/* ===========================================================
   專案管理系統 (PMS) — 主樣式表
   RWD 支援：桌面 / 平板 / 手機
   =========================================================== */

/* ---- CSS Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:    #1a3c6e;
  --primary-2:  #2b5a9e;
  --primary-l:  #e8eef6;
  --success:    #198754;
  --warning:    #ffc107;
  --danger:     #dc3545;
  --gray:       #6c757d;
  --gray-bg:    #f5f6fa;
  --border:     #dee2e6;
  --shadow:     0 2px 8px rgba(0,0,0,0.08);
  --radius:     6px;
  --font:       system-ui, -apple-system, 'Segoe UI', 'Noto Sans TC', sans-serif;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  line-height: 1.6;
  color: #212529;
  background: var(--gray-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-2); text-decoration: underline; }

/* ---- 容器 ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; width: 100%; }

/* ---- 導覽列 ---- */
.navbar {
  background: var(--primary);
  color: #fff;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 0 16px; height: 52px;
}
.nav-brand { font-size: 18px; font-weight: 700; color: #fff; margin-right: 32px; }
.nav-brand:hover { color: #ccc; text-decoration: none; }
.nav-menu { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-menu a {
  color: rgba(255,255,255,0.85); padding: 8px 14px;
  border-radius: 4px; font-size: 14px;
}
.nav-menu a:hover { background: rgba(255,255,255,0.15); color: #fff; text-decoration: none; }
.nav-logout { margin-left: auto; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; padding: 4px 8px; }

/* ---- Footer ---- */
.footer {
  margin-top: auto; background: #fff; border-top: 1px solid var(--border);
  padding: 16px 0; text-align: center; color: var(--gray); font-size: 13px;
}

/* ---- Main ---- */
main { padding: 24px 0; flex: 1; }

/* ---- 頁首區塊 ---- */
.page-head {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.page-head h2 { font-size: 22px; color: var(--primary); }
.page-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---- 統計卡 ---- */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 20px;
}
.stat-card {
  background: #fff; border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); border-left: 4px solid var(--primary);
}
.stat-card.stat-active { border-left-color: var(--success); }
.stat-card.stat-quote  { border-left-color: var(--warning); }
.stat-card.stat-user   { border-left-color: var(--gray); }
.stat-num  { font-size: 32px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 14px; color: var(--gray); margin-top: 4px; }
.stat-active .stat-num { color: var(--success); }
.stat-quote .stat-num  { color: #b8860b; }

/* ---- Row / Col ---- */
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.col { flex: 1; min-width: 0; }
.col-4 { flex: 0 0 calc(33.333% - 11px); }
.col-5 { flex: 0 0 calc(41.666% - 10px); }
.col-6 { flex: 0 0 calc(50% - 8px); }
.col-7 { flex: 0 0 calc(58.333% - 7px); }
.col-8 { flex: 0 0 calc(66.666% - 6px); }

/* ---- Card ---- */
.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.card-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 15px;
}
.card-body { padding: 16px; }

/* ---- Table ---- */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  background: var(--primary-l); color: var(--primary); font-weight: 600;
  padding: 10px 12px; text-align: left; font-size: 13px; white-space: nowrap;
}
.table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:hover { background: #f8f9fa; }
.table .empty { text-align: center; padding: 40px; color: var(--gray); }
.table-wrap { overflow-x: auto; }
.action-cell { white-space: nowrap; }

/* ---- Info Table ---- */
.info-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.info-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); }
.info-label { font-weight: 600; color: var(--gray); width: 120px; white-space: nowrap; }

/* ---- Form ---- */
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; color: #333; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: var(--font);
  transition: border-color 0.2s;
  background: #fff;
}
.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(26,60,110,0.12);
}
.form-group textarea { min-height: 60px; resize: vertical; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }
.search-form { display: flex; gap: 6px; }
.search-input { padding: 6px 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; width: 220px; }
.search-input:focus { outline: none; border-color: var(--primary); }

/* ---- Buttons ---- */
.btn {
  display: inline-block; padding: 8px 18px; border: 1px solid var(--border);
  border-radius: 4px; font-size: 14px; cursor: pointer; background: #fff;
  color: #333; text-decoration: none; transition: all 0.2s; line-height: 1.4;
  font-family: var(--font); white-space: nowrap;
}
.btn:hover { background: #f0f0f0; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-2); }
.btn-secondary { background: var(--gray); color: #fff; border-color: var(--gray); }
.btn-secondary:hover { background: #5a6268; }
.btn-warning { background: #ffc107; color: #212529; border-color: #ffc107; }
.btn-warning:hover { background: #e0a800; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #bd2130; }
.btn-success { background: #28a745; color: #fff; border-color: #28a745; }
.btn-success:hover { background: #218838; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; }

/* ---- Badges ---- */
.progress-badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  color: #fff; font-size: 12px; font-weight: 600; white-space: nowrap;
}
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; vertical-align: middle; }
.role-badge {
  display: inline-block; padding: 2px 8px; border-radius: 3px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
}
.role-admin    { background: #dc3545; color: #fff; }
.role-manager  { background: #0d6efd; color: #fff; }
.role-sales    { background: #198754; color: #fff; }
.role-assistant{ background: #6c757d; color: #fff; }

/* ---- Timeline ---- */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  padding: 12px 16px; border-left: 3px solid var(--border);
  margin-left: 12px; position: relative;
}
.timeline li::before {
  content: ''; position: absolute; left: -9px; top: 18px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gray-bg); border: 2px solid var(--border);
}
.timeline li:last-child { border-left-color: transparent; }
.tl-badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  color: #fff; font-size: 11px; font-weight: 600; margin-bottom: 4px;
}
.tl-meta { display: block; font-size: 12px; color: var(--gray); margin: 2px 0; }
.tl-note { margin-top: 4px; font-size: 13px; color: #555; }

/* ---- Alert ---- */
.alert {
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px;
  font-size: 14px;
}
.alert-success { background: #d1e7dd; color: #0f5132; border: 1px solid #badbcc; }
.alert-error   { background: #f8d7da; color: #842029; border: 1px solid #f5c6cb; }

/* ---- Modal ---- */
.modal {
  display: none; position: fixed; z-index: 999;
  left: 0; top: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.45); justify-content: center; align-items: center;
}
.modal-content {
  background: #fff; border-radius: var(--radius); padding: 24px;
  max-width: 560px; width: 90%; max-height: 85vh; overflow-y: auto;
  position: relative;
}
.modal-close { position: absolute; right: 16px; top: 12px; font-size: 28px; cursor: pointer; color: #aaa; }
.modal-close:hover { color: #333; }
.modal h3 { margin-bottom: 16px; }

/* ---- Autocomplete ---- */
.autocomplete-list {
  position: absolute; z-index: 50; background: #fff;
  border: 1px solid var(--border); border-radius: 4px;
  max-height: 200px; overflow-y: auto; width: 100%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.autocomplete-item {
  padding: 8px 12px; cursor: pointer; border-bottom: 1px solid #f0f0f0;
  font-size: 13px;
}
.autocomplete-item:hover { background: var(--primary-l); }
.product-input { position: relative; }
.product-input ~ .autocomplete-list { width: 280px; }

/* ---- Login ---- */
.login-page {
  display: flex; justify-content: center; align-items: center;
  min-height: 100vh; background: linear-gradient(135deg, #1a3c6e 0%, #2b5a9e 100%);
}
.login-box {
  background: #fff; border-radius: 12px; padding: 40px;
  width: 100%; max-width: 400px; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.login-box h1 { color: var(--primary); text-align: center; margin-bottom: 4px; }
.login-sub  { text-align: center; color: var(--gray); margin-bottom: 24px; font-size: 14px; }
.login-hint { text-align: center; color: var(--gray); font-size: 12px; margin-top: 16px; }

/* ---- Misc ---- */
.text-muted { color: var(--gray); font-size: 13px; }
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ---- RWD ---- */
@media (max-width: 900px) {
  .col-4, .col-5, .col-6, .col-7, .col-8 { flex: 0 0 100%; }
}
@media (max-width: 768px) {
  html { font-size: 14px; }
  .nav-toggle { display: block; }
  .nav-menu {
    display: none; position: absolute; top: 52px; left: 0; right: 0;
    background: var(--primary); flex-direction: column; padding: 8px 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  }
  .nav-menu.show { display: flex; }
  .nav-menu a { padding: 12px 16px; width: 100%; }
  .nav-logout { margin-left: 0; }
  .page-head { flex-direction: column; align-items: flex-start; }
  .page-actions { width: 100%; }
  .form-row { flex-direction: column; gap: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .search-input { width: 100%; }
  .search-form { width: 100%; }
  .table { font-size: 13px; }
  .table th, .table td { padding: 8px; }
  .modal-content { width: 95%; padding: 16px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: 14px; }
  .stat-num { font-size: 24px; }
}