/* ============================================================
   Peptity Reddit Monitor — app.css
   Brand tokens and component styles per docs/brandbook.md
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap');

/* --- Design Tokens (brandbook §Color System, §Typography, §Spacing) --- */
:root {
  /* Background */
  --bg-base:     #0d0f14;
  --bg-surface:  #161b22;
  --bg-elevated: #1c2333;
  --bg-hover:    #242d3e;

  /* Borders */
  --border:        #2d3748;
  --border-subtle: #1f2937;

  /* Text */
  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #4a5568;

  /* Accent */
  --accent:      #6366f1;
  --accent-hover:#4f46e5;
  --accent-dim:  #312e81;

  /* Score badges */
  --score-green:    #22c55e;
  --score-green-bg: #14532d;
  --score-amber:    #f59e0b;
  --score-amber-bg: #451a03;
  --score-red:      #ef4444;
  --score-red-bg:   #450a0a;

  /* Semantic */
  --success:  #10b981;
  --warning:  #f59e0b;
  --error:    #ef4444;
  --toast-bg: #1e2d40;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --text-xs:   11px;
  --text-sm:   13px;
  --text-base: 14px;
  --text-md:   15px;
  --text-lg:   18px;
  --text-xl:   22px;
  --font-normal:   400;
  --font-medium:   500;
  --font-semibold: 600;

  /* Spacing */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
}

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

html { font-size: var(--text-base); }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Layout --- */
.app-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: 100;
}

.app-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-semibold);
  font-size: var(--text-md);
  color: var(--text-primary);
}

.app-nav__brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.app-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Main content wrapper — offset for fixed nav */
.app-body {
  margin-top: 56px;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-6);
}

/* --- Tab Bar --- */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  position: sticky;
  top: 56px;
  z-index: 90;
  margin: 0 calc(-1 * var(--space-6));
  padding: 0 var(--space-6);
}

.tab-btn {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 150ms, border-color 150ms, background 150ms;
  white-space: nowrap;
  margin-bottom: -1px;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.tab-btn.active {
  color: var(--text-primary);
  font-weight: var(--font-semibold);
  border-bottom-color: var(--accent);
}

/* --- Tab Panels --- */
.tab-panel { display: none; padding: var(--space-6) 0 var(--space-10); }
.tab-panel.active { display: block; }

/* --- Status Bar (Results tab, below tab bar) --- */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.status-bar__item { display: flex; align-items: center; gap: var(--space-2); }

.status-indicator {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
}
.status-indicator.running { background: var(--score-amber); animation: pulse 1.2s ease-in-out infinite; }
.status-indicator.ok { background: var(--success); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* --- Section Header --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.section-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.filter-bar__label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.filter-bar__group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --- Inputs --- */
input[type="text"],
input[type="url"],
input[type="number"],
select,
textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  outline: none;
  transition: border-color 150ms, box-shadow 150ms;
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim), 0 0 0 1px var(--accent);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

textarea { resize: vertical; line-height: 1.6; }

/* Range slider */
input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  height: 4px;
  background: var(--bg-elevated);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-base);
  transition: background 150ms;
}
input[type="range"]::-webkit-slider-thumb:hover { background: var(--accent-hover); }
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-base);
}
input[type="range"]:focus { box-shadow: none; border: none; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 150ms, color 150ms, opacity 150ms;
  white-space: nowrap;
  line-height: 1;
}

.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: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-danger {
  background: transparent;
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover:not(:disabled) { background: rgba(239, 68, 68, 0.1); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: var(--space-1) var(--space-2);
  border: none;
}
.btn-ghost:hover:not(:disabled) { color: var(--text-primary); }

.btn-sm {
  padding: 5px var(--space-3);
  font-size: var(--text-xs);
}

/* --- Spinner (brandbook §Spinner) --- */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
.spinner-lg {
  width: 24px; height: 24px;
  border-width: 3px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Score Badge (brandbook §Score Badges) --- */
.score-badge {
  display: inline-block;
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.02em;
}
.score-badge.green { color: var(--score-green); background: var(--score-green-bg); }
.score-badge.amber { color: var(--score-amber); background: var(--score-amber-bg); }
.score-badge.red   { color: var(--score-red);   background: var(--score-red-bg); }

/* --- Tables (brandbook §Tables) --- */
.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table thead tr {
  background: var(--bg-elevated);
}

.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 10px 14px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.data-table tbody tr { background: var(--bg-surface); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-hover); }

.data-table .cell-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.data-table .cell-dim { color: var(--text-secondary); }

/* Post title cell */
.post-title-link {
  color: var(--text-primary);
  font-weight: var(--font-medium);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 360px;
}
.post-title-link:hover { color: var(--accent); text-decoration: none; }

/* Reason text */
.reason-text {
  color: var(--text-secondary);
  font-size: var(--text-xs);
  max-width: 280px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Webhook checkmark */
.checkmark { color: var(--success); font-size: 15px; }
.dash { color: var(--text-muted); }

/* --- Empty / Loading states --- */
.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.table-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* --- Cards / Panels --- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.card + .card { margin-top: var(--space-4); }

/* --- Form Layout --- */
.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.form-row .form-group { flex: 1; }

input[type="text"].full,
input[type="url"].full,
textarea.full,
select.full {
  width: 100%;
}

/* Slider + value display row */
.slider-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.slider-row input[type="range"] { flex: 1; }
.slider-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  min-width: 32px;
  text-align: right;
}

/* --- Toggle Switch (brandbook §Toggle Switch) --- */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.toggle {
  position: relative;
  width: 40px; height: 22px;
  flex-shrink: 0;
}

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

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: background 200ms, border-color 200ms;
  cursor: pointer;
}

.toggle input:checked + .toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 2px; top: 2px;
  background: white;
  border-radius: 50%;
  transition: transform 200ms;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.toggle input:checked + .toggle-track::after {
  transform: translateX(18px);
}

.toggle-label {
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
}

/* --- Search Terms List --- */
.terms-list { display: flex; flex-direction: column; gap: var(--space-2); }

.term-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: background 150ms;
}

.term-item:hover { background: var(--bg-hover); }

.term-item__text {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.term-item__text.inactive { color: var(--text-muted); text-decoration: line-through; }

.term-item__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --- Add Term Row --- */
.add-term-row {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.add-term-row input { flex: 1; }

/* --- Generate Terms Section --- */
.generate-section {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

.section-subtitle {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.objective-preview {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

/* --- Modal (brandbook §Modals) --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  transform: translateY(8px);
  transition: transform 200ms;
}

.modal-backdrop.open .modal { transform: translateY(0); }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.modal__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.modal__body {
  overflow-y: auto;
  flex: 1;
  margin-bottom: var(--space-5);
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

/* Suggested terms checklist */
.terms-checklist { display: flex; flex-direction: column; gap: var(--space-2); }

.term-check-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 150ms;
}
.term-check-item:hover { background: var(--bg-elevated); }

.term-check-item input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px; height: 15px;
  cursor: pointer;
  flex-shrink: 0;
}

.term-check-item label {
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
}

/* --- Toast (brandbook §Status / Toast) --- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--toast-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-primary);
  z-index: 300;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transform: translateY(80px);
  opacity: 0;
  transition: transform 250ms ease, opacity 250ms ease;
  pointer-events: none;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon { font-size: 15px; }

/* --- Run Log tab --- */
.run-error-cell {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--error);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Config tab save row --- */
.save-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  margin-top: var(--space-6);
}

/* --- Subreddit / term pills --- */
.pill {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Focus ring for accessibility (brandbook §Accessibility) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Responsive (brandbook §Responsive Breakpoints) --- */
@media (max-width: 1024px) {
  .data-table-wrap { overflow-x: auto; }
  .filter-bar { gap: var(--space-3); }
}

@media (max-width: 768px) {
  .app-body { padding: 0 var(--space-4); }
  .tab-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .status-bar { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .section-header { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
  .form-row { flex-direction: column; }
  .data-table th:nth-child(n+5),
  .data-table td:nth-child(n+5) { display: none; }
}