/* ============================================================
   e-Tendering — app.css
   ============================================================ */

:root {
  --primary:    #1a4f8a;
  --primary-dk: #123860;
  --accent:     #2e7d32;
  --danger:     #c62828;
  --warn:       #e65100;
  --bg:         #f4f6f9;
  --card:       #ffffff;
  --border:     #d0d7e2;
  --text:       #1a1a2e;
  --muted:      #6b7280;
  --radius:     6px;
  --shadow:     0 2px 8px rgba(0,0,0,.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

/* ── Layout ─────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  background: var(--primary);
  color: #fff;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 56px;
  box-shadow: var(--shadow);
}
.navbar .brand { font-weight: 700; font-size: 1.15rem; color: #fff; }
.navbar nav { display: flex; gap: 4px; flex: 1; }
.navbar nav a {
  color: rgba(255,255,255,.85);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: .92rem;
}
.navbar nav a:hover { background: rgba(255,255,255,.15); color: #fff; text-decoration: none; }
.navbar .user-info { font-size: .88rem; color: rgba(255,255,255,.8); }

/* ── Main content ───────────────────────────────────────── */
.main { padding: 28px 20px; max-width: 1100px; margin: 0 auto; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}
.card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; color: var(--primary); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: .92rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: filter .15s;
}
.btn:hover { filter: brightness(.9); text-decoration: none; }
.btn-primary   { background: var(--primary); color: #fff; }
.btn-success   { background: var(--accent);  color: #fff; }
.btn-danger    { background: var(--danger);  color: #fff; }
.btn-secondary { background: #e2e8f0; color: var(--text); }
.btn-sm        { padding: 5px 12px; font-size: .84rem; }
.btn-full      { width: 100%; justify-content: center; }

/* ── Forms ──────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 6px; font-size: .92rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color .15s;
}
.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(26,79,138,.15);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-hint { font-size: .82rem; color: var(--muted); margin-top: 4px; }

/* ── Alerts ─────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: .92rem;
  border-left: 4px solid transparent;
}
.alert-danger  { background: #fdecea; border-color: var(--danger);  color: #7f1d1d; }
.alert-success { background: #e8f5e9; border-color: var(--accent);  color: #1b5e20; }
.alert-warning { background: #fff3e0; border-color: var(--warn);    color: #7c3900; }
.alert-info    { background: #e3f2fd; border-color: var(--primary); color: #0d3c7a; }

/* ── Tables ─────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
thead th {
  background: var(--primary);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}
tbody tr:nth-child(even) { background: #f8fafc; }
tbody tr:hover { background: #eef2ff; }
td { padding: 9px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }

/* ── Badges / Status ────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-draft      { background: #e2e8f0; color: #475569; }
.badge-published  { background: #d1fae5; color: #065f46; }
.badge-evaluation { background: #fef3c7; color: #92400e; }
.badge-awarded    { background: #dbeafe; color: #1e40af; }
.badge-cancelled  { background: #fee2e2; color: #991b1b; }
.badge-submitted  { background: #ede9fe; color: #4c1d95; }
.badge-withdrawn  { background: #f1f5f9; color: #64748b; }

/* ── Auth pages ─────────────────────────────────────────── */
body.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a4f8a 0%, #0d2b50 100%);
}
.auth-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
}
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo h1 { font-size: 1.7rem; color: var(--primary); }
.auth-logo p  { font-size: .88rem; color: var(--muted); margin-top: 4px; }

/* ── Dashboard stats ────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-card .stat-value { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: .85rem; color: var(--muted); margin-top: 4px; }

/* ── Error pages ────────────────────────────────────────── */
body.error-page {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
}
.error-card { text-align: center; }
.error-card h1 { font-size: 5rem; color: var(--primary); line-height: 1; }
.error-card p  { color: var(--muted); margin: 12px 0 24px; font-size: 1.05rem; }

/* ── Page header ────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h2 { font-size: 1.25rem; color: var(--primary); }

/* ── Pagination ─────────────────────────────────────────── */
.pagination { display: flex; gap: 6px; margin-top: 16px; }
.pagination a, .pagination span {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .88rem;
}
.pagination a:hover { background: var(--primary); color: #fff; text-decoration: none; }
.pagination .active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .navbar { gap: 12px; }
  .auth-card { padding: 28px 20px; }
  .page-header { flex-direction: column; align-items: flex-start; }
}