:root {
  --bg: #060d14;
  --panel: rgba(11, 25, 38, 0.78);
  --panel-solid: #0f2234;
  --text: #e9f2ff;
  --muted: #9ab5d1;
  --primary: #1dd3b0;
  --primary-soft: #0f7b68;
  --accent: #ffc857;
  --danger: #ff6b6b;
  --border: rgba(153, 195, 235, 0.2);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Outfit", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 18% 5%, #153f63 0%, var(--bg) 34%),
    radial-gradient(circle at 86% -5%, #3e2a11 0%, transparent 38%),
    linear-gradient(145deg, #050a10, #071827 60%, #0b1220);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.2;
  pointer-events: none;
}

.loading-bar {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  z-index: 100;
  overflow: hidden;
  background: rgba(7, 16, 24, 0.45);
}

.loading-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: -35%;
  width: 35%;
  height: 100%;
  background: linear-gradient(90deg, #1dd3b0, #ffc857);
  box-shadow: 0 0 14px rgba(29, 211, 176, 0.85);
  animation: loading-slide 1s ease-in-out infinite;
}

@keyframes loading-slide {
  0% {
    left: -35%;
  }
  100% {
    left: 100%;
  }
}

.orb-1 {
  top: -120px;
  right: -100px;
  background: #2dd4bf;
}

.orb-2 {
  bottom: -140px;
  left: -100px;
  background: #ffb347;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(5, 12, 18, 0.85);
  border-bottom: 1px solid rgba(153, 195, 235, 0.26);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 2px;
  font-size: 1.3rem;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 20px var(--primary);
}

.search-wrap {
  display: flex;
  gap: 8px;
  width: min(520px, 100%);
}

.search-wrap input {
  flex: 1;
  border: 1px solid var(--border);
  background: rgba(10, 26, 40, 0.9);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.search-wrap input:focus {
  border-color: rgba(29, 211, 176, 0.7);
  box-shadow: 0 0 0 3px rgba(29, 211, 176, 0.14);
}

.search-wrap button,
.ghost-btn {
  border: 1px solid var(--border);
  background: linear-gradient(120deg, var(--primary), #23a58d);
  color: #041016;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, filter 160ms ease, border-color 160ms ease;
}

.search-wrap button:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.ghost-btn {
  background: rgba(22, 41, 58, 0.85);
  color: var(--text);
}

.container {
  max-width: 1200px;
  margin: 22px auto 70px;
  padding: 0 18px;
  display: grid;
  gap: 16px;
}

.panel {
  background: linear-gradient(140deg, rgba(9, 26, 40, 0.92), rgba(8, 20, 32, 0.84));
  border: 1px solid rgba(153, 195, 235, 0.24);
  border-radius: 20px;
  padding: 14px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(29, 211, 176, 0.06), transparent 42%);
  pointer-events: none;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-header h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-height: 172px;
  overflow: auto;
  padding-right: 6px;
}

.chip {
  border: 1px solid var(--border);
  background: rgba(13, 30, 44, 0.72);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 150ms ease, transform 150ms ease;
}

.chip:hover {
  transform: translateY(-1px);
  border-color: rgba(29, 211, 176, 0.6);
}

.chip.active {
  border-color: var(--primary);
  background: rgba(29, 211, 176, 0.18);
}

.video-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(16, 37, 55, 0.95), rgba(12, 27, 40, 0.98));
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease;
}

.card:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: var(--primary);
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 12px;
}

.card h4 {
  margin: 0 0 4px;
  font-size: 0.95rem;
  line-height: 1.2;
}

.meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.loading-note {
  margin: 8px 0;
  color: var(--muted);
}

.pager {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pager-bottom {
  justify-content: flex-end;
  padding-top: 14px;
  margin-top: 10px;
  border-top: 1px solid rgba(153, 195, 235, 0.18);
}

.player-sheet {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 12, 0.82);
  display: grid;
  place-items: center;
  padding: 18px;
  z-index: 20;
}

.sheet-card {
  width: min(1020px, 100%);
  max-height: 95vh;
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(8, 20, 31, 0.96);
  padding: 16px;
  box-shadow: var(--shadow);
}

#videoPlayer {
  width: 100%;
  border-radius: 12px;
  background: #000;
  margin-bottom: 12px;
}

.video-meta {
  color: var(--muted);
  margin-bottom: 12px;
}

.close-btn {
  float: right;
  border: 1px solid var(--border);
  background: #1e3448;
  color: var(--text);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #10212f;
  border: 1px solid var(--border);
  border-left: 3px solid var(--danger);
  border-radius: 10px;
  padding: 10px 12px;
  max-width: 340px;
  z-index: 30;
}

.hidden {
  display: none;
}

.reveal {
  animation: reveal 460ms ease both;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .pager {
    width: 100%;
    justify-content: space-between;
  }

  .pager-bottom {
    margin-top: 14px;
    padding-top: 14px;
  }
}