/* ReadMyLuck Admin Dashboard — minimal, dark, readable */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0e1116;
  --card:        #161b22;
  --card-h:     #1c2230;
  --border:      #262d3a;
  --txt:         #d6dbe3;
  --txt-dim:     #8b95a8;
  --accent:      #c5a059;
  --accent-dim:  rgba(197,160,89,0.15);
  --ok:          #58c884;
  --warn:        #e0a050;
  --bad:         #d85858;
  --link:        #5db4ea;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { font-size: 18px; font-weight: 500; }
.topbar__sub { color: var(--accent); font-weight: 400; margin-left: 4px; }
.topbar__right { display: flex; gap: 12px; align-items: center; }
.topbar__ts { font-size: 11px; color: var(--txt-dim); font-variant-numeric: tabular-nums; }

button, select, input {
  font-family: inherit;
  background: var(--card-h);
  border: 1px solid var(--border);
  color: var(--txt);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
button:hover, select:hover { border-color: var(--accent); }
button:active { transform: translateY(1px); }
input[type=email], input[type=text], input[type=number] { cursor: text; min-width: 240px; }
input:focus { outline: none; border-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding: 24px;
  max-width: 1500px;
  margin: 0 auto;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  overflow: hidden;
}
.card--wide { grid-column: span 2; }
.card h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.card h3 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--txt-dim);
  margin: 16px 0 8px;
}

.big-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

/* Fixed-height wrapper for Chart.js canvases.
   Without an explicit height on the parent of a canvas with
   responsive:true + maintainAspectRatio:false, Chart.js falls into
   an infinite resize loop (canvas grows → parent grows → re-render). */
.chart-wrap {
  position: relative;
  width: 100%;
  height: 200px;
  margin: 6px 0 8px;
}
.chart-wrap canvas {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100% !important;
  height: 100% !important;
}
.big-stat { background: var(--card-h); padding: 12px; border-radius: 6px; }
.big-stat__num { font-size: 22px; font-weight: 500; font-variant-numeric: tabular-nums; }
.big-stat__label { font-size: 10px; color: var(--txt-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }
.big-stat__sub { font-size: 11px; color: var(--txt-dim); margin-top: 2px; }

.kvlist { display: flex; flex-direction: column; gap: 4px; }
.kvlist__row {
  display: flex;
  justify-content: space-between;
  padding: 6px 8px;
  background: var(--card-h);
  border-radius: 4px;
  font-size: 13px;
}
.kvlist__row .kvlist__k { color: var(--txt); }
.kvlist__row .kvlist__v { color: var(--txt-dim); font-variant-numeric: tabular-nums; }
.kvlist--multiline .kvlist__row { flex-direction: column; gap: 2px; align-items: flex-start; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 12px; }

.lookup-row { display: flex; gap: 10px; margin-bottom: 16px; }
#lookup-result { font-size: 13px; }
.lookup-section { margin-top: 16px; }
.lookup-section h3 { margin-bottom: 6px; }
.lookup-row__user {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 14px;
  background: var(--card-h);
  padding: 14px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.lookup-row__user div { font-size: 13px; }
.lookup-row__user strong { color: var(--txt-dim); font-weight: 400; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; display: block; }

.ops-bar { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; padding-top: 12px; border-top: 1px solid var(--border); }
.ops-bar button { background: var(--accent-dim); border-color: rgba(197,160,89,0.3); color: var(--accent); }
.ops-bar button.bad { background: rgba(216,88,88,0.15); border-color: rgba(216,88,88,0.3); color: var(--bad); }
.ops-bar button.ok  { background: rgba(88,200,132,0.15); border-color: rgba(88,200,132,0.3); color: var(--ok); }

.activity-feed { max-height: 600px; overflow-y: auto; font-size: 13px; }
.activity-row {
  display: grid;
  grid-template-columns: 80px 70px 1fr;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.activity-row:last-child { border-bottom: none; }
.activity-row__ts { color: var(--txt-dim); font-size: 11px; font-variant-numeric: tabular-nums; }
.activity-row__type {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}
.activity-row__type--signup  { background: rgba(93,180,234,0.15); color: var(--link); }
.activity-row__type--reading { background: var(--accent-dim);     color: var(--accent); }
.activity-row__type--topup   { background: rgba(88,200,132,0.15); color: var(--ok); }
.activity-row__type--refund  { background: rgba(216,88,88,0.15);  color: var(--bad); }
.activity-row__email { color: var(--link); cursor: pointer; }
.activity-row__email:hover { text-decoration: underline; }
.activity-row__detail { color: var(--txt-dim); }

.activity-filter { display: flex; gap: 16px; margin-bottom: 10px; font-size: 12px; }
.activity-filter label { display: flex; gap: 4px; align-items: center; cursor: pointer; color: var(--txt-dim); }

.audit-action {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.msg-ok  { color: var(--ok);  font-size: 12px; margin-top: 6px; }
.msg-bad { color: var(--bad); font-size: 12px; margin-top: 6px; }

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; padding: 12px; gap: 12px; }
  .card--wide { grid-column: span 1; }
  .topbar { padding: 12px 16px; flex-wrap: wrap; gap: 8px; }
  .topbar h1 { font-size: 16px; }
  .two-col { grid-template-columns: 1fr; }
  .lookup-row__user { grid-template-columns: 1fr; }
  .activity-row { grid-template-columns: 60px 60px 1fr; font-size: 12px; }
  .lookup-row input { min-width: 0; flex: 1; }
}