/* ============================================================
   alexischao.com — Shared Theme          v1.2.0 (2026-07-07)
   CANONICAL SOURCE: this file, served live at
   https://alexischao.com/theme.css
   Every subdomain links this URL directly via <link rel="stylesheet">.
   Do NOT fork/copy this file into a subdomain's repo — edit it here
   and every site picks up the change automatically on next load.
   ============================================================

   SUGGESTED CLAUDE PROMPT:
   "Use the alexischao.com theme — c1–c9 rose scale, #f9f4f5 page bg,
   Poppins, 10px card radius, rgba(82,46,56,0.08) shadow" and paste
   this file in — that alone should get consistent output every time
   without re-deriving colors from scratch.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── Color scale (light → dark) ───────────────────── */
  --c1: #ffe0e9; /* lightest blush   — active nav bg, badge bg, dividers */
  --c2: #ffc2d4; /* light pink       — borders, input borders */
  --c3: #ff9ebb; /* soft pink        — bullets, chevrons, meta text */
  --c4: #ff7aa2; /* mid pink         — tertiary accent */
  --c5: #e05780; /* rose             — mid-emphasis badges (white text on top) */
  --c6: #b9375e; /* PRIMARY rose     — brand, active states, buttons, links */
  --c7: #8a2846; /* deep rose        — secondary/label text */
  --c8: #602437; /* darkest rose     — high-contrast badge text */
  --c9: #522e38; /* body text        — warm brown-rose, not pure black */

  /* ── Surfaces ──────────────────────────────────────── */
  --bg-page: #f9f4f5;
  --bg-surface: #fff;
  --bg-hover: #fff0f3;

  /* ── Layout ────────────────────────────────────────── */
  --sidebar-w: 260px;
  --topbar-h: 60px;
  --content-pad: 28px;

  /* ── Shape / elevation ─────────────────────────────── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 6px rgba(82, 46, 56, 0.08);
  --shadow-popover: 0 4px 16px rgba(122, 35, 72, 0.12);

  /* ── Semantic (from cysa quiz states) ─────────────── */
  --success: #3F8F5F;
  --success-bg: rgba(63, 143, 95, 0.07);
  --error: #C24444;
  --error-bg: rgba(194, 68, 68, 0.07);
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-page);
  color: var(--c9);
  min-height: 100vh;
}

/* ── Typography scale ──────────────────────────────── */
h1, .title-lg   { font-size: 1.1rem; font-weight: 700; color: var(--c9); letter-spacing: -0.01em; }
.label-micro     { font-size: 0.7rem; font-weight: 600; color: var(--c7); text-transform: uppercase; letter-spacing: 0.06em; }
.text-body       { font-size: 0.85rem; font-weight: 400; color: var(--c9); }
.text-meta       { font-size: 0.78rem; font-weight: 400; color: var(--c7); }

/* ── Card ──────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
}
.card-bordered {
  background: var(--bg-surface);
  border: 1px solid var(--c1);
  border-radius: var(--radius-lg);
}

/* ── Stat card (accent left border, rotate c6→c3) ─── */
.stat-card { border-left: 4px solid var(--c6); }
.stat-card.sp1 { border-left-color: var(--c6); }
.stat-card.sp2 { border-left-color: var(--c5); }
.stat-card.sp3 { border-left-color: var(--c4); }
.stat-card.sp4 { border-left-color: var(--c3); }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--c6); line-height: 1.1; }

/* ── Buttons ───────────────────────────────────────── */
.btn-primary {
  background: var(--c6);
  color: #fff;
  border: 1px solid var(--c6);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 10px 16px;
  cursor: pointer;
}
.btn-secondary {
  background: rgba(185, 55, 94, 0.08);
  color: var(--c6);
  border: 1px solid var(--c6);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 10px 16px;
  cursor: pointer;
}

/* ── Badges / pills ────────────────────────────────── */
.badge { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 2px 10px; border-radius: var(--radius-pill); white-space: nowrap; }
.badge-primary { background: var(--c1); color: var(--c6); }
.badge-strong  { background: var(--c7); color: var(--c1); }
.badge-mid     { background: var(--c5); color: #fff; }
.count-pill    { background: rgba(185,55,94,0.10); color: var(--c6); font-size: 0.75rem; font-weight: 600; padding: 2px 10px; border-radius: var(--radius-pill); }

/* ── Inputs ────────────────────────────────────────── */
input, select, textarea {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  color: var(--c9);
  background: var(--bg-surface);
  border: 1px solid var(--c2);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--c6); }

/* ── Table ─────────────────────────────────────────── */
table { width: 100%; border-collapse: separate; border-spacing: 0; }
th { background: var(--bg-hover); font-size: 0.7rem; font-weight: 600; color: var(--c7); text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 16px; text-align: left; }
td { font-size: 0.85rem; color: var(--c9); padding: 10px 16px; border-bottom: 1px solid var(--c1); }
tbody tr:hover td { background: var(--bg-hover); }

/* ── Nav item (sidebar pattern) ────────────────────── */
.nav-item { padding: 0 20px; height: 38px; font-size: 0.875rem; font-weight: 500; color: var(--c8); display: flex; align-items: center; cursor: pointer; }
.nav-item:hover { background: var(--bg-hover); }
.nav-item.active { background: var(--c1); color: var(--c6); border-left: 3px solid var(--c6); padding-left: 17px; }

/* ── Topbar + underlined tab nav (cysa/data/anime pattern) ──
   Crisp white bar pinned to the top of the page, with a title
   block on top and an underlined tab row below it. Markup:

   <header class="topbar">
     <div class="topbar-titles">
       <h1 class="title-lg page-title">Site Name</h1>
       <p class="text-meta page-subtitle">One-line description</p>
     </div>
     <div class="topbar-nav">
       <div class="topbar-nav-inner">
         <nav class="nav-tabs">
           <button class="nav-tab is-active">All <span class="nav-tab-count">123</span></button>
           <button class="nav-tab">Section <span class="nav-tab-count">4</span></button>
         </nav>
         <input class="topbar-search" type="search" placeholder="Search…" />
       </div>
     </div>
   </header>
   ─────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--c2);
}

.topbar-titles {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px var(--content-pad) 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.topbar-nav {
  border-top: 1px solid var(--c1);
}

.topbar-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--content-pad);
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 24px;
  overflow-x: auto;
}

.nav-tab {
  flex-shrink: 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--c7);
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 15px 0;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-tab:hover { color: var(--c6); }

.nav-tab.is-active {
  color: var(--c6);
  border-bottom-color: var(--c6);
}

.nav-tab-count { color: var(--c4); font-weight: 600; }
.nav-tab.is-active .nav-tab-count { color: var(--c6); }

.topbar-search {
  margin-left: auto;
  min-width: 180px;
  max-width: 240px;
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-size: 0.78rem;
}

@media (max-width: 640px) {
  .topbar-titles { padding: 20px 16px 14px; }

  .topbar-nav-inner {
    padding: 10px 16px;
    flex-wrap: wrap;
  }

  .topbar-search {
    margin-left: 0;
    max-width: none;
    flex: 1 1 100%;
    order: 2;
  }
}