/* X|Clear Live Demo — built on the HDOnTap design system, themed to the
   X Stream Designs brand (blue #1B9CD9, amber #F39323) per the build plan. */

:root {
  /* Backgrounds */
  --bg-primary: #0a0e14;
  --bg-secondary: #12161e;
  --bg-tertiary: #1a1f2b;

  /* Accent Colors — XSD brand */
  --accent-amber: #f39323;
  --accent-amber-bright: #ffae4d;
  --accent-blue: #1b9cd9;
  --accent-blue-bright: #46baf0;
  --accent-red: #ff3366;
  --accent-yellow: #ffcc00;
  --accent-green: #2ecf7a;

  /* Text */
  --text-primary: #e6e8eb;
  --text-secondary: #8b92a0;
  --text-dim: #5a6070;

  /* UI */
  --border: #252a35;
  --shadow: rgba(243, 147, 35, 0.1);

  /* Typography */
  --font-ui: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Border Radius */
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;

  --transition: all 0.3s ease;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-ui);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
}
a:hover {
  color: var(--accent-blue-bright);
}

/* --- Layout --------------------------------------------------------------- */

.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
}

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

.brand-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}
.brand-mark .x {
  color: var(--accent-blue);
}
.brand-mark .clear {
  color: var(--accent-amber);
}

h1 {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.layout-main {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}
@media (max-width: 980px) {
  .layout-main {
    grid-template-columns: 1fr;
  }
}

/* --- Panels --------------------------------------------------------------- */

.panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 4px 20px var(--shadow);
}

.panel-header {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* --- Video hero ----------------------------------------------------------- */

.video-panel {
  padding: 0;
  overflow: hidden;
  position: relative;
}

.video-wrap {
  position: relative;
  width: 100%;
  background: #000;
  aspect-ratio: 16 / 9;
}

.video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.video-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(10, 14, 20, 0.7);
  backdrop-filter: blur(6px);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-red);
  box-shadow: 0 0 10px var(--accent-red);
  animation: breathe 3s ease-in-out infinite;
}

/* Cleaning sync overlay */
.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(10, 14, 20, 0.55);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.video-overlay.show {
  opacity: 1;
}
.overlay-label {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-amber);
  text-shadow: 0 0 24px rgba(243, 147, 35, 0.6);
}

/* Video connection state (reconnect / error) */
.video-state {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(10, 14, 20, 0.75);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.video-state.show {
  display: flex;
}

/* --- Status strip --------------------------------------------------------- */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.metric-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.7rem;
  transition: var(--transition);
}
.metric-card:hover {
  border-color: var(--accent-amber);
  box-shadow: 0 0 15px rgba(243, 147, 35, 0.1);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.metric-unit {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Fluid meter */
.fluid-card {
  grid-column: 1 / -1;
}
.fluid-meter {
  height: 10px;
  background: var(--bg-primary);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.45rem;
  border: 1px solid var(--border);
}
.fluid-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-bright));
  transition: width 0.6s ease, background 0.4s ease;
}
.fluid-fill.low {
  background: linear-gradient(90deg, var(--accent-yellow), var(--accent-amber));
}
.fluid-fill.reserve {
  background: linear-gradient(90deg, var(--accent-red), #ff5577);
}
.fluid-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

/* Pill state for heater/pump/motor */
.state-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.state-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}
.state-dot.on {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* --- Badges --------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}
.badge-amber { background: rgba(243, 147, 35, 0.12); color: var(--accent-amber); border: 1px solid rgba(243, 147, 35, 0.25); }
.badge-blue { background: rgba(27, 156, 217, 0.12); color: var(--accent-blue); border: 1px solid rgba(27, 156, 217, 0.25); }
.badge-red { background: rgba(255, 51, 102, 0.12); color: var(--accent-red); border: 1px solid rgba(255, 51, 102, 0.25); }
.badge-green { background: rgba(46, 207, 122, 0.12); color: var(--accent-green); border: 1px solid rgba(46, 207, 122, 0.25); }
.badge-neutral { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border); }

/* --- Buttons -------------------------------------------------------------- */

.btn {
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-bright));
  color: var(--bg-primary);
  font-size: 1rem;
  padding: 1.1rem 2rem;
  width: 100%;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(243, 147, 35, 0.3);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover:not(:disabled)::before {
  left: 100%;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.75rem 1.5rem;
  width: 100%;
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
  box-shadow: 0 4px 12px rgba(243, 147, 35, 0.15);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.control-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
  min-height: 1.1em;
  transition: color 0.2s ease;
}
.control-hint.warn {
  color: var(--accent-yellow);
}
.control-hint.err {
  color: var(--accent-red);
}

.lead-cta {
  margin-top: 1rem;
  text-align: center;
}
.lead-cta button {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.03em;
}
.lead-cta button:hover {
  color: var(--accent-blue-bright);
}

/* --- Inputs / modal ------------------------------------------------------- */

.input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}
.input::placeholder {
  color: var(--text-dim);
}
.input:focus {
  border-color: var(--accent-amber);
  box-shadow: 0 0 0 3px rgba(243, 147, 35, 0.1);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 11, 0.78);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal-backdrop.show {
  display: flex;
}
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.modal h2 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.modal p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.modal .field {
  margin-bottom: 0.85rem;
}
.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.modal-actions .btn {
  width: auto;
  flex: 1;
}

/* --- Alerts --------------------------------------------------------------- */

.alert {
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin-top: 0.75rem;
  display: none;
}
.alert.show {
  display: block;
}
.alert-error { background: rgba(255, 51, 102, 0.1); border: 1px solid var(--accent-red); color: var(--accent-red); }
.alert-info { background: rgba(27, 156, 217, 0.08); border: 1px solid rgba(27, 156, 217, 0.3); color: var(--accent-blue); }
.alert-success { background: rgba(46, 207, 122, 0.1); border: 1px solid var(--accent-green); color: var(--accent-green); }

/* --- Footer --------------------------------------------------------------- */

.page-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

/* --- Animations ----------------------------------------------------------- */

@keyframes breathe {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px currentColor; }
  50% { opacity: 0.75; box-shadow: 0 0 20px currentColor; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Embed (compact) variant --------------------------------------------- */

body.embed .page-container {
  padding: 0.75rem;
  max-width: 100%;
}
body.embed .page-header,
body.embed .page-footer {
  display: none;
}
body.embed .layout-main {
  grid-template-columns: 1fr 320px;
  gap: 1rem;
}
@media (max-width: 720px) {
  body.embed .layout-main {
    grid-template-columns: 1fr;
  }
}
body.embed h1 {
  font-size: 1.4rem;
}

@media (max-width: 560px) {
  .page-container { padding: 1rem; }
  h1 { font-size: 1.6rem; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
}