/* =========================================================
   Static Timer — Styles
   ========================================================= */

/* ---- CSS Variables / Theming ---- */
:root {
  /* Dark theme (default) */
  --bg-primary: #121218;
  --bg-secondary: #1c1c26;
  --bg-card: #23232f;
  --bg-input: #2a2a38;
  --border: #3a3a4a;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;
  --accent: #6c8cff;
  --accent-hover: #8aa4ff;
  --danger: #ff5c5c;
  --danger-hover: #ff7a7a;
  --success: #4cdf8b;
  --shadow: rgba(0, 0, 0, 0.4);
  --radius: 8px;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg-primary: #f4f5f9;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #eef0f5;
  --border: #d0d4de;
  --text-primary: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #888898;
  --accent: #4a6cf7;
  --accent-hover: #3754d8;
  --danger: #e04444;
  --danger-hover: #c83636;
  --success: #28a45e;
  --shadow: rgba(0, 0, 0, 0.08);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition), color var(--transition);
}

/* ---- Top Bar ---- */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--text-primary);
  transition: background var(--transition);
}

.icon-btn:hover {
  background: var(--bg-input);
}

/* Theme toggle icon visibility */
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: inline; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: inline; }

/* ---- Layout ---- */
.container {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
}

/* ---- Card ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 8px var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}

.card h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ---- Config Grid ---- */
.config-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem 1rem;
  align-items: center;
}

.config-grid label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.config-grid select,
.config-grid input[type="range"] {
  width: 100%;
}

/* ---- Form Elements ---- */
select,
input[type="text"],
input[type="number"] {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.65rem;
  font-size: 0.9rem;
  transition: border-color var(--transition), background var(--transition);
}

select:focus,
input[type="text"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

input[type="range"] {
  accent-color: var(--accent);
  cursor: pointer;
}

input[type="number"] {
  width: 5rem;
  text-align: center;
}

/* ---- Table ---- */
.table-wrap {
  overflow-x: auto;
}

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

thead th {
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 0.5rem 0.5rem;
  border-bottom: 2px solid var(--border);
}

.col-num {
  width: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  user-select: none;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:hover {
  background: var(--bg-input);
}

tbody tr.playing {
  background: rgba(108, 140, 255, 0.12);
}

tbody td {
  padding: 0.5rem;
  vertical-align: middle;
}

.col-handle {
  width: 2rem;
  text-align: center;
  color: var(--text-muted);
  cursor: grab;
}

.col-text { min-width: 180px; }
.col-pause { width: 90px; }
.col-repeat { width: 80px; }
.col-alt { width: 140px; }
.col-actions { width: 40px; }

td input[type="text"],
td input[type="number"],
td select {
  width: 100%;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    transform 0.1s ease, opacity var(--transition);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border);
}

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

.btn-outline:hover:not(:disabled) {
  background: var(--bg-input);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.btn-warning {
  background: #d97706;
  color: #fff;
}

.btn-warning:hover:not(:disabled) {
  background: #b45309;
}

[data-theme="light"] .btn-warning {
  background: #f59e0b;
}

[data-theme="light"] .btn-warning:hover:not(:disabled) {
  background: #d97706;
}

.btn-lg {
  padding: 0.65rem 1.5rem;
  font-size: 1rem;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-muted);
  padding: 0.25rem;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

.btn-icon:hover {
  color: var(--danger);
  background: var(--bg-input);
}

/* ---- Row actions bar ---- */
.row-actions-bar {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

/* ---- Playback bar ---- */
.playback-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.playback-start-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.playback-start-row input[type="number"] {
  width: 4rem;
}

.status-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-height: 1.2em;
}

/* ---- Storage ---- */
.storage-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.btn-sm {
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}

/* ---- Display Panel ---- */
.display-panel {
  text-align: center;
}

.display-progress-bar {
  width: 100%;
  height: 10px;
  background: var(--bg-input);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.display-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 5px;
  transition: width 0.25s ease;
}

.display-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.display-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.display-stat-divider {
  width: 1px;
  height: 3rem;
  background: var(--border);
  min-width: 1px;
  flex: none;
}

.display-stat-value {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.display-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.display-current-text {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  min-height: 2.75rem;
  line-height: 1.3;
  word-break: break-word;
  padding: 0 1rem;
  transition: color var(--transition);
}

/* Alternate side display */
.display-alt-text {
  margin-top: 0.4rem;
  font-size: 2.25rem;
  font-weight: 700;
  min-height: 2.5rem;
  letter-spacing: 0.02em;
  padding: 0 1rem;
  color: var(--text-secondary);
}

.alt-active {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.alt-inactive {
  color: var(--text-muted);
}

.alt-sep {
  color: var(--border);
  font-weight: 400;
}

.display-encouragement {
  margin-top: 1rem;
  font-size: 1.75rem;
  font-weight: 600;
  font-style: italic;
  color: var(--success);
  min-height: 2.25rem;
  line-height: 1.3;
  padding: 0 1rem;
  transition: color var(--transition);
}

/* ---- Encourage-TTS checkbox ---- */
.encourage-tts-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.encourage-tts-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  flex-shrink: 0;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .container {
    padding: 1rem 0.5rem;
  }

  .card {
    padding: 1rem;
  }

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

  .playback-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .encourage-tts-label {
    white-space: normal;
  }

  .btn-lg {
    width: 100%;
    justify-content: center;
    min-height: 2.75rem;
  }

  select,
  input[type="text"],
  input[type="number"] {
    min-height: 2.5rem;
  }

  .display-current-text {
    font-size: 1.5rem;
  }

  .display-alt-text {
    font-size: 1.75rem;
  }

  .display-encouragement {
    font-size: 1.35rem;
  }

  .display-stat-value {
    font-size: 2rem;
  }
}

/* ---- Mobile card layout for rows table ---- */
@media (max-width: 600px) {
  .table-wrap {
    overflow-x: visible;
  }

  #rows-table,
  #rows-table tbody,
  #rows-table thead,
  #rows-table tr,
  #rows-table th,
  #rows-table td {
    display: block;
  }

  #rows-table thead {
    display: none;
  }

  #rows-table tbody tr {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "text    text"
      "pause   repeat"
      "alt     actions";
    gap: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: none;
    background: var(--bg-card);
  }

  #rows-table tbody tr.playing {
    background: rgba(108, 140, 255, 0.12);
  }

  #rows-table .col-num,
  #rows-table .col-handle {
    display: none !important;
  }

  #rows-table .col-text    { grid-area: text; }
  #rows-table .col-pause   { grid-area: pause; }
  #rows-table .col-repeat  { grid-area: repeat; }
  #rows-table .col-alt     { grid-area: alt; }
  #rows-table .col-actions {
    grid-area: actions;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    padding-bottom: 0.1rem;
  }

  #rows-table td[data-label]::before {
    display: block;
    content: attr(data-label);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
  }

  #rows-table td input,
  #rows-table td select {
    min-height: 2.5rem;
    width: 100%;
  }
}