/* ================================================================
   Cine SFX Studio — Styles
   Dark professional audio tool theme
   ================================================================ */

:root {
  --bg:          #0d1117;
  --bg-surface:  #161b22;
  --bg-elevated: #1c2333;
  --border:      rgba(255,255,255,0.08);
  --text:        #e6edf3;
  --text-dim:    #8b949e;
  --accent:      #00d4ff;
  --accent-dim:  rgba(0,212,255,0.15);
  --accent-glow: rgba(0,212,255,0.35);
  --danger:      #ff4757;
  --success:     #2dde98;
  --radius:      8px;
  --radius-sm:   4px;
}

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

html { font-size: 14px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ---- HEADER ---- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.logo-accent { color: var(--accent); }

.transport {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn:hover { border-color: var(--accent); background: var(--accent-dim); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; pointer-events: none; }

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: #33ddff; border-color: #33ddff; }

.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

.shortcuts-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 4px;
}

.shortcuts-hint kbd {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: inherit;
  font-size: 0.7rem;
}

/* ---- MAIN LAYOUT ---- */
.main-content {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ---- SIDEBAR (Presets) ---- */
.sidebar {
  width: 260px;
  min-width: 220px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  min-height: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: 12px 14px 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}

.preset-search {
  margin: 0 12px 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
}
.preset-search:focus { border-color: var(--accent); }
.preset-search::placeholder { color: var(--text-dim); }

.tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0 12px 10px;
}

.tag-btn {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.15s;
}
.tag-btn:hover { border-color: var(--accent); color: var(--accent); }
.tag-btn.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.preset-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px;
}

.preset-item {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.1s;
  margin-bottom: 2px;
}
.preset-item:hover { background: var(--bg-elevated); }
.preset-item.active { background: var(--accent-dim); border-left: 3px solid var(--accent); }

.preset-name {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 3px;
}

.preset-tags-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.tag-pill {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  color: var(--text-dim);
}

.preset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.btn-save {
  width: 100%;
  justify-content: center;
  background: linear-gradient(135deg, rgba(45,222,152,0.12), rgba(0,212,255,0.12));
  border-color: rgba(45,222,152,0.4);
  color: var(--success);
  font-weight: 600;
}
.btn-save:hover {
  background: linear-gradient(135deg, rgba(45,222,152,0.25), rgba(0,212,255,0.25));
  border-color: var(--success);
}

/* Custom preset items */
.preset-item.custom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.preset-item.custom .preset-left {
  flex: 1;
  min-width: 0;
}

.preset-delete {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0;
  transition: all 0.15s;
}
.preset-item.custom:hover .preset-delete { opacity: 1; }
.preset-delete:hover { background: rgba(255,71,87,0.2); color: var(--danger); }

.custom-divider {
  padding: 8px 10px 4px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--success);
  font-weight: 600;
  border-top: 1px solid var(--border);
  margin-top: 6px;
}

/* ---- CONTROLS PANEL ---- */
.controls-panel {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Waveform */
.waveform-container {
  width: 100%;
  height: 100px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}

.waveform-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Controls grid */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 1100px) {
  .controls-grid { grid-template-columns: 1fr; }
}

.section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  cursor: default;
}

.section-title {
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title .icon {
  font-size: 1rem;
  opacity: 0.7;
}

.section-controls {
  padding: 10px 14px 14px;
  transition: opacity 0.2s;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.control-row:last-child { margin-bottom: 0; }

.control-label {
  min-width: 80px;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.control-label[title] {
  cursor: help;
  border-bottom: 1px dotted var(--text-dim);
}

.control-input {
  flex: 1;
  min-width: 0;
}

.control-value {
  min-width: 55px;
  text-align: right;
  font-size: 0.8rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg);
  box-shadow: 0 0 4px var(--accent-glow);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg);
  box-shadow: 0 0 4px var(--accent-glow);
}

input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Select */
select {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
  outline: none;
}
select:focus { border-color: var(--accent); }

/* Checkbox toggle */
.toggle {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

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

.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  left: 2px;
  top: 2px;
  transition: transform 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

/* Number input */
input[type="number"] {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
  width: 80px;
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }
input[type="number"]:focus { border-color: var(--accent); }

/* ---- Global section (Duration + Seed) ---- */
.global-section {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.global-card {
  flex: 1;
  min-width: 200px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.global-card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

/* ---- EXPORT BAR ---- */
.export-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 50;
}

/* Reserve space for the fixed export bar */
body {
  padding-bottom: 56px;
}

.export-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.export-label {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Status message */
.status-msg {
  position: fixed;
  bottom: 76px;
  right: 20px;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  pointer-events: none;
  z-index: 100;
}

.status-msg.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .main-content { flex-direction: column; }
  .sidebar {
    width: 100%;
    max-height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .controls-grid { grid-template-columns: 1fr; }
  .header { flex-wrap: wrap; gap: 8px; }
  .shortcuts-hint { display: none; }
  .export-bar { flex-direction: column; align-items: flex-start; }
}

/* ---- Animations ---- */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 rgba(0,212,255,0); }
  50% { box-shadow: 0 0 12px var(--accent-glow); }
}

.btn-primary:not(:disabled) {
  animation: pulse 2s infinite;
}

/* ---- Section spanning full width ---- */
.section.full-width {
  grid-column: 1 / -1;
}

/* ---- Seed row ---- */
.seed-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.seed-row input[type="number"] {
  flex: 1;
}

/* Duration nudge buttons */
.btn-nudge {
  width: 28px;
  height: 28px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  border-radius: 50%;
}

/* Random sound button */
.btn-random {
  width: 100%;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(157,0,255,0.12));
  border-color: rgba(0,212,255,0.4);
  color: var(--accent);
  font-weight: 600;
}
.btn-random:hover {
  background: linear-gradient(135deg, rgba(0,212,255,0.25), rgba(157,0,255,0.25));
  border-color: var(--accent);
}

.btn-random-impact {
  background: linear-gradient(135deg, rgba(255,140,0,0.12), rgba(255,60,60,0.12));
  border-color: rgba(255,140,0,0.4);
  color: var(--accent-impact);
}
.btn-random-impact:hover {
  background: linear-gradient(135deg, rgba(255,140,0,0.25), rgba(255,60,60,0.25));
  border-color: var(--accent-impact);
}

.btn-random-braam {
  background: linear-gradient(135deg, rgba(160,80,255,0.12), rgba(255,60,200,0.12));
  border-color: rgba(160,80,255,0.4);
  color: var(--accent-braam);
}
.btn-random-braam:hover {
  background: linear-gradient(135deg, rgba(160,80,255,0.25), rgba(255,60,200,0.25));
  border-color: var(--accent-braam);
}

/* ---- MODE TOGGLE ---- */
.mode-toggle-container {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}

.mode-btn {
  padding: 6px 16px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.mode-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.mode-btn.active[data-mode="whoosh"] {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

.mode-btn.active[data-mode="impact"] {
  background: rgba(255,140,0,0.15);
  color: var(--accent-impact);
  font-weight: 600;
}
.mode-btn.active[data-mode=\"braam\"] {
  background: rgba(160,80,255,0.15);
  color: var(--accent-braam);
  font-weight: 600;
}
/* ---- MODE PANEL ---- */
.mode-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---- IMPACT MODE ACCENT ---- */
:root {
  --accent-impact: #ff8c00;
  --accent-impact-dim: rgba(255,140,0,0.15);
  --accent-impact-glow: rgba(255,140,0,0.35);
  --accent-braam: #a050ff;
  --accent-braam-dim: rgba(160,80,255,0.15);
  --accent-braam-glow: rgba(160,80,255,0.35);
}

body.impact-mode .logo-accent { color: var(--accent-impact); }
body.impact-mode .logo-icon { background: var(--accent-impact); }

body.impact-mode .controls-panel .section-header {
  border-bottom-color: rgba(255,140,0,0.15);
}

body.impact-mode .btn-primary {
  background: var(--accent-impact);
  border-color: var(--accent-impact);
}
body.impact-mode .btn-primary:hover {
  background: #ffa333;
  border-color: #ffa333;
}

body.impact-mode .control-value {
  color: var(--accent-impact);
}

body.impact-mode input[type="range"]::-webkit-slider-thumb {
  background: var(--accent-impact);
  box-shadow: 0 0 4px var(--accent-impact-glow);
}

body.impact-mode input[type="range"]::-moz-range-thumb {
  background: var(--accent-impact);
  box-shadow: 0 0 4px var(--accent-impact-glow);
}

body.impact-mode .toggle input:checked + .toggle-slider {
  background: var(--accent-impact);
}

body.impact-mode .tag-btn:hover,
body.impact-mode .tag-btn.active {
  border-color: var(--accent-impact);
  color: var(--accent-impact);
}
body.impact-mode .tag-btn.active {
  background: var(--accent-impact-dim);
}

body.impact-mode .preset-item.active {
  background: var(--accent-impact-dim);
  border-left-color: var(--accent-impact);
}

body.impact-mode .btn:hover {
  border-color: var(--accent-impact);
  background: var(--accent-impact-dim);
}

body.impact-mode .preset-search:focus,
body.impact-mode select:focus,
body.impact-mode input[type="number"]:focus {
  border-color: var(--accent-impact);
}

body.impact-mode .status-msg {
  border-color: var(--accent-impact);
  color: var(--accent-impact);
}

body.impact-mode .waveform-container canvas {
  /* override waveform color via JS */
}

@keyframes pulse-impact {
  0%, 100% { box-shadow: 0 0 0 rgba(255,140,0,0); }
  50% { box-shadow: 0 0 12px var(--accent-impact-glow); }
}

body.impact-mode .btn-primary:not(:disabled) {
  animation: pulse-impact 2s infinite;
}

/* ---- BRAAM MODE ACCENT ---- */

body.braam-mode .logo-accent { color: var(--accent-braam); }
body.braam-mode .logo-icon { background: var(--accent-braam); }

body.braam-mode .controls-panel .section-header {
  border-bottom-color: rgba(160,80,255,0.15);
}

body.braam-mode .btn-primary {
  background: var(--accent-braam);
  border-color: var(--accent-braam);
}
body.braam-mode .btn-primary:hover {
  background: #b370ff;
  border-color: #b370ff;
}

body.braam-mode .control-value {
  color: var(--accent-braam);
}

body.braam-mode input[type="range"]::-webkit-slider-thumb {
  background: var(--accent-braam);
  box-shadow: 0 0 4px var(--accent-braam-glow);
}

body.braam-mode input[type="range"]::-moz-range-thumb {
  background: var(--accent-braam);
  box-shadow: 0 0 4px var(--accent-braam-glow);
}

body.braam-mode .toggle input:checked + .toggle-slider {
  background: var(--accent-braam);
}

body.braam-mode .tag-btn:hover,
body.braam-mode .tag-btn.active {
  border-color: var(--accent-braam);
  color: var(--accent-braam);
}
body.braam-mode .tag-btn.active {
  background: var(--accent-braam-dim);
}

body.braam-mode .preset-item.active {
  background: var(--accent-braam-dim);
  border-left-color: var(--accent-braam);
}

body.braam-mode .btn:hover {
  border-color: var(--accent-braam);
  background: var(--accent-braam-dim);
}

body.braam-mode .preset-search:focus,
body.braam-mode select:focus,
body.braam-mode input[type="number"]:focus {
  border-color: var(--accent-braam);
}

body.braam-mode .status-msg {
  border-color: var(--accent-braam);
  color: var(--accent-braam);
}

@keyframes pulse-braam {
  0%, 100% { box-shadow: 0 0 0 rgba(160,80,255,0); }
  50% { box-shadow: 0 0 12px var(--accent-braam-glow); }
}

body.braam-mode .btn-primary:not(:disabled) {
  animation: pulse-braam 2s infinite;
}