:root {
  --bg: #0d0d0d;
  --card: #1a1a1a;
  --border: #333;
  --text: #e0e0e0;
  --muted: #888;
  --green: #3dd68c;
  --red: #f87171;
  --amber: #fbbf24;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.top-bar.automation-on {
  background: rgba(251, 191, 36, 0.12);
  border-bottom-color: var(--amber);
}

.top-bar.automation-on h1 {
  color: var(--amber);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
}

.brand-mark {
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

.top-bar h1 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.settings-wrap {
  position: relative;
}

.settings-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.settings-btn:hover,
.settings-btn[aria-expanded="true"] {
  color: var(--text);
  border-color: var(--text);
}

.settings-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.settings-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  z-index: 50;
  width: min(22rem, 90vw);
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.settings-menu.hidden { display: none; }

.settings-menu-header {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.settings-field input {
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.settings-hint {
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.settings-apply-btn {
  width: 100%;
  padding: 0.65rem;
  border: none;
  border-radius: 6px;
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}

.settings-apply-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.settings-status {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  line-height: 1.4;
}

.settings-status.ok { color: var(--green); }
.settings-status.err { color: var(--red); }

.automation-panel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
}

.automation-copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.automation-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.automation-copy p {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
}

.automation-copy .on { color: var(--amber); font-weight: 600; }
.automation-copy .off { color: var(--text); font-weight: 600; }

.automation-btn {
  flex-shrink: 0;
  min-width: 4.5rem;
  padding: 0.55rem 1rem;
  border: 2px solid var(--muted);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.automation-btn.on {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(251, 191, 36, 0.08);
}

@media (max-width: 900px) {
  .top-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .header-right {
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
  }

  .settings-wrap {
    align-self: flex-end;
  }

  .settings-menu {
    right: 0;
    left: auto;
  }

  .automation-panel {
    justify-content: space-between;
  }

  .automation-copy p {
    white-space: normal;
  }
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
}

.login-overlay.hidden { display: none; }

.login-card {
  width: min(360px, 90vw);
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-card h2 { font-size: 1.25rem; }
.login-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.25rem; }

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-card input {
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.login-error {
  color: var(--red);
  font-size: 0.85rem;
}

.login-btn {
  margin-top: 0.25rem;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}

.error-banner {
  margin: 0.75rem 1rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--red);
  border-radius: 6px;
  background: rgba(248, 113, 113, 0.1);
  color: var(--red);
  font-size: 0.9rem;
}

.machines-grid {
  display: contents;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1rem;
}

.master-controls {
  grid-column: 1 / 3;
  grid-row: 2;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.master-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.master-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.master-status {
  font-size: 0.85rem;
  color: var(--text);
}

.master-scene-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.master-scene-btn {
  padding: 0.75rem 0.5rem;
  font-size: 0.85rem;
}

.machine-card[data-name="primary"] { grid-column: 1; grid-row: 1; }
.machine-card[data-name="backup"] { grid-column: 2; grid-row: 1; }
.machine-card[data-name="manual"] { grid-column: 3; grid-row: 1; }

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

  .master-controls {
    grid-column: 1;
    grid-row: 3;
  }

  .master-scene-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .machine-card[data-name="primary"] {
    grid-column: 1;
    grid-row: 1;
  }

  .machine-card[data-name="backup"] {
    grid-column: 1;
    grid-row: 2;
  }

  .machine-card[data-name="manual"] {
    grid-column: 1;
    grid-row: 4;
  }
}

.machine-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}
.machine-card.disconnected { opacity: 0.5; }

.preview-wrap {
  margin-bottom: 0.75rem;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;
}

.preview-img.loading {
  opacity: 0.3;
}

.card-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.machine-name { font-size: 1.1rem; font-weight: 700; text-transform: uppercase; }
.status.connected { color: var(--green); }
.status.disconnected { color: var(--red); }

.scene-label { color: var(--muted); font-size: 0.85rem; margin-bottom: 0.75rem; }

.scene-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.scene-btn {
  padding: 0.6rem;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}
.scene-btn.active {
  border-color: var(--green);
  background: rgba(61, 214, 140, 0.1);
  color: var(--green);
}
.scene-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.stream-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  margin-bottom: 0.75rem;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.stream-indicator {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.stream-btn.live {
  background: var(--green);
  color: #000;
  box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.45);
  animation: live-glow 2s ease-in-out infinite;
}

.stream-btn.live .stream-indicator {
  background: #000;
  animation: live-dot 1.4s ease-in-out infinite;
}

.stream-btn.offline {
  background: #333;
  color: var(--muted);
}

.stream-btn.offline .stream-indicator {
  background: var(--muted);
  opacity: 0.7;
}

.stream-btn.loading {
  cursor: wait;
  pointer-events: none;
}

.stream-btn.loading .stream-indicator {
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  background: transparent;
  opacity: 1;
  animation: spin 0.65s linear infinite;
}

.stream-btn.live.loading {
  background: rgba(61, 214, 140, 0.25);
  color: var(--green);
  box-shadow: none;
  animation: none;
}

.stream-btn.offline.loading {
  background: #2a2a2a;
  color: var(--text);
}

.stream-btn:disabled:not(.loading) { opacity: 0.4; cursor: not-allowed; }

@keyframes live-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.35); }
  50% { box-shadow: 0 0 12px 2px rgba(61, 214, 140, 0.2); }
}

@keyframes live-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.75; }
}

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

.stats {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--muted);
}