/**
 * Monument Overlay – Admin Panel
 * Clean SaaS / Google-style UI: modern, elegant, rounded
 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-hover: #f1f5f9;
  --teal: #0d9488;
  --teal-hover: #0f766e;
  --teal-light: #ccfbf1;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-focus: #0d9488;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button, input, select, a.btn {
  font-family: inherit;
}

.hidden {
  display: none !important;
}

/* Login gate */
.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.gate-content {
  text-align: center;
  max-width: 400px;
  background: var(--bg-elevated);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.gate-content h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.subtitle {
  color: var(--text-muted);
  margin: 0 0 2rem;
  font-size: 0.95rem;
  font-weight: 400;
}

.error {
  color: #dc2626;
  margin-top: 1rem;
  font-size: 0.875rem;
  background: #fef2f2;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  border-radius: var(--radius);
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--teal);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--teal-hover);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: var(--bg-elevated);
  color: var(--teal);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  background: var(--teal-light);
  border-color: var(--teal);
  color: var(--teal-hover);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Panel */
.panel {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

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

.channel-name {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.35rem 0.75rem;
  background: var(--teal-light);
  border-radius: var(--radius-sm);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.tabs button {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s ease;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tabs button:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.tabs button.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
  background: transparent;
}

/* Content */
.content {
  flex: 1;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}

.tab-panel {
  display: none;
  max-width: 720px;
}

#tab-alerts {
  max-width: 100%;
}

.tab-panel.active {
  display: block;
}

.section {
  margin-bottom: 2rem;
}

.section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text);
}

.section .hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: 1.5rem 0 0.75rem;
}

/* Form */
.toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9375rem;
}

.toggle input {
  width: 20px;
  height: 20px;
  accent-color: var(--teal);
  border-radius: 4px;
}

.input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 0.9375rem;
  margin-top: 0.375rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.input::placeholder {
  color: var(--text-muted);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* Alerts - une ligne horizontale avec scroll */
.alerts-grid {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.alerts-grid::-webkit-scrollbar {
  height: 6px;
}

.alerts-grid::-webkit-scrollbar-track {
  background: var(--bg);
  border-radius: 3px;
}

.alerts-grid::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.alerts-grid::-webkit-scrollbar-thumb:hover {
  background: var(--gray);
}

.alert-card {
  flex: 0 0 280px;
  min-width: 280px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-color 0.2s;
  scroll-snap-align: start;
}

.alert-card:hover {
  box-shadow: var(--shadow);
  border-color: #cbd5e1;
}

.alert-card h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal);
}

.alert-card .toggle {
  margin: 0;
}

.alert-card .btn-preview {
  margin-top: 0.25rem;
  align-self: flex-start;
}

.alert-card label,
.alert-card .input {
  font-size: 0.875rem;
}

/* Latest widgets */
.latest-widgets {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.latest-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  min-width: 180px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.latest-item .label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.latest-item .value {
  font-weight: 600;
  font-size: 1rem;
  color: var(--teal);
}

.test-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.test-buttons .btn {
  margin: 0;
}

/* Preview */
.preview-options {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.preview-container {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 16/9;
  max-width: 960px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.preview-container:not(.preview-bg-off) .preview-bg {
  display: block;
}

.preview-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.preview-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-bg.hidden {
  display: none !important;
}

/* Fond blanc quand image de jeu désactivée */
.preview-container.preview-bg-off {
  background: #fff;
}

.preview-container iframe {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
}

/* Select styling */
select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}