/* ============================
   CRM Pro - Professional UI
   ============================ */

:root {
  --primary: #4f46e5; --primary-hover: #4338ca; --primary-light: #eef2ff;
  --success: #10b981; --success-light: #d1fae5;
  --warning: #f59e0b; --warning-light: #fef3c7;
  --danger: #ef4444; --danger-light: #fee2e2;
  --info: #3b82f6; --info-light: #dbeafe;
  --sidebar-bg: #1e293b; --sidebar-hover: #334155; --sidebar-active: #4f46e5;
  --bg: #f1f5f9; --card-bg: #fff; --border: #e2e8f0;
  --text: #1e293b; --text-secondary: #64748b; --text-muted: #94a3b8;
  --radius: 8px; --shadow: 0 1px 3px rgba(0,0,0,.08); --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --sidebar-w: 220px;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; font-size: 13px; }
a { color: var(--primary); text-decoration: none; }
.hidden { display: none !important; }

/* ====== Login Page ====== */
.login-page { display:flex; align-items:center; justify-content:center; min-height:100vh; background: linear-gradient(135deg, #1e293b 0%, #4f46e5 50%, #7c3aed 100%); }
.login-wrapper { width:100%; max-width:400px; padding:20px; }
.login-card { background:#fff; border-radius:16px; padding:36px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-header { text-align:center; margin-bottom:28px; }
.login-logo { width:56px; height:56px; margin:0 auto 14px; background: linear-gradient(135deg, #4f46e5, #7c3aed); border-radius:14px; display:flex; align-items:center; justify-content:center; color:#fff; font-size:24px; }
.login-header h1 { font-size:22px; font-weight:700; color:var(--text); }
.login-header p { color:var(--text-secondary); margin-top:4px; font-size:13px; }
.login-form .form-group { margin-bottom:16px; }
.login-form label { display:block; font-size:12px; font-weight:600; color:var(--text-secondary); margin-bottom:5px; }
.login-form label i { width:14px; color:var(--primary); }
.login-form input { width:100%; padding:9px 12px; border:1.5px solid var(--border); border-radius:var(--radius); font-size:13px; transition: border-color .2s, box-shadow .2s; outline:none; }
.login-form input:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-light); }
.login-error { background:var(--danger-light); color:var(--danger); padding:8px 12px; border-radius:var(--radius); margin-bottom:14px; font-size:12px; }
.login-footer { text-align:center; margin-top:20px; font-size:11px; color:var(--text-muted); }
.login-footer code { background:var(--bg); padding:2px 6px; border-radius:4px; font-size:11px; }

/* ====== Layout ====== */
.app-layout { display:flex; min-height:100vh; }
.sidebar { width:var(--sidebar-w); background:var(--sidebar-bg); color:#fff; display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:100; transition: transform .3s; }
.sidebar-brand { padding:16px; display:flex; align-items:center; gap:10px; border-bottom:1px solid rgba(255,255,255,.1); }
.sidebar-brand .brand-icon { width:36px; height:36px; background:var(--primary); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:16px; }
.sidebar-brand .brand-text h2 { font-size:14px; font-weight:700; }
.sidebar-brand .brand-text span { font-size:10px; color:#94a3b8; }
.sidebar-nav { flex:1; padding:8px 6px; overflow-y:auto; }
.sidebar-nav .nav-section { font-size:9px; text-transform:uppercase; color:#64748b; padding:10px 12px 4px; letter-spacing:1px; font-weight:600; }
.sidebar-nav .nav-item { display:flex; align-items:center; gap:8px; padding:8px 12px; border-radius:6px; color:#cbd5e1; cursor:pointer; transition:all .2s; font-size:12px; margin-bottom:1px; border:none; background:none; width:100%; text-align:left; }
.sidebar-nav .nav-item:hover { background:var(--sidebar-hover); color:#fff; }
.sidebar-nav .nav-item.active { background:var(--sidebar-active); color:#fff; }
.sidebar-nav .nav-item i { width:18px; text-align:center; font-size:13px; }
.sidebar-nav .nav-badge { margin-left:auto; background:var(--danger); color:#fff; font-size:9px; padding:2px 6px; border-radius:10px; }
.sidebar-footer { padding:10px; border-top:1px solid rgba(255,255,255,.1); }
.sidebar-footer .user-info { display:flex; align-items:center; gap:8px; padding:6px; border-radius:6px; }
.sidebar-footer .user-avatar { width:28px; height:28px; background:var(--primary); border-radius:6px; display:flex; align-items:center; justify-content:center; font-size:12px; flex-shrink:0; }
.sidebar-footer .user-meta { font-size:11px; }
.sidebar-footer .user-meta .uname { font-weight:600; }
.sidebar-footer .user-meta .urole { color:#94a3b8; font-size:10px; }
.sidebar-footer .btn-logout { margin-top:6px; width:100%; padding:6px; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); color:#cbd5e1; border-radius:6px; cursor:pointer; font-size:11px; transition:all .2s; }
.sidebar-footer .btn-logout:hover { background:rgba(255,255,255,.1); color:#fff; }

.main-content { flex:1; margin-left:var(--sidebar-w); min-height:100vh; }
.topbar { background:#fff; border-bottom:1px solid var(--border); padding:0 20px; height:48px; display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:50; }
.topbar h3 { font-size:14px; font-weight:600; }
.topbar-actions { display:flex; align-items:center; gap:8px; }
.topbar .btn-menu-toggle { display:none; background:none; border:none; font-size:18px; color:var(--text); cursor:pointer; }

.content { padding:20px; max-width:1400px; margin:0 auto; }
.content-section { display:none; }
.content-section.active { display:block; }

/* ====== Cards ====== */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px, 1fr)); gap:12px; margin-bottom:20px; }
.stat-card { background:var(--card-bg); border-radius:var(--radius); padding:14px 16px; box-shadow:var(--shadow); display:flex; align-items:center; gap:12px; border-left:3px solid transparent; }
.stat-card.primary { border-left-color:var(--primary); }
.stat-card.success { border-left-color:var(--success); }
.stat-card.warning { border-left-color:var(--warning); }
.stat-card.danger { border-left-color:var(--danger); }
.stat-card.info { border-left-color:var(--info); }
.stat-card .stat-icon { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:18px; flex-shrink:0; }
.stat-card.primary .stat-icon { background:var(--primary-light); color:var(--primary); }
.stat-card.success .stat-icon { background:var(--success-light); color:var(--success); }
.stat-card.warning .stat-icon { background:var(--warning-light); color:var(--warning); }
.stat-card.danger .stat-icon { background:var(--danger-light); color:var(--danger); }
.stat-card.info .stat-icon { background:var(--info-light); color:var(--info); }
.stat-card .stat-info h4 { font-size:18px; font-weight:700; }
.stat-card .stat-info p { font-size:11px; color:var(--text-secondary); }

.card { background:var(--card-bg); border-radius:var(--radius); box-shadow:var(--shadow); }
.card-header { padding:12px 16px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.card-header h4 { font-size:13px; font-weight:600; }
.card-body { padding:16px; }
.chart-wrap { height:280px; position:relative; }

.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:20px; }

/* ====== Tables ====== */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
table th, table td { padding:7px 10px; text-align:left; border-bottom:1px solid var(--border); font-size:12px; }
table th { background:#f8fafc; font-weight:600; color:var(--text-secondary); white-space:nowrap; font-size:11px; text-transform:uppercase; letter-spacing:.5px; }
table tbody tr { transition:background .15s; }
table tbody tr:hover { background:#f8fafc; }

/* ====== Badges ====== */
.badge { display:inline-block; padding:2px 8px; border-radius:12px; font-size:10px; font-weight:600; white-space:nowrap; }
.badge-primary { background:var(--primary-light); color:var(--primary); }
.badge-success { background:var(--success-light); color:#065f46; }
.badge-warning { background:var(--warning-light); color:#92400e; }
.badge-danger { background:var(--danger-light); color:#991b1b; }
.badge-info { background:var(--info-light); color:#1e40af; }
.badge-gray { background:#f1f5f9; color:#475569; }

/* ====== Buttons ====== */
.btn { display:inline-flex; align-items:center; gap:5px; padding:6px 12px; border-radius:6px; font-size:12px; font-weight:500; cursor:pointer; border:1px solid transparent; transition:all .2s; white-space:nowrap; }
.btn i { font-size:11px; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-hover); }
.btn-success { background:var(--success); color:#fff; }
.btn-success:hover { background:#059669; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { background:#dc2626; }
.btn-warning { background:var(--warning); color:#fff; }
.btn-warning:hover { background:#d97706; }
.btn-outline { background:#fff; border-color:var(--border); color:var(--text); }
.btn-outline:hover { background:var(--bg); }
.btn-sm { padding:4px 8px; font-size:11px; }
.btn-block { width:100%; justify-content:center; }
.btn-icon { width:28px; height:28px; padding:0; justify-content:center; border-radius:6px; }
.btn:disabled { opacity:.5; cursor:not-allowed; }

/* ====== Forms ====== */
.form-group { margin-bottom:12px; }
.form-group label { display:block; font-size:12px; font-weight:600; color:var(--text-secondary); margin-bottom:4px; }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding:7px 10px; border:1.5px solid var(--border); border-radius:6px;
  font-size:12px; outline:none; transition:border-color .2s, box-shadow .2s; background:#fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-light);
}
.form-group textarea { resize:vertical; min-height:70px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.form-actions { display:flex; justify-content:flex-end; gap:8px; padding-top:12px; border-top:1px solid var(--border); margin-top:12px; }

/* ====== Toolbar ====== */
.toolbar { display:flex; align-items:center; gap:8px; margin-bottom:12px; flex-wrap:wrap; }
.toolbar input[type=\"text\"], .toolbar select { padding:6px 10px; border:1.5px solid var(--border); border-radius:6px; font-size:12px; outline:none; min-width:140px; }
.toolbar input[type=\"text\"]:focus, .toolbar select:focus { border-color:var(--primary); }
.toolbar .spacer { flex:1; }

/* ====== Modals ====== */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,.5); display:flex; align-items:center; justify-content:center; z-index:1000; padding:20px; }
.modal { background:#fff; border-radius:10px; box-shadow:var(--shadow-md); width:100%; max-height:85vh; display:flex; flex-direction:column; }
.modal.modal-sm { max-width:400px; }
.modal.modal-md { max-width:560px; }
.modal.modal-lg { max-width:800px; }
.modal-header { padding:12px 16px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; flex-shrink:0; }
.modal-header h3 { font-size:14px; font-weight:600; }
.modal-close { background:none; border:none; font-size:18px; color:var(--text-muted); cursor:pointer; padding:4px; border-radius:4px; }
.modal-close:hover { color:var(--text); background:var(--bg); }
.modal-body { padding:16px; overflow-y:auto; flex:1; }
.modal-footer { padding:10px 16px; border-top:1px solid var(--border); display:flex; justify-content:flex-end; gap:8px; flex-shrink:0; }

/* ====== Tabs ====== */
.tabs { display:flex; gap:0; border-bottom:2px solid var(--border); margin-bottom:16px; }
.tab { padding:8px 16px; cursor:pointer; font-size:12px; font-weight:500; color:var(--text-secondary); border-bottom:2px solid transparent; margin-bottom:-2px; transition:all .2s; background:none; border-top:none; border-left:none; border-right:none; }
.tab:hover { color:var(--text); }
.tab.active { color:var(--primary); border-bottom-color:var(--primary); }

/* ====== Toast ====== */
#toast-container { position:fixed; top:16px; right:16px; z-index:9999; }
.toast { padding:10px 16px; border-radius:6px; color:#fff; font-size:12px; margin-bottom:6px; box-shadow:var(--shadow-md); animation:slideIn .3s ease; display:flex; align-items:center; gap:6px; }
.toast.success { background:var(--success); }
.toast.error { background:var(--danger); }
.toast.warning { background:var(--warning); }
.toast.info { background:var(--info); }
@keyframes slideIn { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ====== Pagination ====== */
.pagination { display:flex; justify-content:center; gap:3px; margin-top:12px; }
.pagination button { width:30px; height:30px; border:1px solid var(--border); background:#fff; border-radius:5px; cursor:pointer; font-size:12px; transition:all .2s; }
.pagination button:hover { border-color:var(--primary); color:var(--primary); }
.pagination button.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.pagination button:disabled { opacity:.4; cursor:not-allowed; }

/* ====== Import/Export ====== */
.drop-zone { border:2px dashed var(--border); border-radius:var(--radius); padding:32px; text-align:center; cursor:pointer; transition:all .2s; }
.drop-zone:hover, .drop-zone.dragover { border-color:var(--primary); background:var(--primary-light); }
.drop-zone i { font-size:36px; color:var(--text-muted); margin-bottom:10px; }
.drop-zone p { color:var(--text-secondary); font-size:12px; }

/* ====== Alert ====== */
.alert { padding:10px 14px; border-radius:var(--radius); font-size:12px; margin-bottom:14px; }
.alert-info { background:var(--info-light); color:#1e40af; }
.alert-warning { background:var(--warning-light); color:#92400e; }
.alert-danger { background:var(--danger-light); color:#991b1b; }

/* ====== Field Tags ====== */
.field-tags { display:flex; flex-wrap:wrap; gap:4px; }

/* ====== Detail Modal ====== */
.detail-section { margin-bottom:16px; }
.detail-section h5 { font-size:12px; font-weight:600; color:var(--text-secondary); margin-bottom:6px; padding-bottom:4px; border-bottom:1px solid var(--border); }
.detail-section h5 i { margin-right:4px; color:var(--primary); }
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:6px 12px; font-size:12px; }
.detail-grid dt { color:var(--text-secondary); }
.detail-grid dd { font-weight:500; }
.detail-grid .full { grid-column:1/-1; }

/* ====== Log Table ====== */
.log-action-create { color:#10b981; }
.log-action-update { color:#3b82f6; }
.log-action-delete { color:#ef4444; }
.log-target { font-size:10px; color:var(--text-muted); }

/* ====== Payment Product ====== */
.product-select-row { display:flex; gap:10px; align-items:end; }
.product-select-row .form-group { flex:1; }

/* ====== Responsive ====== */
@media (max-width:1024px) {
  .stat-grid { grid-template-columns:repeat(3, 1fr); }
  .grid-2 { grid-template-columns:1fr; }
  .content { max-width:100%; }
}

@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; }
  .topbar .btn-menu-toggle { display:block; }
  .stat-grid { grid-template-columns:repeat(2, 1fr); }
  .grid-2 { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .toolbar { flex-direction:column; align-items:stretch; }
  .toolbar input[type=\"text\"], .toolbar select { min-width:auto; }
  .tabs { overflow-x:auto; }
  .content { padding:14px; max-width:100%; }
}

@media (max-width:480px) {
  .stat-grid { grid-template-columns:1fr; }
  .content { padding:10px; }
  .modal { margin:8px; border-radius:8px; }
}