:root {
    --bg: #0B0F19;
    --surface: #151B2B;
    --surface-raised: #1E2642;
    --border: #2A3455;
    --text: #F0F4F8;
    --muted: #8B9BB4;
    --accent: #00D9A5;
    --accent-warm: #FF6B6B;
    --accent-cool: #60A5FA;
    --warn: #FBBF24;
    --danger: #EF4444;
    --success: #10B981;
    --radius: 12px;
    --shadow: 0 4px 12px rgba(0,0,0,0.3);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; font-size: 16px; -webkit-tap-highlight-color: transparent; padding-bottom: 72px; }
a { color: inherit; text-decoration: none; }
.container { max-width: 680px; margin: 0 auto; padding: 16px; }

.navbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.25rem; color: var(--accent); letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.dropdown { position: relative; }
.dropdown button { display: flex; align-items: center; gap: 4px; color: var(--muted); background: none; border: none; font-size: 0.9rem; font-weight: 500; cursor: pointer; }
.dropdown-content { display: none; position: absolute; right: 0; top: calc(100% + 8px); background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius); min-width: 160px; padding: 8px 0; z-index: 200; box-shadow: var(--shadow); }
.dropdown-content a { display: flex; align-items: center; gap: 8px; padding: 10px 16px; color: var(--text); font-size: 0.9rem; }
.dropdown-content a:hover { background: rgba(255,255,255,0.05); }
.dropdown:hover .dropdown-content { display: block; }

.mobile-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--border); z-index: 100; padding-bottom: env(safe-area-inset-bottom); }
.mobile-nav-inner { display: flex; justify-content: space-around; align-items: center; max-width: 680px; margin: 0 auto; }
.mobile-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--muted); font-size: 0.65rem; font-weight: 500; padding: 6px 12px; transition: color 0.2s; }
.mobile-nav a i { font-size: 1.3rem; }
.mobile-nav a.active { color: var(--accent); }
.mobile-nav-dropdown { position: relative; }
.mobile-nav-dropdown-content { display: none; position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius); min-width: 140px; padding: 8px 0; z-index: 200; box-shadow: var(--shadow); }
.mobile-nav-dropdown-content a { display: block; padding: 10px 16px; color: var(--text); font-size: 0.85rem; text-align: center; }
.mobile-nav-dropdown-content a:hover { background: rgba(255,255,255,0.05); }
.mobile-nav-dropdown-content.show { display: block; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; transition: all 0.2s; }
.card:hover { border-color: rgba(0,217,165,0.25); box-shadow: var(--shadow); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-title { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.2px; }
.card-subtitle { font-size: 0.85rem; color: var(--muted); margin-top: 2px; }

.hero-card { background: linear-gradient(135deg, rgba(0,217,165,0.1), rgba(96,165,250,0.06)); border: 1px solid rgba(0,217,165,0.2); text-align: center; padding: 28px 20px; }
.hero-countdown { font-size: 2.5rem; font-weight: 800; color: var(--accent); line-height: 1; }
.hero-label { font-size: 0.8rem; color: var(--muted); margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 16px; }
.stat-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 12px; text-align: center; transition: transform 0.2s; }
.stat-box:hover { transform: translateY(-2px); }
.stat-icon { font-size: 1.4rem; color: var(--accent); margin-bottom: 4px; }
.stat-value { font-size: 1.4rem; font-weight: 800; line-height: 1.2; }
.stat-label { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; margin-top: 4px; }

.progress-bar { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; margin-top: 8px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #00f5d4); border-radius: 4px; transition: width 0.6s ease; }
.progress-labels { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.7rem; padding: 4px 10px; border-radius: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-done { background: rgba(16,185,129,0.12); color: var(--success); }
.badge-pending { background: rgba(139,155,180,0.1); color: var(--muted); }
.badge-gym { background: rgba(96,165,250,0.12); color: var(--accent-cool); }
.badge-warm { background: rgba(255,107,107,0.12); color: var(--accent-warm); }
.badge-warn { background: rgba(251,191,36,0.12); color: var(--warn); }
.badge-phase { background: rgba(0,217,165,0.1); color: var(--accent); }

.day-item { display: flex; align-items: center; gap: 14px; padding: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; transition: all 0.2s; text-decoration: none; color: var(--text); }
.day-item:hover { border-color: rgba(0,217,165,0.25); transform: translateX(3px); }
.day-date { min-width: 48px; text-align: center; }
.day-date .dow { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.day-date .dom { font-size: 1.3rem; font-weight: 800; }
.day-info { flex: 1; min-width: 0; }
.day-type { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
.day-session { font-size: 0.95rem; font-weight: 600; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.day-badges { display: flex; gap: 6px; flex-direction: column; align-items: flex-end; }
.run-easy { color: var(--success); }
.run-tempo { color: var(--accent-warm); }
.run-interval { color: var(--warn); }
.run-long { color: var(--accent-cool); }
.run-race { color: var(--accent); }
.run-fartlek { color: #A78BFA; }
.run-recovery { color: var(--muted); }
.run-off { color: #64748B; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 8px; border: none; font-size: 0.95rem; font-weight: 600; cursor: pointer; color: var(--text); transition: all 0.2s; text-decoration: none; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #00b4d8); color: #000; }
.btn-secondary { background: var(--surface-raised); border: 1px solid var(--border); }
.btn-danger { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.25); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--muted); margin-bottom: 6px; }
input, select, textarea { width: 100%; padding: 12px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 1rem; transition: all 0.2s; -webkit-appearance: none; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,217,165,0.08); }
input[type="checkbox"] { width: auto; transform: scale(1.3); accent-color: var(--accent); }
.row { display: flex; gap: 12px; }
.row .form-group { flex: 1; }

.login-box { max-width: 360px; margin: 80px auto; padding: 32px; }
.login-box .brand { text-align: center; margin-bottom: 32px; }
.login-box .brand i { font-size: 3rem; color: var(--accent); }
.login-box .brand h1 { margin-top: 12px; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }
.login-box .alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 0.9rem; background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.hint { text-align: center; margin-top: 16px; font-size: 0.8rem; color: var(--muted); }

.exercise-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.exercise-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.exercise-name { font-weight: 700; }
.exercise-category { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
.prev-session { background: rgba(251,191,36,0.06); border: 1px solid rgba(251,191,36,0.15); border-radius: 8px; padding: 10px 12px; font-size: 0.85rem; color: var(--warn); }
.target-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.target-badge { background: rgba(0,217,165,0.1); border: 1px solid rgba(0,217,165,0.25); border-radius: 8px; padding: 8px 12px; font-size: 0.85rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.sets-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.sets-table th, .sets-table td { padding: 8px; text-align: center; font-size: 0.9rem; }
.sets-table th { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; }
.set-input { width: 70px; padding: 8px; text-align: center; }
.add-set-form { display: flex; gap: 8px; align-items: flex-end; }
.add-set-form .form-group { margin-bottom: 0; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 8px; text-align: left; font-size: 0.9rem; }
.data-table th { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); }
.data-table tr { border-bottom: 1px solid var(--border); }
.data-table tr:last-child { border-bottom: none; }

.ref-phase-banner { background: linear-gradient(135deg, rgba(0,217,165,0.08), rgba(96,165,250,0.05)); border: 1px solid rgba(0,217,165,0.15); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 20px; display: flex; align-items: center; gap: 12px; }
.ref-category-header { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 800; color: var(--accent); margin: 24px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
.ref-exercise { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.ref-exercise.current-phase { border-color: rgba(0,217,165,0.3); }
.ref-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.ref-cell { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px; text-align: center; }
.ref-cell.active { border-color: var(--accent); background: rgba(0,217,165,0.06); }
.ref-cell-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.ref-cell-value { font-size: 0.9rem; font-weight: 700; }

/* Weight panel on reference page */
.weight-panel { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.bodyweight-panel { color: var(--muted); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.weight-row { display: flex; gap: 16px; flex-wrap: wrap; }
.weight-cell { display: flex; flex-direction: column; gap: 4px; }
.weight-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.weight-value { font-size: 1rem; font-weight: 700; color: var(--accent); }
.weight-form { display: flex; align-items: center; gap: 4px; }
.weight-input { width: 60px; padding: 4px 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 0.9rem; }

.reminder-banner { background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.3); border-radius: 6px; padding: 8px 12px; margin-top: 8px; display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--warn); }
.rm-form { margin-top: 8px; }
.history-toggle { margin-top: 8px; }
.history-table { margin-top: 8px; overflow-x: auto; }
.history-table table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.history-table th, .history-table td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--border); }
.history-table th { color: var(--muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; }

.week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; margin-bottom: 16px; }
.week-grid-day { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 4px; text-align: center; transition: all 0.2s; text-decoration: none; color: var(--text); }
.week-grid-day:hover { border-color: var(--accent); }
.week-grid-day .dow { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; }
.week-grid-day .dom { font-size: 1rem; font-weight: 700; margin: 4px 0; }
.week-grid-day .type-icon { font-size: 0.85rem; }
.week-grid-day .day-meta { margin-top: 6px; font-size: 0.65rem; line-height: 1.3; }
.week-grid-day .meta-type { color: var(--muted); font-weight: 500; }
.week-grid-day .meta-km { color: var(--text); font-weight: 600; }
.week-grid-day .meta-type.rest { opacity: 0.5; }
.week-grid-day .day-check { margin-top: 4px; color: var(--success); font-size: 0.75rem; }
.week-grid-day.done { border-color: var(--success); background: rgba(16,185,129,0.06); }

/* Day symbols: dots for runs, triangles for gym */
.day-symbols { display: flex; gap: 4px; justify-content: center; align-items: center; margin-top: 4px; min-height: 10px; }
.sym-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex-shrink: 0; }
.sym-tri { display: inline-block; width: 10px; height: 10px; clip-path: polygon(50% 0%, 0% 100%, 100% 100%); background: var(--muted); flex-shrink: 0; }

/* Run dots */
.sym-dot.run-easy     { background: #3B82F6; }
.sym-dot.run-recovery { background: #94A3B8; }
.sym-dot.run-tempo    { background: #FACC15; }
.sym-dot.run-interval { background: #EF4444; }
.sym-dot.run-long-run { background: #22C55E; }
.sym-dot.run-race     { background: #8B5CF6; }
.sym-dot.run-fartlek  { background: #F97316; }
.sym-dot.run-strides  { background: #EC4899; }

/* Gym triangles */
.sym-tri.gym-push { background: #06B6D4; }
.sym-tri.gym-pull { background: #6366F1; }
.sym-tri.gym-legs { background: #84CC16; }

/* Inline week view symbol layout */
.week-inline-day .wid-type { display: flex; gap: 3px; justify-content: center; align-items: center; margin: 4px 0; }

.page-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.page-header h1 { font-size: 1.3rem; font-weight: 800; flex: 1; }
.back-link { display: flex; align-items: center; gap: 4px; color: var(--muted); font-size: 0.9rem; font-weight: 500; padding: 8px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; transition: all 0.2s; }
.back-link:hover { color: var(--text); border-color: var(--accent); }

.chart-container { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; height: 280px; }
.chart-container h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }

.text-muted { color: var(--muted); }
.text-accent { color: var(--accent); }
.text-warm { color: var(--accent-warm); }
.text-cool { color: var(--accent-cool); }
.text-success { color: var(--success); }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.text-center { text-align: center; }
.hidden { display: none; }

@media (min-width: 480px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } .ref-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .nav-links { display: none; } .mobile-nav { display: block; } .week-grid { gap: 4px; } .week-grid-day { padding: 8px 2px; } .chart-container { height: 220px; padding: 16px; } .weight-row { gap: 12px; } .weight-cell { flex: 1; min-width: 80px; } .reminder-banner { flex-wrap: wrap; } }
@media (min-width: 641px) { .mobile-nav { display: none !important; } .container { padding: 24px; } }

/* Week inline day breakdown on /weeks */
.week-inline-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.week-inline-day { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px 2px; text-align: center; text-decoration: none; color: var(--text); transition: all 0.2s; }
.week-inline-day:hover { border-color: var(--accent); }
.wid-dow { font-size: 0.6rem; color: var(--muted); text-transform: uppercase; }
.wid-dom { font-size: 0.9rem; font-weight: 700; margin: 2px 0; }
.wid-type { margin: 4px 0; }
.wid-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.wid-dot.rest-dot { background: #8B9BB4; }
.wid-dot.gym-dot { background: #FBBF24; }
.wid-info { font-size: 0.6rem; color: var(--muted); }
.wid-done { color: var(--success); font-size: 0.75rem; margin-top: 2px; }

/* Mobile nav 6-item layout */
.mobile-nav-inner a { padding: 6px 4px; font-size: 0.6rem; }

/* Run type dot colors */
.wid-dot.run-easy { background: #60A5FA; }
.wid-dot.run-recovery { background: #8B9BB4; }
.wid-dot.run-tempo { background: #FBBF24; }
.wid-dot.run-interval { background: #FF6B6B; }
.wid-dot.run-long-run { background: #00D9A5; }
.wid-dot.run-race { background: #A855F7; }