@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&display=swap');

*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Noto Sans TC',sans-serif;font-size:14px;color:#222;background:#f5f6fa;min-height:100vh}

/* Nav */
.nav{background:#2b3a9b;color:#fff;padding:0 24px;display:flex;align-items:center;height:52px;gap:28px}
.nav-brand{font-weight:700;font-size:16px;text-decoration:none;color:#fff;white-space:nowrap}
.nav a{color:rgba(255,255,255,.8);text-decoration:none;font-size:14px;padding:4px 0}
.nav a:hover,.nav a.active{color:#fff;border-bottom:2px solid #fff}
.nav-spacer{flex:1}

/* Container */
.container{max-width:960px;margin:0 auto;padding:24px 20px}

/* Page header */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-header h1{font-size:20px;font-weight:700}
.header-actions{display:flex;gap:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:6px;font-size:13px;font-family:inherit;cursor:pointer;border:none;text-decoration:none;font-weight:500;transition:opacity .15s;white-space:nowrap}
.btn:hover{opacity:.85}
.btn-primary{background:#2b3a9b;color:#fff}
.btn-secondary{background:#e8eaf6;color:#2b3a9b}
.btn-ghost{background:transparent;color:#6b7280;border:1px solid #e5e7eb}
.btn-danger{background:#fee2e2;color:#dc2626}
.btn-success{background:#dcfce7;color:#16a34a}
.btn-sm{padding:4px 10px;font-size:12px}

/* Cards */
.card{background:#fff;border-radius:8px;border:1px solid #e5e7eb;overflow:hidden;margin-bottom:20px}
.card-header{padding:14px 20px;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between}
.card-header h2{font-size:15px;font-weight:600}
.card-body{padding:20px}

/* Tables */
table{width:100%;border-collapse:collapse}
th{text-align:left;padding:10px 16px;font-size:12px;font-weight:600;color:#6b7280;background:#f9fafb;border-bottom:1px solid #e5e7eb}
td{padding:12px 16px;border-bottom:1px solid #f3f4f6;vertical-align:middle}
tr:last-child td{border-bottom:none}
.table-hover tr:hover td{background:#fafbff}

/* Status badges */
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:600}
.badge-draft{background:#f3f4f6;color:#6b7280}
.badge-sent{background:#dbeafe;color:#1d4ed8}
.badge-accepted{background:#dcfce7;color:#16a34a}
.badge-rejected{background:#fee2e2;color:#dc2626}

/* Forms */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:#374151}
.req{color:#dc2626}
.form-control{width:100%;padding:8px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;font-family:inherit;color:#222;outline:none;background:#fff}
.form-control:focus{border-color:#2b3a9b;box-shadow:0 0 0 3px rgba(43,58,155,.1)}
textarea.form-control{resize:vertical;min-height:80px}
select.form-control{cursor:pointer}

/* Grid */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:8px;border:1px solid #e5e7eb;padding:16px 20px}
.stat-label{font-size:12px;color:#6b7280;margin-bottom:4px}
.stat-value{font-size:28px;font-weight:700;color:#2b3a9b}
.stat-value.sm{font-size:18px}

/* Search bar */
.toolbar{display:flex;gap:10px;margin-bottom:16px;align-items:center}
.toolbar .form-control{max-width:280px}

/* Actions column */
.actions{display:flex;gap:6px;flex-wrap:nowrap}

/* Alert */
.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:13px}
.alert-success{background:#dcfce7;color:#16a34a}
.alert-error{background:#fee2e2;color:#dc2626}
.alert-info{background:#dbeafe;color:#1d4ed8}

/* Info grid */
.info-grid{display:grid;grid-template-columns:130px 1fr;gap:8px 12px;align-items:start}
.info-label{font-size:12px;color:#6b7280;font-weight:500;padding-top:2px}
.info-value{font-size:14px;color:#222}

/* Items table in quotation form */
.items-table{width:100%;border-collapse:collapse;margin-bottom:12px}
.items-table th{background:#f9fafb;padding:8px 8px;font-size:12px;font-weight:600;color:#6b7280;border-bottom:1px solid #e5e7eb;border:1px solid #e5e7eb}
.items-table td{padding:4px 4px;border:1px solid #f0f0f0;vertical-align:middle}
.items-table input,.items-table select{width:100%;padding:6px 7px;border:1px solid #e5e7eb;border-radius:4px;font-size:13px;font-family:inherit;background:#fff}
.items-table input:focus,.items-table select:focus{border-color:#2b3a9b;outline:none}
.items-table .col-name{width:25%}
.items-table .col-desc{width:28%}
.items-table .col-qty{width:9%}
.items-table .col-price{width:13%}
.items-table .col-total{width:13%}
.items-table .col-act{width:4%;text-align:center}

/* Total summary */
.total-summary{margin-left:auto;width:300px}
.total-row{display:flex;justify-content:space-between;padding:6px 0;font-size:13px;border-bottom:1px solid #f3f4f6}
.total-row:last-child{border-bottom:none}
.total-row.grand{font-weight:700;font-size:16px;color:#2b3a9b;border-top:2px solid #2b3a9b;border-bottom:none;padding-top:10px;margin-top:4px}
.total-label{color:#6b7280}

/* Filter tabs */
.filter-tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.filter-tab{padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid #e5e7eb;background:#fff;color:#6b7280;font-family:inherit}
.filter-tab.active{background:#2b3a9b;color:#fff;border-color:#2b3a9b}

/* Empty state */
.empty{text-align:center;padding:48px 20px;color:#9ca3af}
.empty-icon{font-size:40px;margin-bottom:12px}

/* Info box */
.infobox{background:#f0f4ff;border:1px solid #c7d2fe;border-radius:6px;padding:12px 16px;font-size:13px;color:#3730a3;margin-bottom:16px}

/* Form footer */
.form-footer{display:flex;gap:10px;padding-top:16px;border-top:1px solid #e5e7eb;margin-top:8px}

@media(max-width:640px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .nav{gap:16px}
  .toolbar{flex-wrap:wrap}
}