/* ========== Coca-Cola AX PRD Showcase — shared design system ========== */

:root {
  --cc-red: #F40009;
  --cc-red-deep: #C2000A;
  --cc-red-soft: #FFE7E9;
  --ink: #1A1A1A;
  --ink-2: #4A4A4A;
  --ink-3: #7A7A7A;
  --paper: #FFFFFF;
  --bg: #FAF7F4;
  --line: #EADFD8;
  --line-2: #F5ECE7;
  --ok: #16A34A;
  --ok-soft: #E8F8EE;
  --warn: #F59E0B;
  --warn-soft: #FEF3C7;
  --danger: #DC2626;
  --danger-soft: #FDECEC;
  --info: #2563EB;
  --info-soft: #DBEAFE;
  --shadow: 0 10px 30px rgba(196, 0, 10, .08), 0 2px 6px rgba(0, 0, 0, .04);
  --shadow-lift: 0 16px 40px rgba(196, 0, 10, .14), 0 4px 10px rgba(0, 0, 0, .06);
  --radius: 24px;
  --radius-sm: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(1100px 600px at 12% -10%, #FFE0E3 0%, transparent 60%),
    radial-gradient(900px 600px at 110% 0%, #FFF1E3 0%, transparent 55%),
    var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 32px 24px 88px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 28px 24px 80px; }

/* ===== Header / Brand ===== */
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--cc-red); font-weight: 800; font-size: 14px;
  letter-spacing: .04em; text-transform: uppercase;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cc-red); box-shadow: 0 0 0 4px rgba(244, 0, 9, .15);
}
.brand small { color: var(--ink-3); font-weight: 600; letter-spacing: 0; text-transform: none; font-size: 13px; }

.back-nav {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink-3); text-decoration: none; font-weight: 700; font-size: 14px;
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; transition: all .15s ease;
}
.back-nav:hover { color: var(--cc-red); border-color: var(--cc-red); }

/* ===== Hero ===== */
.hero {
  margin-top: 22px;
  background: linear-gradient(180deg, #fff 0%, #FFF7F7 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 36px 36px; box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: auto -80px -100px auto;
  width: 360px; height: 360px;
  background: radial-gradient(circle, #FFD7DA 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; top: -60px; left: -40px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, #FFE7C9 0%, transparent 70%);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.2; margin: 12px 0 12px; letter-spacing: -.02em; }
.hero h1 .accent { color: var(--cc-red); }
.hero p.lead { margin: 0; color: var(--ink-2); font-size: 16.5px; line-height: 1.7; max-width: 720px; }

/* ===== Section ===== */
.section { margin-top: 48px; }
.section-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.section-head h2 {
  font-size: clamp(20px, 3vw, 24px); margin: 0; letter-spacing: -.01em;
  display: inline-flex; align-items: center; gap: 10px;
}
.section-head .badge {
  background: var(--cc-red-soft); color: var(--cc-red);
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase;
}
.section-head p.sub { margin: 0; color: var(--ink-3); font-size: 14px; }

/* ===== Card ===== */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card-sm {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 20px;
}
.card h3 { margin: 0 0 10px; font-size: 18px; letter-spacing: -.01em; }
.card p { margin: 0 0 8px; color: var(--ink-2); font-size: 14.5px; line-height: 1.65; }

/* ===== KPI Grid ===== */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.kpi {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 20px 22px; position: relative; overflow: hidden;
}
.kpi .label { color: var(--ink-3); font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.kpi .value { display: block; margin-top: 6px; font-size: 32px; font-weight: 800; color: var(--cc-red); letter-spacing: -.02em; }
.kpi .hint { display: block; margin-top: 4px; font-size: 12.5px; color: var(--ink-3); }

/* ===== Cluster cards (theme groups) ===== */
.cluster-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.cluster {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px; transition: box-shadow .15s ease, transform .15s ease;
}
.cluster:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.cluster .icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--cc-red-soft); color: var(--cc-red);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 12px;
}
.cluster h3 { font-size: 17px; margin: 0 0 6px; }
.cluster .desc { color: var(--ink-2); font-size: 13.5px; line-height: 1.6; margin-bottom: 12px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-block; padding: 4px 10px;
  background: var(--cc-red-soft); color: var(--cc-red);
  border-radius: 999px; font-size: 12px; font-weight: 700; text-decoration: none;
}
.chip:hover { background: var(--cc-red); color: #fff; }
.chip.muted { background: var(--line-2); color: var(--ink-2); }

/* ===== Pain points ===== */
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.pain {
  background: #fff; border-left: 4px solid var(--cc-red); border-radius: var(--radius-sm);
  border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 18px 20px;
}
.pain .head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.pain .num {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--cc-red); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px;
}
.pain h3 { margin: 0; font-size: 15.5px; }
.pain p { margin: 0 0 6px; font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.pain .impact { font-size: 12px; color: var(--ink-3); font-weight: 700; }

/* ===== Advice list ===== */
.advice {
  display: flex; gap: 16px; padding: 20px 22px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  margin-bottom: 12px;
}
.advice .pri {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px;
}
.advice .pri.p1 { background: var(--danger-soft); color: var(--danger); }
.advice .pri.p2 { background: var(--warn-soft); color: var(--warn); }
.advice .pri.p3 { background: var(--info-soft); color: var(--info); }
.advice h3 { margin: 0 0 4px; font-size: 16px; }
.advice p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.6; }

/* ===== App card grid (index → 18 pages) ===== */
.app-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.app-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 22px 20px; text-decoration: none; color: inherit;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  display: flex; flex-direction: column; gap: 8px; min-height: 180px;
}
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: var(--cc-red); }
.app-card .author { font-size: 12.5px; font-weight: 700; color: var(--cc-red); letter-spacing: .04em; text-transform: uppercase; }
.app-card h3 { margin: 0; font-size: 17px; letter-spacing: -.01em; }
.app-card .summary { color: var(--ink-2); font-size: 13.5px; line-height: 1.55; flex: 1; }
.app-card .footer { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; font-size: 13px; }
.app-card .tag { background: var(--line-2); color: var(--ink-2); padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.app-card .go { color: var(--cc-red); font-weight: 800; }

/* ===== Charts ===== */
.bar-chart { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 110px 1fr 50px; align-items: center; gap: 12px; }
.bar-row .lbl { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.bar-row .track { height: 14px; background: #F3E6E7; border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.bar-row .fill { height: 100%; background: linear-gradient(90deg, var(--cc-red), #FF5760); }
.bar-row .val { font-size: 13px; font-weight: 800; color: var(--cc-red); text-align: right; }

.donut-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.donut { width: 160px; height: 160px; flex: 0 0 auto; }
.legend { display: flex; flex-direction: column; gap: 8px; }
.legend .li { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-2); }
.legend .li .sw { width: 14px; height: 14px; border-radius: 4px; }

/* ===== Buttons / Inputs ===== */
.btn {
  appearance: none; border: 0; cursor: pointer; font-family: inherit; font-weight: 800; font-size: 15px;
  padding: 12px 20px; border-radius: 12px; transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  user-select: none; display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary { background: var(--cc-red); color: #fff; box-shadow: 0 8px 22px rgba(244, 0, 9, .28); }
.btn-primary:hover { transform: translateY(-1px); background: var(--cc-red-deep); }
.btn-primary:disabled { background: #C9B7B7; box-shadow: none; cursor: not-allowed; transform: none; }
.btn-ghost { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--cc-red); color: var(--cc-red); }

input[type="text"], input[type="number"], input[type="date"], input[type="password"],
input[type="file"], textarea, select {
  width: 100%; font-family: inherit; font-size: 14.5px;
  padding: 11px 14px; border-radius: 10px; border: 1.5px solid var(--line);
  background: #fff; color: var(--ink); transition: border-color .12s ease, box-shadow .12s ease;
}
input:focus, textarea:focus, select:focus { outline: 0; border-color: var(--cc-red); box-shadow: 0 0 0 3px var(--cc-red-soft); }
textarea { min-height: 120px; line-height: 1.55; resize: vertical; }
label { display: block; font-weight: 700; font-size: 13.5px; color: var(--ink-2); margin-bottom: 6px; }
.field { margin-bottom: 14px; }

/* ===== Table ===== */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line-2); }
table.data th { background: #FFF7F7; font-weight: 800; font-size: 13px; color: var(--ink-2); letter-spacing: .02em; }
table.data tr:last-child td { border-bottom: 0; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
.status-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.status-pill.ok { background: var(--ok-soft); color: var(--ok); }
.status-pill.warn { background: var(--warn-soft); color: var(--warn); }
.status-pill.danger { background: var(--danger-soft); color: var(--danger); }
.status-pill.info { background: var(--info-soft); color: var(--info); }

/* ===== PRD page sections (apps/*) ===== */
.prd-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 10px 0 18px; }
.prd-meta .item { background: #FFF7F7; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.prd-meta .k { font-size: 12px; color: var(--ink-3); font-weight: 700; }
.prd-meta .v { font-size: 14.5px; font-weight: 700; color: var(--ink); margin-top: 2px; }

.score-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 14px; }
.score {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.score .name { color: var(--ink-3); font-size: 12.5px; font-weight: 700; }
.score .stars { font-size: 18px; color: var(--cc-red); letter-spacing: 2px; margin-top: 4px; }
.score .note { color: var(--ink-2); font-size: 12.5px; margin-top: 4px; line-height: 1.5; }

/* ===== API key (BYOK) box ===== */
.byok {
  background: #FFFDF7; border: 1px dashed var(--warn); border-radius: var(--radius-sm);
  padding: 16px 18px; margin-bottom: 18px;
}
.byok .head { display: flex; align-items: center; gap: 8px; font-weight: 800; color: var(--warn); margin-bottom: 8px; font-size: 14px; }
.byok p { margin: 0 0 10px; color: var(--ink-2); font-size: 13px; line-height: 1.55; }
.byok .row { display: flex; gap: 8px; align-items: stretch; }
.byok .row input { flex: 1; }
.byok .row .btn { padding: 9px 14px; font-size: 13.5px; }
.byok-status { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.byok-status.saved { color: var(--ok); font-weight: 700; }

/* ===== Misc ===== */
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
hr.soft { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.code-block {
  background: #1A1A1A; color: #FFD7DA; padding: 14px 16px;
  border-radius: 10px; font-family: "JetBrains Mono", "SF Mono", Consolas, monospace;
  font-size: 13px; line-height: 1.55; overflow-x: auto;
}

footer.site {
  margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line);
  color: var(--ink-3); font-size: 13px; text-align: center;
}

@media (max-width: 640px) {
  .wrap, .wrap-narrow { padding: 22px 18px 64px; }
  .hero { padding: 28px 22px; }
  .bar-row { grid-template-columns: 90px 1fr 44px; }
}