/* ============================================================
   Support CRM — Stylesheet
   Design: Clean dark-navy sidebar + white card system
   ============================================================ */

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

:root {
  --navy:    #0f1629;
  --navy2:   #1a2540;
  --navy3:   #243050;
  --accent:  #3b82f6;
  --accent2: #60a5fa;
  --success: #10b981;
  --warning: #f59e0b;
  --danger:  #ef4444;
  --purple:  #8b5cf6;
  --text:    #e2e8f0;
  --text2:   #94a3b8;
  --border:  #2d3d5c;
  --card:    #1e2d4a;
  --white:   #ffffff;
  --radius:  10px;
  --shadow:  0 4px 24px rgba(0,0,0,0.3);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Navbar ── */
.navbar {
  display: flex;
  align-items: center;
  background: var(--navy2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 8px;
}
.nav-brand {
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 160px;
}
.nav-logo { color: var(--accent); font-size: 10px; }
.nav-links {
  display: flex;
  gap: 2px;
  flex: 1;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--navy3);
  color: var(--white);
}
.nav-links a.active { color: var(--accent2); }
.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.user-info { color: var(--text2); font-size: 12px; }
.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 4px 12px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 12px;
  transition: all .15s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ── Main Content ── */
.main-content { padding: 28px 32px; max-width: 1400px; margin: 0 auto; }

/* ── Page Header ── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}
.page-title { font-size: 22px; font-weight: 700; color: var(--white); }
.page-sub   { color: var(--text2); font-size: 13px; margin-top: 2px; }

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-card .stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  font-family: 'JetBrains Mono', monospace;
}
.stat-card .stat-label { color: var(--text2); font-size: 12px; margin-top: 4px; }
.stat-card.accent  { border-top: 3px solid var(--accent); }
.stat-card.success { border-top: 3px solid var(--success); }
.stat-card.warning { border-top: 3px solid var(--warning); }
.stat-card.danger  { border-top: 3px solid var(--danger); }
.stat-card.purple  { border-top: 3px solid var(--purple); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 1px solid var(--border); }
th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text2);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(45,61,92,.5);
  color: var(--text);
  font-size: 13px;
  vertical-align: middle;
}
tbody tr:hover { background: rgba(59,130,246,.05); }
tbody tr:last-child td { border-bottom: none; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
}
.badge-blue   { background: rgba(59,130,246,.2);  color: #93c5fd; }
.badge-orange { background: rgba(245,158,11,.2);  color: #fcd34d; }
.badge-yellow { background: rgba(234,179,8,.2);   color: #fde047; }
.badge-purple { background: rgba(139,92,246,.2);  color: #c4b5fd; }
.badge-green  { background: rgba(16,185,129,.2);  color: #6ee7b7; }
.badge-grey   { background: rgba(148,163,184,.15); color: #94a3b8; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 7px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s;
  line-height: 1;
}
.btn-primary  { background: var(--accent);  color: #fff; }
.btn-primary:hover  { background: #2563eb; }
.btn-success  { background: var(--success); color: #fff; }
.btn-success:hover  { background: #059669; }
.btn-warning  { background: var(--warning); color: #fff; }
.btn-warning:hover  { background: #d97706; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-danger:hover   { background: #dc2626; }
.btn-ghost    { background: transparent; border: 1px solid var(--border); color: var(--text2); }
.btn-ghost:hover    { border-color: var(--accent); color: var(--accent2); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ── Forms ── */
.form-grid   { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 18px; }
.form-group  { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .05em; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: 9px 13px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border .15s;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-actions { margin-top: 22px; display: flex; gap: 10px; }

/* ── Alerts ── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 500;
}
.alert-success { background: rgba(16,185,129,.15); border: 1px solid rgba(16,185,129,.3); color: #6ee7b7; }
.alert-error   { background: rgba(239,68,68,.15);  border: 1px solid rgba(239,68,68,.3);  color: #fca5a5; }
.alert-info    { background: rgba(59,130,246,.15); border: 1px solid rgba(59,130,246,.3); color: #93c5fd; }

/* ── Timeline ── */
.timeline { list-style: none; }
.timeline li {
  position: relative;
  padding: 0 0 16px 28px;
  border-left: 2px solid var(--border);
}
.timeline li::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline li:last-child { border-left: none; }
.timeline .tl-action { font-weight: 600; color: var(--white); font-size: 13px; }
.timeline .tl-meta   { color: var(--text2); font-size: 11px; margin-top: 2px; }
.timeline .tl-notes  { color: var(--text2); font-size: 12px; margin-top: 4px; font-style: italic; }

/* ── Login page ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 40% 40%, #1a2f5e 0%, var(--navy) 70%);
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.login-card p  { color: var(--text2); font-size: 13px; margin-bottom: 28px; }

/* ── Search bar ── */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
}
.search-bar input {
  flex: 1;
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 14px;
  outline: none;
  transition: border .15s;
}
.search-bar input:focus { border-color: var(--accent); }

/* ── Customer detail ── */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.detail-item label { font-size: 11px; color: var(--text2); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.detail-item p     { color: var(--white); font-size: 14px; margin-top: 3px; }

/* ── Action panel ── */
.action-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px;
  background: rgba(59,130,246,.05);
  border: 1px solid rgba(59,130,246,.15);
  border-radius: 10px;
  margin-bottom: 20px;
}

/* ── Resale highlight ── */
.days-chip {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(139,92,246,.2);
  color: #c4b5fd;
}

/* ── Due indicator ── */
.due-soon { color: var(--warning); font-weight: 600; }
.overdue  { color: var(--danger);  font-weight: 600; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text2);
}
.empty-state h3 { color: var(--text); margin-bottom: 8px; font-size: 16px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .main-content    { padding: 16px; }
  .detail-grid     { grid-template-columns: 1fr; }
  .navbar          { padding: 0 12px; gap: 4px; }
  .nav-links a     { padding: 5px 8px; font-size: 12px; }
  .user-info       { display: none; }
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 20px;
  color: var(--text2);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}