:root {
  --bg: #081223;
  --bg-soft: #0d1b31;
  --panel: rgba(12, 25, 48, 0.85);
  --panel-border: rgba(95, 145, 255, 0.18);
  --text: #ebf2ff;
  --muted: #98abd3;
  --primary: #1a7cff;
  --secondary: #00d1ff;
  --success: #29d17d;
  --warning: #f7a928;
  --danger: #ff6b6b;
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.35);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: 'Inter', sans-serif; background: radial-gradient(circle at top left, #123260 0%, var(--bg) 45%, #050b15 100%); color: var(--text); }
a { text-decoration: none; color: inherit; }
p, h1, h2, h3, h4, h5 { margin: 0; }
body { min-height: 100vh; }

.app-shell { display: grid; grid-template-columns: 290px 1fr; min-height: 100vh; }
.sidebar {
  padding: 28px 20px;
  border-right: 1px solid rgba(255,255,255,0.06);
  background: rgba(4, 10, 20, 0.72);
  backdrop-filter: blur(22px);
}
.brand { display: flex; gap: 14px; align-items: center; margin-bottom: 34px; }
.brand-logo { width: 84px; max-height: 58px; object-fit: contain; }
.brand h1 { font-size: 1.05rem; font-weight: 800; }
.brand p { color: var(--muted); font-size: 0.88rem; margin-top: 4px; }
.nav-menu { display: flex; flex-direction: column; gap: 10px; }
.nav-item {
  padding: 14px 16px;
  border-radius: 14px;
  color: #d7e4ff;
  background: transparent;
  transition: 0.25s ease;
  border: 1px solid transparent;
}
.nav-item:hover, .nav-item.active {
  background: linear-gradient(135deg, rgba(26,124,255,0.18), rgba(0,209,255,0.08));
  border-color: rgba(0, 209, 255, 0.15);
}
.sidebar-card {
  margin-top: 30px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(25,40,78,0.8), rgba(10,18,37,0.9));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.badge, .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(26,124,255,0.16);
  color: #dce9ff;
  border: 1px solid rgba(26,124,255,0.15);
}
.status-pill.ok { background: rgba(41,209,125,0.14); color: #d7ffed; }
.main-content { padding: 30px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.topbar h2 { font-size: 2rem; margin-bottom: 8px; }
.topbar p { color: var(--muted); }
.primary-btn, .secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 14px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.06);
}
.primary-btn { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; box-shadow: var(--shadow); }
.secondary-btn { background: rgba(255,255,255,0.04); color: var(--text); }

.stats-grid, .content-grid, .module-grid, .form-grid, .card-grid { display: grid; gap: 18px; }
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 20px; }
.two-columns { grid-template-columns: 1.1fr 1fr; margin-bottom: 20px; }
.stat-card, .panel, .module-card, .device-card, .layout-card, .media-card, .scheduler-card, .setting-card, .editor-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}
.stat-card { padding: 22px; }
.stat-card span, .panel p, .muted, label { color: var(--muted); }
.stat-card strong { font-size: 2rem; display: block; margin: 10px 0 8px; }
.panel { padding: 22px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.panel-head h3 { font-size: 1.12rem; }
.player-list, .timeline { display: flex; flex-direction: column; gap: 12px; }
.player-row, .timeline-item, .schedule-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
}
.player-row p, .timeline-item p { font-size: 0.92rem; margin-top: 4px; }
.status-dot {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.online { background: rgba(41,209,125,0.16); color: #d2ffee; }
.sync { background: rgba(0,209,255,0.16); color: #d6fbff; }
.warning { background: rgba(247,169,40,0.16); color: #ffe9c1; }
.offline { background: rgba(255,107,107,0.14); color: #ffdede; }

.screen-preview {
  position: relative;
  min-height: 290px;
  border-radius: 20px;
  overflow: hidden;
  padding: 18px;
  background: linear-gradient(135deg, #031124, #122c56, #071627);
  border: 1px solid rgba(255,255,255,0.06);
}
.screen-preview.portrait { aspect-ratio: 9/16; min-height: 420px; max-width: 320px; margin: 0 auto; }
.screen-preview.widescreen { aspect-ratio: 16/9; }
.screen-preview.ultrawide { aspect-ratio: 21/9; }
.screen-preview.tablet { aspect-ratio: 16/10; }
.ticker {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 11px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  background: linear-gradient(90deg, rgba(6,13,28,0.9), rgba(26,124,255,0.5));
  animation: marquee 18s linear infinite;
}
.hero-slide {
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(0,209,255,0.08));
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  max-width: 70%;
}
.hero-slide h4 { font-size: 1.35rem; margin-bottom: 10px; }
.preview-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.animated-block {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 16px;
  backdrop-filter: blur(8px);
}
.mini-label {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  margin-bottom: 10px;
  background: rgba(255,255,255,0.08);
}
.resolution-box { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
select, input, textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 14px;
  font: inherit;
}
textarea { min-height: 120px; resize: vertical; }

.module-grid, .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.module-card, .device-card, .layout-card, .media-card, .scheduler-card, .setting-card, .editor-card { padding: 20px; }
.module-card h4, .device-card h4, .layout-card h4, .media-card h4, .setting-card h4, .editor-card h4 { margin-bottom: 10px; }
.timeline-item span { font-weight: 800; color: #b1d2ff; }

.filter-bar, .editor-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.search-box { flex: 1; min-width: 220px; }
.device-meta, .layout-meta, .media-meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.meta-pill {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: #cfe2ff;
  font-size: 0.76rem;
}
.progress {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.07);
}
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.layout-preview {
  display: grid;
  gap: 10px;
  min-height: 160px;
  border-radius: 16px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(0,209,255,0.05));
  border: 1px solid rgba(255,255,255,0.08);
}
.layout-preview.split { grid-template-columns: 2fr 1fr; }
.layout-preview.triple { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.layout-preview.promo { grid-template-columns: 1.6fr 1fr; }
.zone { background: rgba(255,255,255,0.12); border-radius: 12px; border: 1px dashed rgba(255,255,255,0.18); min-height: 60px; }
.zone.tall { grid-row: span 2; }
.media-thumb {
  height: 150px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,124,255,0.2), rgba(0,209,255,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #dce9ff;
  margin-bottom: 14px;
}
.schedule-board { display: grid; gap: 14px; }
.schedule-row span:first-child { font-weight: 800; min-width: 74px; color: #cde1ff; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }

.editor-shell { display: grid; grid-template-columns: 340px 1fr; gap: 18px; }
.playlist-items { display: flex; flex-direction: column; gap: 12px; }
.playlist-item {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,0.04);
}
.canvas-controls { display: grid; gap: 12px; }
.tag-green { background: rgba(41,209,125,0.14); color: #dcfff0; }
.tag-blue { background: rgba(26,124,255,0.14); color: #deebff; }
.tag-orange { background: rgba(247,169,40,0.16); color: #ffedcb; }
.small-text { font-size: 0.84rem; color: var(--muted); }

.fade-in { animation: fadeIn 1s ease both; }
.slide-up { animation: slideUp 1.1s ease both; }
.zoom-in { animation: zoomIn 1.15s ease both; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.88); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes marquee {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}

@media (max-width: 1200px) {
  .stats-grid, .two-columns, .editor-shell { grid-template-columns: 1fr; }
}

@media (max-width: 920px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .stats-grid, .module-grid, .card-grid, .form-grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}