/* Design system: dark theme */
:root {
  --bg: #080808;
  --field: #141515;
  --inactive-btn: #3D3D3D;
  --active-btn: #F3F3F3;
  --text-main: #F3F3F3;
  --text-secondary: #5E5E5E;
  --red-main: #CF0B00;
  --red-secondary: #3C110F;
  --blue-main: #7B8ECF;
  --blue-secondary: #4C4D55;
  --font-heading: 20px;
  --font-field: 16px;
  --font-desc: 16px;
  --font-small: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: var(--font-desc);
  color: var(--text-main);
  background: var(--bg);
  line-height: 1.5;
}

a { color: var(--blue-main); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 220px;
  background: var(--field);
  padding: 1rem 0;
  flex-shrink: 0;
}
.admin-main { flex: 1; padding: 1.5rem 2rem; }

.admin-sidebar nav a {
  display: block;
  padding: 0.6rem 1.2rem;
  color: var(--text-main);
  font-size: var(--font-desc);
}
.admin-sidebar nav a:hover { background: var(--inactive-btn); text-decoration: none; }
.admin-sidebar nav a.active { color: var(--red-main); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  font-size: var(--font-field);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.9; }
.btn-main { background: var(--active-btn); color: var(--bg); }
.btn-secondary { background: var(--inactive-btn); color: var(--text-main); }
.btn-danger { background: var(--red-main); color: var(--text-main); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 1/2 button - smaller */
.btn-sm { padding: 0.4rem 0.9rem; font-size: var(--font-small); }

/* Tags */
.tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: var(--font-small);
  border-radius: 6px;
  background: var(--inactive-btn);
  color: var(--text-main);
}
.tag.tag-success { background: var(--inactive-btn); color: var(--text-main); }
.tag.tag-danger { background: var(--red-secondary); color: var(--red-main); }
.tag.tag-muted { background: var(--field); color: var(--text-secondary); }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-desc);
  color: var(--text-secondary);
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
textarea,
select {
  width: 100%;
  max-width: 400px;
  padding: 0.6rem 0.8rem;
  font-size: var(--font-field);
  color: var(--text-main);
  background: var(--field);
  border: 1px solid var(--inactive-btn);
  border-radius: 8px;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--blue-secondary);
}
textarea { min-height: 120px; resize: vertical; }
input[type="checkbox"] {
  width: auto;
  margin-right: 0.5rem;
  accent-color: var(--red-main);
}

/* Headings */
h1, .page-title { font-size: var(--font-heading); margin: 0 0 1rem; font-weight: 600; }
h2 { font-size: 18px; margin: 1rem 0 0.5rem; }
.text-small { font-size: var(--font-small); color: var(--text-secondary); }

/* Flash messages */
.flash { padding: 0.6rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash.success { background: var(--red-secondary); color: var(--text-main); }
.flash.error { background: var(--red-secondary); color: #ff6b6b; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.6rem 0.8rem; text-align: left; border-bottom: 1px solid var(--inactive-btn); }
th { color: var(--text-secondary); font-weight: 600; font-size: var(--font-small); }
tr:hover td { background: var(--field); }

/* Cards */
.card {
  background: var(--field);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

/* Header bar */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--inactive-btn);
}
.admin-header .user { font-size: var(--font-small); color: var(--text-secondary); }

/* Pagination */
.pagination { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }
.pagination a, .pagination span {
  padding: 0.4rem 0.8rem;
  background: var(--field);
  border-radius: 6px;
  font-size: var(--font-small);
}
.pagination a:hover { background: var(--inactive-btn); text-decoration: none; }
.pagination .current { background: var(--red-secondary); color: var(--red-main); }

/* Balance / debt */
.balance { font-size: var(--font-field); }
.balance.negative { color: var(--red-main); }

/* Cameras grid — 4 окошка 2×2 */
.cameras-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
.camera-slot {
  aspect-ratio: 16/10;
  background: var(--field);
  border: 1px solid var(--inactive-btn);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.camera-slot .camera-label {
  padding: 0.4rem 0.6rem;
  font-size: var(--font-small);
  color: var(--text-secondary);
  background: var(--bg);
  flex-shrink: 0;
}
.camera-slot .camera-feed {
  flex: 1;
  min-height: 0;
}
.camera-slot .camera-feed iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}
.camera-slot .camera-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: var(--font-small);
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}
.dashboard-card {
  background: var(--field);
  border: 1px solid var(--inactive-btn);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}
.dashboard-card:hover {
  border-color: var(--blue-secondary);
}
.dashboard-card-wide {
  grid-column: span 2;
}
.dashboard-value {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.2;
}
.dashboard-label {
  font-size: var(--font-small);
  color: var(--text-secondary);
  margin-top: 0.25rem;
}
.dashboard-sublabel {
  font-size: var(--font-small);
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

/* Dashboard charts */
.dashboard-charts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.chart-card { min-width: 0; }
.chart-card-wide { grid-column: span 2; }
.chart-title {
  font-size: var(--font-desc);
  margin: 0 0 0.75rem;
  font-weight: 600;
  color: var(--text-main);
}
.chart-wrap {
  position: relative;
  height: 200px;
}
.chart-wrap-pie { height: 220px; }
@media (max-width: 768px) {
  .dashboard-charts { grid-template-columns: 1fr; }
  .chart-card-wide { grid-column: span 1; }
}

/* Студия: фотографии */
.studio-photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.studio-photo-item {
  background: var(--bg);
  border-radius: 8px;
  overflow: hidden;
  padding: 0.5rem;
  border: 1px solid var(--inactive-btn);
}
.studio-photo-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}
.studio-photo-item a:hover img { opacity: 0.9; }
.studio-photo-upload { margin-top: 0.5rem; padding-top: 1rem; border-top: 1px solid var(--inactive-btn); }
.studio-photo-upload .form-group { margin-bottom: 0.75rem; }
.studio-photo-upload input[type="file"] { max-width: 100%; }

/* Студия: реклама */
.studio-ads-list { display: flex; flex-direction: column; gap: 1rem; }
.studio-ad-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--inactive-btn);
}
.studio-ad-item img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}
.studio-ad-body { flex: 1; min-width: 0; }
.studio-ad-body strong { display: block; margin-bottom: 0.25rem; }

/* Новости: фото */
.news-photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}
.news-photo-item {
  background: var(--bg);
  border-radius: 8px;
  overflow: hidden;
  padding: 0.5rem;
  border: 1px solid var(--inactive-btn);
}
.news-photo-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}
.news-thumb {
  width: 56px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--inactive-btn);
  background: var(--field);
  display: block;
}

/* Support chat */
.chat-box {
  background: var(--field);
  border: 1px solid var(--inactive-btn);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 520px;
  overflow: auto;
}
.chat-msg {
  max-width: 80%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--inactive-btn);
  background: var(--bg);
}
.chat-user { align-self: flex-start; }
.chat-admin {
  align-self: flex-end;
  background: rgba(123, 142, 207, 0.12);
  border-color: rgba(123, 142, 207, 0.35);
}
.chat-meta {
  font-size: var(--font-small);
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}
.chat-body { white-space: pre-wrap; }
.chat-send { margin-top: 1rem; }

/* Modal (dialog) */
.modal::backdrop { background: rgba(0, 0, 0, 0.6); }
.modal {
  border: none;
  padding: 0;
  background: transparent;
}
.modal-content {
  width: min(520px, calc(100vw - 2rem));
  background: var(--field);
  border: 1px solid var(--inactive-btn);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  color: var(--text-main);
}