@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

* {
  box-sizing: border-box;
}

:root {
  --color-primary: #2563eb;
  --color-primary-light: #eff6ff;
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-success: #16a34a;
  --color-success-bg: #ecfdf5;
  --color-success-border: #bbf7d0;
  --color-start: #16a34a;
  --color-start-bg: #ecfdf5;
  --color-start-border: #86efac;
  --color-stop: #dc2626;
  --color-stop-bg: #fef2f2;
  --color-stop-border: #fecaca;
  --color-error: #b91c1c;
  --color-error-bg: #fef2f2;
  --color-error-border: #fecaca;
  --color-info-bg: #f1f5f9;
  --color-info-border: #e2e8f0;
  --radius: 12px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.04);
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --page-padding: 1rem;
  --font-sans: 'Inter', system-ui, sans-serif;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.app-header {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-lg) var(--page-padding) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.app-logo {
  flex-shrink: 0;
  align-self: stretch;
  aspect-ratio: 1;
  width: auto;
  min-width: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 12px;
  color: var(--color-primary);
}

.app-logo svg {
  width: 48px;
  height: 48px;
}

.app-header-text h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.app-subtitle {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Main layout */
.app-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--page-padding) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Host controls stack */
#hostControls {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Preview edge-to-edge */
.preview-bleed {
  margin-inline: calc(-1 * var(--page-padding));
  background: #000;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.preview-bleed video,
.preview-bleed .preview-stream:not([hidden]) {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  border-radius: 0;
}

@media (min-width: 641px) {
  .preview-bleed {
    margin-inline: 0;
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
  }

  .preview-bleed video,
  .preview-bleed .preview-stream:not([hidden]) {
    border-radius: var(--radius);
  }
}

#previewHost {
  width: 100%;
  height: 100%;
}

#previewHost video {
  width: 100%;
  height: 100%;
}

.preview-stream:not([hidden]) {
  width: 100%;
  height: 100%;
  min-height: unset;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: var(--space-md) var(--space-lg);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.card-header svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.card-help {
  margin: 0 0 0 auto;
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: right;
  flex-shrink: 1;
  min-width: 0;
}

/* Form controls */
select,
input[type="password"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
}

select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Mode option cards */
.mode-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.mode-card {
  display: block;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.mode-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mode-card:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.mode-card:has(input:disabled) {
  opacity: 0.6;
  cursor: not-allowed;
}

.mode-card-title {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: var(--space-xs);
}

.mode-card:has(input:checked) .mode-card-title {
  color: var(--color-primary);
}

.mode-card-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.4;
}

/* Sensitivity slider */
.sensitivity-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.sensitivity-value {
  font-weight: 600;
}

.slider-wrap input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
  margin: 0;
}

.slider-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: var(--space-xs);
}

/* Monitor toggle button */
.btn-monitor {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.875rem var(--space-md);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--color-start-border);
  border-radius: var(--radius);
  background: var(--color-start-bg);
  color: var(--color-start);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

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

.btn-monitor .monitor-icon-stop {
  display: none;
}

.btn-monitor.is-active .monitor-icon-play {
  display: none;
}

.btn-monitor.is-active .monitor-icon-stop {
  display: block;
}

.btn-monitor.is-active {
  background: var(--color-stop-bg);
  border-color: var(--color-stop-border);
  color: var(--color-stop);
}

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

/* Generic buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  width: 100%;
  padding: 0.75rem var(--space-md);
  font-size: 1rem;
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-download {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.btn-download:hover {
  background: #dbeafe;
}

/* Alerts */
.alert {
  padding: var(--space-md);
  border-radius: var(--radius);
  font-size: 0.875rem;
  border: 1px solid var(--color-info-border);
  background: var(--color-info-bg);
}

.alert-info {
  border-color: var(--color-info-border);
  background: var(--color-info-bg);
}

.alert-error {
  border-color: var(--color-error-border);
  background: var(--color-error-bg);
  color: var(--color-error);
}

.monitoring-since {
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: center;
}

/* Recordings list */
.recordings-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.recording-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
}

.recording-play {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  padding: var(--space-xs) var(--space-sm);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: background 0.15s, color 0.15s;
}

.recording-play:hover {
  background: var(--color-primary-light);
}

.recording-play:hover .recording-date {
  color: var(--color-primary);
}

.recording-play svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.recording-meta {
  min-width: 0;
}

.recording-date {
  display: block;
  font-weight: 500;
}

.recording-mode {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.badge-size {
  flex-shrink: 0;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.recordings-empty {
  color: var(--color-muted);
  font-size: 0.875rem;
  padding: var(--space-sm) 0;
}

/* Viewer mode */
.viewer-mode #hostControls {
  display: none;
}

.viewer-mode #monitorBtn {
  display: none;
}

/* Login page */
.login-page {
  max-width: 400px;
}

.login-page .card form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.login-page label {
  font-size: 0.875rem;
  font-weight: 500;
}

/* Watch page */
.watch-page .card video {
  width: 100%;
  border-radius: 8px;
  background: #000;
  aspect-ratio: 16 / 9;
}

.watch-page .btn-primary {
  margin-top: var(--space-md);
}

.icon-inline {
  display: inline-flex;
  vertical-align: middle;
}