/* ============================================================
   Quintara Service — 全站共用：設計變數、reset、共用元件
   ============================================================ */
:root {
  --bg: #faf8f5;
  --bg-alt: #f3efe9;
  --surface: #ffffff;
  --ink: #232733;
  --ink-soft: #5b6272;
  --line: #e7e2da;

  --primary: #BC8B48;
  --primary-dark: #9C7236;
  --primary-soft: #F3E7CE;

  --navy: #0D3674;
  --navy-2: #123E80;

  --teal: #2f9e8f;
  --danger: #c0392b;
  --ok: #2f9e8f;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(28, 34, 48, 0.08);
  --shadow-lg: 0 24px 60px rgba(28, 34, 48, 0.16);

  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: min(1120px, 92%); margin: 0 auto; }

/* ---------- 按鈕 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.4rem; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  cursor: pointer; border: 1px solid transparent; transition: all 0.2s ease; font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(156, 114, 54, 0.4); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost.on-dark { color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.btn-ghost.on-dark:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.btn-lg { padding: 0.9rem 2rem; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a93226; }

/* ---------- 品牌 ---------- */
.brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 900; font-size: 1.25rem; }
.brand-mark {
  height: 44px; width: auto; max-width: 180px;
  object-fit: contain; flex: 0 0 auto;
}
.brand-text span { color: var(--primary); font-weight: 900; margin-left: 2px; }
.brand.on-dark { color: #fff; }

/* ---------- 表單 ---------- */
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 700; margin-bottom: 0.4rem; font-size: 0.95rem; }
.form-group label span { color: var(--primary); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.98rem; color: var(--ink); background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(188, 139, 72, 0.2); background: #fff;
}
.form-note { margin-top: 0.8rem; font-size: 0.82rem; color: var(--ink-soft); line-height: 1.6; }
.form-error { color: var(--danger); font-size: 0.88rem; margin: 0.5rem 0; min-height: 1.2em; }

/* ---------- 應用頁頂欄 ---------- */
.app-header { position: sticky; top: 0; z-index: 100; background: var(--navy); color: #fff; box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15); }
.app-header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.app-header .brand { color: #fff; }
.app-header-right { display: flex; align-items: center; gap: 1rem; }
.app-user { color: rgba(255, 255, 255, 0.85); font-size: 0.95rem; }
.app-link { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; }
.app-link:hover { color: #fff; }
.app-main { padding: 2.5rem 0 4rem; }

/* ---------- 響應式 ---------- */
@media (max-width: 640px) {
  .brand { font-size: 1.05rem; }
  .brand-mark { height: 34px; }
  .brand-text span { display: none; }
  .app-link { display: none; }
  .app-header-right { gap: 0.7rem; }
}