/* ═══════════════════════════════════════════════════════════════════════
   TrainingCamp – Sportliches Dark-Mode Design
   ═══════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ─── CSS Variables / Design Tokens ──────────────────────────────────── */
:root,
[data-theme="dark"] {
    /* Background */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1629;
    --bg-card: rgba(15, 22, 41, 0.75);
    --bg-card-hover: rgba(20, 30, 55, 0.9);
    --bg-input: rgba(15, 22, 41, 0.95);
    --bg-modal: rgba(10, 14, 26, 0.95);
    --nav-bg: rgba(10, 14, 26, 0.85);
    --nav-mobile-bg: rgba(10, 14, 26, 0.98);

    /* Background Gradients */
    --bg-gradient-1: rgba(0, 255, 135, 0.05);
    --bg-gradient-2: rgba(0, 212, 255, 0.04);
    --bg-gradient-3: rgba(167, 139, 250, 0.02);

    /* Primary Colors */
    --color-primary: #00ff87;
    --color-primary-dim: rgba(0, 255, 135, 0.15);
    --color-primary-glow: rgba(0, 255, 135, 0.3);

    /* Secondary */
    --color-secondary: #00d4ff;
    --color-secondary-dim: rgba(0, 212, 255, 0.15);

    /* Accent */
    --color-accent: #ff6b35;
    --color-accent-dim: rgba(255, 107, 53, 0.15);

    /* Danger */
    --color-danger: #ff3366;
    --color-danger-dim: rgba(255, 51, 102, 0.15);

    /* Purple */
    --color-purple: #a78bfa;
    --color-purple-dim: rgba(167, 139, 250, 0.15);

    /* Yellow */
    --color-yellow: #fbbf24;
    --color-yellow-dim: rgba(251, 191, 36, 0.15);

    /* Text */
    --text-primary: #e8ecf4;
    --text-secondary: #8892a8;
    --text-muted: #5a6480;
    --text-on-primary: #0a0e1a;

    /* Borders */
    --border-color: rgba(136, 146, 168, 0.14);
    --border-glow: rgba(0, 255, 135, 0.25);

    /* Progress & UI */
    --progress-track: rgba(255, 255, 255, 0.06);

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

    /* Shadows */
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(0, 255, 135, 0.08);
    --shadow-hover: 0 8px 40px rgba(0, 255, 135, 0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Light Mode Theme ───────────────────────────────────────────────── */
[data-theme="light"] {
    /* Background */
    --bg-primary: #f3f5f9;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: #ffffff;
    --bg-input: #ffffff;
    --bg-modal: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.88);
    --nav-mobile-bg: rgba(255, 255, 255, 0.98);

    /* Background Gradients */
    --bg-gradient-1: rgba(5, 150, 105, 0.05);
    --bg-gradient-2: rgba(2, 132, 199, 0.05);
    --bg-gradient-3: rgba(124, 58, 237, 0.03);

    /* Primary Colors - High contrast athletic green */
    --color-primary: #059669;
    --color-primary-dim: rgba(5, 150, 105, 0.12);
    --color-primary-glow: rgba(5, 150, 105, 0.25);

    /* Secondary - Athletic cyan/blue */
    --color-secondary: #0284c7;
    --color-secondary-dim: rgba(2, 132, 199, 0.12);

    /* Accent - Vibrant orange */
    --color-accent: #ea580c;
    --color-accent-dim: rgba(234, 88, 12, 0.12);

    /* Danger */
    --color-danger: #e11d48;
    --color-danger-dim: rgba(225, 29, 72, 0.12);

    /* Purple */
    --color-purple: #7c3aed;
    --color-purple-dim: rgba(124, 58, 237, 0.12);

    /* Yellow */
    --color-yellow: #d97706;
    --color-yellow-dim: rgba(217, 119, 6, 0.12);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-on-primary: #ffffff;

    /* Borders */
    --border-color: rgba(15, 23, 42, 0.1);
    --border-glow: rgba(5, 150, 105, 0.35);

    /* Progress & UI */
    --progress-track: rgba(15, 23, 42, 0.08);

    /* Shadows */
    --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
    --shadow-glow: 0 0 25px rgba(5, 150, 105, 0.1);
    --shadow-hover: 0 10px 30px rgba(15, 23, 42, 0.12);
}

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

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Animated background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 0%, var(--bg-gradient-1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, var(--bg-gradient-2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, var(--bg-gradient-3) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

/* ─── Layout ─────────────────────────────────────────────────────────── */
.app-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* ─── Navigation ─────────────────────────────────────────────────────── */
.nav-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav-brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(0, 255, 135, 0.2);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Theme Toggle Button */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.15rem;
    transition: all var(--transition-fast);
    padding: 0;
}

.theme-toggle:hover {
    background: var(--color-primary-dim);
    border-color: var(--border-glow);
    transform: scale(1.05);
}

.theme-toggle-icon {
    line-height: 1;
    display: inline-block;
    transition: transform var(--transition-normal);
}

[data-theme="dark"] .theme-toggle-moon { display: none; }
[data-theme="dark"] .theme-toggle-sun { display: inline-block; }
[data-theme="light"] .theme-toggle-sun { display: none; }
[data-theme="light"] .theme-toggle-moon { display: inline-block; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: var(--color-primary-dim);
}

.nav-links a.active {
    color: var(--color-primary);
}

.nav-links a .nav-icon {
    font-size: 1.1rem;
}

/* Mobile hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    background: none;
    border: none;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ─── Cards ──────────────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.card-static {
    composes: card;
}
.card-static:hover {
    transform: none;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ─── Stats Grid ─────────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card--green::before { background: linear-gradient(90deg, var(--color-primary), #00cc6a); }
.stat-card--blue::before { background: linear-gradient(90deg, var(--color-secondary), #0099cc); }
.stat-card--orange::before { background: linear-gradient(90deg, var(--color-accent), #cc5500); }
.stat-card--purple::before { background: linear-gradient(90deg, var(--color-purple), #7c5ce0); }

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card--green .stat-value { color: var(--color-primary); }
.stat-card--blue .stat-value { color: var(--color-secondary); }
.stat-card--orange .stat-value { color: var(--color-accent); }
.stat-card--purple .stat-value { color: var(--color-purple); }

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

/* ─── Page Header ────────────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 0.25rem;
}

/* ─── Buttons ────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    color: var(--text-on-primary);
    box-shadow: 0 4px 15px rgba(0, 255, 135, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 135, 0.35);
    color: var(--text-on-primary);
}

.btn-secondary {
    background: var(--color-secondary-dim);
    color: var(--color-secondary);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.25);
    color: var(--color-secondary);
}

.btn-danger {
    background: var(--color-danger-dim);
    color: var(--color-danger);
    border: 1px solid rgba(255, 51, 102, 0.2);
}

.btn-danger:hover {
    background: rgba(255, 51, 102, 0.25);
    color: var(--color-danger);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--color-primary-dim);
    color: var(--color-primary);
    border-color: var(--border-glow);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
}

/* ─── Forms ──────────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Checkbox group */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.checkbox-item {
    position: relative;
}

.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-item label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox-item input:checked + label {
    background: var(--color-primary-dim);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.checkbox-item label:hover {
    border-color: var(--text-muted);
}

/* Form grid */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* ─── Alerts / Flash Messages ────────────────────────────────────────── */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: var(--color-primary-dim);
    border: 1px solid rgba(0, 255, 135, 0.2);
    color: var(--color-primary);
}

.alert-error {
    background: var(--color-danger-dim);
    border: 1px solid rgba(255, 51, 102, 0.2);
    color: var(--color-danger);
}

.alert-info {
    background: var(--color-secondary-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--color-secondary);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Person Cards ───────────────────────────────────────────────────── */
.person-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.person-card {
    position: relative;
    overflow: hidden;
}

.person-card .person-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.person-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-on-primary);
    flex-shrink: 0;
}

.person-name {
    font-size: 1.15rem;
    font-weight: 700;
}

.person-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-green {
    background: var(--color-primary-dim);
    color: var(--color-primary);
}

.badge-blue {
    background: var(--color-secondary-dim);
    color: var(--color-secondary);
}

.badge-orange {
    background: var(--color-accent-dim);
    color: var(--color-accent);
}

.badge-purple {
    background: var(--color-purple-dim);
    color: var(--color-purple);
}

.badge-yellow {
    background: var(--color-yellow-dim);
    color: var(--color-yellow);
}

.badge-danger {
    background: var(--color-danger-dim);
    color: var(--color-danger);
}

/* ─── Progress Bar ───────────────────────────────────────────────────── */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--progress-track);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.75rem;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-slow);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.4rem;
}

/* ─── Calendar ───────────────────────────────────────────────────────── */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.calendar-month-title {
    font-size: 1.4rem;
    font-weight: 700;
    min-width: 200px;
    text-align: center;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-day {
    min-height: 100px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    transition: all var(--transition-fast);
    cursor: default;
    position: relative;
}

.calendar-day:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
}

.calendar-day.today {
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-dim);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day-number {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.calendar-day.today .calendar-day-number {
    color: var(--color-primary);
    font-weight: 800;
}

.calendar-event {
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

.calendar-event.type-easy_run { background: var(--color-primary-dim); color: var(--color-primary); }
.calendar-event.type-tempo_run { background: var(--color-accent-dim); color: var(--color-accent); }
.calendar-event.type-interval { background: var(--color-danger-dim); color: var(--color-danger); }
.calendar-event.type-long_run { background: var(--color-secondary-dim); color: var(--color-secondary); }
.calendar-event.type-recovery_run { background: var(--color-purple-dim); color: var(--color-purple); }
.calendar-event.type-cross_training { background: var(--color-yellow-dim); color: var(--color-yellow); }
.calendar-event.type-rest { background: var(--border-color); color: var(--text-muted); }
.calendar-event.type-race { background: var(--color-danger-dim); color: var(--color-danger); font-weight: 700; }

.calendar-event.completed {
    text-decoration: line-through;
    opacity: 0.6;
}

/* Calendar legend */
.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

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

.legend-dot.type-easy_run, .legend-dot.phase-base { background: var(--color-primary); }
.legend-dot.type-tempo_run, .legend-dot.phase-peak { background: var(--color-accent); }
.legend-dot.type-interval, .legend-dot.phase-race, .legend-dot.type-race { background: var(--color-danger); }
.legend-dot.type-long_run, .legend-dot.phase-build { background: var(--color-secondary); }
.legend-dot.type-recovery_run, .legend-dot.phase-taper { background: var(--color-purple); }
.legend-dot.type-cross_training { background: var(--color-yellow); }
.legend-dot.type-rest, .legend-dot.phase-recovery { background: var(--text-muted); }

/* ─── Training Plan ──────────────────────────────────────────────────── */
.plan-week {
    margin-bottom: 1.5rem;
}

.plan-week-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.plan-week-header:hover {
    background: var(--bg-card-hover);
}

.plan-week-title {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.plan-week-phase {
    padding: 0.15rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

.plan-week-km {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.plan-week-days {
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
}

.plan-day {
    display: grid;
    grid-template-columns: 65px auto 1fr 85px 75px 40px;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    gap: 1rem;
}

.plan-day:last-child {
    border-bottom: none;
}

.plan-day:hover {
    background: var(--bg-card-hover);
}

.plan-day.completed {
    opacity: 0.6;
}

.plan-day-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.2;
}

.plan-day-type {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    justify-self: start;
}

/* Phase Badges */
.phase-base { background: var(--color-primary-dim); color: var(--color-primary); }
.phase-build { background: var(--color-secondary-dim); color: var(--color-secondary); }
.phase-peak { background: var(--color-accent-dim); color: var(--color-accent); }
.phase-taper { background: var(--color-purple-dim); color: var(--color-purple); }
.phase-race { background: var(--color-danger-dim); color: var(--color-danger); }
.phase-recovery { background: var(--border-color); color: var(--text-muted); }

/* Day Type Badges */
.plan-day-type.type-easy_run { background: var(--color-primary-dim); color: var(--color-primary); }
.plan-day-type.type-tempo_run { background: var(--color-accent-dim); color: var(--color-accent); }
.plan-day-type.type-interval { background: var(--color-danger-dim); color: var(--color-danger); }
.plan-day-type.type-long_run { background: var(--color-secondary-dim); color: var(--color-secondary); }
.plan-day-type.type-recovery_run { background: var(--color-purple-dim); color: var(--color-purple); }
.plan-day-type.type-cross_training { background: var(--color-yellow-dim); color: var(--color-yellow); }
.plan-day-type.type-rest { background: var(--border-color); color: var(--text-muted); }

.plan-day-distance.type-text-easy_run { color: var(--color-primary); }
.plan-day-distance.type-text-tempo_run { color: var(--color-accent); }
.plan-day-distance.type-text-interval { color: var(--color-danger); }
.plan-day-distance.type-text-long_run { color: var(--color-secondary); }
.plan-day-distance.type-text-recovery_run { color: var(--color-purple); }
.plan-day-distance.type-text-cross_training { color: var(--color-yellow); }
.plan-day-distance.type-text-rest { color: var(--text-muted); }

.plan-day-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.plan-day-distance {
    font-weight: 700;
    font-size: 0.9rem;
    text-align: right;
}

.plan-day-duration {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
}

.plan-day-check {
    text-align: center;
}

.plan-day-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ─── Training Session ───────────────────────────────────────────────── */
.training-current {
    text-align: center;
    padding: 3rem 2rem;
}

.training-type-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.training-type-label {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.training-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.timer-display {
    font-size: 4rem;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
    color: var(--color-primary);
    text-shadow: 0 0 30px rgba(0, 255, 135, 0.3);
    margin: 2rem 0;
}

.timer-display.running {
    animation: timerGlow 1.5s ease infinite;
}

@keyframes timerGlow {
    0%, 100% { text-shadow: 0 0 30px rgba(0, 255, 135, 0.3); }
    50% { text-shadow: 0 0 50px rgba(0, 255, 135, 0.5); }
}

.training-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-start {
    background: linear-gradient(135deg, var(--color-primary), #00cc6a);
    color: var(--text-on-primary);
    padding: 1rem 3rem;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 255, 135, 0.3);
}

.btn-start:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 255, 135, 0.4);
    color: var(--text-on-primary);
}

.btn-stop {
    background: linear-gradient(135deg, var(--color-danger), #cc2255);
    color: white;
    padding: 1rem 3rem;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(255, 51, 102, 0.3);
}

.btn-stop:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 51, 102, 0.4);
    color: white;
}

/* ─── Mode Tabs (Live vs Manual) ─────────────────────────────────────── */
.mode-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-card);
    padding: 0.35rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    max-width: 480px;
}

.mode-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.mode-tab:hover {
    color: var(--text-primary);
}

.mode-tab.active {
    background: var(--color-primary-dim);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ─── Session History ────────────────────────────────────────────────── */
.session-list {
    list-style: none;
}

.session-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.session-item:last-child {
    border-bottom: none;
}

.session-date {
    font-weight: 600;
    font-size: 0.9rem;
}

.session-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.session-feeling {
    font-size: 0.9rem;
}

/* ─── Event Cards ────────────────────────────────────────────────────── */
.event-card {
    position: relative;
    overflow: hidden;
}

.event-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--color-accent-dim), transparent 70%);
    pointer-events: none;
}

.event-date-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--color-accent-dim);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.event-date-badge .day {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.event-date-badge .month {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
}

.event-countdown {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
}

.event-countdown-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ─── Empty State ────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* ─── Tables ─────────────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
}

/* ─── Modal ──────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* ─── Tooltip ────────────────────────────────────────────────────────── */
.tooltip-container {
    position: relative;
}

.tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.9rem;
    font-size: 0.8rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 50;
    box-shadow: var(--shadow-card);
}

.tooltip-container:hover .tooltip {
    opacity: 1;
}

/* ─── Sections ───────────────────────────────────────────────────────── */
.section {
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ─── Grid Layouts ───────────────────────────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* ─── Dashboard Today Section ────────────────────────────────────────── */
.today-training {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-primary-dim);
    border-radius: var(--radius-md);
    margin-top: 1rem;
}

.today-training-icon {
    font-size: 1.5rem;
}

.today-training-info {
    flex: 1;
}

.today-training-type {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.today-training-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ─── Countdown Inline ───────────────────────────────────────────────── */
.countdown-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.countdown-number {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--color-accent);
}

/* ─── Actions bar ────────────────────────────────────────────────────── */
.actions-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--nav-mobile-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .main-content {
        padding: 1rem;
    }

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

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

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

    .calendar-grid {
        gap: 2px;
    }

    .calendar-day {
        min-height: 60px;
        padding: 0.25rem;
    }

    .calendar-day-number {
        font-size: 0.7rem;
    }

    .calendar-event {
        font-size: 0.6rem;
        padding: 0.1rem 0.2rem;
    }

    .plan-day {
        grid-template-columns: 55px 1fr auto 35px;
        gap: 0.5rem;
        padding: 0.6rem 0.75rem;
        font-size: 0.85rem;
    }

    .plan-day-description {
        display: none;
    }

    .plan-day-duration {
        display: none;
    }

    .timer-display {
        font-size: 3rem;
    }

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .calendar-header {
        flex-direction: column;
        gap: 1rem;
    }
}

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

    .stat-value {
        font-size: 1.8rem;
    }

    .training-controls {
        flex-direction: column;
        align-items: center;
    }
}

/* ─── Utilities ──────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--color-primary); }
.text-secondary-color { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-danger { color: var(--color-danger); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none; }
.fw-bold { font-weight: 700; }

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

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

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

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

/* ─── Filter bar ─────────────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-bar .form-select {
    width: auto;
    min-width: 200px;
}

/* ─── No-plan notice ─────────────────────────────────────────────────── */
.notice-card {
    background: var(--color-secondary-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
}

.notice-card p {
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

/* ═══════════════════════════════════════════════════════════════════════
   iOS Mobile WebApp Styles (iPhone / PWA)
   ═══════════════════════════════════════════════════════════════════════ */

.mobile-app-shell {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    color: var(--text-primary);
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.4);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.mobile-top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--border-color);
    padding: calc(env(safe-area-inset-top, 0px) + 0.75rem) 1.25rem 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-athlete-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.mobile-athlete-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--text-on-primary);
    font-weight: 800;
}

.mobile-main-content {
    flex: 1;
    padding: 1.25rem 1.25rem calc(env(safe-area-inset-bottom, 0px) + 85px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* iOS Bottom Tab Bar */
.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 500px;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-top: 1px solid var(--border-color);
    padding: 0.5rem 1rem calc(env(safe-area-inset-bottom, 0px) + 0.5rem);
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.mobile-tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-tab-item.active {
    color: var(--color-primary);
    background: var(--color-primary-dim);
}

.mobile-tab-icon {
    font-size: 1.35rem;
    line-height: 1;
}

/* Big Action Cards for Mobile */
.mobile-action-card {
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-card);
    text-align: center;
}

.mobile-big-btn {
    width: 100%;
    padding: 1.1rem;
    font-size: 1.15rem;
    font-weight: 800;
    border-radius: var(--radius-md);
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    border: none;
    cursor: pointer;
}

/* PIN Numpad */
.pin-display {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.pin-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: transparent;
    transition: all var(--transition-fast);
}

.pin-dot.filled {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
    transform: scale(1.15);
}

.numpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 300px;
    margin: 0 auto;
}

.numpad-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    cursor: pointer;
    transition: all var(--transition-fast);
    touch-action: manipulation;
}

.numpad-btn:active {
    background: var(--color-primary-dim);
    border-color: var(--color-primary);
    transform: scale(0.92);
}