:root {
  --bg: #f5efe2;
  --panel: rgba(255, 252, 245, 0.85);
  --panel-border: rgba(92, 64, 51, 0.14);
  --text: #2d241c;
  --muted: #6f6257;
  --accent: #c85c31;
  --accent-deep: #8f3718;
  --good: #0d8a56;
  --warn: #cf7a00;
  --bad: #b0392e;
  --shadow: 0 18px 50px rgba(96, 72, 48, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 211, 153, 0.7), transparent 30%),
    radial-gradient(circle at top right, rgba(200, 92, 49, 0.22), transparent 25%),
    linear-gradient(180deg, #f4ecd8 0%, #f8f4ec 45%, #efe6d7 100%);
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 40px;
}

.hero,
.panel {
  backdrop-filter: blur(14px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-deep);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(28px, 4vw, 42px);
}

.hero-copy,
.hint,
.subtle-text,
.stock-note,
.rules-list,
.activity-log,
label span {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.primary-btn,
.ghost-btn {
  border-radius: 999px;
  border: none;
  cursor: pointer;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
}

.primary-btn {
  color: #fff8f2;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
}

.ghost-btn {
  color: var(--accent-deep);
  background: rgba(200, 92, 49, 0.08);
  border: 1px solid rgba(200, 92, 49, 0.15);
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 22px;
}

.controls-panel,
.log-panel {
  align-self: start;
}

.leaderboard-panel,
.watchlist-panel {
  grid-column: 2;
}

.controls-panel {
  grid-row: span 2;
}

.stack-form,
.watch-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

label {
  display: grid;
  gap: 7px;
}

input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(92, 64, 51, 0.16);
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.status-pill,
.signal-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status-pill {
  background: rgba(15, 138, 86, 0.1);
  color: var(--good);
}

.watch-form {
  grid-template-columns: 1fr 1fr auto;
}

.watch-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.watch-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(143, 55, 24, 0.08);
  color: var(--accent-deep);
  font-size: 13px;
}

.watch-tag button {
  border: none;
  background: transparent;
  cursor: pointer;
  color: inherit;
  padding: 0;
  font-size: 14px;
}

.metrics-grid,
.stock-grid {
  display: grid;
  gap: 14px;
}

.metrics-grid {
  margin-top: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card,
.stock-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(92, 64, 51, 0.1);
  border-radius: 20px;
}

.metric-card {
  padding: 16px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.metric-card strong {
  font-size: 24px;
}

.stock-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  min-height: 120px;
}

.stock-card {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.card-top,
.price-row,
.score-wrap {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.stock-symbol {
  font-size: 22px;
}

.stock-price {
  font-size: 32px;
}

.stock-change.is-up {
  color: var(--good);
}

.stock-change.is-down {
  color: var(--bad);
}

.signal-badge.signal-strong {
  background: rgba(13, 138, 86, 0.14);
  color: var(--good);
}

.signal-badge.signal-watch {
  background: rgba(207, 122, 0, 0.13);
  color: var(--warn);
}

.signal-badge.signal-weak {
  background: rgba(176, 57, 46, 0.12);
  color: var(--bad);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.detail-grid dt {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.detail-grid dd {
  margin: 0;
  font-weight: 600;
}

.rules-list {
  padding-left: 18px;
  line-height: 1.7;
}

.activity-log {
  margin-top: 16px;
  display: grid;
  gap: 10px;
  max-height: 250px;
  overflow: auto;
}

.log-item {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(92, 64, 51, 0.1);
  font-size: 13px;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 120px;
  border-radius: 20px;
  border: 1px dashed rgba(92, 64, 51, 0.2);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.44);
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .controls-panel,
  .watchlist-panel,
  .leaderboard-panel,
  .log-panel {
    grid-column: auto;
    grid-row: auto;
  }

  .watch-form,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

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