:root {
    /* Humanistic / Creative Light Palette */
    --bg-base: #faf8f5; /* Warm off-white */
    --bg-surface: #ffffff;
    
    /* Soft, organic accents */
    --accent-primary: #e06d4f; /* Terracotta / Burnt Orange */
    --accent-secondary: #4a7c59; /* Sage Green */
    --accent-tertiary: #dfb256; /* Mustard Yellow */
    
    /* Text */
    --text-primary: #2d2a26; /* Soft black/dark brown */
    --text-secondary: #6e6b66;
    --text-muted: #a39e98;

    /* Statuses using organic shades */
    --status-success: #4a7c59;
    --status-warning: #e59f4a;
    --status-danger: #cb5a5e;

    --border-subtle: #eae3d8;
    
    /* Soft, diffused shadows */
    --shadow-soft: 0 4px 20px rgba(45, 42, 38, 0.04);
    --shadow-float: 0 12px 30px rgba(45, 42, 38, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Mixing serif and sans-serif for a more human/creative editorial feel */
    font-family: 'Inter', -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-text {
    font-family: 'Playfair Display', serif; /* Or similar elegant serif */
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: radial-gradient(var(--border-subtle) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Custom Scrollbar for elegance */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d0c9bd; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #b0a89d; }


.ambient-glow { display: none; }

.app-container {
    display: flex;
    min-height: 100vh;
    max-width: 1440px; /* Constrain width for a more focused layout */
    margin: 0 auto;
    background: transparent;
}

/* Asymmetric Sidebar */
.sidebar {
    width: 240px;
    flex-shrink: 0; /* Prevent sidebar from shrinking when window is small */
    background: transparent;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    border-right: 2px dashed var(--border-subtle);
    height: 100vh;
    position: sticky;
    top: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.logo h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin: 0px;
    line-height: 1;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    text-align: left;
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.nav-btn::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background-color: var(--accent-primary);
    transition: height 0.3s ease;
    border-radius: 4px;
}

.nav-btn .icon {
    font-size: 20px;
    opacity: 0.7;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav-btn:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-btn:hover .icon {
    transform: scale(1.1) rotate(5deg);
}

.nav-btn.active {
    color: var(--text-primary);
    font-weight: 600;
}

.nav-btn.active::before {
    height: 60%;
}

.tech-stack {
    margin-top: auto;
    padding: 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 1px; /* Sharp corners for a more brutalist/editorial feel */
    box-shadow: 4px 4px 0px var(--border-subtle); /* Hand-drawn shadow effect */
}

.tech-stack h3 {
    font-size: 11px;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

.tech-stack ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.tech-stack li {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Inter', sans-serif;
}

/* Main Content Area */
.main-content {
    flex: 1;
    padding: 32px 48px;
    overflow-y: auto;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--border-subtle);
    padding-bottom: 16px;
}

.header-titles h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.header-titles p {
    color: var(--text-muted);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
}

.session-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    box-shadow: 2px 2px 0px var(--border-subtle);
}

.dot {
    width: 10px; height: 10px; border-radius: 50%;
    background-color: var(--border-subtle);
}

.dot.red {
    background-color: var(--status-danger);
    animation: pulse-organic 2s infinite ease-in-out;
}

@keyframes pulse-organic {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* Tactile Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    box-shadow: 3px 3px 0px rgba(224, 109, 79, 0.3);
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px rgba(224, 109, 79, 0.3);
}

.btn-primary:active {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0px rgba(224, 109, 79, 0.3);
}

.btn-danger {
    background: white;
    border-color: var(--status-danger);
    color: var(--status-danger);
    box-shadow: 3px 3px 0px rgba(203, 90, 94, 0.1);
}

.btn-danger:hover {
    background: #fffafa;
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px rgba(203, 90, 94, 0.15);
}

.hidden { display: none !important; }

/* Asymmetric Grid Layout */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Organic Panels */
.glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    box-shadow: var(--shadow-soft);
    padding: 24px;
}

/* Video Frame Setup */
.video-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3; /* Classic photography ratio */
    overflow: hidden;
    background: #efebe4;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.03);
}

#webcam, #overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%; object-fit: cover;
    mix-blend-mode: multiply; /* Gives a slightly vintage/integrated feel to the video */
}
#overlay { z-index: 10; pointer-events: none; mix-blend-mode: normal; }

.video-overlay {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    font-family: 'Playfair Display', serif;
    font-style: italic;
    background: rgba(250, 247, 242, 0.7); /* Subtle backdrop to make text readable */
}

.video-overlay .icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.4;
    font-style: normal;
}

/* Alert Banner */
.alert-banner {
    background: #fdf5f5;
    border-left: 4px solid var(--status-danger);
    color: var(--status-danger);
    padding: 16px 24px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    box-shadow: var(--shadow-soft);
}

/* Metrics Section */
.metrics-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Hero Score Card */
.hero-score-card {
    text-align: center;
    padding: 32px 24px;
    background: white;
    position: relative;
}

.hero-score-card::after {
    /* Decorative element */
    content: '';
    position: absolute;
    top: 10px; right: 10px;
    width: 30px; height: 30px;
    border-top: 2px solid var(--border-subtle);
    border-right: 2px solid var(--border-subtle);
}
.hero-score-card::before {
    content: '';
    position: absolute;
    bottom: 10px; left: 10px;
    width: 30px; height: 30px;
    border-bottom: 2px solid var(--border-subtle);
    border-left: 2px solid var(--border-subtle);
}

.hero-score-card .label {
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.score-value {
    font-family: 'Playfair Display', serif;
    font-size: 72px;
    font-weight: 400; /* Lighter weight for elegance */
    line-height: 1;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.score-value.warning { color: var(--status-warning); }
.score-value.danger { color: var(--status-danger); }

/* Editorial style progress bar */
.progress-bar {
    width: 60%; /* Not full width */
    margin: 0 auto 24px auto;
    height: 4px;
    background: var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--text-primary);
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1); /* Smooth elegant slide */
}

.status-text {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--status-success);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.status-text.warning { color: var(--status-warning); }
.status-text.danger { color: var(--status-danger); }

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2x2 instead of 4x1 for better spacing */
    gap: 16px;
}

.stat-card {
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* Left aligned for editorial feel */
    background: white;
    border: 1px solid var(--border-subtle);
    box-shadow: 2px 2px 0px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.stat-card.highlight {
    border: 1px solid var(--border-subtle);
    background: linear-gradient(to bottom right, #fff, #fafafa);
}

.stat-card.highlight:hover {
    transform: translateY(-4px);
    box-shadow: 8px 8px 0px rgba(0,0,0,0.03);
    border-color: var(--accent-primary);
}

.stat-card .icon { 
    font-size: 20px; 
    margin-bottom: 16px; 
    opacity: 0.8;
}

.stat-card .value { 
    font-family: 'Playfair Display', serif;
    font-size: 32px; 
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1;
}

.stat-card .label { 
    font-family: 'Inter', sans-serif;
    font-size: 11px; 
    font-weight: 500;
    color: var(--text-secondary); 
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Deep Metrics List */
.deep-metrics { 
    padding: 24px; 
    background: var(--accent-secondary); /* Sage green block */
    color: white;
    border-radius: 2px;
}

.deep-metrics h3 { 
    font-size: 18px; 
    font-weight: 400;
    color: white;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    font-family: 'Playfair Display', serif;
    font-style: italic;
}

.metrics-list { 
    display: flex; 
    flex-direction: column;
    gap: 16px; 
}

.metric-item { 
    display: flex; 
    justify-content: space-between; 
    align-items: flex-end; /* Align to baseline */
    border-bottom: 1px dotted rgba(255,255,255,0.3);
    padding-bottom: 4px;
}

.metric-item .label { 
    color: rgba(255,255,255,0.8); 
    font-size: 13px; 
    font-family: 'Inter', sans-serif;
}

.metric-item .value { 
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: white;
}

/* Dashboard & History Views */
.welcome-box {
    padding: 48px 40px;
    text-align: center;
    max-width: 700px;
    margin: 24px auto;
    background: white;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-float);
    position: relative;
}

.welcome-box h2 {
    font-size: 36px;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.welcome-box p {
    font-family: 'Playfair Display', serif;
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

.history-container { 
    padding: 0; 
    max-width: 800px;
    margin: 0 auto;
    background: transparent;
    border: none;
    box-shadow: none;
}

.history-container h2 {
    font-size: 32px;
    margin-bottom: 40px;
    text-align: center;
    border-bottom: none;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px;
    margin-bottom: 24px;
    background: white;
    border: 1px solid var(--border-subtle);
    box-shadow: 4px 4px 0px rgba(0,0,0,0.03);
    transition: transform 0.2s ease;
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0px rgba(0,0,0,0.04);
}

.history-date { 
    font-family: 'Inter', sans-serif;
    font-size: 14px; 
    font-weight: 500; 
    color: var(--text-secondary); 
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.history-score { 
    font-family: 'Playfair Display', serif;
    font-size: 42px; 
    color: var(--accent-primary);
    line-height: 1;
}

.mt-20 { margin-top: 32px; }