/*
  Apex Motion Engine — Composer V1
  Cool-spectrum only. No red, no green, no amber. No em-dashes.
  Inter Tight + JetBrains Mono. All animated layers use will-change:transform.
*/

/* ============================================================
   CSS CUSTOM PROPERTIES (from DO-NOT-CHANGE-EVER.md)
   ============================================================ */
:root {
  --apex-primary:    #635bff;
  --apex-hover:      #5851e6;
  --apex-gradient:   linear-gradient(135deg, #7a73ff 0%, #635bff 35%, #4f46e5 65%, #2563eb 100%);

  --accent-lilac:    #a8a3ff;
  --accent-soft:     #b8b3ff;
  --accent-pale:     #cdd2ff;
  --accent-royal:    #4f7dff;
  --accent-electric: #2563eb;

  --bg-void:         #06081a;
  --bg-abyss:        #08091a;
  --bg-deep:         #0a0c1e;
  --bg-navy:         #0a0e1f;

  --mid-deep:        #1a1f36;
  --mid-slate:       #3c4257;
  --mid-muted:       #697386;
  --mid-soft:        #8792a2;
  --mid-light:       #a4a9bd;

  --font-display:    'Inter Tight', system-ui, sans-serif;
  --font-body:       'Inter Tight', system-ui, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  --border:          rgba(122, 115, 255, .18);
  --border-active:   rgba(122, 115, 255, .42);
  --text:            #f4f5f8;
  --text-soft:       var(--mid-light);
  --text-mono:       #7a8094;
  --text-accent:     var(--accent-soft);
}

/* ============================================================
   RESET + BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg-void);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -.005em;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 10px;
  outline: none;
  transition: border-color .22s ease, box-shadow .22s ease;
  -webkit-font-smoothing: antialiased;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--border-active);
  box-shadow: 0 0 0 3px rgba(122, 115, 255, .14);
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23697386' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}

textarea {
  resize: vertical;
  min-height: 60px;
  line-height: 1.5;
}

label {
  display: block;
  font-size: 10.5px;
  font-family: var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mid-muted);
  margin-bottom: 5px;
}

/* ============================================================
   LAYOUT SHELL — THREE PANES
   ============================================================ */
#composer-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* TOP BAR */
#topbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 52px;
  background: rgba(8, 9, 26, .95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
  gap: 16px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.topbar-brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: block;
}

.topbar-brand .brand-title {
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: -.010em;
}

.topbar-brand .brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-mono);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* STATUS BADGE */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(122, 115, 255, .10);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .20em;
  text-transform: uppercase;
  color: var(--accent-pale);
}

.status-badge .blip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--apex-primary);
  box-shadow: 0 0 0 0 rgba(99, 91, 255, .55);
  animation: composer-livepulse 2.4s ease-out infinite;
  flex-shrink: 0;
}

@keyframes composer-livepulse {
  0%   { box-shadow: 0 0 0 0 rgba(99, 91, 255, .55); }
  70%  { box-shadow: 0 0 0 8px rgba(99, 91, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(99, 91, 255, 0); }
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -.005em;
  transition: all .2s ease;
  white-space: nowrap;
  cursor: pointer;
}

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

.btn-ghost:hover {
  border-color: var(--border-active);
  color: var(--text);
  background: rgba(122, 115, 255, .06);
}

.btn-primary {
  background: var(--apex-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 6px 18px -6px rgba(99, 91, 255, .55);
}

.btn-primary:hover {
  box-shadow: 0 8px 22px -6px rgba(99, 91, 255, .75);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-wire {
  background: linear-gradient(135deg, #a8a3ff, #635bff, #2563eb);
  border: none;
  color: #fff;
  box-shadow: 0 6px 22px -6px rgba(99, 91, 255, .70);
  font-size: 12.5px;
  padding: 8px 18px;
}

.btn-wire:hover {
  box-shadow: 0 8px 28px -6px rgba(99, 91, 255, .85);
  transform: translateY(-1px);
}

/* MAIN CONTENT AREA (below topbar) */
#panes {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ============================================================
   LEFT PANE — SECTION TREE (260px)
   ============================================================ */
#pane-tree {
  flex: 0 0 260px;
  width: 260px;
  display: flex;
  flex-direction: column;
  background: var(--bg-abyss);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.tree-header {
  flex-shrink: 0;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
}

.tree-header .tree-title {
  font-size: 10.5px;
  font-family: var(--font-mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-accent);
  margin-bottom: 4px;
}

.tree-header .tree-count {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  color: var(--text-mono);
}

/* SECTION TREE SCROLL */
#section_tree {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 0;
}

#section_tree::-webkit-scrollbar { width: 4px; }
#section_tree::-webkit-scrollbar-thumb {
  background: rgba(122, 115, 255, .22);
  border-radius: 2px;
}
#section_tree::-webkit-scrollbar-track { background: transparent; }

/* SECTION CARD (in tree) */
.section-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  margin: 0 8px 4px;
  border-radius: 9px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
  will-change: transform;
  user-select: none;
  position: relative;
}

.section-card:hover {
  background: rgba(122, 115, 255, .05);
  border-color: var(--border);
}

.section-card.active {
  background: rgba(122, 115, 255, .10);
  border-color: var(--border-active);
  box-shadow: 0 0 0 1px rgba(122, 115, 255, .12) inset;
}

/* Drag handle */
.section-card::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: transparent;
  transition: background .18s ease;
}

.section-card.active::before {
  background: var(--apex-primary);
}

.sc-index {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .14em;
  color: var(--text-mono);
  flex-shrink: 0;
  padding-top: 2px;
  min-width: 18px;
}

.sc-body {
  flex: 1;
  min-width: 0;
}

.sc-beat-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(122, 115, 255, .12);
  border: 1px solid rgba(122, 115, 255, .20);
  color: var(--accent-lilac);
  margin-bottom: 4px;
}

.sc-headline-preview {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
  letter-spacing: -.004em;
}

.sc-actions {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity .15s ease;
}

.section-card:hover .sc-actions {
  opacity: 1;
}

.sc-btn {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--mid-muted);
  cursor: pointer;
  transition: all .15s ease;
}

.sc-btn:hover {
  border-color: var(--border-active);
  color: var(--text);
}

.sc-btn.del:hover {
  border-color: rgba(122, 115, 255, .5);
  color: var(--accent-lilac);
}

/* ADD SECTION BUTTON */
#add-section-btn {
  flex-shrink: 0;
  margin: 8px 12px 12px;
  padding: 10px;
  border-radius: 9px;
  border: 1px dashed rgba(122, 115, 255, .28);
  background: transparent;
  color: var(--mid-muted);
  font-size: 12px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: -.004em;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

#add-section-btn:hover {
  border-color: var(--border-active);
  color: var(--accent-pale);
  background: rgba(122, 115, 255, .04);
}

.add-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1;
  flex-shrink: 0;
}

/* ============================================================
   MIDDLE PANE — CONFIGURATOR
   ============================================================ */
#pane-config {
  flex: 0 0 380px;
  width: 380px;
  display: flex;
  flex-direction: column;
  background: var(--bg-deep);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.config-header {
  flex-shrink: 0;
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.config-header-left {
  min-width: 0;
}

.config-section-id {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--apex-primary);
  padding: 2px 8px;
  background: rgba(122, 115, 255, .10);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 4px;
}

.config-section-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.008em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.config-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 40px 24px;
  text-align: center;
  color: var(--mid-muted);
}

.config-empty .empty-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(122, 115, 255, .05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 4px;
}

.config-empty p {
  font-size: 13px;
  line-height: 1.6;
  max-width: 22ch;
  margin: 0;
}

/* CONFIG FORM SCROLL */
#config-form {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 18px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#config-form::-webkit-scrollbar { width: 4px; }
#config-form::-webkit-scrollbar-thumb {
  background: rgba(122, 115, 255, .22);
  border-radius: 2px;
}
#config-form::-webkit-scrollbar-track { background: transparent; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Dwell slider */
.slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slider-val {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .10em;
  color: var(--text-accent);
  min-width: 52px;
  text-align: right;
}

input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--mid-deep);
  outline: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--apex-gradient);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(99, 91, 255, .55);
  transition: transform .15s ease, box-shadow .15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 14px rgba(99, 91, 255, .75);
}

/* DIVIDER */
.form-divider {
  height: 1px;
  background: var(--border);
  margin: 2px 0;
}

/* ============================================================
   T7: INLINE COMPONENT GENERATION PANEL
   ============================================================ */
.inline-gen-wrap {
  gap: 8px;
}

.btn-generate-new {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 7px 11px;
  background: transparent;
  color: var(--text-accent);
  border: 1px dashed var(--border-active);
  border-radius: 7px;
  font: 600 12px var(--font-mono, monospace);
  letter-spacing: .04em;
  cursor: pointer;
  transition: all .18s ease;
}

.btn-generate-new:hover {
  border-color: #7a73ff;
  color: #fff;
  background: rgba(122, 115, 255, .08);
  box-shadow: 0 0 0 1px rgba(122, 115, 255, .25), 0 4px 14px -6px rgba(99, 91, 255, .45);
}

.btn-generate-new.is-open {
  background: rgba(122, 115, 255, .10);
  border-style: solid;
  color: #fff;
}

.inline-gen-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(10, 13, 32, .55);
}

.inline-gen-panel[hidden] { display: none; }

.inline-gen-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.igen-chip {
  padding: 4px 9px;
  font: 500 10.5px var(--font-mono, monospace);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-accent);
  background: rgba(122, 115, 255, .06);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
}

.igen-chip:hover {
  border-color: var(--border-active);
  color: #fff;
  background: rgba(122, 115, 255, .14);
}

.igen-chip.is-active {
  background: var(--apex-gradient);
  color: #fff;
  border-color: transparent;
}

.inline-gen-text {
  width: 100%;
  min-height: 64px;
  padding: 9px 11px;
  font: 400 12.5px var(--font-sans, system-ui);
  color: #e8eaf3;
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: 7px;
  resize: vertical;
  box-sizing: border-box;
}

.inline-gen-text:focus {
  outline: none;
  border-color: var(--border-active);
  box-shadow: 0 0 0 2px rgba(122, 115, 255, .18);
}

.inline-gen-row {
  display: flex;
  gap: 8px;
}

.btn-inline-gen-submit {
  flex: 1;
  padding: 8px 12px;
  font: 600 12px var(--font-mono, monospace);
  letter-spacing: .05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--apex-gradient);
  border: none;
  border-radius: 7px;
  cursor: pointer;
  box-shadow: 0 4px 14px -6px rgba(99, 91, 255, .55);
  transition: transform .15s ease, box-shadow .15s ease;
}

.btn-inline-gen-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -6px rgba(99, 91, 255, .75);
}

.btn-inline-gen-submit:disabled {
  opacity: .55;
  cursor: progress;
}

.btn-inline-gen-close {
  padding: 8px 12px;
  font: 500 11.5px var(--font-mono, monospace);
  color: var(--text-accent);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
  transition: all .15s ease;
}

.btn-inline-gen-close:hover {
  border-color: var(--border-active);
  color: #fff;
}

.inline-gen-status {
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--text-accent);
  min-height: 14px;
}

.inline-gen-status.is-err { color: #ff8d8d; }

.inline-gen-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 2px;
}

.igen-card {
  position: relative;
  padding: 10px 12px;
  background: rgba(122, 115, 255, .06);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all .15s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.igen-card:hover {
  border-color: var(--border-active);
  background: rgba(122, 115, 255, .12);
  transform: translateY(-1px);
}

.igen-card.is-pending {
  cursor: progress;
  opacity: .55;
  border-style: dashed;
}

.igen-card.is-bound {
  border-color: #7a73ff;
  background: rgba(122, 115, 255, .18);
  box-shadow: 0 0 0 1px rgba(122, 115, 255, .35);
}

.igen-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.igen-card-slot {
  font: 600 10.5px var(--font-mono, monospace);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-accent);
}

.igen-card-status {
  font: 500 10px var(--font-mono, monospace);
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(122, 115, 255, .12);
  color: var(--text-accent);
}

.igen-card-status.is-shipped { background: rgba(46, 196, 182, .18); color: #6fe3d1; }
.igen-card-status.is-failed  { background: rgba(133, 133, 133, .20); color: #b8b8b8; }

.igen-card-pass {
  align-self: flex-start;
  padding: 4px 10px;
  font: 600 10.5px var(--font-mono, monospace);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(122, 115, 255, .35);
  border: 1px solid var(--border-active);
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
}

.igen-card-pass:hover {
  background: var(--apex-gradient);
  border-color: transparent;
}

.igen-card-pass.is-passed {
  background: rgba(46, 196, 182, .25);
  border-color: rgba(46, 196, 182, .45);
  cursor: default;
}

/* CONFIG FOOTER */
.config-footer {
  flex-shrink: 0;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}

.config-footer .btn-save {
  flex: 1;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  background: var(--apex-gradient);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 6px 18px -6px rgba(99, 91, 255, .55);
}

.config-footer .btn-save:hover {
  box-shadow: 0 8px 22px -6px rgba(99, 91, 255, .75);
  transform: translateY(-1px);
}

/* ============================================================
   RIGHT PANE — LIVE PREVIEW
   ============================================================ */
#pane-preview {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-void);
  overflow: hidden;
  min-width: 0;
}

.preview-toolbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 48px;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 9, 26, .85);
  gap: 14px;
}

.preview-toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-title {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-accent);
}

/* VIEWPORT TOGGLE */
.viewport-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(122, 115, 255, .06);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.vp-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mid-muted);
  cursor: pointer;
  transition: all .18s ease;
  border: none;
  background: transparent;
  border-radius: 0;
}

.vp-btn:hover { color: var(--text-soft); }

.vp-btn.active {
  background: rgba(122, 115, 255, .14);
  color: var(--accent-pale);
}

.vp-icon {
  width: 14px;
  height: 10px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  display: inline-block;
  flex-shrink: 0;
}

.vp-icon.mobile {
  width: 8px;
  height: 12px;
  border-radius: 2px;
}

.vp-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
  flex-shrink: 0;
}

/* PREVIEW SCROLL CONTROLS */
.preview-toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.scroll-speed-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.scroll-speed-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mono);
}

.scroll-speed-val {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .10em;
  color: var(--text-accent);
  min-width: 30px;
}

input[type="range"].speed-slider {
  width: 72px;
  height: 3px;
}

/* PAUSE INDICATOR */
.pause-indicator {
  display: none;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-pale);
  opacity: 0;
  transition: opacity .25s ease;
}

.pause-indicator.visible {
  display: flex;
  opacity: 1;
}

/* PREVIEW STAGE */
#preview-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
  position: relative;
  will-change: transform;
}

/* Phone frame (mobile mode) */
#preview-frame-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .35s cubic-bezier(.25,.8,.25,1);
  will-change: transform, opacity;
}

#preview-frame-wrap.desktop-mode #preview-iframe {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, .7), 0 0 0 1px var(--border);
}

#preview-frame-wrap.mobile-mode {
  width: 390px; /* 390px locked for mobile viewport */
  flex-shrink: 0;
}

#preview-frame-wrap.mobile-mode #preview-iframe {
  width: 390px;
  border-radius: 40px;
  box-shadow:
    0 0 0 8px #0a0e1f,
    0 0 0 10px var(--mid-deep),
    0 30px 80px -20px rgba(0, 0, 0, .9);
}

/* Phone notch bar for mobile mode */
#preview-frame-wrap.mobile-mode::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #0a0e1f;
  border-radius: 0 0 20px 20px;
  z-index: 10;
  pointer-events: none;
}

#preview-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* EMPTY PREVIEW STATE */
#preview-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--mid-muted);
  text-align: center;
  padding: 40px;
  pointer-events: none;
}

#preview-empty .ep-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(122, 115, 255, .04);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

#preview-empty p {
  font-size: 13px;
  line-height: 1.6;
  max-width: 26ch;
  margin: 0;
}

/* ============================================================
   DRAG-AND-DROP STATES
   ============================================================ */
.section-card.dragging {
  opacity: .45;
  border-color: var(--border-active);
}

.section-card.drag-over {
  background: rgba(122, 115, 255, .12);
  border-color: var(--apex-primary);
  box-shadow: 0 0 0 1px rgba(122, 115, 255, .22) inset;
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: 10px;
  background: rgba(10, 14, 31, .96);
  border: 1px solid var(--border-active);
  box-shadow: 0 8px 28px -8px rgba(0, 0, 0, .6);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  pointer-events: auto;
  will-change: transform, opacity;
  transform: translateX(120%);
  opacity: 0;
  min-width: 240px;
  max-width: 360px;
}

.toast-blip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.toast.info .toast-blip { background: var(--apex-primary); }
.toast.deploy .toast-blip { background: var(--accent-royal); }
.toast.saved .toast-blip { background: var(--accent-lilac); }

/* ============================================================
   DEPLOY MODAL
   ============================================================ */
#deploy-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: rgba(6, 8, 26, .80);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

#deploy-modal-overlay.is-open { pointer-events: auto; }

#deploy-modal {
  width: 100%;
  max-width: 520px;
  background: var(--bg-navy);
  border: 1px solid var(--border-active);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 40px 120px -24px rgba(0, 0, 0, .7);
  will-change: transform, opacity;
}

.deploy-header {
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--border);
}

.deploy-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.deploy-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.012em;
}

.deploy-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--mid-muted);
  font-size: 14px;
  transition: all .2s ease;
}

.deploy-close:hover {
  border-color: var(--border-active);
  color: var(--text);
}

.deploy-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.deploy-log {
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--mid-light);
  min-height: 140px;
  max-height: 220px;
  overflow-y: auto;
}

.deploy-log::-webkit-scrollbar { width: 4px; }
.deploy-log::-webkit-scrollbar-thumb { background: rgba(122, 115, 255, .22); border-radius: 2px; }
.deploy-log::-webkit-scrollbar-track { background: transparent; }

.deploy-log .dlog-line { display: block; }
.deploy-log .dlog-tag  { color: var(--apex-primary); }
.deploy-log .dlog-ok   { color: var(--accent-lilac); }
.deploy-log .dlog-url  { color: var(--accent-royal); text-decoration: underline; text-underline-offset: 3px; }

.deploy-url-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(122, 115, 255, .06);
  border: 1px solid var(--border-active);
  border-radius: 9px;
  display: none;
}

.deploy-url-row.visible { display: flex; }

.deploy-url-text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--accent-royal);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.deploy-copy-btn {
  flex-shrink: 0;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(122, 115, 255, .14);
  border: 1px solid var(--border);
  color: var(--accent-pale);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s ease;
}

.deploy-copy-btn:hover {
  background: rgba(122, 115, 255, .22);
  border-color: var(--border-active);
  color: var(--text);
}

/* ============================================================
   VERSIONS + DIFF MODALS (U10)
   Reuses deploy-modal aesthetic but wider and with row list.
   ============================================================ */
#versions-modal-overlay,
#diff-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 8100;
  background: rgba(6, 8, 26, .80);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

#versions-modal-overlay.is-open,
#diff-modal-overlay.is-open { pointer-events: auto; }

#versions-modal {
  width: 100%;
  max-width: 720px;
  background: var(--bg-navy);
  border: 1px solid var(--border-active);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 40px 120px -24px rgba(0, 0, 0, .7);
  will-change: transform, opacity;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

#diff-modal {
  width: 100%;
  max-width: 900px;
  background: var(--bg-navy);
  border: 1px solid var(--border-active);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 40px 120px -24px rgba(0, 0, 0, .7);
  will-change: transform, opacity;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

.versions-funnel-row {
  margin-top: 8px;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mid-muted);
}

.versions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 52vh;
  overflow-y: auto;
  padding-right: 4px;
}

.versions-list::-webkit-scrollbar { width: 4px; }
.versions-list::-webkit-scrollbar-thumb { background: rgba(122, 115, 255, .22); border-radius: 2px; }
.versions-list::-webkit-scrollbar-track { background: transparent; }

.version-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color .2s ease, background .2s ease;
}

.version-row:hover { border-color: var(--border-active); }

.version-row.is-latest {
  border-color: rgba(122, 115, 255, .35);
  background: rgba(122, 115, 255, .05);
}

.version-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.version-meta .version-id {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent-pale);
  letter-spacing: .03em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.version-meta .version-when {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mid-muted);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.version-meta .version-url {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent-royal);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 380px;
}

.version-meta .version-url:hover { text-decoration: underline; }

.version-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--apex-primary);
  padding: 2px 7px;
  border: 1px solid rgba(122, 115, 255, .35);
  border-radius: 99px;
  margin-left: 8px;
}

.version-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.version-btn {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 7px 12px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: rgba(122, 115, 255, .08);
  color: var(--accent-pale);
  cursor: pointer;
  transition: all .2s ease;
}

.version-btn:hover {
  border-color: var(--border-active);
  background: rgba(122, 115, 255, .18);
  color: var(--text);
}

.version-btn.is-primary {
  background: var(--apex-gradient);
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px -4px rgba(99, 91, 255, .55);
}

.version-btn.is-primary:hover {
  box-shadow: 0 6px 16px -4px rgba(99, 91, 255, .75);
  transform: translateY(-1px);
}

.version-btn[disabled],
.version-btn.is-disabled {
  opacity: .45;
  cursor: not-allowed;
}

.versions-empty {
  text-align: center;
  padding: 32px 12px;
  color: var(--mid-muted);
  font-size: 12px;
  letter-spacing: .04em;
}

.diff-output {
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  letter-spacing: .03em;
  color: var(--mid-light);
  min-height: 220px;
  max-height: 58vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

.diff-output::-webkit-scrollbar { width: 4px; }
.diff-output::-webkit-scrollbar-thumb { background: rgba(122, 115, 255, .22); border-radius: 2px; }

.diff-line-add { color: var(--accent-lilac); }
.diff-line-del { color: var(--mid-soft); text-decoration: line-through; text-decoration-color: rgba(122, 115, 255, .35); }
.diff-line-hdr { color: var(--apex-primary); font-weight: 600; }
.diff-line-ctx { color: var(--mid-muted); }

/* ============================================================
   AUTOSAVE INDICATOR (top bar)
   ============================================================ */
#autosave-indicator {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mono);
  transition: color .3s ease, opacity .3s ease;
  opacity: .65;
}

#autosave-indicator.saving { color: var(--accent-pale); opacity: 1; }
#autosave-indicator.saved  { color: var(--accent-lilac); opacity: 1; }