:root {
  --bg: #f4f7f7;
  --card: rgba(255, 255, 255, 0.9);
  --line: rgba(20, 28, 40, 0.12);
  --text: #13202c;
  --muted: #5f6f7c;
  --primary: #005f73;
  --primary-2: #0a9396;
  --accent: #ee6c4d;
  --ok: #1f8a70;
  --bad: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 8%, #d9f3ef 0, #f4f7f7 34%),
    radial-gradient(circle at 88% 90%, #ffe9cf 0, transparent 40%);
}

.app-shell {
  width: min(1320px, 95vw);
  margin: 1.2rem auto 2rem;
}

.hidden { display: none !important; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 24px rgba(17, 22, 33, 0.08);
}

.auth-card {
  max-width: 500px;
  margin: 9vh auto;
  padding: 1.1rem;
}

.dashboard {
  display: grid;
  gap: 0.8rem;
}

h1, h2, h3, h4, p { margin: 0; }

.sub { color: var(--muted); }

.form-grid,
.form-inline {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.form-grid { flex-direction: column; margin-top: .8rem; }

input, select, button, textarea {
  font: inherit;
}

input, select {
  min-height: 39px;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 0.55rem 0.72rem;
  background: #fff;
}

input:focus, select:focus {
  outline: 2px solid rgba(10, 147, 150, 0.2);
  border-color: var(--primary-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 0;
  padding: 0.6rem 0.92rem;
  background: #e9eef1;
  color: #1c2a35;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(130deg, var(--primary), var(--primary-2));
}

.btn-accent {
  color: #fff;
  background: linear-gradient(130deg, #e56b6f, var(--accent));
}

.btn-mini {
  padding: 0.35rem 0.58rem;
  font-size: 0.83rem;
}

.msg { min-height: 1.2rem; margin-top: 0.5rem; color: var(--muted); }

.state-ok { color: var(--ok) !important; }
.state-bad { color: var(--bad) !important; }

.topbar, .stream-control, .metric-item, .pane, .admin-panel { padding: 0.9rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .8rem;
}

.control-line {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  align-items: end;
}

.grow { flex: 1; min-width: 280px; display: grid; gap: .35rem; }

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: .6rem;
  color: var(--muted);
  font-size: .92rem;
}

.toggle-row label {
  display: inline-flex;
  gap: .4rem;
  align-items: center;
}

.metrics-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-value {
  font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  font-weight: 700;
  margin-top: .28rem;
}

.panes-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .55rem;
  gap: .4rem;
}

.feed-list {
  min-height: 180px;
  height: min(48vh, 510px);
  overflow: auto;
  padding-right: .2rem;
}

.feed-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .58rem;
  margin-bottom: .52rem;
  background: rgba(255,255,255,.82);
}

.feed-item .meta { font-size: .78rem; color: var(--muted); margin-bottom: .2rem; }
.feed-item .body { font-size: .94rem; line-height: 1.42; }
.gift-row {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.gift-thumb {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: #fff;
  flex: 0 0 auto;
}

.table-wrap { overflow: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: .5rem .38rem; border-bottom: 1px solid var(--line); font-size: .9rem; text-align: left; }

.row-actions { display: flex; gap: .34rem; flex-wrap: wrap; }

.analytics-box {
  margin-top: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.78);
  padding: .72rem;
}

.leaderboard {
  margin-top: .6rem;
  border-top: 1px dashed var(--line);
  padding-top: .55rem;
}

.leader-item { font-size: .9rem; color: var(--muted); margin-bottom: .24rem; }

.mt { margin-top: .9rem; }

@media (max-width: 1080px) {
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panes-grid { grid-template-columns: 1fr; }
  .feed-list { height: 35vh; }
}

@media (max-width: 640px) {
  .app-shell { width: 96vw; margin-top: .8rem; }
  .topbar, .stream-control, .metric-item, .pane, .admin-panel { padding: .72rem; border-radius: 12px; }
  .metrics-grid { grid-template-columns: 1fr; }
}