/* ============================================================
   GYM APP — Mobile-first CSS
   Dark mode: auto-detect via prefers-color-scheme
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Light mode defaults */
  --bg: #f0f0f5;
  --bg-card: #ffffff;
  --bg-card-alt: #f5f5fa;
  --bg-input: #e8e8f0;
  --text: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #8888a0;
  --accent: #4a6cf7;
  --accent-glow: rgba(74, 108, 247, 0.3);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #d0d0dd;
  --pill-bg: #e0e0eb;
  --chip-bg: #e4e4f0;
  --chip-active-bg: var(--accent);
  --chip-active-text: #fff;
  --overlay: rgba(0, 0, 0, 0.5);
  --rest-bar-bg: #d0d0dd;
  --toast-bg: #333;
  --toast-text: #fff;
  --push-color: #4a6cf7;
  --pull-color: #22c55e;
  --legs-color: #f59e0b;
  --bonus-color: #a855f7;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --transition: 200ms ease;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-alt: #222240;
    --bg-input: #2a2a45;
    --text: #e8e8f0;
    --text-secondary: #a0a0bb;
    --text-muted: #666680;
    --accent: #6b8cff;
    --accent-glow: rgba(107, 140, 255, 0.35);
    --border: #333355;
    --pill-bg: #2a2a45;
    --chip-bg: #2a2a45;
    --rest-bar-bg: #2a2a45;
    --toast-bg: #2a2a45;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ---------- Utility ---------- */
.hidden { display: none !important; }
.flex-1 { flex: 1; }

/* ---------- Views ---------- */
.view {
  display: none;
  animation: fadeSlideIn 250ms ease forwards;
}
.view.active {
  display: block;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.view-content {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px 100px;
}

.center-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80dvh;
  text-align: center;
  gap: 16px;
}

/* ---------- Typography ---------- */
h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 1.125rem; font-weight: 600; margin: 20px 0 10px; }

.app-title {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

.app-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition);
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  min-height: 48px;
  padding: 12px 24px;
  font-size: 1rem;
}
.btn-primary:active { background: #3a5ce7; }

.btn-xl {
  min-height: 56px;
  padding: 16px 48px;
  font-size: 1.125rem;
  border-radius: 16px;
}

.btn-lg {
  width: 100%;
  min-height: 52px;
  font-size: 1rem;
  margin-top: 16px;
}

.btn-sm {
  min-height: 36px;
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  min-height: 44px;
  padding: 10px 16px;
}
.btn-ghost:active { background: var(--chip-bg); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  min-height: 48px;
  padding: 12px 24px;
}
.btn-danger:active { background: #dc2626; }

.btn-warning {
  background: var(--warning);
  color: #000;
  min-height: 48px;
  padding: 12px 24px;
}
.btn-warning:active { background: #d97706; }

.btn-back {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1.25rem;
  padding: 8px 4px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  touch-action: manipulation;
}

.home-links {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

/* ---------- Choice Grid / Stack ---------- */
.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.btn-choice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 24px 16px;
  min-height: 100px;
  box-shadow: var(--shadow);
}
.btn-choice:active {
  border-color: var(--accent);
  background: var(--bg-card-alt);
}

.choice-emoji { font-size: 2rem; }
.choice-label { font-size: 1.125rem; font-weight: 700; }
.choice-sub { font-size: 0.8rem; color: var(--text-secondary); }

.choice-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.btn-choice-wide {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  min-height: 64px;
  box-shadow: var(--shadow);
  width: 100%;
  text-align: left;
}
.btn-choice-wide:active {
  border-color: var(--accent);
  background: var(--bg-card-alt);
}

/* ---------- Time Mode Cards ---------- */
.time-mode-card { cursor: pointer; }

.countdown-config {
  display: none;
  width: 100%;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.countdown-config.countdown-config-visible {
  display: block;
  animation: fadeIn 200ms ease;
}

.countdown-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.countdown-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}
.input-time {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-input);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-height: 48px;
  text-align: center;
  -webkit-appearance: none;
}
.input-time:focus {
  outline: none;
  border-color: var(--accent);
}
.countdown-duration-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}
.countdown-adj {
  min-width: 48px;
  min-height: 40px;
  font-weight: 700;
  font-size: 1rem;
}
.countdown-duration {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 110px;
  text-align: center;
}

/* ---------- Pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  background: var(--pill-bg);
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}
.pill-sm { padding: 2px 10px; font-size: 0.75rem; }

.pill-push { background: var(--push-color); color: #fff; }
.pill-pull { background: var(--pull-color); color: #fff; }
.pill-legs { background: var(--legs-color); color: #000; }
.pill-bonus { background: var(--bonus-color); color: #fff; }

/* ---------- Pill Row (sticky breadcrumb) ---------- */
#pill-row {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#pill-row::-webkit-scrollbar { display: none; }

/* ---------- Progress Bar ---------- */
#progress-bar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 22px;
  padding: 0 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
#progress-bar.hidden { display: none !important; }
#progress-bar + #pill-row { top: 22px; }

.progress-track {
  flex: 1;
  height: 5px;
  background: var(--rest-bar-bg);
  border-radius: 3px;
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  transition: width 1s linear, background-color 0.5s ease;
}
#progress-fill.pace-ahead { background: var(--success); }
#progress-fill.pace-on { background: var(--accent); }
#progress-fill.pace-behind { background: var(--warning); }
#progress-fill.pace-over { background: var(--danger); }

#progress-time-readout {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 44px;
  text-align: right;
}

/* ---------- Segment Bar (block completion) ---------- */
#segment-bar {
  position: sticky;
  top: 58px; /* below progress-bar (22px) + pill-row (~36px) */
  z-index: 49;
  display: flex;
  gap: 3px;
  padding: 4px 10px 6px;
  background: var(--bg);
}
#segment-bar.hidden { display: none !important; }

.segment-bar-item {
  flex: 1;
  height: 4px;
  background: var(--chip-bg);
  border-radius: 2px;
  transition: background 0.3s ease;
}
.segment-bar-item.segment-done {
  background: var(--success);
}

/* ---------- Chips ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--chip-bg);
  color: var(--text);
  border: 2px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
  min-width: 44px;
  transition: all var(--transition);
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}
.chip:active { transform: scale(0.95); }

.chip-active,
.chip.chip-active {
  background: var(--chip-active-bg);
  color: var(--chip-active-text);
  border-color: var(--accent);
}

/* ---------- Toggle ---------- */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  min-height: 52px;
}

.toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: relative;
  width: 52px;
  height: 30px;
  background: var(--chip-bg);
  border-radius: 15px;
  transition: background var(--transition);
  flex-shrink: 0;
}
.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-input:checked + .toggle-slider {
  background: var(--accent);
}
.toggle-input:checked + .toggle-slider::after {
  transform: translateX(22px);
}

/* ---------- Forms ---------- */
.form-group {
  margin: 12px 0;
}

.form-group label,
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.input-lg {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-input);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 600;
  min-height: 52px;
  transition: border-color var(--transition);
}
.input-lg:focus {
  outline: none;
  border-color: var(--accent);
}
.input-lg::placeholder {
  color: var(--text-muted);
}

.input-sm {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  min-height: 44px;
  margin-top: 8px;
}
.input-sm:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row {
  display: flex;
  gap: 12px;
}

/* ---------- Warmup ---------- */
.warmup-section {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.warmup-label {
  font-weight: 600;
  margin-bottom: 8px;
}

/* Inline stretch log inside warmup block */
.stretch-log-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0 4px;
  flex-wrap: wrap;
}
.stretch-log-row .input-sm {
  width: 80px;
  margin-top: 0;
  text-align: center;
}
.stretch-logged {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--success);
  font-weight: 600;
}

/* ---------- Tabs ---------- */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin: 16px 0 0;
}

.tab {
  flex: 1;
  background: none;
  border: none;
  padding: 12px 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  min-height: 44px;
  transition: all var(--transition);
}
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
  padding: 12px 0;
  animation: fadeIn 200ms ease;
}
.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---------- Machine View ---------- */
#machine-rep-range {
  margin: 8px 0;
}

/* Setup notes advisory text (shown above input fields in Setup tab) */
.setup-notes-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--bg-card-alt);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 14px;
}

/* ---------- Markdown-rendered tips (setup + form via marked.js) ---------- */
.setup-notes-text h3,
#form-text h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 14px 0 4px;
}
.setup-notes-text h3:first-child,
#form-text h3:first-child {
  margin-top: 0;
}
.setup-notes-text ul,
#form-text ul {
  margin: 0 0 4px 0;
  padding-left: 1.25em;
}
.setup-notes-text li,
#form-text li {
  margin-bottom: 4px;
  line-height: 1.5;
}
.setup-notes-text p,
#form-text p {
  margin: 4px 0;
  line-height: 1.5;
}

/* Assisted chin inversion note */
.machine-inversion-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--warning);
  background: rgba(245, 158, 11, 0.12);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin: 4px 0 8px;
  font-weight: 600;
}

/* Rep range in set logger label */
#set-rep-range {
  vertical-align: middle;
  margin-left: 6px;
}

#form-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
#form-text.collapsed {
  max-height: 60px;
  overflow: hidden;
  position: relative;
}
#form-text.collapsed::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(transparent, var(--bg));
}

.form-expand-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 0;
  cursor: pointer;
}

.tts-row {
  padding: 4px 0;
}

.mantra-sticky {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: var(--bg-card-alt);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  margin: 12px 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

#machine-history {
  font-size: 0.9rem;
}

.history-session {
  margin-bottom: 14px;
}

.history-session-date {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.history-set-row {
  line-height: 1.7;
}

.history-rir {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ---------- Logged Sets ---------- */
#logged-sets {
  margin: 12px 0;
}

.set-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 0.9rem;
}
.set-row-num {
  font-weight: 700;
  color: var(--text-muted);
  min-width: 24px;
}
.set-row-detail {
  flex: 1;
  font-weight: 600;
}
.set-row-rir {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Set Logger ---------- */
#set-logger {
  padding: 16px 0;
  border-top: 2px solid var(--border);
  margin-top: 8px;
}
#set-logger-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
#current-set-label {
  font-size: 1.1rem;
  font-weight: 700;
}

/* ---------- Next Time Suggestion ---------- */
#next-time-suggestion {
  padding: 16px 0;
  border-top: 2px solid var(--border);
  margin-top: 8px;
}

#weight-up-prompt {
  background: var(--bg-card-alt);
  border: 2px solid var(--success);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 12px;
  font-weight: 600;
  text-align: center;
}

/* ---------- Blocks ---------- */
.block-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}
.block-card.block-current {
  border-color: var(--accent);
}
.block-card.block-done {
  border-color: var(--success);
  opacity: 0.85;
}

.block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  min-height: 52px;
  touch-action: manipulation;
}
.block-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
}
.block-check {
  color: var(--success);
  font-size: 1.1rem;
}
.block-chevron {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: transform var(--transition);
}
.block-card.block-expanded .block-chevron {
  transform: rotate(90deg);
}

.block-body {
  display: none;
  padding: 0 16px 12px;
}
.block-card.block-expanded .block-body {
  display: block;
  animation: fadeIn 200ms ease;
}

.machine-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  cursor: pointer;
  min-height: 48px;
  transition: background var(--transition);
  touch-action: manipulation;
}
.machine-row:active {
  background: var(--bg-input);
}

.machine-row-name {
  font-weight: 600;
  font-size: 0.95rem;
}
.machine-row-sets {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.machine-row-check {
  color: var(--success);
  margin-left: 8px;
}

.block-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 12px 0;
  text-align: center;
}

/* ---------- Workout Header ---------- */
#workout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.workout-actions {
  display: flex;
  gap: 4px;
}

/* ---------- Rest Timer ---------- */
#rest-timer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 80;
  background: var(--bg-card);
  border-top: 2px solid var(--border);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
  padding: 16px;
  transition: transform 300ms ease;
}
#rest-timer.hidden {
  display: block;
  transform: translateY(100%);
  pointer-events: none;
}
#rest-timer:not(.hidden) {
  transform: translateY(0);
}
body.rest-timer-visible .view-content {
  padding-bottom: 220px;
}

#rest-timer-inner {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

#rest-countdown {
  font-size: 2.5rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
#rest-countdown.overtime {
  color: var(--danger);
}

#rest-overtime {
  font-size: 1rem;
  color: var(--warning);
  font-weight: 600;
}

#rest-total {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 4px 0 10px;
}

#rest-bar-container {
  position: relative;
  height: 8px;
  background: var(--rest-bar-bg);
  border-radius: 4px;
  margin: 8px 0;
  overflow: visible;
}

#rest-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 1s linear, background-color 0.5s ease;
  width: 0%;
}
#rest-bar-fill.rest-done {
  background: var(--success);
}

#rest-bar-hurry-marker,
#rest-bar-rec-marker {
  position: absolute;
  top: -4px;
  width: 3px;
  height: 16px;
  border-radius: 2px;
  pointer-events: none;
}
#rest-bar-hurry-marker {
  background: var(--warning);
}
#rest-bar-rec-marker {
  background: var(--success);
}

@keyframes restPulse {
  0%, 100% { box-shadow: 0 -4px 16px rgba(0,0,0,0.15); }
  50% { box-shadow: 0 -4px 24px var(--accent-glow); }
}
#rest-timer.rest-alert {
  animation: restPulse 1s ease-in-out 3;
}

/* ---------- Set Done Phase ---------- */
#set-done-phase {
  padding: 12px 0;
  text-align: center;
}
#set-preview {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
#set-entry-phase.hidden { display: none; }

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

/* ---------- Toast ---------- */
#toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--toast-bg);
  color: var(--toast-text);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
  animation: toastIn 250ms ease, toastOut 250ms ease 4.75s forwards;
  white-space: nowrap;
}

.toast-undo {
  background: none;
  border: none;
  color: var(--accent);
  font-weight: 700;
  cursor: pointer;
  padding: 4px 8px;
  font-size: 0.9rem;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ---------- Modal ---------- */
#modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 200ms ease;
}
#modal-overlay.hidden { display: none !important; }

#modal-box {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

#modal-body {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.5;
}
#modal-body h3 {
  margin-bottom: 8px;
}

#modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ---------- Resume Overlay ---------- */
#resume-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#resume-overlay.hidden { display: none !important; }

#resume-box {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
#resume-box h3 {
  margin-bottom: 12px;
}
#resume-box p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.modal-btn-row {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.modal-btn-row .btn { flex: 1; }

/* ---------- Analytics ---------- */
#heatmap {
  margin: 8px 0;
  padding-right: 20px;
}

.heatmap-months {
  display: grid;
  gap: 2px;
  margin-bottom: 2px;
}
.heatmap-month-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  min-width: 0;
  overflow: visible;
  white-space: nowrap;
}

.heatmap-grid-wrapper {
  display: flex;
  gap: 4px;
}
.heatmap-days {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  gap: 2px;
  width: 24px;
  flex-shrink: 0;
}
.heatmap-day-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  min-height: 0;
}

.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  grid-auto-flow: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.heatmap-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--chip-bg);
  min-width: 0;
  cursor: pointer;
  transition: transform 150ms ease;
}
.heatmap-cell:hover { transform: scale(1.5); }
.heatmap-cell.hm-push { background: var(--push-color); }
.heatmap-cell.hm-pull { background: var(--pull-color); }
.heatmap-cell.hm-legs { background: var(--legs-color); }
.heatmap-cell.hm-bonus { background: var(--bonus-color); }
.heatmap-cell.hm-empty { background: var(--chip-bg); opacity: 0.3; }

#heatmap-legend {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.chart-bar-container {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 100px;
  padding: 8px 0;
}

.chart-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
}

.chart-bar {
  width: 100%;
  max-width: 28px;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  transition: height 300ms ease;
  min-height: 2px;
  margin-top: auto;
}

.chart-bar-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.chart-bar-value {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
}

#day-summary {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
}

/* ---------- Settings ---------- */
.settings-group {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 4px 16px;
  margin-bottom: 24px;
}
.settings-group .toggle-row {
  border-bottom: 1px solid var(--border);
}
.settings-group .toggle-row:last-child,
.settings-group .setting-row:last-child {
  border-bottom: none;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.setting-row .chip-row {
  margin: 0;
}

.settings-danger {
  margin-top: 40px;
  text-align: center;
}
.settings-danger-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.app-version-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 24px;
}

/* ---------- Session Summary ---------- */
#summary-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}

.summary-stat {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.summary-stat:last-child { border-bottom: none; }
.summary-stat-label { color: var(--text-secondary); }
.summary-stat-value { font-weight: 700; }
#summary-content h3 { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ---------- Responsive (larger phones) ---------- */
@media (min-width: 420px) {
  .view-content { padding: 20px 20px 100px; }
  .btn-xl { padding: 18px 56px; font-size: 1.2rem; }
}

/* ---------- Safe area for notch phones ---------- */
@supports (padding-top: env(safe-area-inset-top)) {
  #progress-bar { padding-top: env(safe-area-inset-top); }
  #rest-timer { padding-bottom: env(safe-area-inset-bottom); }
  body { padding-bottom: env(safe-area-inset-bottom); }
}

/* ---------- Bike RPE Guide ---------- */
.rpe-guide {
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
  margin: 4px 0 14px;
  font-size: 0.85rem;
}
.rpe-guide summary {
  cursor: pointer;
  padding: 8px 12px;
  color: var(--text-secondary);
  font-weight: 600;
  list-style: none;
  user-select: none;
}
.rpe-guide summary::-webkit-details-marker { display: none; }
.rpe-guide-content {
  padding: 4px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.rpe-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
}
.rpe-badge {
  display: inline-block;
  min-width: 36px;
  text-align: center;
  border-radius: var(--radius-pill);
  padding: 2px 7px;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  flex-shrink: 0;
}
.rpe-low   { background: #22c55e; }
.rpe-easy  { background: #84cc16; }
.rpe-mod   { background: #f59e0b; }
.rpe-hard  { background: #f97316; }
.rpe-vhard { background: #ef4444; }
.rpe-max   { background: #dc2626; }