/* ============================================================
   서울메트로9호선 대시보드 — Figma Marketing 디자인 토큰
   - Monochrome chrome (black/white) + pastel color blocks
   - figmaSans → Pretendard / Inter, figmaMono → JetBrains Mono
   ============================================================ */

:root {
  /* Brand & Accent */
  --color-primary:        #000000;
  --color-on-primary:     #FFFFFF;
  --color-accent-magenta: #FF0061;

  /* Surface */
  --color-canvas:         #FFFFFF;
  --color-inverse-canvas: #000000;
  --color-surface-soft:   #F5F5F0;
  --color-hairline:       #1F1F1F;
  --color-hairline-soft:  #E5E5E5;

  /* Color blocks (signature) */
  --color-block-lime:  #D5E96E;
  --color-block-lilac: #DDD2FF;
  --color-block-cream: #FFEDD0;
  --color-block-mint:  #B5E5C5;
  --color-block-pink:  #FFC2DC;
  --color-block-coral: #FF9D87;
  --color-block-navy:  #19193B;

  /* Text */
  --color-ink:               #000000;
  --color-inverse-ink:       #FFFFFF;

  /* Semantic */
  --color-success:           #008236;
  --color-overlay-scrim:     rgba(0,0,0,0.60);

  /* Spacing */
  --sp-hair: 1px;
  --sp-xxs:  4px;
  --sp-xs:   8px;
  --sp-sm:  12px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  32px;
  --sp-xxl: 48px;
  --sp-section: 96px;

  /* Radius */
  --r-xs:   2px;
  --r-sm:   6px;
  --r-md:   8px;
  --r-lg:  24px;
  --r-xl:  32px;
  --r-pill: 50px;
  --r-full: 9999px;

  /* Fonts */
  --font-sans: 'Pretendard', 'Inter', 'SF Pro Display', system-ui, helvetica, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--color-canvas);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; padding: 0; color: inherit; }
input, select, textarea { font-family: inherit; }

/* ===== Typography ===== */
.t-display-xl { font-size: 86px; font-weight: 340; line-height: 1.00; letter-spacing: -1.72px; }
.t-display-lg { font-size: 64px; font-weight: 340; line-height: 1.10; letter-spacing: -0.96px; }
.t-display-md { font-size: 48px; font-weight: 340; line-height: 1.10; letter-spacing: -0.72px; }
.t-headline   { font-size: 26px; font-weight: 540; line-height: 1.35; letter-spacing: -0.26px; }
.t-subhead    { font-size: 26px; font-weight: 340; line-height: 1.35; letter-spacing: -0.26px; }
.t-card-title { font-size: 24px; font-weight: 700; line-height: 1.45; }
.t-body-lg    { font-size: 20px; font-weight: 330; line-height: 1.40; letter-spacing: -0.14px; }
.t-body       { font-size: 18px; font-weight: 320; line-height: 1.45; letter-spacing: -0.26px; }
.t-body-sm    { font-size: 16px; font-weight: 330; line-height: 1.45; letter-spacing: -0.14px; }
.t-link       { font-size: 20px; font-weight: 480; line-height: 1.40; letter-spacing: -0.10px; }
.t-button     { font-size: 20px; font-weight: 480; line-height: 1.40; letter-spacing: -0.10px; }
.t-button-sm  { font-size: 16px; font-weight: 480; line-height: 1.40; letter-spacing: -0.05px; }
.t-eyebrow    { font-size: 18px; font-weight: 400; line-height: 1.30; letter-spacing: 0.54px; font-family: var(--font-mono); text-transform: uppercase; }
.t-eyebrow-sm { font-size: 14px; font-weight: 400; line-height: 1.30; letter-spacing: 0.42px; font-family: var(--font-mono); text-transform: uppercase; }
.t-caption    { font-size: 12px; font-weight: 400; line-height: 1.00; letter-spacing: 0.60px; font-family: var(--font-mono); text-transform: uppercase; }

/* ===== Buttons (pill = the only shape) ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: var(--r-pill); font-size: 20px; font-weight: 480; letter-spacing: -0.10px; line-height: 1.40; transition: transform .12s ease; white-space: nowrap; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: #1a1a1a; }
.btn-secondary { background: var(--color-canvas); color: var(--color-ink); padding: 8px 18px 10px; box-shadow: inset 0 0 0 1px transparent; }
.btn-secondary:hover { background: var(--color-surface-soft); }
.btn-magenta { background: var(--color-accent-magenta); color: var(--color-on-primary); padding: 10px 18px; }
.btn-sm { font-size: 16px; padding: 8px 16px; }
.btn-lg { font-size: 22px; padding: 14px 28px; }
.btn-xl { font-size: 26px; padding: 18px 36px; font-weight: 540; }
.btn-block { display: flex; justify-content: center; width: 100%; }
.btn-on-dark { background: var(--color-canvas); color: var(--color-ink); }
.btn-on-dark-secondary { background: rgba(255,255,255,0.16); color: var(--color-on-primary); }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--r-full); background: var(--color-surface-soft); display: inline-flex; align-items: center; justify-content: center; }
.btn-icon-inverse { background: rgba(255,255,255,0.16); color: var(--color-on-primary); }

/* ===== Top nav ===== */
.top-nav { background: var(--color-canvas); border-bottom: 1px solid var(--color-hairline-soft); height: 56px; display: flex; align-items: center; position: sticky; top: 0; z-index: 30; }
.top-nav-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.top-nav-links { display: flex; align-items: center; gap: 0; }
.top-nav-link { padding: 10px 14px; font-size: 16px; font-weight: 480; letter-spacing: -0.05px; color: var(--color-ink); border-radius: var(--r-full); white-space: nowrap; }
.top-nav-link:hover { background: var(--color-surface-soft); }
.top-nav-link.active { font-weight: 540; }
.brand-wordmark { font-weight: 700; font-size: 22px; letter-spacing: -0.66px; }

/* ===== Marquee strip (under nav) ===== */
.marquee { background: var(--color-inverse-canvas); color: var(--color-inverse-ink); height: 36px; display: flex; align-items: center; overflow: hidden; }
.marquee-inner { display: flex; gap: 56px; padding: 0 24px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.6px; text-transform: uppercase; white-space: nowrap; animation: marquee-scroll 40s linear infinite; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== Color blocks ===== */
.block { border-radius: var(--r-lg); padding: var(--sp-xxl); }
.block-lime  { background: var(--color-block-lime); color: var(--color-ink); }
.block-lilac { background: var(--color-block-lilac); color: var(--color-ink); }
.block-cream { background: var(--color-block-cream); color: var(--color-ink); }
.block-mint  { background: var(--color-block-mint); color: var(--color-ink); }
.block-pink  { background: var(--color-block-pink); color: var(--color-ink); }
.block-coral { background: var(--color-block-coral); color: var(--color-ink); }
.block-navy  { background: var(--color-block-navy); color: var(--color-inverse-ink); }
.block-navy .btn-secondary { background: rgba(255,255,255,0.92); }

/* ===== Layout ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.section { margin-top: var(--sp-section); }
.section-sm { margin-top: var(--sp-xxl); }

/* ===== Cards ===== */
.card-hl { background: var(--color-canvas); border: 1px solid var(--color-hairline-soft); border-radius: var(--r-lg); padding: var(--sp-lg); }
.card-soft { background: var(--color-surface-soft); border-radius: var(--r-md); padding: var(--sp-md); }
.tile { background: var(--color-surface-soft); border-radius: var(--r-md); padding: var(--sp-lg); }

/* ===== Form inputs ===== */
.input { background: var(--color-canvas); border: 1px solid var(--color-hairline-soft); border-radius: var(--r-md); padding: 12px 14px; font-size: 16px; font-weight: 330; letter-spacing: -0.14px; width: 100%; }
.input:focus { outline: none; box-shadow: 0 0 0 2px var(--color-primary); }
.input-pill { border-radius: var(--r-pill); padding: 10px 18px; }

/* ===== Chips ===== */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: var(--r-pill); font-size: 14px; font-weight: 480; letter-spacing: -0.05px; }
.chip-dark { background: var(--color-primary); color: var(--color-on-primary); }
.chip-light { background: var(--color-surface-soft); color: var(--color-ink); border: 1px solid var(--color-hairline-soft); }
.chip-coral { background: var(--color-block-coral); color: var(--color-ink); }
.chip-lime  { background: var(--color-block-lime); color: var(--color-ink); }
.chip-mono { font-family: var(--font-mono); text-transform: uppercase; font-size: 12px; letter-spacing: 0.5px; padding: 4px 10px; }

/* ===== Modal ===== */
.modal-scrim { position: fixed; inset: 0; background: var(--color-overlay-scrim); z-index: 60; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-card { width: 100%; max-width: 720px; border-radius: var(--r-xl); padding: var(--sp-xxl); position: relative; }
.modal-close { position: absolute; top: 20px; right: 20px; width: 40px; height: 40px; border-radius: var(--r-full); display: inline-flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.08); }
.modal-card.block-navy .modal-close { background: rgba(255,255,255,0.16); color: var(--color-inverse-ink); }
.modal-card.block-coral .modal-close { background: rgba(0,0,0,0.12); }

/* ===== Toast ===== */
.toast { position: fixed; top: 80px; right: 24px; z-index: 50; max-width: 380px; }
.toast-card { background: var(--color-primary); color: var(--color-on-primary); border-radius: var(--r-lg); padding: var(--sp-md) var(--sp-lg); }

/* ===== Table ===== */
.tbl { width: 100%; border-collapse: collapse; }
.tbl thead th { text-align: left; font-family: var(--font-mono); text-transform: uppercase; font-size: 12px; letter-spacing: 0.6px; font-weight: 400; color: var(--color-ink); padding: 14px 12px; border-bottom: 1px solid var(--color-hairline); }
.tbl tbody td { padding: 18px 12px; border-bottom: 1px solid var(--color-hairline-soft); font-size: 16px; font-weight: 330; }
.tbl tbody tr:hover { background: var(--color-surface-soft); }
.tbl-mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.3px; }

/* ===== Footer ===== */
.footer { padding: var(--sp-section) 24px; background: var(--color-canvas); border-top: 1px solid var(--color-hairline-soft); }
.footer-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; }
.footer-wordmark { font-size: 86px; font-weight: 340; letter-spacing: -1.72px; line-height: 1; }
.footer-col-head { font-family: var(--font-mono); text-transform: uppercase; font-size: 12px; letter-spacing: 0.6px; margin-bottom: 16px; }
.footer-link { display: block; font-size: 16px; font-weight: 330; padding: 6px 0; }
.footer-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ===== Sidebar (in-page nav for sections) ===== */
.tabs { display: flex; gap: 6px; padding: 4px; background: var(--color-surface-soft); border-radius: var(--r-pill); width: fit-content; }
.tab { padding: 10px 22px; border-radius: var(--r-pill); font-size: 16px; font-weight: 480; letter-spacing: -0.05px; color: var(--color-ink); }
.tab.selected { background: var(--color-primary); color: var(--color-on-primary); }

/* ===== SVG helpers ===== */
.pulse-ring { animation: pulse-ring 1.8s ease-out infinite; transform-origin: center; }
@keyframes pulse-ring {
  0%,100% { transform: scale(0.9); opacity: .5; }
  50% { transform: scale(1.8); opacity: 0; }
}
@keyframes flame-shake { 0%,100% { transform: rotate(-3deg); } 50% { transform: rotate(3deg); } }
.flame-shake { animation: flame-shake .6s ease-in-out infinite; transform-origin: center bottom; }
@keyframes modal-in { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-enter { animation: modal-in .2s ease-out forwards; }
@keyframes toast-in { from { transform: translateY(-8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.toast-enter { animation: toast-in .2s ease-out forwards; }

/* ===== Severity helpers ===== */
.dot { width: 10px; height: 10px; border-radius: var(--r-full); display: inline-block; }
.dot-ok   { background: #008236; }
.dot-warn { background: #C77400; }
.dot-crit { background: #C53030; }

/* ===== Grid utilities ===== */
.grid { display: grid; gap: var(--sp-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
  .col-8, .col-7, .col-6, .col-9 { grid-column: span 6; }
  .col-4, .col-3, .col-5 { grid-column: span 3; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-wordmark { font-size: 56px; letter-spacing: -1.12px; }
}
@media (max-width: 768px) {
  .top-nav-links { display: none; }
  .block { padding: var(--sp-xl); border-radius: 0; margin-left: -24px; margin-right: -24px; }
  .t-display-xl { font-size: 48px; letter-spacing: -0.96px; }
  .t-display-lg { font-size: 40px; letter-spacing: -0.60px; }
  .modal-card { padding: var(--sp-xl); }
  .footer-wordmark { font-size: 42px; letter-spacing: -0.84px; }
}

/* ===== Utility ===== */
.muted { opacity: .65; }
.tabular { font-variant-numeric: tabular-nums; }
.full-bleed { width: 100vw; margin-left: calc(50% - 50vw); }