:root {
  --mh-hero-start: #eef3fa;
  --mh-hero-end: #f7f8fb;
  --mh-hero-border: rgba(47, 111, 237, 0.08);
  --mh-radius: 14px;
  --mh-radius-sm: 10px;
  --mh-radius-xs: 8px;
}

[data-theme="dark"] {
  --mh-hero-start: #162044;
  --mh-hero-end: #101828;
  --mh-hero-border: rgba(47, 111, 237, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

/* === Topbar === */
.mh-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 100;
}

.mh-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mh-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--mh-radius-xs);
  background: linear-gradient(135deg, var(--twelve), #1a5ad4);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

.mh-logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.mh-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mh-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: var(--mh-radius-xs);
  transition: .15s;
}

.mh-link:hover { color: var(--twelve); background: var(--twelve-bg); }

.mh-theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--mh-radius-xs);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: .15s;
}

.mh-theme-toggle:hover { background: var(--twelve-bg); border-color: var(--twelve); }

/* === Hero === */
.mh-hero {
  margin: 16px;
  padding: 28px 22px;
  border-radius: var(--mh-radius);
  background: linear-gradient(135deg, var(--mh-hero-start), var(--mh-hero-end));
  border: 1px solid var(--mh-hero-border);
  box-shadow: var(--shadow);
}

.mh-hero-content { max-width: 640px; }

.mh-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--panel);
}

.mh-pill--brand {
  background: var(--twelve-bg);
  color: var(--twelve);
  border-color: rgba(47, 111, 237, 0.18);
  margin-bottom: 12px;
}

.mh-hero-title {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.mh-hero-sub {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* === Container === */
.mh-container {
  margin: 0 16px;
  padding-bottom: 24px;
}

/* === Chips === */
.mh-chips {
  display: flex;
  gap: 8px;
  padding: 4px 0 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.mh-chips::-webkit-scrollbar { display: none; }

.mh-chip {
  flex-shrink: 0;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: .15s;
  user-select: none;
}

.mh-chip:hover { border-color: var(--twelve); color: var(--twelve); background: var(--twelve-bg); }

.mh-chip.active {
  background: var(--twelve);
  color: #fff;
  border-color: var(--twelve);
  box-shadow: 0 4px 12px rgba(47, 111, 237, 0.25);
}

/* === Card List === */
.mh-card-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.mh-card {
  display: grid;
  grid-template-columns: 5px 1fr;
  background: var(--panel);
  border-radius: var(--mh-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: .15s;
}

.mh-card:hover { border-color: rgba(47, 111, 237, 0.2); transform: translateY(-1px); }

.mh-card.dim { opacity: .55; background: var(--bg); }

.mh-card-bar {
  background: var(--line);
}

.mh-card-bar.nomination { background: linear-gradient(180deg, #2f6fed, #7ba4f0); }
.mh-card-bar.qualifier  { background: linear-gradient(180deg, #7c3aed, #b89cf0); }
.mh-card-bar.group_vote { background: linear-gradient(180deg, #0f766e, #5eead4); }
.mh-card-bar.final      { background: linear-gradient(180deg, #eab308, #fde68a); }
.mh-card-bar.ended      { background: linear-gradient(180deg, #94a3b8, #cbd5e1); }

.mh-card-body { padding: 16px; min-width: 0; }

.mh-card-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.mh-card-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--mh-radius-xs);
  background: var(--twelve-bg);
  color: var(--twelve);
  font-weight: 700;
}

.mh-card-club {
  font-size: 12px;
  color: var(--muted);
}

.mh-card-stage {
  margin-left: auto;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.mh-card-stage.nomination { background: var(--twelve-bg); color: var(--twelve); }
.mh-card-stage.qualifier  { background: rgba(124, 58, 237, 0.08); color: #7c3aed; }
.mh-card-stage.group_vote { background: rgba(15, 118, 110, 0.08); color: #0f766e; }
.mh-card-stage.final      { background: var(--gold-bg); color: var(--gold); }
.mh-card-stage.ended      { background: var(--bg); color: var(--muted); }

.mh-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mh-card-desc {
  font-size: 13px;
  color: var(--muted);
}

/* === Load More === */
.mh-load-more {
  display: block;
  margin: 0 auto 20px;
  padding: 10px 32px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--twelve);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: .15s;
}

.mh-load-more:hover { border-color: var(--twelve); background: var(--twelve-bg); }

/* === Stats === */
.mh-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--mh-radius);
  box-shadow: var(--shadow);
}

.mh-stat { text-align: center; }

.mh-stat-num {
  display: block;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  font-size: 22px;
  font-weight: 800;
  color: var(--twelve);
  line-height: 1.2;
}

.mh-stat-label {
  font-size: 12px;
  color: var(--muted);
}

/* === Loading / Empty === */
.mh-loading {
  text-align: center;
  padding: 48px 0;
  color: var(--muted);
  font-size: 14px;
}

.mh-empty {
  text-align: center;
  padding: 40px 0;
  color: var(--muted);
  font-size: 14px;
  border: 1px dashed var(--line);
  border-radius: var(--mh-radius-sm);
  background: var(--bg);
}

/* === Tablet === */
@media (min-width: 640px) {
  .mh-card-list { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

/* === Desktop === */
@media (min-width: 960px) {
  .mh-topbar,
  .mh-hero,
  .mh-container { padding-left: 32px; padding-right: 32px; margin-left: 0; margin-right: 0; }

  .mh-hero { padding: 36px 32px; }
  .mh-hero-title { font-size: 34px; }
  .mh-hero-sub { font-size: 15px; }

  .mh-container { padding-bottom: 36px; }

  .mh-chips { padding: 8px 0 20px; gap: 10px; }
  .mh-chip { padding: 8px 22px; font-size: 14px; }

  .mh-card-list { grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 24px; }
  .mh-card-body { padding: 18px; }
  .mh-card-title { font-size: 17px; }
  .mh-card-desc { font-size: 14px; }

  .mh-stats { padding: 22px; }
  .mh-stat-num { font-size: 28px; }
}

/* === Large Desktop === */
@media (min-width: 1280px) {
  .mh-card-list { grid-template-columns: repeat(4, 1fr); }
}

/* === Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}