spo2-card::before { background: var(--vital-oxygen); box-shadow: 0 0 20px var(--card-glow); }
.spo2-card .card-icon { background: rgba(76, 201, 240, 0.1); border: 1px solid rgba(76, 201, 240, 0.3); }
.spo2-card .card-icon svg { color: var(--vital-oxygen); filter: drop-shadow(0 0 8px var(--card-glow)); }
.spo2-card .result-label { color: var(--vital-oxygen); }
.spo2-card .result-value { color: var(--vital-oxygen); text-shadow: 0 0 30px var(--card-glow); }
.spo2-card .result-note { color: var(--text-tertiary); }
.spo2-card:hover { box-shadow: 0 8px 40px var(--card-glow); }

.hgb-card {
    --card-color: var(--vital-hemoglobin);
    --card-glow: rgba(247, 37, 133, 0.3);
}

.hgb-card::before { background: var(--vital-hemoglobin); box-shadow: 0 0 20px var(--card-glow); }
.hgb-card .card-icon { background: rgba(247, 37, 133, 0.1); border: 1px solid rgba(247, 37, 133, 0.3); }
.hgb-card .card-icon svg { color: var(--vital-hemoglobin); filter: drop-shadow(0 0 8px var(--card-glow)); }
.hgb-card .result-label { color: var(--vital-hemoglobin); }
.hgb-card .result-value { color: var(--vital-hemoglobin); text-shadow: 0 0 30px var(--card-glow); }
.hgb-card .result-note { color: var(--text-tertiary); }
.hgb-card:hover { box-shadow: 0 8px 40px var(--card-glow); }

/* ============================================
   Detailed Report Section - Data Matrix
   ============================================ */

.report-section {
    margin-top: 8px;
}

.report-header {
    text-align: center;
    margin-bottom: 28px;
    position: relative;
}

.report-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 12px;
}

.report-divider {
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0 auto;
}

.report-grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 900px) {
    .report-grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .report-grid-container {
        grid-template-columns: 1fr;
    }
}

.report-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.report-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
}

.report-card:hover {
    border-color: var(--border-glow);
    transform: translateX(3px);
}

.report-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--divider);
}

.report-card-header svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.report-card-header h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Report Card Themes */
.bp-theme::before { background: linear-gradient(180deg, var(--vital-pressure) 0%, rgba(255,255,255,0.3) 100%); }
.bp-theme .report-card-header svg { color: var(--vital-pressure); }
.bp-theme .report-card-header h4 { color: var(--vital-pressure); }

.hr-theme::before { background: linear-gradient(180deg, var(--vital-heart) 0%, rgba(255,0,110,0.3) 100%); }
.hr-theme .report-card-header svg { color: var(--vital-heart); }
.hr-theme .report-card-header h4 { color: var(--vital-heart); }

.br-theme::before { background: linear-gradient(180deg, var(--vital-breath) 0%, rgba(0,245,212,0.3) 100%); }
.br-theme .report-card-header svg { color: var(--vital-breath); }
.br-theme .report-card-header h4 { color: var(--vital-breath); }

.fitness-theme::before { background: linear-gradient(180deg, var(--neon-violet) 0%, rgba(123,44,191,0.3) 100%); }
.fitness-theme .report-card-header svg { color: var(--neon-violet); }
.fitness-theme .report-card-header h4 { color: var(--neon-violet); }

.oxygen-theme::before { background: linear-gradient(180deg, var(--vital-oxygen) 0%, rgba(76,201,240,0.3) 100%); }
.oxygen-theme .report-card-header svg { color: var(--vital-oxygen); }
.oxygen-theme .report-card-header h4 { color: var(--vital-oxygen); }

.neutral-theme::before { background: linear-gradient(180deg, var(--text-tertiary) 0%, rgba(110,118,129,0.3) 100%); }
.neutral-theme .report-card-header svg { color: var(--text-tertiary); }
.neutral-theme .report-card-header h4 { color: var(--text-secondary); }

.report-items {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--divider);
}

.report-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.report-item .report-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.report-item .report-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   Disclaimer - Warning Panel
   ============================================ */

.disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: rgba(255, 190, 11, 0.05);
    border: 1px solid rgba(255, 190, 11, 0.2);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin: 40px 0;
}

.disclaimer svg {
    width: 20px;
    height: 20px;
    color: var(--neon-amber);
    flex-shrink: 0;
    margin-top: 1px;
}

.disclaimer p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Action Buttons
   ============================================ */

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================
   Error Section - Alert Terminal
   ============================================ */

.error-card {
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(247, 37, 133, 0.3);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    max-width: 420px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.error-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--neon-magenta);
    box-shadow: 0 0 20px var(--neon-magenta-glow);
}

.error-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(247, 37, 133, 0.1);
    border: 1px solid rgba(247, 37, 133, 0.3);
    border-radius: 50%;
}

.error-icon svg {
    width: 32px;
    height: 32px;
    color: var(--neon-magenta);
    filter: drop-shadow(0 0 10px var(--neon-magenta-glow));
}

.error-card h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

#error-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.6;
}

/* ============================================
   Footer - System Bar
   ============================================ */

.app-footer {
    text-align: center;
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    background: var(--surface-1);
}

.app-footer p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.app-footer strong {
    color: var(--neon-cyan);
    font-weight: 600;
}

/* ============================================
   Responsive Fine-tuning
   ============================================ */

@media (max-width: 480px) {
    .form-card {
        padding: 32px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .result-value {
        font-size: 1.75rem;
    }

    .report-card {
        padding: 16px;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-buttons .btn {
        width: 100%;
    }

    .results-header h2 {
        font-size: 1.75rem;
    }

    .results-header::after {
        position: static;
        display: block;
        margin-top: 12px;
    }
}

/* ============================================
   Special Effects & States
   ============================================ */

/* Recording state for camera section */
.scan-section.recording .camera-frame .frame-corner::before,
.scan-section.recording .camera-frame .frame-corner::after {
    background: var(--neon-magenta);
    box-shadow: 0 0 10px var(--neon-magenta-glow);
    animation: cornerPulse 1.5s ease-in-out infinite;
}

@keyframes cornerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-1);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Focus visible states */
:focus-visible {
    outline: 2px solid var(--neon-cyan);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--neon-cyan-dim);
    color: var(--text-primary);
}