/* CopyTrade admin surface. Trading-terminal look, light + dark tokens.
   No build step, no dependencies: custom properties + native CSS animation. */

:root {
  color-scheme: light;
  --bg: #eef1f7;
  --bg-grid: rgba(15, 23, 42, 0.045);
  --panel: #ffffff;
  --panel-2: #f7f9fc;
  --line: #dde4ee;
  --line-strong: #c6d0df;
  --text: #0d1424;
  --muted: #5d6b83;
  --accent: #b07d05;
  --accent-ink: #fff;
  --accent-soft: rgba(240, 185, 11, 0.16);
  --up: #0e9f6e;
  --down: #d3303c;
  --info: #2563eb;
  --warn: #b45309;
  --shadow: 0 1px 2px rgba(13, 20, 36, 0.06), 0 8px 24px -16px rgba(13, 20, 36, 0.24);
  --shadow-lift: 0 2px 4px rgba(13, 20, 36, 0.08), 0 18px 36px -20px rgba(13, 20, 36, 0.32);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070a11;
  --bg-grid: rgba(148, 176, 224, 0.05);
  --panel: #10151f;
  --panel-2: #151b28;
  --line: #212a3a;
  --line-strong: #303c51;
  --text: #e4eaf6;
  --muted: #7f8da6;
  --accent: #f0b90b;
  --accent-ink: #17110a;
  --accent-soft: rgba(240, 185, 11, 0.14);
  --up: #16c784;
  --down: #ea3943;
  --info: #60a5fa;
  --warn: #fbbf24;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 12px 32px -20px rgba(0, 0, 0, 0.9);
  --shadow-lift: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 22px 48px -24px rgba(0, 0, 0, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background:
    radial-gradient(1100px 520px at 50% -10%, var(--accent-soft), transparent 70%),
    linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0 / 100% 44px,
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px) 0 0 / 44px 100%,
    var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--info); }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 17px; }
h2 { font-size: 14px; }
.muted { color: var(--muted); }
.mono, td.num, .kpi-value { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.up { color: var(--up); }
.down { color: var(--down); }
.zero { color: var(--muted); }

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 13px;
}

.brand svg { color: var(--accent); }

.spacer { flex: 1 1 auto; }

.clock {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.who { font-size: 12px; color: var(--muted); }

/* ---------- ticker ---------- */

.ticker {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  gap: 26px;
  padding: 7px 0;
  animation: slide 64s linear infinite;
}

.ticker:hover .ticker-track { animation-play-state: paused; }

.tick {
  display: flex;
  gap: 7px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

.tick b { font-weight: 600; letter-spacing: 0.04em; }

@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 49px;
  z-index: 15;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.nav::-webkit-scrollbar { display: none; }

.nav a {
  flex: none;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.nav a:hover { color: var(--text); border-color: var(--line-strong); background: var(--panel); }

main { max-width: 1240px; margin: 0 auto; padding: 20px 16px 64px; }

/* ---------- KPI tiles ---------- */

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.kpi {
  position: relative;
  overflow: hidden;
  padding: 13px 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.kpi::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
  transform: translateX(-100%);
  animation: sweep 5.5s ease-in-out infinite;
}

.kpi:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }

.kpi-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.kpi-value { font-size: 23px; font-weight: 620; letter-spacing: -0.02em; margin-top: 3px; }
.kpi-foot { font-size: 11px; color: var(--muted); margin-top: 2px; }

@keyframes sweep { 0%, 55% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

/* ---------- panels ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  scroll-margin-top: 108px;
  animation: rise 0.42s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

.panel:nth-of-type(2) { animation-delay: 0.05s; }
.panel:nth-of-type(3) { animation-delay: 0.1s; }
.panel:nth-of-type(4) { animation-delay: 0.15s; }
.panel:nth-of-type(5) { animation-delay: 0.2s; }
.panel:nth-of-type(6) { animation-delay: 0.25s; }
.panel:nth-of-type(n + 7) { animation-delay: 0.3s; }

@keyframes rise { from { opacity: 0; transform: translateY(10px); } }

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 12px;
  margin-right: 8px;
  border-radius: 2px;
  background: var(--accent);
  vertical-align: -1px;
}

.panel-body { padding: 14px 16px; }
.panel-body > p:first-child { margin-top: 0; }
.panel-body > :last-child { margin-bottom: 0; }

.stats { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.stat { font-size: 12px; color: var(--muted); }
.stat strong { display: block; font-family: var(--mono); font-size: 14px; color: var(--text); font-weight: 600; }

/* ---------- badges, chips, dots ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  color: var(--muted);
  background: color-mix(in srgb, currentColor 10%, transparent);
}

.badge.b-up, .badge.b-healthy, .badge.b-ok, .badge.b-filled, .badge.b-submitted, .badge.b-buy { color: var(--up); }
.badge.b-down, .badge.b-blocked, .badge.b-rejected, .badge.b-limited_live, .badge.b-sell { color: var(--down); }
.badge.b-unknown, .badge.b-warn, .badge.b-pending, .badge.b-submitting { color: var(--warn); }
.badge.b-info, .badge.b-paper, .badge.b-shadow { color: var(--info); }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.chip {
  display: inline-flex;
  gap: 5px;
  align-items: baseline;
  padding: 2px 8px;
  margin: 2px 4px 2px 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel-2);
  font-family: var(--mono);
  font-size: 11.5px;
}

.chip.up { border-color: color-mix(in srgb, var(--up) 45%, var(--line)); }
.chip.down { border-color: color-mix(in srgb, var(--down) 45%, var(--line)); }

/* ---------- execution rail ---------- */

.rail { display: flex; align-items: center; gap: 0; margin: 4px 0 14px; }

.rail-step {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

.rail-step i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  transition: background 0.3s, border-color 0.3s;
}

.rail-step.done { color: var(--text); }
.rail-step.done i { background: var(--up); border-color: var(--up); }
.rail-step.live { color: var(--accent); }
.rail-step.live i { background: var(--accent); border-color: var(--accent); animation: pulse 2s infinite; }

.rail-bar {
  flex: 1 1 auto;
  height: 1.5px;
  margin: 0 10px;
  background: var(--line);
  overflow: hidden;
}

.rail-bar.done { background: var(--up); }

/* ---------- equity chart ---------- */

.chart { margin: 4px 0 16px; }

/* Off-screen but focusable: labels drive it, arrow keys still work. */
.range-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.chart-head { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }

/* Proportional figures: tabular-nums makes a display-size number read loose. */
.hero-value { font-size: 26px; font-weight: 650; letter-spacing: -0.02em; }
.hero-sub { font-size: 11px; color: var(--muted); margin-top: 1px; }

.range-tabs {
  display: flex;
  gap: 3px;
  padding: 3px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.range-tabs label {
  display: inline-flex;
  padding: 3px 13px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.range-tabs label:hover { color: var(--text); }

.chart-hero, .chart-figure { display: none; }
.chart-figure { margin: 0; }

#equity-7d:checked ~ .chart-head .chart-hero[data-range="7d"],
#equity-30d:checked ~ .chart-head .chart-hero[data-range="30d"] { display: block; }

#equity-7d:checked ~ .chart-figure[data-range="7d"],
#equity-30d:checked ~ .chart-figure[data-range="30d"] { display: block; }

#equity-7d:checked ~ .chart-head .range-tabs label[data-range="7d"],
#equity-30d:checked ~ .chart-head .range-tabs label[data-range="30d"] {
  background: var(--accent);
  color: var(--accent-ink);
}

.range-radio:focus-visible ~ .chart-head .range-tabs { box-shadow: 0 0 0 3px var(--accent-soft); }

.spark { display: block; width: 100%; height: auto; }
.spark.up { color: var(--up); }
.spark.down { color: var(--down); }
.spark.zero { color: var(--muted); }

.spark-zero { stroke: var(--line-strong); stroke-width: 1; }
.spark-area { fill: currentColor; fill-opacity: 0.1; animation: fade 0.6s 0.35s ease both; }

.spark-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 1.05s cubic-bezier(0.3, 0.7, 0.3, 1) forwards;
}

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { from { opacity: 0; } }

/* Surface ring keeps markers legible where they cross the line. */
.spark-end, .spark-dot { fill: currentColor; stroke: var(--panel); stroke-width: 2; }
.spark-end { animation: fade 0.4s 0.9s ease both; }

.spark-endlabel, .spark-axis, .spark-tip { font-family: var(--mono); font-size: 12px; }
.spark-endlabel { fill: var(--text); font-weight: 600; animation: fade 0.4s 0.9s ease both; }
.spark-axis { fill: var(--muted); }
.spark-tip { fill: var(--text); font-weight: 600; stroke: var(--panel); stroke-width: 3; }

.spark-cross { stroke: var(--line-strong); stroke-width: 1; }
.spark-hit { cursor: crosshair; }
.spark-hit .spark-cross, .spark-hit .spark-dot, .spark-hit .spark-tip { opacity: 0; transition: opacity 0.1s; }
.spark-hit:hover .spark-cross, .spark-hit:hover .spark-dot, .spark-hit:hover .spark-tip { opacity: 1; }

.chart-empty { padding: 26px 0; text-align: center; }
.chart-figure > .collapse { margin-top: 8px; }

/* ---------- forms ---------- */

form.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 11px;
  align-items: end;
}

form.grid + form.grid, .gap { margin-top: 13px; }

label { display: block; font-size: 12px; color: var(--muted); }

input, select, textarea {
  width: 100%;
  margin-top: 5px;
  padding: 8px 10px;
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, .nav a:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea { min-height: 70px; resize: vertical; font-family: var(--mono); font-size: 12px; }
input[inputmode="numeric"], input[name$="ratio"], input[name^="max_"] { font-family: var(--mono); }

button {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-top: 5px;
  padding: 9px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-ink);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 92%, #fff), var(--accent));
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.08s;
}

button:hover { filter: brightness(1.07); }
button:active { transform: translateY(1px); }

button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 38%, rgba(255, 255, 255, 0.5), transparent 62%);
  transform: translateX(-140%);
}

button:hover::after { animation: sheen 0.65s ease; }

@keyframes sheen { to { transform: translateX(140%); } }

button.ghost {
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
}

button.danger { color: #fff; background: linear-gradient(180deg, color-mix(in srgb, var(--down) 88%, #fff), var(--down)); }
button.slim { width: auto; padding: 5px 11px; font-size: 12px; margin: 0; }

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  margin-top: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.check input { width: auto; margin: 0; accent-color: var(--accent); }
.inline { display: inline; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }
.actions form { margin: 0; }

/* ---------- tables ---------- */

.scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 12.5px; }

th {
  position: sticky;
  top: 0;
  padding: 8px 10px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

tbody tr { transition: background 0.12s; }
tbody tr:hover { background: var(--panel-2); }
td.num { text-align: right; }
td.wrap { max-width: 340px; word-break: break-word; }
.empty { color: var(--muted); text-align: center; padding: 18px; }

/* ---------- misc ---------- */

.collapse > summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
  list-style: none;
}

.collapse > summary::-webkit-details-marker { display: none; }
.collapse > summary::before {
  content: "›";
  display: inline-block;
  width: 12px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s;
}

.collapse[open] > summary::before { transform: rotate(90deg); }
.collapse[open] > :not(summary) { animation: rise 0.28s ease both; }

.alert {
  display: flex;
  gap: 9px;
  padding: 11px 14px;
  margin-bottom: 14px;
  border: 1px solid color-mix(in srgb, var(--down) 45%, var(--line));
  border-left-width: 3px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--down) 9%, var(--panel));
  color: var(--text);
  animation: rise 0.3s ease both;
}

.hint { font-size: 12px; color: var(--muted); }

.theme-toggle {
  width: auto;
  margin: 0;
  padding: 6px;
  display: grid;
  place-items: center;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
}

.theme-toggle svg { display: block; transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.25s; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
.theme-toggle:hover svg { transform: rotate(30deg); }

/* ---------- login ---------- */

body.login { display: grid; place-items: center; min-height: 100vh; padding: 20px; }

.card {
  width: min(392px, 100%);
  padding: 30px 28px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lift);
  backdrop-filter: blur(8px);
  animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

.card .brand { justify-content: center; font-size: 15px; margin-bottom: 4px; }
.card p { text-align: center; margin: 0 0 20px; font-size: 12px; color: var(--muted); }
.card label { margin-top: 14px; }
.card button { margin-top: 22px; padding: 11px; }
.card .theme-toggle { margin: 18px auto 0; }

/* ---------- accessibility ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 720px) {
  .topbar { padding: 10px 14px; }
  .clock, .who { display: none; }
  .nav { top: 49px; padding: 8px 14px; }
  main { padding: 14px 12px 48px; }
  .kpi-value { font-size: 20px; }
}