/* ==========================================================================
   Health Monitor Dashboard - Biometric Ops Center Aesthetic
   ========================================================================== */

/* CSS Custom Properties */
:root {
    /* Core palette */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-elevated: #334155;
    --bg-glass: rgba(30, 41, 59, 0.7);
    --bg-glass-hover: rgba(51, 65, 85, 0.8);

    /* Health-themed accents */
    --steps-primary: #10B981;
    --steps-glow: rgba(16, 185, 129, 0.5);
    --activity-primary: #06B6D4;
    --activity-glow: rgba(6, 182, 212, 0.5);
    --heart-primary: #EF4444;
    --heart-glow: rgba(239, 68, 68, 0.5);
    --sleep-primary: #8B5CF6;
    --sleep-glow: rgba(139, 92, 246, 0.5);

    /* Status colors */
    --status-healthy: #10B981;
    --status-warning: #F59E0B;
    --status-danger: #EF4444;

    /* Text hierarchy */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --text-dim: #475569;

    /* Borders & dividers */
    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-glass: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

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

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4), 0 6px 10px rgba(0, 0, 0, 0.3);
    --shadow-glow-steps: 0 0 30px var(--steps-glow);
    --shadow-glow-activity: 0 0 30px var(--activity-glow);
    --shadow-glow-heart: 0 0 30px var(--heart-glow);
    --shadow-glow-sleep: 0 0 30px var(--sleep-glow);

    /* Parkrun Year in Pixels color levels (slower to faster) */
    --parkrun-no-run: rgba(71, 85, 105, 0.4);
    --parkrun-level-1: rgba(16, 185, 129, 0.25);
    --parkrun-level-2: rgba(16, 185, 129, 0.45);
    --parkrun-level-3: rgba(16, 185, 129, 0.65);
    --parkrun-level-4: rgba(16, 185, 129, 0.85);
    --parkrun-level-5: #10B981;
    --parkrun-pb: #F59E0B;
}

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

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

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Ambient Background */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--steps-glow) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--activity-glow) 0%, transparent 70%);
    top: 50%;
    right: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--sleep-glow) 0%, transparent 70%);
    bottom: -100px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Dashboard Container */
.dashboard-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
}

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========== Tab Navigation ========== */
.tab-navigation {
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.6s ease-out 0.1s both;
}

.tab-list {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg-secondary);
    padding: var(--space-xs);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tab-list::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-secondary);
    background: var(--bg-elevated);
}

.tab-btn.active {
    color: var(--text-primary);
    background: var(--bg-glass);
    box-shadow: var(--shadow-sm);
}

.tab-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Tab Colors - Active States */
.tab-btn[data-tab="overview"].active { color: var(--steps-primary); }
.tab-btn[data-tab="activity"].active { color: var(--steps-primary); }
.tab-btn[data-tab="heart"].active { color: var(--heart-primary); }
.tab-btn[data-tab="body"].active { color: #F59E0B; }
.tab-btn[data-tab="recovery"].active { color: var(--sleep-primary); }
.tab-btn[data-tab="workouts"].active { color: var(--activity-primary); }
.tab-btn[data-tab="parkrun"].active { color: var(--steps-primary); }

/* ========== Date Controls ========== */
.date-controls {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    animation: fadeIn 0.6s ease-out 0.15s both;
}

.control-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.control-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.control-separator {
    width: 1px;
    height: 24px;
    background: var(--border-glass);
    margin: 0 var(--space-sm);
}

.daily-picker {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.date-nav-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.date-nav-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.date-nav-btn svg {
    width: 16px;
    height: 16px;
}

.date-input {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.date-input:hover,
.date-input:focus {
    border-color: var(--activity-primary);
    outline: none;
}

.date-input::-webkit-calendar-picker-indicator {
    filter: invert(0.7);
    cursor: pointer;
}

.today-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--activity-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.today-btn:hover {
    background: var(--activity-glow);
}

.trend-presets {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg-secondary);
    padding: var(--space-xs);
    border-radius: var(--radius-md);
}

.preset-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: transparent;
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover {
    color: var(--text-secondary);
    background: var(--bg-elevated);
}

.preset-btn.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.custom-range {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.range-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.apply-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--steps-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.apply-btn:hover {
    background: var(--steps-glow);
}

/* ========== Tab Content ========== */
.tab-content-wrapper {
    min-height: 600px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
    display: block;
}

/* ========== Header ========== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    width: 32px;
    height: 32px;
    animation: pulse 2s ease-in-out infinite;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.status-panel {
    display: flex;
    gap: var(--space-lg);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.status-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: relative;
}

.led::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    animation: ledPulse 2s ease-in-out infinite;
}

.led-healthy {
    background: var(--status-healthy);
    box-shadow: 0 0 10px var(--steps-glow);
}

.led-healthy::after {
    background: var(--status-healthy);
}

.led-warning {
    background: var(--status-warning);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.led-danger {
    background: var(--status-danger);
    box-shadow: 0 0 10px var(--heart-glow);
}

@keyframes ledPulse {
    0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.5); }
}

.last-sync {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.sync-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sync-time {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========== Hero Section ========== */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    animation: fadeIn 0.8s ease-out 0.2s both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Activity Ring Card */
.activity-ring-card {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: var(--space-lg);
}

.card-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.card-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--activity-primary);
    background: rgba(6, 182, 212, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.activity-ring-container {
    position: relative;
    width: 220px;
    height: 220px;
    margin: var(--space-md) 0;
}

.activity-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--bg-elevated);
    stroke-linecap: round;
}

.ring-progress {
    fill: none;
    stroke-linecap: round;
    stroke-dasharray: 534;
    stroke-dashoffset: 534;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ring-steps {
    stroke: var(--steps-primary);
    stroke-dasharray: 534;
}

.ring-active {
    stroke: var(--activity-primary);
    stroke-dasharray: 408;
    stroke-dashoffset: 408;
}

.ring-sleep {
    stroke: var(--sleep-primary);
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
}

.ring-cap {
    opacity: 0;
    transition: opacity 0.5s ease 1s;
}

.ring-cap-steps { fill: var(--steps-primary); }
.ring-cap-active { fill: var(--activity-primary); }
.ring-cap-sleep { fill: var(--sleep-primary); }

.ring-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ring-percent {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.ring-percent-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ring-legend {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

.legend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-steps { background: #10B981; box-shadow: 0 0 10px rgba(16, 185, 129, 0.5); }
.legend-move { background: #EF4444; box-shadow: 0 0 10px rgba(239, 68, 68, 0.5); }
.legend-exercise { background: #84CC16; box-shadow: 0 0 10px rgba(132, 204, 22, 0.5); }
.legend-stand { background: #06B6D4; box-shadow: 0 0 10px rgba(6, 182, 212, 0.5); }
.legend-sleep { background: #8B5CF6; box-shadow: 0 0 10px rgba(139, 92, 246, 0.5); }
.legend-active { background: var(--activity-primary); box-shadow: 0 0 10px var(--activity-glow); }

/* 5-ring legend layout */
.ring-legend-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-xs);
}

.ring-legend-5 .legend-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
}

.ring-legend-5 .legend-label {
    font-size: 0.65rem;
}

.ring-legend-5 .legend-value {
    font-size: 0.7rem;
}

.legend-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.legend-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.metric-card {
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.metric-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.metric-icon svg {
    width: 24px;
    height: 24px;
}

.metric-steps .metric-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--steps-primary);
}

.metric-active .metric-icon {
    background: rgba(6, 182, 212, 0.15);
    color: var(--activity-primary);
}

.metric-weight .metric-icon {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.metric-hr .metric-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--heart-primary);
}

.pulse-icon svg {
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.2); }
    28% { transform: scale(1); }
    42% { transform: scale(1.15); }
    70% { transform: scale(1); }
}

.metric-content {
    flex: 1;
    min-width: 0;
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.metric-value-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.metric-goal {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-dim);
}

.metric-unit {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.metric-trend {
    display: flex;
    align-items: center;
    margin-left: var(--space-sm);
}

.trend-icon {
    width: 16px;
    height: 16px;
}

.metric-trend { color: var(--status-warning); }
.metric-trend.trend-good { color: var(--status-healthy); }
.metric-trend.trend-bad { color: var(--status-danger); }

.metric-subtitle {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: var(--space-xs);
}

.metric-progress {
    margin-top: var(--space-sm);
}

.progress-bar {
    height: 4px;
    background: var(--bg-elevated);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.progress-steps {
    background: linear-gradient(90deg, var(--steps-primary), #34D399);
    box-shadow: 0 0 10px var(--steps-glow);
}

/* ========== Charts Section ========== */
.charts-section {
    margin-bottom: var(--space-2xl);
    animation: fadeIn 0.8s ease-out 0.4s both;
}

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

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Trend Controls (in section header) */
.trend-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.trend-controls .trend-presets {
    margin: 0;
}

.trend-controls .custom-range {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.range-sep {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.date-input-sm {
    width: 120px;
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
}

.period-selector {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg-secondary);
    padding: var(--space-xs);
    border-radius: var(--radius-md);
}

.period-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: transparent;
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.period-btn:hover {
    color: var(--text-secondary);
    background: var(--bg-elevated);
}

.period-btn.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.chart-card {
    padding: var(--space-lg);
}

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

.chart-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.chart-avg {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chart-legend {
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.legend-min { color: var(--activity-primary); }
.legend-avg { color: var(--heart-primary); }
.legend-max { color: #F87171; }

.chart-container {
    height: 200px;
    position: relative;
}

.chart-container-lg {
    height: 280px;
}

/* ========== Terminal Section ========== */
.terminal-section {
    margin-bottom: var(--space-2xl);
    animation: fadeIn 0.8s ease-out 0.6s both;
}

.terminal {
    font-family: var(--font-mono);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-subtle);
}

.terminal-buttons {
    display: flex;
    gap: var(--space-sm);
}

.term-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.term-close { background: #EF4444; }
.term-min { background: #F59E0B; }
.term-max { background: #10B981; }

.terminal-title {
    flex: 1;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.terminal-content {
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    font-size: 0.8rem;
    line-height: 1.8;
}

.term-line {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.term-prompt {
    color: var(--steps-primary);
    font-weight: 600;
}

.term-cmd {
    color: var(--text-primary);
}

.term-output {
    color: var(--text-secondary);
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.term-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-sm) var(--space-xl);
}

.term-stat {
    display: flex;
    gap: var(--space-sm);
}

.term-stat-label {
    color: var(--text-muted);
}

.term-stat-value {
    color: var(--activity-primary);
    font-weight: 500;
}

.term-table {
    overflow-x: auto;
}

.term-table table {
    width: 100%;
    border-collapse: collapse;
}

.term-table th,
.term-table td {
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.term-table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.term-table td {
    color: var(--text-secondary);
}

.term-table .pb-indicator {
    color: var(--steps-primary);
    font-weight: 600;
}

.term-cursor {
    display: flex;
    align-items: center;
}

.cursor {
    width: 8px;
    height: 16px;
    background: var(--steps-primary);
    animation: blink 1s step-end infinite;
}

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

/* ========== Weight Section ========== */
.weight-section {
    margin-bottom: var(--space-2xl);
    animation: fadeIn 0.8s ease-out 0.8s both;
}

.weight-card {
    padding: var(--space-xl);
}

.weight-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.weight-current {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.weight-current strong {
    color: var(--text-primary);
}

.weight-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.weight-target {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.target-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.target-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--steps-primary);
    font-weight: 600;
}

/* ========== Footer ========== */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--text-muted);
    animation: fadeIn 0.8s ease-out 1s both;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-sep {
    color: var(--text-dim);
}

.footer-version {
    font-family: var(--font-mono);
}

.footer-records {
    font-family: var(--font-mono);
    color: var(--text-dim);
}

.footer-update {
    font-family: var(--font-mono);
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .dashboard-container {
        padding: var(--space-md);
    }

    .header {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .header-left {
        align-items: center;
    }

    .header-right {
        flex-direction: column;
        gap: var(--space-md);
    }

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

    .section-header {
        flex-direction: column;
        gap: var(--space-md);
        align-items: flex-start;
    }

    .ring-legend {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .weight-header-left,
    .weight-header-right {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.25rem;
    }

    .metric-value {
        font-size: 1.5rem;
    }

    .activity-ring-container {
        width: 180px;
        height: 180px;
    }

    .chart-container {
        height: 180px;
    }

    .chart-container-lg {
        height: 220px;
    }
}

/* ========== Tab Responsive ========== */
@media (max-width: 1024px) {
    .quick-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-cards-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-cards-row.sleep-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tab-list {
        padding: var(--space-xs);
    }

    .tab-btn {
        padding: var(--space-sm);
        font-size: 0.75rem;
    }

    .tab-btn span:not(.tab-icon) {
        display: none;
    }

    .tab-icon {
        width: 20px;
        height: 20px;
    }

    .date-controls {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .control-group {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }

    .control-separator {
        display: none;
    }

    .daily-picker {
        justify-content: center;
    }

    .trend-controls {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .trend-presets {
        justify-content: center;
    }

    .custom-range {
        justify-content: center;
        flex-wrap: wrap;
    }

    .date-input-sm {
        width: 110px;
    }

    .quick-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-cards-row,
    .metric-cards-row.sleep-cards {
        grid-template-columns: 1fr;
    }

    .metric-card-lg {
        padding: var(--space-lg);
    }

    .metric-value-lg {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .quick-stats-row {
        grid-template-columns: 1fr 1fr;
    }

    .quick-stat-value {
        font-size: 1.25rem;
    }

    .workouts-table {
        font-size: 0.7rem;
    }

    .workouts-table th,
    .workouts-table td {
        padding: var(--space-sm);
    }
}

/* ========== Quick Stats Row ========== */
.quick-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.quick-stat {
    padding: var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.quick-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.quick-stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.quick-stat-unit {
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* ========== Metric Cards Large ========== */
.metric-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.metric-cards-row.sleep-cards {
    grid-template-columns: repeat(4, 1fr);
}

.metric-card-lg {
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.metric-icon-lg {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.metric-icon-lg svg {
    width: 28px;
    height: 28px;
}

/* Icon color variants */
.steps-icon { background: rgba(16, 185, 129, 0.15); color: var(--steps-primary); }
.distance-icon { background: rgba(6, 182, 212, 0.15); color: var(--activity-primary); }
.flights-icon { background: rgba(139, 92, 246, 0.15); color: var(--sleep-primary); }
.heart-icon { background: rgba(239, 68, 68, 0.15); color: var(--heart-primary); }
.hrv-icon { background: rgba(6, 182, 212, 0.15); color: var(--activity-primary); }
.vo2-icon { background: rgba(16, 185, 129, 0.15); color: var(--steps-primary); }
.weight-icon { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.bodyfat-icon { background: rgba(236, 72, 153, 0.15); color: #EC4899; }
.bmi-icon { background: rgba(99, 102, 241, 0.15); color: #6366F1; }
.sleep-icon { background: rgba(139, 92, 246, 0.15); color: var(--sleep-primary); }
.workout-icon { background: rgba(6, 182, 212, 0.15); color: var(--activity-primary); }
.time-icon { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }
.cal-icon { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.parkrun-icon { background: rgba(16, 185, 129, 0.15); color: var(--steps-primary); }
.pb-icon { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.avg-icon { background: rgba(6, 182, 212, 0.15); color: var(--activity-primary); }

.metric-info {
    flex: 1;
}

.metric-label-lg {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.metric-value-lg {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.metric-unit-lg {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-left: var(--space-xs);
}

.metric-target {
    display: block;
    font-size: 0.7rem;
    color: var(--steps-primary);
    margin-top: var(--space-sm);
}

.metric-goal-bar {
    height: 6px;
    background: var(--bg-elevated);
    border-radius: 3px;
    margin-top: var(--space-sm);
    overflow: hidden;
}

.goal-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--steps-primary), #34D399);
    border-radius: 3px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.metric-goal-text {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: var(--space-xs);
}

/* ========== Metric Cards Responsive (must come after base definitions) ========== */
@media (max-width: 1024px) {
    .metric-cards-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .metric-cards-row.sleep-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .metric-cards-row,
    .metric-cards-row.sleep-cards {
        grid-template-columns: 1fr;
    }
}

/* ========== Sleep Stage Indicators ========== */
.sleep-stage-indicator {
    width: 8px;
    height: 40px;
    border-radius: 4px;
    flex-shrink: 0;
}

.sleep-stage-indicator.deep {
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.9) 0%, rgba(139, 92, 246, 0.4) 100%);
}

.sleep-stage-indicator.rem {
    background: linear-gradient(180deg, rgba(167, 139, 250, 0.9) 0%, rgba(167, 139, 250, 0.4) 100%);
}

.sleep-stage-indicator.core {
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.6) 0%, rgba(139, 92, 246, 0.2) 100%);
}

/* ========== Sleep Cycle Style Recovery Tab ========== */
.sleep-hero {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
}

.sleep-quality-section {
    flex-shrink: 0;
}

.quality-ring-container {
    position: relative;
    width: 140px;
    height: 140px;
}

.quality-ring {
    width: 100%;
    height: 100%;
}

.quality-ring-bg {
    stroke: rgba(255, 255, 255, 0.1);
}

.quality-ring-progress {
    transition: stroke-dashoffset 1s ease-out;
}

.quality-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.quality-percent {
    display: block;
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.quality-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.sleep-times-section {
    flex: 1;
}

.sleep-time-row {
    margin-bottom: var(--space-md);
}

.sleep-time-value {
    display: block;
    font-family: var(--font-sans);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.sleep-time-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sleep-schedule {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.schedule-time {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
}

.schedule-arrow {
    color: var(--text-muted);
}

/* Sleep Stages Section */
.sleep-stages-section {
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.stages-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.stages-icon {
    width: 20px;
    height: 20px;
    color: var(--sleep-primary);
}

.stages-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Stacked Bar */
.stages-bar-container {
    margin-bottom: var(--space-xl);
}

.stages-bar {
    display: flex;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}

.stage-segment {
    height: 100%;
    transition: width 0.8s ease-out;
    min-width: 0;
}

.stage-awake {
    background: linear-gradient(180deg, rgba(156, 163, 175, 0.8) 0%, rgba(156, 163, 175, 0.4) 100%);
}

.stage-rem {
    background: linear-gradient(180deg, rgba(236, 72, 153, 0.9) 0%, rgba(168, 85, 247, 0.7) 100%);
}

.stage-light {
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.9) 0%, rgba(56, 189, 248, 0.6) 100%);
}

.stage-deep {
    background: linear-gradient(180deg, rgba(20, 184, 166, 0.9) 0%, rgba(6, 182, 212, 0.6) 100%);
}

.stages-time-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Stage Legend */
.stages-legend {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md) var(--space-xl);
}

.stage-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.stage-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.stage-dot.awake {
    background: rgba(156, 163, 175, 0.8);
}

.stage-dot.rem {
    background: linear-gradient(135deg, #EC4899 0%, #A855F7 100%);
}

.stage-dot.light {
    background: linear-gradient(135deg, #22D3EE 0%, #38BDF8 100%);
}

.stage-dot.deep {
    background: linear-gradient(135deg, #14B8A6 0%, #06B6D4 100%);
}

.stage-name {
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 50px;
}

.stage-time {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Sleep Stats Row */
.sleep-stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.sleep-stat {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
}

.sleep-stat .stat-icon {
    width: 28px;
    height: 28px;
    color: var(--sleep-primary);
    flex-shrink: 0;
}

.sleep-stat .stat-content {
    display: flex;
    flex-direction: column;
}

.sleep-stat .stat-value {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sleep-stat .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Sleep Stats Row - 3 columns */
.sleep-stats-row {
    grid-template-columns: repeat(3, 1fr);
}

/* ========== Sleep Cycle Extended Section ========== */
.sleep-extended-section {
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    border: 1px solid rgba(249, 115, 22, 0.2);
}

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

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

.extended-badge {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #F97316;
    background: rgba(249, 115, 22, 0.15);
    padding: 4px 8px;
    border-radius: 4px;
}

.extended-stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.extended-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.extended-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 4px;
}

.extended-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: #F97316;
}

.extended-unit {
    font-size: 0.65rem;
    color: var(--text-dim);
}

.extended-environment {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    margin-bottom: var(--space-md);
}

.env-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.env-icon {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.env-value {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.extended-notes {
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    border-left: 3px solid #F97316;
}

.notes-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-right: var(--space-sm);
}

.notes-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Mobile responsive */
@media (max-width: 640px) {
    .sleep-hero {
        flex-direction: column;
        text-align: center;
    }

    .sleep-schedule {
        justify-content: center;
    }

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

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

    .extended-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .extended-environment {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
}

/* ========== Workouts Table ========== */
.workouts-table-section {
    padding: var(--space-xl);
}

.table-header {
    margin-bottom: var(--space-lg);
}

.table-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.workouts-table-wrapper {
    overflow-x: auto;
}

.workouts-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.workouts-table th,
.workouts-table td {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.workouts-table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.workouts-table td {
    color: var(--text-secondary);
}

.workouts-table tbody tr:hover {
    background: var(--bg-elevated);
}

.workouts-table .workout-type {
    color: var(--activity-primary);
    font-weight: 500;
}

.loading-row {
    text-align: center;
    color: var(--text-muted);
    padding: var(--space-2xl) !important;
}

/* ========== Full Width Chart Card ========== */
.chart-card-full {
    grid-column: 1 / -1;
    padding: var(--space-xl);
}

/* ========== Parkrun Cards ========== */
.parkrun-cards {
    margin-top: var(--space-xl);
}

/* ========== Loading States ========== */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-elevated) 25%,
        var(--bg-secondary) 50%,
        var(--bg-elevated) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========== Value Update Animations ========== */
.value-flash {
    animation: flashValue 0.5s ease;
}

@keyframes flashValue {
    0% { color: var(--activity-primary); text-shadow: 0 0 10px var(--activity-glow); }
    100% { color: var(--text-primary); text-shadow: none; }
}

/* ========== Activity Rings Section ========== */
.activity-rings-section {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
}

.activity-rings-section .section-title {
    margin-bottom: var(--space-md);
}

.activity-rings-content {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    padding: var(--space-lg);
}

.activity-rings-visual {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
}

.activity-rings-svg {
    width: 100%;
    height: 100%;
}

.activity-rings-svg circle {
    transition: stroke-dashoffset 1s ease-out;
}

.activity-rings-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    flex-grow: 1;
}

.ring-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    border-left: 3px solid transparent;
}

.ring-metric:nth-child(1) { border-left-color: #10B981; }
.ring-metric:nth-child(2) { border-left-color: #EF4444; }
.ring-metric:nth-child(3) { border-left-color: #84CC16; }
.ring-metric:nth-child(4) { border-left-color: #06B6D4; }

.ring-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.ring-value {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
}

.ring-goal {
    font-size: 0.8em;
    opacity: 0.6;
}

.ring-unit {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-left: var(--space-xs);
}

/* Activity Ring Colors */
.steps-color { color: #10B981; }
.move-color { color: #EF4444; }
.exercise-color { color: #84CC16; }
.stand-color { color: #06B6D4; }

/* ========== Chart Definition Text ========== */
.chart-definition {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: var(--space-xs);
    line-height: 1.4;
}

/* ========== Responsive Activity Rings ========== */
@media (max-width: 768px) {
    .activity-rings-content {
        flex-direction: column;
        text-align: center;
    }

    .activity-rings-visual {
        width: 180px;
        height: 180px;
    }

    .activity-rings-metrics {
        width: 100%;
    }
}

/* =============================================================================
   Parkrun Year in Pixels
   ============================================================================= */

.parkrun-year-pixels {
    margin-top: var(--space-lg);
    padding: var(--space-xl);
}

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

.pixels-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.year-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.year-nav-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.year-nav-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.year-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.year-nav-btn svg {
    width: 20px;
    height: 20px;
}

.year-display {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 60px;
    text-align: center;
}

/* Legend */
.pixels-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-scale {
    display: flex;
    gap: 2px;
}

.legend-pixel {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-sep {
    color: var(--border-subtle);
    margin: 0 var(--space-xs);
}

.legend-pb {
    color: var(--parkrun-pb);
}

/* Heatmap Grid */
.pixels-container {
    overflow-x: auto;
    padding-bottom: var(--space-sm);
}

.pixels-loading {
    text-align: center;
    color: var(--text-muted);
    padding: var(--space-xl);
    font-size: 0.875rem;
}

.pixels-grid {
    display: grid;
    gap: 2px;
    width: fit-content;
    margin: 0 auto;
}

.pixels-month-label {
    font-size: 10px;
    color: var(--text-muted);
    height: 16px;
    display: flex;
    align-items: flex-end;
}

.pixels-day-label {
    font-size: 10px;
    color: var(--text-muted);
    height: 12px;
    display: flex;
    align-items: center;
}

.pixel {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background: var(--parkrun-no-run);
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
}

.pixel:hover {
    transform: scale(1.3);
    z-index: 10;
}

.pixel.today {
    box-shadow: 0 0 0 2px var(--steps-primary);
}

/* PB Star indicator */
.pixel.pb::after {
    content: '★';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8px;
    color: var(--parkrun-pb);
    text-shadow: 0 0 2px rgba(0,0,0,0.5);
}

/* Time-based intensity levels */
.pixel.level-1 { background: var(--parkrun-level-1); }
.pixel.level-2 { background: var(--parkrun-level-2); }
.pixel.level-3 { background: var(--parkrun-level-3); }
.pixel.level-4 { background: var(--parkrun-level-4); }
.pixel.level-5 { background: var(--parkrun-level-5); }

/* Tooltip */
.pixel-tooltip {
    position: fixed;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
    color: var(--text-primary);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 10000;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
}

.pixel-tooltip.visible {
    opacity: 1;
}

.pixel-tooltip .tooltip-date {
    color: var(--text-muted);
    margin-bottom: 4px;
}

.pixel-tooltip .tooltip-time {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--steps-primary);
}

.pixel-tooltip .tooltip-venue {
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.pixel-tooltip .tooltip-pb {
    color: var(--parkrun-pb);
    font-weight: 600;
}

/* Year Summary Stats */
.pixels-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.summary-stat {
    text-align: center;
}

.summary-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Responsive Year in Pixels */
@media (max-width: 768px) {
    .pixels-summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .pixels-legend {
        justify-content: center;
        flex-wrap: wrap;
    }

    .pixels-header {
        flex-direction: column;
        gap: var(--space-md);
    }
}