/* LUMINA v2 */

:root {
  --bg-base: hsl(222, 25%, 8%);
  --bg-card: hsla(222, 20%, 15%, 0.48);
  --bg-card-strong: hsla(222, 20%, 18%, 0.72);
  --bg-card-hover: hsla(222, 20%, 20%, 0.68);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --text-primary: hsl(0, 0%, 95%);
  --text-secondary: hsl(218, 12%, 68%);
  --text-muted: hsl(218, 10%, 48%);
  --accent-primary: hsl(210, 100%, 56%);
  --accent-primary-glow: hsla(210, 100%, 56%, 0.35);
  --accent-success: hsl(142, 70%, 45%);
  --accent-danger: hsl(354, 70%, 54%);
  --accent-warning: hsl(38, 92%, 50%);
  --bulb-color-default: hsl(38, 100%, 65%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.42);
  --blur-panel: blur(16px);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Outfit', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  border: none;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.22;
  z-index: -1;
  pointer-events: none;
  animation: float 20s infinite alternate ease-in-out;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, hsl(210, 100%, 50%) 0%, transparent 80%);
  top: -50px;
  left: -100px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsl(280, 100%, 50%) 0%, transparent 80%);
  bottom: 50px;
  right: -100px;
  animation-delay: -5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, hsl(15, 100%, 50%) 0%, transparent 80%);
  top: 40%;
  left: 45%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.15); }
}

.app-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.glass-panel,
.app-header,
.glass-modal .modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  backdrop-filter: var(--blur-panel);
  -webkit-backdrop-filter: var(--blur-panel);
  box-shadow: var(--shadow-md);
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.35rem 1.6rem;
  gap: 1rem;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-icon {
  width: 42px;
  height: 42px;
  color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.15);
  padding: 8px;
  border-radius: 14px;
  box-shadow: 0 0 15px var(--accent-primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
}

.header-logo h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #fff 30%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.header-logo h1 span {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--text-secondary);
  -webkit-text-fill-color: var(--text-secondary);
  text-transform: uppercase;
  margin-top: 3px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.52rem 1rem;
  border-radius: 50px;
  font-size: 0.86rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.status-indicator::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  transform: scale(1);
  opacity: 0.7;
}

.status-demo {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-warning);
  border-color: rgba(245, 158, 11, 0.24);
}
.status-demo .status-indicator { background-color: var(--accent-warning); }
.status-demo .status-indicator::after { animation: pulse-orange 2s infinite; }

.status-real {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border-color: rgba(16, 185, 129, 0.24);
}
.status-real .status-indicator { background-color: var(--accent-success); }
.status-real .status-indicator::after { animation: pulse-green 2s infinite; }

.status-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-danger);
  border-color: rgba(239, 68, 68, 0.24);
}
.status-error .status-indicator { background-color: var(--accent-danger); }

@keyframes pulse-orange {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(2.2); opacity: 0; }
}
@keyframes pulse-green {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(2.2); opacity: 0; }
}

.btn-settings {
  width: 42px;
  height: 42px;
  background: var(--bg-card-strong);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-settings:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: rotate(35deg);
}

.btn-settings svg {
  width: 20px;
  height: 20px;
}

.master-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.7fr);
  gap: 1.4rem;
}

.master-panel,
.scenes-panel {
  padding: 1.5rem;
}

.panel-header {
  margin-bottom: 1rem;
}

.panel-header h2 {
  font-size: 1.02rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.panel-header p,
.hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.scene-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.master-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.btn-master,
.btn-primary,
.btn-secondary {
  border-radius: 12px;
  padding: 0.78rem 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-master:hover,
.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-1px);
}

.btn-on,
.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.btn-off,
.btn-secondary,
.btn-neutral {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary.danger {
  color: hsl(354, 80%, 70%);
}

.btn-primary.small {
  padding: 0.55rem 0.8rem;
  font-size: 0.85rem;
}

.transition-control {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.control-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-primary);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.9rem;
}

.scene-card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 0.85rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  transition: all var(--transition-normal);
  user-select: none;
  touch-action: manipulation;
}

.scene-card:hover {
  background: rgba(255,255,255,0.075);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.scene-card.dragging {
  opacity: 0.55;
  outline: 2px dashed var(--accent-primary);
}

.scene-drag-handle {
  color: var(--text-muted);
  cursor: grab;
  padding-top: 0.4rem;
}

.scene-main {
  background: transparent;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  cursor: pointer;
  min-width: 0;
}

.scene-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.scene-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.scene-name {
  font-size: 0.95rem;
  font-weight: 700;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.scene-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.scene-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 0.6fr 0.6fr;
  gap: 0.45rem;
}

.scene-actions .btn-secondary {
  padding: 0.48rem 0.45rem;
  font-size: 0.72rem;
}

.devices-section {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title-bar h2 {
  font-size: 1.25rem;
}

.filter-tabs {
  display: flex;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-color);
  padding: 0.3rem;
  border-radius: 12px;
  gap: 0.2rem;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.48rem 0.95rem;
  border-radius: 8px;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.tab-btn.active,
.tab-btn:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}

.devices-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--text-secondary);
}

.spinner,
.spinner-small {
  border-radius: 50%;
  border-style: solid;
  animation: spin 1s linear infinite;
}

.spinner {
  width: 40px;
  height: 40px;
  border-width: 3px;
  border-color: rgba(255,255,255,0.08);
  border-top-color: var(--accent-primary);
}

.spinner-small {
  width: 24px;
  height: 24px;
  border-width: 2px;
  border-color: rgba(255,255,255,0.12);
  border-top-color: var(--accent-primary);
}

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

.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: 20px;
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.4rem;
}

.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.35rem;
  backdrop-filter: var(--blur-panel);
  -webkit-backdrop-filter: var(--blur-panel);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.device-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.device-card.on {
  border-color: rgba(255, 255, 255, 0.15);
  background: hsla(222, 20%, 17%, 0.5);
  box-shadow: 0 10px 30px var(--card-glow, rgba(253, 186, 116, 0.08));
}

.device-card.on::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--card-glow-color, var(--bulb-color-default));
}

.card-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 12, 20, 0.48);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.device-card.loading .card-loading-overlay {
  display: flex;
}

.device-card.loading-soft {
  opacity: 0.86;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.device-info-wrap {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  min-width: 0;
}

.device-icon-container {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex: 0 0 auto;
}

.device-card.on .device-icon-container {
  background: var(--icon-bg, rgba(253, 186, 116, 0.15));
  color: var(--card-glow-color, var(--bulb-color-default));
  box-shadow: 0 0 15px var(--icon-shadow, rgba(253, 186, 116, 0.3));
}

.device-icon-container svg {
  width: 22px;
  height: 22px;
}

.device-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.device-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.device-type-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
  flex: 0 0 auto;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255,255,255,0.15);
  border: 1px solid var(--border-color);
  transition: .24s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 34px;
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 2px;
  bottom: 2px;
  background-color: #fff;
  transition: .24s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-success);
  border-color: transparent;
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

.device-controls-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-normal);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

.device-card.on .device-controls-group {
  max-height: 820px;
  opacity: 1;
  overflow: visible;
}

.control-row,
.effect-row,
.color-picker-group {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.control-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.slider-input {
  width: 100%;
}

.preset-colors-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.btn-preset-color {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.18);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.btn-preset-color:hover,
.btn-preset-color.active {
  transform: scale(1.12);
  border-color: #fff;
}

.custom-color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.color-picker-native {
  width: 34px;
  height: 34px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.effect-controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.5rem;
}

.effect-select,
.form-group input,
.form-group select,
#sceneName,
#sceneIcon {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 0.72rem 0.8rem;
  outline: none;
}

.effect-select:focus,
.form-group input:focus,
.form-group select:focus,
#sceneName:focus,
#sceneIcon:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.18);
}

.effect-status {
  color: var(--accent-success);
  font-size: 0.8rem;
}

.app-footer {
  color: var(--text-muted);
  text-align: center;
  font-size: 0.8rem;
  padding-bottom: 1rem;
}

.settings-dialog {
  border: none;
  background: transparent;
  color: var(--text-primary);
  width: min(92vw, 560px);
  padding: 0;
}

.settings-dialog::backdrop {
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(5px);
}

.modal-content {
  padding: 1.35rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.modal-header h2 {
  font-size: 1.15rem;
}

.btn-close-x {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.4rem;
}

.form-group,
.form-group-toggle {
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.form-group label,
.toggle-label-title {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 700;
}

.toggle-label-desc,
.settings-help {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.form-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.divider {
  height: 1px;
  background: var(--border-color);
  margin: 1rem 0;
}

.api-fields-group.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.toast-container {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toast {
  min-width: min(330px, calc(100vw - 2rem));
  max-width: 420px;
  background: rgba(20, 28, 42, 0.92);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 0.85rem 1rem;
  display: flex;
  gap: 0.7rem;
  align-items: center;
  animation: slideIn 0.2s ease-out;
}

.toast-success span {
  color: var(--accent-success);
}

.toast-error span {
  color: var(--accent-danger);
}

.toast.hide {
  animation: slideOut 0.35s ease-in forwards;
}

@keyframes slideIn {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideOut {
  to { transform: translateY(8px); opacity: 0; }
}

@media (max-width: 900px) {
  .master-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-container {
    padding: 1rem;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-controls,
  .section-title-bar,
  .scene-panel-header {
    align-items: stretch;
    flex-direction: column;
  }

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

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

  .scene-actions {
    grid-template-columns: 1fr;
  }

  .effect-controls {
    grid-template-columns: 1fr;
  }

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

  .modal-actions {
    flex-direction: column;
  }

  .modal-actions button {
    width: 100%;
  }
}


/* ==========================================================================
   LUMINA v3 additions: per-device scene editor and morph slider
   ========================================================================== */
.morph-control .hint { margin-top: .7rem; }
.morph-ticks { position: relative; min-height: 1.6rem; margin-top: .35rem; font-size: .72rem; color: var(--text-muted); }
.morph-ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; max-width: 8rem; overflow: hidden; text-overflow: ellipsis; }
.wide-modal .modal-content { width: min(960px, calc(100vw - 2rem)); }
.scene-device-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: 1rem 0; color: var(--text-secondary); flex-wrap: wrap; }
.scene-device-settings { display: flex; flex-direction: column; gap: 1rem; max-height: 58vh; overflow: auto; padding-right: .25rem; }
.scene-device-row { border: 1px solid var(--border-color); background: rgba(255,255,255,.04); border-radius: 18px; padding: 1rem; }
.scene-device-head { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-bottom: .8rem; }
.scene-device-head label { font-weight: 700; }
.scene-device-head span { color: var(--text-muted); font-size: .82rem; }
.scene-device-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }
.scene-device-grid label { display: flex; flex-direction: column; gap: .45rem; color: var(--text-secondary); font-size: .86rem; }
.scene-device-grid input[type="range"] { width: 100%; }
.scene-device-grid input[type="color"] { width: 100%; height: 42px; border: 1px solid var(--border-color); background: transparent; border-radius: 12px; padding: 4px; }
.scene-device-grid select, .scene-device-grid input:not([type="range"]):not([type="color"]) { background: rgba(255,255,255,.07); color: var(--text-primary); border: 1px solid var(--border-color); border-radius: 12px; padding: .7rem .8rem; }
.btn-danger { border: 1px solid rgba(239, 68, 68, .35); background: rgba(239, 68, 68, .15); color: #fecaca; border-radius: 12px; padding: .75rem 1rem; cursor: pointer; }
.empty-mini { color: var(--text-secondary); padding: 1rem; border: 1px dashed var(--border-color); border-radius: 14px; }
.scene-card.dragging { opacity: .55; transform: scale(.98); }
@media (max-width: 720px) { .scene-device-grid { grid-template-columns: 1fr; } .wide-modal .modal-content { width: calc(100vw - 1rem); } .morph-ticks { font-size: .62rem; } }

/* ======================================================================
   LUMINA v4 UI adjustments
   - Notifications hidden
   - v2-style scene edit/delete buttons
   - safer morph tick layout
   - wider, centered scene editor modal
   ====================================================================== */
.toast-container,
.toast {
  display: none !important;
}

.morph-control {
  overflow: hidden;
}

.morph-ticks {
  width: 100%;
  overflow: hidden;
  padding: 0 0.25rem;
  box-sizing: border-box;
}

.morph-ticks span {
  max-width: min(8rem, 28vw);
  line-height: 1.25;
}

.morph-ticks span:first-child {
  transform: translateX(0) !important;
  text-align: left;
}

.morph-ticks span:last-child {
  left: auto !important;
  right: 0.25rem;
  transform: translateX(0) !important;
  text-align: right;
}

.scene-card {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
}

.scene-main {
  border: none;
  padding: 0;
  width: 100%;
}

.scene-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.scene-actions .btn-secondary {
  min-height: 2.25rem;
  border-radius: 12px;
  padding: 0.5rem 0.55rem;
  font-size: 0.78rem;
}

.btn-delete-scene.danger,
.btn-secondary.danger {
  color: hsl(354, 88%, 76%);
  border-color: rgba(239, 68, 68, 0.32);
  background: rgba(239, 68, 68, 0.09);
}

.btn-delete-scene.danger:hover,
.btn-secondary.danger:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.48);
}

.wide-modal {
  width: min(1040px, calc(100vw - 32px));
  max-width: calc(100vw - 32px);
}

.wide-modal .modal-content {
  width: 100%;
  max-height: min(88dvh, 920px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(1rem, 2vw, 1.6rem);
}

#sceneForm {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.scene-device-toolbar {
  align-items: flex-start;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: rgba(255,255,255,.035);
  padding: 0.85rem;
}

.scene-device-toolbar p {
  margin: 0;
  max-width: 36rem;
  line-height: 1.55;
}

.scene-device-settings {
  max-height: calc(88dvh - 300px);
  min-height: min(280px, 45dvh);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.1rem 0.35rem 0.1rem 0.05rem;
  margin: 0.3rem 0 1rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.28) transparent;
}

.scene-device-settings::-webkit-scrollbar {
  width: 8px;
}

.scene-device-settings::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,.22);
  border-radius: 999px;
}

.scene-device-row {
  padding: 1rem;
}

.scene-device-head {
  align-items: flex-start;
}

.scene-device-head label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.scene-device-grid {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  align-items: end;
}

.scene-device-grid label {
  min-width: 0;
}

@media (max-width: 720px) {
  .wide-modal {
    width: calc(100vw - 14px);
    max-width: calc(100vw - 14px);
  }

  .wide-modal .modal-content {
    max-height: 92dvh;
    padding: 1rem;
  }

  .scene-device-settings {
    max-height: calc(92dvh - 330px);
    min-height: 260px;
  }

  .scene-device-grid {
    grid-template-columns: 1fr;
  }

  .scene-actions {
    grid-template-columns: 1fr 1fr;
  }
}

/* ======================================================================
   LUMINA v5 scene editor fullscreen adjustments
   - Scene registration/edit dialog is full-screen and opaque
   - Background page scrolling is locked while the scene dialog is open
   - On mobile, the whole scene editor scrolls instead of only device area
   ====================================================================== */
html.scene-modal-open,
body.scene-modal-open {
  overflow: hidden !important;
  overscroll-behavior: none;
}

#sceneDialog.wide-modal {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  border: none;
  border-radius: 0;
  overflow: hidden;
}

#sceneDialog.wide-modal::backdrop {
  background: var(--bg-base);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#sceneDialog.wide-modal .modal-content {
  width: 100%;
  min-height: 100dvh;
  max-height: none;
  height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
  border: none;
  border-radius: 0;
  padding: clamp(1rem, 2.5vw, 2rem);
  overscroll-behavior: contain;
}

#sceneDialog .modal-header {
  position: sticky;
  top: 0;
  z-index: 5;
  margin: calc(clamp(1rem, 2.5vw, 2rem) * -1) calc(clamp(1rem, 2.5vw, 2rem) * -1) 1.25rem;
  padding: clamp(1rem, 2.5vw, 1.5rem) clamp(1rem, 2.5vw, 2rem);
  background: color-mix(in srgb, var(--bg-base) 94%, #ffffff 6%);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#sceneDialog #sceneForm {
  width: min(1120px, 100%);
  margin: 0 auto;
  min-height: 0;
  overflow: visible;
}

#sceneDialog .scene-device-settings {
  max-height: none;
  min-height: 0;
  overflow: visible;
  padding-right: 0;
  margin-bottom: 1.25rem;
}

#sceneDialog .modal-actions {
  position: sticky;
  bottom: 0;
  z-index: 5;
  margin: 1rem calc(clamp(1rem, 2.5vw, 2rem) * -1) calc(clamp(1rem, 2.5vw, 2rem) * -1);
  padding: 1rem clamp(1rem, 2.5vw, 2rem);
  background: color-mix(in srgb, var(--bg-base) 94%, #ffffff 6%);
  border-top: 1px solid var(--border-color);
}

@media (max-width: 720px) {
  #sceneDialog.wide-modal {
    width: 100vw;
    max-width: none;
    height: 100dvh;
  }

  #sceneDialog.wide-modal .modal-content {
    height: 100dvh;
    max-height: none;
    padding: 1rem;
  }

  #sceneDialog .modal-header {
    margin: -1rem -1rem 1rem;
    padding: 1rem;
    align-items: center;
  }

  #sceneDialog #sceneForm {
    width: 100%;
  }

  #sceneDialog .form-grid,
  #sceneDialog .scene-device-grid {
    grid-template-columns: 1fr;
  }

  #sceneDialog .scene-device-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  #sceneDialog .scene-device-settings {
    max-height: none;
    min-height: 0;
    overflow: visible;
  }

  #sceneDialog .modal-actions {
    position: static;
    margin: 1rem -1rem -1rem;
    padding: 1rem;
    flex-direction: column-reverse;
  }

  #sceneDialog .modal-actions button {
    width: 100%;
  }
}


/* =========================================================
   FINAL PATCH: scene dialog buttons must appear AFTER all devices
   Add this at the very end of style.css.
   ========================================================= */

/* The scene editor itself is the scroll container. */
#sceneDialog.wide-modal,
#sceneDialog.wide-modal[open] {
  width: 100vw !important;
  max-width: none !important;
  height: 100dvh !important;
  max-height: none !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  background: var(--bg-base) !important;
}

#sceneDialog.wide-modal .modal-content {
  width: 100% !important;
  height: 100dvh !important;
  min-height: 100dvh !important;
  max-height: none !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: block !important;
  background: var(--bg-base) !important;
  border: 0 !important;
  border-radius: 0 !important;
  padding: clamp(1rem, 2.5vw, 2rem) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* Header remains normal content, not a floating layer. */
#sceneDialog .modal-header {
  position: static !important;
  inset: auto !important;
  z-index: auto !important;
  width: min(1120px, 100%) !important;
  margin: 0 auto 1.25rem !important;
  padding: 0 0 1rem !important;
  background: transparent !important;
  border-bottom: 1px solid var(--border-color) !important;
}

/* Make the form a simple vertical document flow. */
#sceneDialog #sceneForm {
  display: block !important;
  width: min(1120px, 100%) !important;
  max-width: 1120px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  min-height: auto !important;
  height: auto !important;
  overflow: visible !important;
}

/* Device settings must occupy their real height. */
#sceneDialog #sceneDeviceSettings,
#sceneDialog .scene-device-settings {
  display: flex !important;
  flex-direction: column !important;
  gap: 1rem !important;
  position: static !important;
  inset: auto !important;
  z-index: auto !important;
  height: auto !important;
  max-height: none !important;
  min-height: 0 !important;
  overflow: visible !important;
  margin: 1rem 0 0 !important;
  padding: 0 !important;
}

#sceneDialog .scene-device-row {
  position: relative !important;
  z-index: 0 !important;
}

/* Buttons are part of the normal flow after all device rows. */
#sceneDialog .modal-actions {
  position: static !important;
  inset: auto !important;
  z-index: auto !important;
  transform: none !important;
  width: 100% !important;
  display: flex !important;
  justify-content: flex-end !important;
  align-items: center !important;
  gap: 0.75rem !important;
  margin: 1.6rem 0 0 !important;
  padding: 1.2rem 0 0 !important;
  border-top: 1px solid var(--border-color) !important;
  background: transparent !important;
  box-shadow: none !important;
}

#sceneDialog #btnDeleteScene:not(.hidden) {
  margin-right: auto !important;
}

/* Mobile: full-screen document scroll, buttons at the true bottom. */
@media (max-width: 720px) {
  #sceneDialog.wide-modal .modal-content {
    padding: 1rem !important;
  }

  #sceneDialog .modal-header {
    width: 100% !important;
    margin: 0 0 1rem !important;
    padding: 0 0 1rem !important;
  }

  #sceneDialog #sceneForm {
    width: 100% !important;
  }

  #sceneDialog .modal-actions {
    flex-direction: column-reverse !important;
    align-items: stretch !important;
    margin-top: 1.4rem !important;
    padding-bottom: max(1rem, env(safe-area-inset-bottom)) !important;
  }

  #sceneDialog .modal-actions button,
  #sceneDialog #btnDeleteScene:not(.hidden) {
    width: 100% !important;
    margin-right: 0 !important;
  }
}

/* ======================================================================
   LUMINA StarServer transition-selection UI
   - Removes continuous gradient slider behavior
   - Adds scene-to-scene selection, duration controls, blackout action
   ====================================================================== */
.scene-section {
  display: block;
}

.scene-section .scenes-panel {
  padding: 1.5rem;
}

.scene-transition-control {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: visible;
}

.transition-selected-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  gap: 0.75rem;
}

.selected-scene-box {
  min-width: 0;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.045);
  border-radius: 16px;
  padding: 0.85rem 1rem;
}

.selected-scene-box span {
  display: block;
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.selected-scene-box strong {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 1rem;
}

.btn-icon-swap {
  width: 48px;
  min-height: 56px;
  align-self: stretch;
  border-radius: 16px;
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 1.35rem;
  font-weight: 800;
  transition: all var(--transition-fast);
}

.btn-icon-swap:hover:not(:disabled) {
  background: rgba(255,255,255,0.14);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.btn-icon-swap:disabled,
#btnRunTransition:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
}

.transition-action-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1.2fr);
  gap: 0.75rem;
}

.transition-action-row button {
  min-height: 48px;
}

.duration-control {
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.035);
  border-radius: 16px;
  padding: 0.9rem;
}

.duration-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.duration-buttons button {
  min-height: 48px;
  border-radius: 14px;
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-weight: 800;
  transition: all var(--transition-fast);
}

.duration-buttons button:hover {
  background: rgba(255,255,255,0.14);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.duration-buttons button span {
  display: block;
  margin-top: 0.12rem;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
}

.scene-card.selected-from {
  border-color: rgba(59,130,246,0.72);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.25), 0 10px 28px rgba(59,130,246,0.12);
}

.scene-card.selected-to {
  border-color: rgba(16,185,129,0.72);
  box-shadow: 0 0 0 1px rgba(16,185,129,0.25), 0 10px 28px rgba(16,185,129,0.12);
}

.scene-card.selected-from .scene-desc::after {
  content: ' ・ 開始に選択中';
  color: var(--accent-primary);
  font-weight: 800;
}

.scene-card.selected-to .scene-desc::after {
  content: ' ・ 終了に選択中';
  color: var(--accent-success);
  font-weight: 800;
}

@media (max-width: 720px) {
  .scene-section .scenes-panel {
    padding: 1rem;
  }

  .transition-selected-row {
    grid-template-columns: 1fr;
  }

  .btn-icon-swap {
    width: 100%;
    min-height: 44px;
  }

  .transition-action-row {
    grid-template-columns: 1fr;
  }

  .duration-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


/* ======================================================================
   LUMINA transition v2 UI refinements
   - Double-tap scene execution uses the same duration value
   - Duration value is centered and emphasized
   ====================================================================== */
.duration-control .control-label-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.85rem;
  text-align: center;
}

.duration-control .control-label-row > span {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

#transitionDurationLabel {
  color: var(--text-primary);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.duration-note {
  margin-top: -0.55rem;
  color: var(--text-secondary);
}