/* ============================================================
   Airbnb-inspired Design System — 세탁관리 시스템
   출처: DESIGN.md (getdesign add airbnb). 이모지 금지·SVG 아이콘 원칙.
   중앙 토큰 → 51페이지 단계적 적용.
   ============================================================ */

:root {
  /* Brand & Accent */
  --ab-primary: #ff385c;
  --ab-primary-active: #e00b41;
  --ab-primary-disabled: #ffd1da;

  /* Surface */
  --ab-canvas: #ffffff;
  --ab-surface-soft: #f7f7f7;
  --ab-surface-strong: #f2f2f2;

  /* Hairlines & Borders */
  --ab-hairline: #dddddd;
  --ab-hairline-soft: #ebebeb;
  --ab-border-strong: #c1c1c1;

  /* Text */
  --ab-ink: #222222;
  --ab-body: #3f3f3f;
  --ab-muted: #6a6a6a;
  --ab-muted-soft: #929292;
  --ab-on-primary: #ffffff;

  /* Semantic */
  --ab-error: #c13515;
  --ab-error-hover: #b32505;
  --ab-success: #008a05;
  --ab-legal-link: #428bff;

  /* Scrim */
  --ab-scrim: rgba(0, 0, 0, 0.5);

  /* Spacing (4px base, 2px micro) */
  --ab-xxs: 2px;  --ab-xs: 4px;  --ab-sm: 8px;  --ab-md: 12px;
  --ab-base: 16px; --ab-lg: 24px; --ab-xl: 32px; --ab-xxl: 48px; --ab-section: 64px;

  /* Radius */
  --ab-r-sm: 8px; --ab-r-md: 12px; --ab-r-full: 9999px;

  /* Elevation — 시스템 유일 그림자 */
  --ab-shadow: rgba(0,0,0,0.02) 0 0 0 1px, rgba(0,0,0,0.04) 0 2px 6px 0, rgba(0,0,0,0.1) 0 4px 8px 0;

  /* Typography */
  --ab-font: "Inter", "Airbnb Cereal VF", Circular, -apple-system, system-ui, Roboto, "Helvetica Neue", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --ab-container: 1280px;
}

/* Inter 웹폰트 (Cereal 대체) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---------- Base (opt-in via .ab-scope 또는 body 적용) ---------- */
.ab-scope, body.ab {
  font-family: var(--ab-font);
  color: var(--ab-ink);
  background: var(--ab-canvas);
  -webkit-font-smoothing: antialiased;
}

.ab-container { max-width: var(--ab-container); margin: 0 auto; padding: 0 var(--ab-lg); }

/* ---------- Buttons ---------- */
.ab-btn {
  font-family: var(--ab-font); font-size: 16px; font-weight: 500; line-height: 1.25;
  border-radius: var(--ab-r-sm); padding: 14px 24px; min-height: 48px;
  border: 1px solid transparent; cursor: pointer; display: inline-flex;
  align-items: center; justify-content: center; gap: var(--ab-sm);
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.ab-btn-primary { background: var(--ab-primary); color: var(--ab-on-primary); }
.ab-btn-primary:hover { background: var(--ab-primary-active); }
.ab-btn-primary:active { background: var(--ab-primary-active); }
.ab-btn-primary:disabled { background: var(--ab-primary-disabled); cursor: not-allowed; }
.ab-btn-secondary { background: var(--ab-canvas); color: var(--ab-ink); border-color: var(--ab-ink); }
.ab-btn-secondary:hover { background: var(--ab-surface-soft); }
.ab-btn-tertiary { background: none; border: none; color: var(--ab-ink); padding: 8px 12px; min-height: auto; }
.ab-btn-tertiary:hover { text-decoration: underline; }
.ab-btn-pill { border-radius: var(--ab-r-full); padding: 10px 20px; min-height: auto; font-size: 14px; }

/* ---------- Inputs ---------- */
.ab-input, .ab-select, .ab-textarea {
  font-family: var(--ab-font); font-size: 16px; color: var(--ab-ink);
  background: var(--ab-canvas); border: 1px solid var(--ab-hairline);
  border-radius: var(--ab-r-sm); padding: 12px 14px; min-height: 56px; width: 100%;
  box-sizing: border-box; transition: border-color .15s ease, border-width .15s ease;
}
.ab-input:focus, .ab-select:focus, .ab-textarea:focus {
  outline: none; border: 2px solid var(--ab-ink); padding: 11px 13px;
}
.ab-input::placeholder { color: var(--ab-muted); }
.ab-label { display: block; font-size: 14px; font-weight: 500; color: var(--ab-muted); margin-bottom: var(--ab-xs); }

/* ---------- Cards ---------- */
.ab-card {
  background: var(--ab-canvas); border: 1px solid var(--ab-hairline);
  border-radius: var(--ab-r-md); padding: var(--ab-lg);
}
.ab-card-hover:hover { box-shadow: var(--ab-shadow); }

/* ---------- Badges / pills ---------- */
.ab-badge {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: var(--ab-r-full); padding: 4px 10px; font-size: 12px; font-weight: 600;
  background: var(--ab-surface-strong); color: var(--ab-ink);
}
.ab-badge-primary { background: var(--ab-primary); color: var(--ab-on-primary); }

/* ---------- Tables ---------- */
.ab-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ab-table th { text-align: left; font-weight: 600; color: var(--ab-muted); padding: 12px 16px; border-bottom: 1px solid var(--ab-hairline); }
.ab-table td { padding: 14px 16px; border-bottom: 1px solid var(--ab-hairline-soft); color: var(--ab-body); }
.ab-table tr:hover td { background: var(--ab-surface-soft); }

/* ---------- Typography helpers ---------- */
.ab-h1 { font-size: 28px; font-weight: 700; line-height: 1.43; color: var(--ab-ink); }
.ab-h2 { font-size: 22px; font-weight: 500; line-height: 1.18; letter-spacing: -0.44px; color: var(--ab-ink); }
.ab-h3 { font-size: 20px; font-weight: 600; line-height: 1.2; color: var(--ab-ink); }
.ab-muted { color: var(--ab-muted); }
.ab-body { color: var(--ab-body); font-size: 16px; line-height: 1.5; }

/* ---------- Modal ---------- */
.ab-scrim { position: fixed; inset: 0; background: var(--ab-scrim); z-index: 1000; }
.ab-modal { background: var(--ab-canvas); border-radius: var(--ab-r-md); box-shadow: var(--ab-shadow); padding: var(--ab-lg); max-width: 560px; width: calc(100% - 32px); }

/* ---------- SVG icon helper (이모지 대체) ---------- */
.ab-icon { display: inline-block; width: 20px; height: 20px; vertical-align: -4px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ab-icon-sm { width: 16px; height: 16px; vertical-align: -3px; }

/* ---------- Touch targets (모바일 44px 최소) ---------- */
@media (max-width: 767px) {
  .ab-btn { min-height: 48px; }
}