/* ============================================
   橙築選物 ChengZhu Shop — Design Tokens
   ============================================ */
:root {
  /* Brand — 橙系 (warm, lively, promo-friendly) */
  --cz-orange: #FF6B2C;        /* primary action, hot price */
  --cz-orange-dark: #E5481A;
  --cz-orange-light: #FFE4D6;
  --cz-amber: #FFB547;         /* accent, badges */
  --cz-yellow: #FFD93D;        /* flash sale */

  /* LINE */
  --line-green: #06C755;
  --line-green-dark: #04A246;

  /* Neutrals — warm-tinted */
  --ink-900: #1A1410;
  --ink-700: #3A2E25;
  --ink-500: #6B5A4D;
  --ink-400: #8C7B6E;
  --ink-300: #B8AA9E;
  --ink-200: #E5DDD3;
  --ink-100: #F2EDE6;
  --ink-50:  #FAF7F2;
  --white:   #FFFFFF;

  /* Status */
  --red-hot: #E5304A;
  --green-ok: #1F9A5C;
  --blue-info: #2B7BD5;

  /* Radii (loose default — switchable via density) */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-pill: 999px;

  /* Shadows */
  --sh-1: 0 1px 2px rgba(26,20,16,0.06), 0 1px 3px rgba(26,20,16,0.04);
  --sh-2: 0 4px 12px rgba(26,20,16,0.08), 0 2px 4px rgba(26,20,16,0.04);
  --sh-3: 0 12px 32px rgba(26,20,16,0.12), 0 4px 8px rgba(26,20,16,0.06);
  --sh-orange: 0 8px 24px rgba(255,107,44,0.28);

  /* Density (overridden by tweaks) */
  --gap: 20px;
  --pad: 20px;
  --card-pad: 16px;
  --section-pad-y: 80px;

  /* Type */
  --font-sans: "Noto Sans TC", "PingFang TC", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-display: "Noto Serif TC", "PingFang TC", serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

[data-density="tight"] {
  --gap: 12px;
  --pad: 14px;
  --card-pad: 12px;
  --section-pad-y: 56px;
}

[data-density="loose"] {
  --gap: 28px;
  --pad: 28px;
  --card-pad: 20px;
  --section-pad-y: 104px;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-sans); color: var(--ink-900); background: var(--ink-50); -webkit-font-smoothing: antialiased; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; padding: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
input, textarea, select { font-family: inherit; }

/* Utility helpers */
.cz-btn-primary {
  background: var(--cz-orange);
  color: white;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--sh-orange);
  transition: transform .15s ease, box-shadow .15s ease, background .15s;
}
.cz-btn-primary:hover { transform: translateY(-1px); background: var(--cz-orange-dark); }
.cz-btn-primary:active { transform: translateY(0); }

.cz-btn-line {
  background: var(--line-green);
  color: white;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 18px rgba(6,199,85,0.32);
  transition: transform .15s ease, background .15s;
}
.cz-btn-line:hover { transform: translateY(-1px); background: var(--line-green-dark); }

.cz-btn-ghost {
  border: 1.5px solid var(--ink-200);
  background: white;
  color: var(--ink-900);
  padding: 10px 18px;
  border-radius: var(--r-pill);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: border-color .15s, background .15s;
}
.cz-btn-ghost:hover { border-color: var(--ink-900); background: var(--ink-50); }

.cz-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  background: var(--ink-100);
  color: var(--ink-700);
}
.cz-chip-hot { background: linear-gradient(135deg, #FFE4D6, #FFD3B8); color: var(--cz-orange-dark); }
.cz-chip-line { background: rgba(6,199,85,0.12); color: var(--line-green-dark); }
.cz-chip-new { background: #E8F5E8; color: var(--green-ok); }

/* Scrollbar polish */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ink-200); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-300); }