:root {
  --bg: #0b1020;
  --bg-elev: #121a2f;
  --bg-card: #162038;
  --bg-soft: #1c2744;
  --border: rgba(148, 163, 184, 0.18);
  --text: #e8eefc;
  --muted: #9aa8c7;
  --faint: #6b7a9b;
  --accent: #5b8cff;
  --accent-2: #34d399;
  --warn: #fbbf24;
  --danger: #fb7185;
  --chip-new: #34d399;
  --chip-up: #60a5fa;
  --chip-down: #94a3b8;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --max: 1080px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fb;
    --bg-elev: #ffffff;
    --bg-card: #ffffff;
    --bg-soft: #eef3fb;
    --border: rgba(15, 23, 42, 0.08);
    --text: #0f172a;
    --muted: #475569;
    --faint: #64748b;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(91, 140, 255, 0.22), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(52, 211, 153, 0.12), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(100% - 2rem, var(--max)); margin: 0 auto; }

/* Top nav */
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.75rem 0;
}
.brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 700; letter-spacing: 0.02em; }
.brand-mark {
  width: 2rem; height: 2rem; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #081018; font-size: 0.85rem;
}
.nav-links { display: flex; flex-wrap: wrap; gap: 0.35rem 0.75rem; }
.nav-links a {
  color: var(--muted); font-size: 0.92rem; padding: 0.35rem 0.55rem;
  border-radius: 999px;
}
.nav-links a:hover { color: var(--text); background: var(--bg-soft); text-decoration: none; }

.menu-btn {
  display: none; border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text); border-radius: 10px; padding: 0.45rem 0.7rem; font: inherit;
}

/* Hero */
.hero { padding: 2.4rem 0 1.2rem; }
.hero-card {
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 16%, var(--bg-card)), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow);
}
.kicker {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; color: var(--accent-2); font-weight: 600;
  background: color-mix(in srgb, var(--accent-2) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 35%, transparent);
  padding: 0.25rem 0.65rem; border-radius: 999px; margin-bottom: 0.85rem;
}
.hero h1 { margin: 0 0 0.6rem; font-size: clamp(1.55rem, 4.5vw, 2.15rem); line-height: 1.25; }
.hero-lead { margin: 0; color: var(--muted); max-width: 52rem; }
.meta-row {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem;
}
.pill {
  font-size: 0.82rem; color: var(--muted);
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 0.28rem 0.7rem; border-radius: 999px;
}
.pill strong { color: var(--text); font-weight: 650; }

/* Sections */
section { padding: 1.6rem 0; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.section-head h2 { margin: 0; font-size: 1.35rem; }
.section-head p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.95rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset;
}
.card + .card { margin-top: 0.85rem; }
.grid-2 { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 0.85rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.85rem; }

.list-tight { margin: 0; padding-left: 1.15rem; }
.list-tight li { margin: 0.35rem 0; }
.muted { color: var(--muted); }
.faint { color: var(--faint); font-size: 0.9rem; }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 0.15rem 0.48rem; border-radius: 999px; vertical-align: middle;
  text-transform: none;
}
.badge-new { background: color-mix(in srgb, var(--chip-new) 18%, transparent); color: var(--chip-new); border: 1px solid color-mix(in srgb, var(--chip-new) 40%, transparent); }
.badge-up { background: color-mix(in srgb, var(--chip-up) 18%, transparent); color: var(--chip-up); border: 1px solid color-mix(in srgb, var(--chip-up) 40%, transparent); }
.badge-down { background: color-mix(in srgb, var(--chip-down) 14%, transparent); color: var(--chip-down); border: 1px solid color-mix(in srgb, var(--chip-down) 30%, transparent); }
.badge-hard { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); }
.badge-noise { background: color-mix(in srgb, var(--faint) 16%, transparent); color: var(--faint); border: 1px solid var(--border); }

/* Skills */
.skill-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 999px; padding: 0.35rem 0.7rem; font-size: 0.9rem;
}
.skill-chip .count { font-family: var(--mono); font-size: 0.78rem; color: var(--faint); }
.skill-chip.is-new { border-color: color-mix(in srgb, var(--chip-new) 50%, var(--border)); }
.skill-chip.is-risen { border-color: color-mix(in srgb, var(--chip-up) 50%, var(--border)); }

/* Jobs */
.filters { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.85rem; }
.filter-btn {
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--muted);
  border-radius: 999px; padding: 0.35rem 0.75rem; font: inherit; font-size: 0.88rem; cursor: pointer;
}
.filter-btn.active { color: var(--text); border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); background: color-mix(in srgb, var(--accent) 16%, var(--bg-soft)); }

.job {
  border: 1px solid var(--border); border-radius: 14px; padding: 0.95rem 1rem;
  background: var(--bg-elev); margin-top: 0.65rem;
}
.job-top { display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center; margin-bottom: 0.35rem; }
.job-title { margin: 0; font-size: 1.02rem; line-height: 1.35; }
.job-meta { color: var(--faint); font-size: 0.86rem; margin: 0.25rem 0 0.45rem; }
.job-preview { margin: 0; color: var(--muted); font-size: 0.92rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.55rem; }
.tag {
  font-size: 0.75rem; color: var(--muted); background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: 8px; padding: 0.12rem 0.45rem;
}

/* Capability table */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.cap {
  width: 100%; border-collapse: collapse; min-width: 640px; font-size: 0.92rem;
}
table.cap th, table.cap td {
  text-align: left; padding: 0.7rem 0.65rem; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.cap th { color: var(--faint); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.04em; }
table.cap tr:hover td { background: color-mix(in srgb, var(--accent) 5%, transparent); }

/* Self assessment */
.must-grid { display: grid; gap: 0.65rem; }
.must-item {
  display: grid; grid-template-columns: auto 1fr auto; gap: 0.75rem; align-items: start;
  padding: 0.85rem 0.9rem; border-radius: 14px; border: 1px solid var(--border); background: var(--bg-elev);
}
.must-id {
  font-family: var(--mono); font-size: 0.78rem; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 8px; padding: 0.25rem 0.45rem; margin-top: 0.15rem;
}
.must-item h3 { margin: 0 0 0.25rem; font-size: 0.98rem; }
.must-item p { margin: 0; color: var(--muted); font-size: 0.88rem; }
.score-btns { display: flex; gap: 0.3rem; }
.score-btns button {
  width: 2.1rem; height: 2.1rem; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--muted); cursor: pointer; font-size: 0.95rem;
}
.score-btns button.active-ok { background: color-mix(in srgb, var(--accent-2) 22%, var(--bg-soft)); color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 45%, var(--border)); }
.score-btns button.active-mid { background: color-mix(in srgb, var(--warn) 20%, var(--bg-soft)); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--border)); }
.score-btns button.active-no { background: color-mix(in srgb, var(--danger) 18%, var(--bg-soft)); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }

/* Timeline / phases */
.phase {
  position: relative; padding-left: 1.15rem; margin: 0 0 0.85rem;
  border-left: 2px solid color-mix(in srgb, var(--accent) 45%, var(--border));
}
.phase::before {
  content: ""; position: absolute; left: -6px; top: 0.45rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
.phase h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.phase .when { color: var(--accent-2); font-size: 0.82rem; font-weight: 600; margin-bottom: 0.35rem; }

.check { list-style: none; padding: 0; margin: 0.4rem 0 0; }
.check li {
  display: grid; grid-template-columns: 1.25rem 1fr; gap: 0.55rem; align-items: start;
  margin: 0.35rem 0; color: var(--muted); font-size: 0.92rem;
}
.check input { margin-top: 0.25rem; accent-color: var(--accent); width: 1.05rem; height: 1.05rem; }
.check li.done span { color: var(--faint); text-decoration: line-through; }

.overview {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.55rem; margin-top: 0.75rem;
}
.ov {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px;
  padding: 0.7rem 0.65rem; text-align: center;
}
.ov .w { font-family: var(--mono); font-size: 0.75rem; color: var(--faint); }
.ov .t { font-size: 0.88rem; font-weight: 650; margin-top: 0.2rem; }

footer {
  padding: 2rem 0 calc(2.2rem + var(--safe-bottom));
  color: var(--faint); font-size: 0.86rem; border-top: 1px solid var(--border); margin-top: 1rem;
}

.empty {
  padding: 1.2rem; text-align: center; color: var(--faint);
  border: 1px dashed var(--border); border-radius: 14px;
}

@media (max-width: 860px) {
  .grid-2, .grid-3, .overview { grid-template-columns: 1fr; }
  .overview { grid-template-columns: repeat(2, 1fr); }
  .must-item { grid-template-columns: auto 1fr; }
  .score-btns { grid-column: 1 / -1; justify-content: flex-start; }
  .menu-btn { display: inline-flex; }
  .nav-links {
    display: none; width: 100%; flex-direction: column;
    padding-bottom: 0.6rem;
  }
  .nav-links.open { display: flex; }
  .topbar-inner { flex-wrap: wrap; }
  .hero { padding-top: 1.4rem; }
}

@media (max-width: 420px) {
  .wrap { width: min(100% - 1.25rem, var(--max)); }
  .card, .hero-card { padding: 1rem; }
}