@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap");

:root {
  --bg0: #cfeaff;
  --bg1: #eaf6ff;
  --card: rgba(255, 255, 255, 0.92);
  --card2: rgba(255, 255, 255, 0.96);
  --accent-hex: #2d7dff;
  --accent-rgb: 45 125 255;
  --line: rgba(var(--accent-rgb), 0.18);
  --text: #0a1a33;
  --muted: rgba(10, 26, 51, 0.62);
  --accent: var(--accent-hex);
  --neon: #4cf2ff;
  --pink: #ff4df0;
  --shadow: 0 18px 50px rgba(16, 40, 90, 0.18);
  --post-card-bg: #ffffff;
  --post-card-border: rgba(42, 110, 255, 0.18);
  /* Accent-derived outlines. Posts use --post-card-border directly; everything else uses these. */
  --panel-border-soft: rgba(var(--accent-rgb), 0.22);
  --panel-border: rgba(var(--accent-rgb), 0.34);
  --panel-border-strong: rgba(var(--accent-rgb), 0.52);
  --panel-glow: 0 0 0 3px rgba(var(--accent-rgb), 0.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(45, 125, 255, 0.18), transparent 55%),
    radial-gradient(800px 560px at 85% 15%, rgba(76, 242, 255, 0.18), transparent 60%),
    radial-gradient(900px 700px at 45% 85%, rgba(255, 77, 240, 0.06), transparent 58%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  min-height: 100vh;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: var(--channel-bg-opacity, 0);
  background-image: var(--channel-bg-image, none), var(--channel-bg-gradient, none);
  background-size: cover, cover;
  background-position: center, center;
  filter: var(--channel-bg-filter, saturate(1.05) contrast(1.05));
}

dialog {
  border: 2px solid var(--panel-border-strong);
  border-radius: 14px;
  background: var(--card2);
  color: var(--text);
  box-shadow: var(--shadow);
  padding: 14px;
  max-width: min(520px, 92vw);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.30);
}

.topics { padding-top: 4px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 2px solid var(--panel-border-soft);
  background: var(--card);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 2;
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 14px;
  padding: 14px;
}

.panel {
  background: var(--card);
  border: 2px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.hidden { display: none !important; }
.mt { margin-top: 12px; }

.sidebar input,
.sidebar textarea,
.sidebar select,
.content input,
.content textarea,
.content select {
  width: 100%;
  padding: 10px;
  margin: 6px 0;
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  outline: none;
}

.sidebar input::placeholder,
.sidebar textarea::placeholder,
.content input::placeholder,
.content textarea::placeholder {
  color: rgba(198, 220, 255, 0.55);
}

.sidebar input:focus,
.sidebar textarea:focus,
.sidebar select:focus,
.content input:focus,
.content textarea:focus,
.content select:focus {
  border-color: rgba(var(--accent-rgb), 0.6);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.14);
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(234, 242, 255, 0.7) 50%),
    linear-gradient(135deg, rgba(234, 242, 255, 0.7) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 2px),
    calc(100% - 12px) calc(50% - 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

select option {
  color: #111;
}

button {
  padding: 10px 12px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.95), rgba(var(--accent-rgb), 0.55));
  color: #fff;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.18);
  transition: transform 120ms ease, filter 120ms ease;
}

button:hover { filter: brightness(1.05); }
button:active { transform: translateY(1px); }

button.ghost {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(10, 26, 51, 0.92);
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  box-shadow: none;
}

button.danger {
  background: linear-gradient(135deg, rgba(255, 77, 240, 0.75), rgba(255, 55, 55, 0.8));
}

/* Accent outlines for all main blocks ("windows"). */
.panel:focus-within,
dialog:focus-within {
  box-shadow: var(--shadow), var(--panel-glow);
}

.channel-link {
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid var(--panel-border-soft);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.channel-link:hover,
.channel-link.active {
  border-color: var(--panel-border-strong);
  background: rgba(var(--accent-rgb), 0.06);
  box-shadow: var(--panel-glow);
}

.channel-head {
  display: flex;
  gap: 12px;
  align-items: center;
}

.avatar {
  width: 68px;
  height: 68px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  background: rgba(255, 255, 255, 0.06);
}

.post {
  background: var(--post-card-bg);
  border: 2px solid var(--post-card-border);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.post img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 10px;
  margin-top: 8px;
  border: 1px solid rgba(var(--accent-rgb), 0.14);
}

.meta {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
}

.post-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.post-editor {
  margin-top: 10px;
  border-top: 1px solid rgba(var(--accent-rgb), 0.18);
  padding-top: 10px;
}

.topics {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.topic-pill {
  white-space: nowrap;
  padding: 8px 10px;
  border-radius: 8px;
  border: 2px solid var(--panel-border-soft);
  background: rgba(255, 255, 255, 0.70);
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
  font-size: 13px;
  color: rgba(10, 26, 51, 0.88);
}

.topic-pill:hover,
.topic-pill.active {
  border-color: var(--panel-border-strong);
  background: rgba(var(--accent-rgb), 0.10);
  box-shadow: var(--panel-glow);
}

.topic-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 2px solid rgba(var(--accent-rgb), 0.65);
  background: rgba(var(--accent-rgb), 0.08);
}

.topic-admin-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 8px 0;
}

.topic-admin-row input {
  flex: 1;
  margin: 0;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}