:root {
  --bg: #0f0f23; --card: #1a1a2e; --accent: #00d2ff; --accent2: #a855f7;
  --green: #6bcb77; --red: #ff6b6b; --yellow: #ffd93d;
  --text: #e0e0e0; --muted: #8888aa; --border: #2a2a4a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7;
  font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* Header */
header { text-align: center; padding: 40px 20px 20px; border-bottom: 1px solid var(--border); }
header h1 {
  font-size: 2.8em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
header .subtitle { color: var(--muted); font-size: 1.1em; margin-top: 8px; }

/* Navigation */
nav {
  position: sticky; top: 0; background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100; padding: 10px 0;
}
nav .container { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
nav a {
  color: var(--muted); padding: 6px 14px; border-radius: 20px;
  border: 1px solid var(--border); font-size: 0.85em; transition: all 0.2s;
  flex-shrink: 0; text-decoration: none;
}
nav a:hover, nav a.active { color: var(--accent); border-color: var(--accent); }
.nav-user {
  display: flex; gap: 10px; align-items: center;
  color: var(--muted); font-size: 0.85em;
}
.nav-user .btn-logout {
  padding: 4px 12px; border-radius: 12px; border: 1px solid var(--border);
  color: var(--muted); background: transparent; cursor: pointer; font-size: 0.85em;
}
.nav-user .btn-logout:hover { color: var(--red); border-color: var(--red); }

/* Nav sync indicator */
.nav-sync {
  display: flex; align-items: center; gap: 6px; margin-left: auto;
}
.nav-sync .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.nav-sync .status-dot.ok { background: var(--green); }
.nav-sync .status-dot.running { background: var(--yellow); animation: pulse 1s infinite; }
.nav-sync .status-dot.error { background: var(--red); }
.btn-sync-sm {
  padding: 3px 10px; border-radius: 10px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-size: 0.8em;
}
.btn-sync-sm:hover { color: var(--accent); border-color: var(--accent); }

/* Dashboard cards */
.dashboard {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; margin: 25px 0;
}
.metric-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; text-align: center;
}
.metric-card .value { font-size: 1.8em; font-weight: bold; color: var(--accent); }
.metric-card .label { color: var(--muted); font-size: 0.82em; margin-top: 4px; }

/* Sections */
section { margin: 40px 0; padding-top: 20px; }
section h2 {
  font-size: 1.5em; margin-bottom: 18px; padding-bottom: 8px;
  border-bottom: 2px solid var(--border); color: var(--accent);
}
section h3 { font-size: 1.15em; margin: 20px 0 10px; color: var(--yellow); }

/* Charts */
.chart-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 18px; margin: 14px 0;
}
.chart-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px; overflow: hidden;
}
.chart-select {
  display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap;
}
.chart-select button {
  padding: 4px 12px; border-radius: 12px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-size: 0.8em;
}
.chart-select button.active, .chart-select button:hover {
  color: var(--accent); border-color: var(--accent);
}

/* Live status grid */
.live-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin: 16px 0;
}
.live-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; text-align: center; transition: border-color 0.2s;
}
.live-card.status-ok { border-left: 3px solid var(--green); }
.live-card.status-warn { border-left: 3px solid var(--yellow); }
.live-icon { font-size: 1.4em; margin-bottom: 4px; }
.live-value { font-size: 1.6em; font-weight: bold; color: var(--text); }
.live-label { color: var(--muted); font-size: 0.8em; margin-top: 2px; }
.live-sub { color: var(--muted); font-size: 0.75em; margin-top: 2px; }
.status-ok .live-value { color: var(--green); }
.status-warn .live-value { color: var(--yellow); }
a.live-card { display: block; text-decoration: none; color: inherit; cursor: pointer; }
a.live-card:hover { border-color: var(--accent); transform: translateY(-1px); }

/* Summary bar (program page) */
.summary-bar {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 20px; margin: 16px 0; font-size: 0.95em;
}
.summary-bar .sb-item { color: var(--text); white-space: nowrap; }
.summary-bar .sb-item strong { color: var(--accent); }
.summary-bar .sb-sep { color: var(--border); }

/* Digest card */
.digest-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; margin: 16px 0;
}
.digest-card h3 { color: var(--accent); margin-bottom: 12px; font-size: 1.1em; }
.digest-summary {
  color: var(--text); font-size: 0.95em; margin-bottom: 14px;
  padding: 10px 14px; background: rgba(0,210,255,0.06); border-radius: 8px;
}
.digest-items { display: flex; flex-direction: column; gap: 8px; }
.digest-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px; border-radius: 8px; font-size: 0.9em;
}
.digest-dot {
  width: 8px; height: 8px; border-radius: 50%; margin-top: 6px; flex-shrink: 0;
}
.digest-green .digest-dot { background: var(--green); }
.digest-yellow .digest-dot { background: var(--yellow); }
.digest-red .digest-dot { background: var(--red); }
.digest-green { background: rgba(107,203,119,0.08); }
.digest-yellow { background: rgba(255,217,61,0.08); }
.digest-red { background: rgba(255,107,107,0.08); }
.digest-category {
  font-size: 0.75em; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.5px; margin-top: 4px;
}

/* Phases */
.phase {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; margin: 16px 0;
}
.phase-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px; flex-wrap: wrap; gap: 10px;
}
.phase-header h3 { color: var(--accent); margin: 0; font-size: 1.2em; }
.phase-badge {
  background: var(--accent); color: var(--bg); padding: 4px 12px;
  border-radius: 20px; font-weight: bold; font-size: 0.85em;
}
.phase p { color: var(--text); margin: 8px 0; }
.phase ul { list-style: none; margin: 10px 0; }
.phase li { padding: 6px 0 6px 20px; position: relative; }
.phase li::before { content: "\2192"; position: absolute; left: 0; color: var(--accent); }
.phase .warn {
  color: var(--red); font-size: 0.9em; margin-top: 10px; padding: 8px 12px;
  border-left: 3px solid var(--red); background: rgba(255,107,107,0.08);
  border-radius: 0 8px 8px 0;
}

/* Nutrition */
.nutrition-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; margin: 16px 0;
}
.macro-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; text-align: center;
}
.macro-card .big { font-size: 2.2em; font-weight: bold; }
.macro-card .unit { color: var(--muted); font-size: 0.9em; }
.protein .big { color: var(--red); }
.carbs .big { color: var(--yellow); }
.fats .big { color: var(--accent); }
.calories .big { color: var(--green); }

/* Section subtitle */
.section-subtitle { color: var(--text); font-size: 1em; margin: 20px 0 10px; }

/* Layers grid (nutrition constructor) */
.layers-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px; margin: 16px 0;
}
.layer-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px;
}
.layer-card h4 { color: var(--accent); margin-bottom: 10px; font-size: 1em; }
.layer-card ul { list-style: none; }
.layer-card li { padding: 4px 0 4px 16px; position: relative; font-size: 0.9em; }
.layer-card li::before { content: "·"; position: absolute; left: 0; color: var(--accent); font-weight: bold; }

/* Tables */
table.meal-plan { width: 100%; border-collapse: collapse; margin: 16px 0; }
table.meal-plan th {
  text-align: left; padding: 10px; border-bottom: 2px solid var(--border);
  color: var(--accent); font-size: 0.9em;
}
table.meal-plan td {
  padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top;
}
table.meal-plan tr:hover { background: rgba(0,210,255,0.05); }
tr.meal-total td { font-weight: bold; border-top: 2px solid var(--border); }

.zones-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.zones-table th, .zones-table td {
  padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border);
}
.zones-table th { color: var(--accent); font-size: 0.9em; }

/* Insights */
.insights { list-style: none; }
.insights li {
  background: var(--card); border-left: 3px solid var(--accent);
  padding: 12px 16px; margin: 8px 0; border-radius: 0 8px 8px 0; font-size: 0.95em;
}

/* Disclaimer */
.disclaimer {
  background: rgba(255,107,107,0.08); border: 1px solid var(--red);
  border-radius: 12px; padding: 16px; margin: 20px 0;
  font-size: 0.9em; color: var(--muted);
}
.disclaimer strong { color: var(--red); }

/* Footer */
footer {
  text-align: center; padding: 40px; color: var(--muted); font-size: 0.85em;
  border-top: 1px solid var(--border); margin-top: 60px;
}

/* Login page */
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; width: 100%; max-width: 400px;
}
.login-box h1 {
  text-align: center; margin-bottom: 30px; font-size: 2em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-box .form-group { margin-bottom: 20px; }
.login-box label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 0.9em; }
.login-box input {
  width: 100%; padding: 12px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 16px; outline: none;
}
.login-box input:focus { border-color: var(--accent); }
.login-box .btn-login {
  width: 100%; padding: 14px; border-radius: 8px; border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white; font-size: 1.1em; font-weight: bold; cursor: pointer;
}
.login-box .error {
  background: rgba(255,107,107,0.15); color: var(--red);
  padding: 10px; border-radius: 8px; margin-bottom: 16px; text-align: center;
}

/* Sync status */
.sync-bar {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; margin: 16px 0;
}
.sync-bar .status-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.sync-bar .status-dot.ok { background: var(--green); }
.sync-bar .status-dot.running { background: var(--yellow); animation: pulse 1s infinite; }
.sync-bar .status-dot.error { background: var(--red); }
.btn-sync {
  margin-left: auto; padding: 6px 16px; border-radius: 8px;
  border: 1px solid var(--accent); background: transparent;
  color: var(--accent); cursor: pointer; font-size: 0.85em;
}
.btn-sync:hover { background: rgba(0,210,255,0.1); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ─── Trainer portal (mobile-first) ─── */
.trainer-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; margin-bottom: 16px;
}
.filter-chips {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}
.filter-chips button {
  padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer;
  font-size: 0.85em; white-space: nowrap; min-height: 36px;
}
.filter-chips button.active { color: var(--accent); border-color: var(--accent); background: rgba(0,210,255,0.08); }

.activity-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px; margin-bottom: 16px;
}
.activity-card .card-top {
  display: flex; align-items: center; gap: 14px; cursor: pointer;
}
.activity-card .card-icon {
  font-size: 2em; width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); border-radius: 12px; flex-shrink: 0;
}
.activity-card .card-info { flex: 1; }
.activity-card .card-date { font-size: 1.1em; font-weight: 600; }
.activity-card .card-type { color: var(--muted); font-size: 0.85em; }
.activity-card .card-stats {
  display: flex; gap: 16px; margin-top: 6px; flex-wrap: wrap;
}
.activity-card .card-stats span { font-size: 0.85em; color: var(--muted); }
.activity-card .card-stats span strong { color: var(--text); }
.activity-card .note-indicator {
  width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0;
}
.activity-card .note-indicator.has-note { background: var(--green); }
.activity-card .note-indicator.no-note { background: var(--muted); opacity: 0.3; }

.note-form {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
}
.note-form textarea {
  width: 100%; min-height: 200px; padding: 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 16px; font-family: inherit;
  resize: vertical; outline: none;
}
.note-form textarea:focus { border-color: var(--accent); }
.note-form .btn-save {
  display: block; width: 100%; padding: 14px; margin-top: 10px;
  border-radius: 10px; border: none;
  background: linear-gradient(135deg, var(--green), var(--accent));
  color: white; font-size: 1.1em; font-weight: bold; cursor: pointer;
  min-height: 48px;
}
.note-form .btn-save:hover { opacity: 0.9; }

/* Trainer workout cards */
.btn-add-workout {
  padding: 8px 18px; border-radius: 20px; border: 1px solid var(--accent2);
  background: transparent; color: var(--accent2); cursor: pointer;
  font-size: 0.9em; font-weight: 600; white-space: nowrap;
}
.btn-add-workout:hover { background: rgba(168,85,247,0.12); }

.add-workout-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px; margin-bottom: 16px;
}
.add-workout-form textarea {
  width: 100%; min-height: 120px; padding: 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 16px; font-family: inherit;
  resize: vertical; outline: none; margin-top: 8px;
}
.add-workout-form textarea:focus { border-color: var(--accent2); }
.workout-input {
  width: 100%; padding: 12px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 16px; outline: none; margin-bottom: 8px;
}
.workout-input:focus { border-color: var(--accent2); }

.workout-card { border-left: 3px solid var(--accent2); }
.workout-badge {
  display: inline-block; font-size: 0.7em; padding: 2px 8px;
  border-radius: 10px; background: rgba(168,85,247,0.15);
  color: var(--accent2); margin-left: 8px; vertical-align: middle;
  font-weight: 600;
}
.workout-garmin-link {
  display: flex; gap: 16px; margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--border); flex-wrap: wrap;
}
.workout-garmin-link span { font-size: 0.85em; color: var(--muted); }
.workout-garmin-link span strong { color: var(--text); }

.workout-edit-form {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
}
.workout-edit-form textarea {
  width: 100%; min-height: 120px; padding: 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 16px; font-family: inherit;
  resize: vertical; outline: none; margin-top: 8px;
}
.workout-edit-form textarea:focus { border-color: var(--accent2); }
.workout-actions { display: flex; gap: 10px; margin-top: 10px; }
.workout-actions .btn-save { flex: 1; }
.workout-actions .btn-delete {
  padding: 14px 20px; border-radius: 10px; border: 1px solid var(--red);
  background: transparent; color: var(--red); cursor: pointer;
  font-size: 0.95em; min-height: 48px;
}
.workout-actions .btn-delete:hover { background: rgba(255,107,107,0.1); }

.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline; }

/* Responsive */
@media (max-width: 600px) {
  .chart-row { grid-template-columns: 1fr; }
  header h1 { font-size: 1.8em; }
  .live-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
  .dashboard { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .summary-bar { gap: 10px; font-size: 0.85em; padding: 10px 14px; }
  .container { padding: 12px; }
  nav .container { gap: 5px; }
  nav a { padding: 5px 10px; font-size: 0.8em; }
  .nav-user span { display: none; }
  .btn-sync-sm { padding: 2px 7px; font-size: 0.75em; }
}