/* ============================================
   SOLAR ERP - CUSTOM STYLES
   Professional Dark Admin Theme
   ============================================ */

:root {
  --primary: #1a6b3a;
  --primary-dark: #0f4023;
  --primary-light: #2e9e5a;
  --accent: #f0a500;
  --accent-dark: #c78400;
  --sidebar-bg: #0d1f13;
  --sidebar-text: #b8d4bf;
  --sidebar-active: #1a6b3a;
  --topbar-bg: #ffffff;
  --body-bg: #f4f6f9;
  --card-bg: #ffffff;
  --text-primary: #2d3748;
  --text-muted: #718096;
  --border: #e2e8f0;
  --danger: #e53e3e;
  --warning: #d69e2e;
  --success: #38a169;
  --info: #3182ce;
  --sidebar-width: 260px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--body-bg); color: var(--text-primary); }

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  height: 100vh;
  position: fixed;
  left: 0; top: 0;
  overflow-y: auto;
  z-index: 1000;
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}
.sidebar-brand {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-brand .brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.sidebar-brand h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}
.sidebar-brand small { color: var(--sidebar-text); font-size: 11px; }
.sidebar-nav { padding: 16px 0; flex: 1; }
.nav-section-title {
  color: rgba(255,255,255,0.3);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 12px 20px 6px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}
.sidebar-link:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-left-color: var(--primary-light);
}
.sidebar-link.active {
  background: rgba(26,107,58,0.3);
  color: #fff;
  border-left-color: var(--accent);
}
.sidebar-link i { width: 20px; text-align: center; font-size: 15px; }
.sidebar-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 20px;
  font-weight: 700;
}

/* MAIN CONTENT */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TOPBAR */
.topbar {
  background: var(--topbar-bg);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar h4 { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.page-content { padding: 24px; flex: 1; }

/* STAT CARDS */
.stat-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.stat-card .stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
}
.stat-card .stat-value { font-size: 26px; font-weight: 800; color: var(--text-primary); }
.stat-card .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.stat-card.green .stat-icon { background: #f0fdf4; color: var(--success); }
.stat-card.blue .stat-icon { background: #eff6ff; color: var(--info); }
.stat-card.amber .stat-icon { background: #fffbeb; color: var(--warning); }
.stat-card.red .stat-icon { background: #fef2f2; color: var(--danger); }

/* CARDS */
.card { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border); margin-bottom: 20px; }
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600;
  font-size: 15px;
}
.card-body { padding: 20px; }

/* TABLES */
.table-responsive { border-radius: 8px; overflow: hidden; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table thead th {
  background: #f8fafc;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table tbody tr { border-bottom: 1px solid #f1f5f9; }
.table tbody tr:hover { background: #f8fafc; }
.table tbody td { padding: 12px 16px; }

/* BADGES */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: #f1f5f9; color: #64748b; }
.badge-primary { background: #d1fae5; color: #065f46; }

/* FORMS */
.form-control, .form-select {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(26,107,58,0.1);
}
.form-label { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; display: block; }
.form-group { margin-bottom: 16px; }
.form-text { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none;
  border: none; transition: all 0.2s;
}
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-info { background: var(--info); color: #fff; }
.btn-secondary { background: #f1f5f9; color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: #e2e8f0; }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ALERTS */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert-danger { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.alert-info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* PROGRESS BAR */
.progress { background: #f1f5f9; border-radius: 20px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 20px; transition: width 0.5s; }

/* STATUS BADGES */
.status-lead { background: #f1f5f9; color: #64748b; }
.status-interested { background: #dbeafe; color: #1e40af; }
.status-agreement_pending { background: #fef3c7; color: #92400e; }
.status-payment_pending { background: #ffedd5; color: #9a3412; }
.status-active { background: #dcfce7; color: #166534; }
.status-completed { background: #e0e7ff; color: #3730a3; }
.status-cancelled { background: #fee2e2; color: #991b1b; }
.status-new_lead { background: #f1f5f9; color: #64748b; }
.status-docs_pending { background: #fef3c7; color: #92400e; }
.status-applied { background: #dbeafe; color: #1e40af; }
.status-bank_verification { background: #ede9fe; color: #5b21b6; }
.status-approved { background: #dcfce7; color: #166534; }
.status-rejected { background: #fee2e2; color: #991b1b; }
.status-installation_pending { background: #ffedd5; color: #9a3412; }
.status-installation_complete { background: #d1fae5; color: #065f46; }
.status-subsidy_pending { background: #fef9c3; color: #713f12; }
.status-closed { background: #e0e7ff; color: #3730a3; }

/* AVATAR */
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 14px;
}

/* SEARCH BOX */
.search-box {
  display: flex; align-items: center;
  background: #f8fafc; border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 12px; gap: 8px;
}
.search-box input { border: none; background: transparent; outline: none; font-size: 14px; width: 200px; }

/* GRID */
.row { display: flex; flex-wrap: wrap; margin: -8px; }
.col { flex: 1; padding: 8px; min-width: 0; }
.col-3 { flex: 0 0 calc(25% - 16px); padding: 8px; }
.col-4 { flex: 0 0 calc(33.33% - 16px); padding: 8px; }
.col-6 { flex: 0 0 calc(50% - 16px); padding: 8px; }
.col-8 { flex: 0 0 calc(66.66% - 16px); padding: 8px; }
.col-12 { flex: 0 0 calc(100% - 16px); padding: 8px; }

/* SIDEBAR FOOTER */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.sidebar-user { display: flex; align-items: center; gap: 10px; color: var(--sidebar-text); font-size: 13px; }
.sidebar-user .avatar { width: 32px; height: 32px; font-size: 12px; flex-shrink: 0; }

/* INFO ROW */
.info-row { display: flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.info-item { flex: 1; min-width: 160px; padding: 14px 16px; border-right: 1px solid var(--border); }
.info-item:last-child { border-right: none; }
.info-item .label { font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 600; letter-spacing: 0.5px; }
.info-item .value { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-top: 2px; }

/* TOAST */
.toast-container { position: fixed; top: 70px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 14px 18px; border-radius: 10px; font-size: 14px; min-width: 280px; box-shadow: 0 4px 15px rgba(0,0,0,0.15); animation: slideIn 0.3s ease; display: flex; align-items: center; gap: 10px; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast-success { background: #fff; border-left: 4px solid var(--success); }
.toast-danger { background: #fff; border-left: 4px solid var(--danger); }
.toast-warning { background: #fff; border-left: 4px solid var(--warning); }
.toast-info { background: #fff; border-left: 4px solid var(--info); }

/* UTILITY */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary-c { color: var(--primary); }
.fw-bold { font-weight: 700; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.space-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.ms-auto { margin-left: auto; }
.w-100 { width: 100%; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cursor-pointer { cursor: pointer; }
.fs-small { font-size: 12px; }

/* PRINT */
@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .main-wrapper { margin-left: 0 !important; }
  body { background: #fff; }
  .card { border: 1px solid #ddd !important; }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .col-3, .col-4, .col-6 { flex: 0 0 calc(100% - 16px); }
  .topbar { padding: 0 16px; }
  .page-content { padding: 16px; }
  .search-box input { width: 140px; }
}