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

html,
body {
  height: 100%;
  background: #000;
  color: #ccc;
  font-family: 'Courier New', Courier, monospace;
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

.hidden {
  display: none !important;
}

/* ── Splash ── */
.splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  cursor: pointer;
  transition: opacity 0.35s ease;
}

.splash.hidden-fade {
  opacity: 0;
  pointer-events: none;
}

.splash-inner {
  text-align: center;
  user-select: none;
}

.splash-title {
  font-size: 20px;
  letter-spacing: 6px;
  color: #ccc;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.splash-cta {
  font-size: 13px;
  letter-spacing: 3px;
  color: #888;
  text-transform: uppercase;
  animation: splash-blink 1.2s ease-in-out infinite;
}

@keyframes splash-blink {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@media (max-width: 600px) {
  .splash-title {
    font-size: 16px;
    letter-spacing: 4px;
  }
  .splash-cta {
    font-size: 11px;
    letter-spacing: 2px;
  }
}

/* ── Canvas ── */
#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid #2a2a2a;
}

.navbar-title {
  margin-right: auto;
  padding-left: 4px;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: #777;
  text-transform: uppercase;
  user-select: none;
}

.navbar .btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #333;
  border-radius: 0;
  background: transparent;
  color: #999;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.navbar .btn:hover {
  border-color: #666;
  color: #fff;
}

.navbar .btn:active {
  background: #222;
}

.navbar .btn.btn-star {
  font-size: 11px;
  letter-spacing: -1px;
  color: #c9a23a;
}

.navbar .btn.btn-star:hover {
  color: #ffd86b;
  border-color: #c9a23a;
}

.navbar .btn.btn-corners {
  font-size: 15px;
  color: #6aa9c9;
}

.navbar .btn.btn-corners:hover {
  color: #b9e3ff;
  border-color: #6aa9c9;
}

.navbar .btn.btn-corners.active {
  color: #001018;
  background: #6aa9c9;
  border-color: #b9e3ff;
}

.navbar .btn.btn-corners.active:hover {
  background: #b9e3ff;
  border-color: #fff;
}

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  z-index: 20;
  background: #111;
  border-left: 1px solid #333;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(100%);
  transition: transform 0.2s ease;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid #222;
}

.sidebar-header span {
  font-size: 14px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #333;
  background: transparent;
  color: #999;
  font-size: 16px;
  cursor: pointer;
}

.sidebar-close:hover {
  border-color: #666;
  color: #fff;
}

/* ── Sidebar sections ── */
.section {
  border-bottom: 1px solid #222;
  padding: 10px 12px;
}

.section-title {
  font-size: 11px;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

/* ── Controls ── */
.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.control-row label {
  font-size: 12px;
  color: #888;
  text-transform: uppercase;
  min-width: 40px;
}

.control-row input[type='range'] {
  flex: 1;
  min-width: 0;
  accent-color: #888;
}

.control-row select {
  flex: 1;
  min-width: 0;
  height: 26px;
  background: #1a1a1a;
  border: 1px solid #333;
  color: #ccc;
  font-size: 12px;
}

.control-row input[type='checkbox'] {
  width: 16px;
  height: 16px;
  accent-color: #888;
}

.readout {
  min-width: 36px;
  text-align: right;
  font-size: 11px;
  color: #aaa;
  font-variant-numeric: tabular-nums;
}

/* ── Channel Bay ── */
.channel-list {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 4px;
  border: 1px solid transparent;
}

.channel-row.selected {
  border-color: #555;
}

.channel-main {
  flex: 1;
  min-width: 0;
  height: 24px;
  border: 0;
  background: transparent;
  color: #ccc;
  cursor: pointer;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.channel-main .swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  vertical-align: 0;
}

.mini-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #333;
  background: transparent;
  color: #888;
  font-size: 11px;
  cursor: pointer;
}

.mini-btn:hover {
  border-color: #555;
  color: #ccc;
}

.mini-btn.active {
  color: #fff;
  border-color: #888;
}

.mini-btn.warn {
  color: #a44;
  border-color: #533;
}

.mini-btn.warn:hover {
  color: #f66;
  border-color: #a44;
}

/* ── Strip actions ── */
.strip-actions {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.strip-actions .btn {
  flex: 1;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #333;
  background: transparent;
  color: #888;
  font-size: 11px;
  text-transform: uppercase;
  cursor: pointer;
}

.strip-actions .btn:hover {
  border-color: #555;
  color: #ccc;
}

.strip-actions .btn.active {
  color: #fff;
  border-color: #888;
}

.no-selection {
  color: #444;
  font-size: 12px;
  padding: 6px 0;
}

/* ── Help dialog ── */
.help-dialog {
  max-width: 480px;
  border: 1px solid #333;
  border-radius: 0;
  color: #ccc;
  background: #111;
  font-family: 'Courier New', Courier, monospace;
  padding: 20px;
}

.help-dialog::backdrop {
  background: rgba(0, 0, 0, 0.85);
}

.help-dialog h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 18px;
}

.help-dialog h3 {
  margin: 14px 0 6px;
  color: #ccc;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.help-dialog p {
  color: #999;
  font-size: 13px;
  margin-bottom: 12px;
  line-height: 1.5;
}

.help-dialog dt {
  color: #ccc;
  font-size: 13px;
}

.help-dialog dd {
  color: #777;
  font-size: 12px;
  margin-bottom: 8px;
  margin-left: 12px;
}

.help-dialog a {
  color: #888;
}

.help-dialog .close-btn {
  margin-top: 14px;
  height: 30px;
  padding: 0 16px;
  border: 1px solid #333;
  background: transparent;
  color: #999;
  font-size: 13px;
  cursor: pointer;
}

.help-dialog .close-btn:hover {
  border-color: #666;
  color: #fff;
}

/* ── OSD (minimal) ── */
.osd {
  position: fixed;
  left: 10px;
  bottom: 10px;
  z-index: 5;
  display: flex;
  gap: 12px;
  color: #444;
  font-size: 12px;
  pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .sidebar {
    width: 100%;
  }

  .navbar-title {
    display: none;
  }

  #configBtn {
    display: none;
  }

  .navbar .btn {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .navbar .btn.btn-star {
    font-size: 10px;
  }

  .navbar .btn.btn-corners {
    font-size: 13px;
  }
}