/* ============================================================
   BookKeeper Pro - Main Stylesheet
   ============================================================ */

:root {
  --bk-primary: #1a2942;
  --bk-primary-light: #243654;
  --bk-accent: #f59e0b;
  --bk-accent-dark: #d97706;
  --bk-success: #10b981;
  --bk-danger: #ef4444;
  --bk-sidebar-w: 240px;
  --bk-navbar-h: 58px;
  --bk-bg: #f0f2f5;
  --bk-card-radius: 12px;
}

/* ---- Base ---- */
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bk-bg);
  color: #1e293b;
  overflow-x: hidden;
}

/* ---- Navbar ---- */
.bk-navbar {
  background: var(--bk-primary) !important;
  height: var(--bk-navbar-h);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  z-index: 1040;
}
.bk-logo-icon {
  width: 32px; height: 32px;
  background: var(--bk-accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--bk-primary);
  font-size: 18px;
}
.bk-avatar {
  width: 32px; height: 32px;
  background: var(--bk-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--bk-primary);
  font-weight: 700;
  font-size: 13px;
}
.notification-badge {
  position: absolute;
  top: 4px; right: 4px;
  width: 18px; height: 18px;
  background: var(--bk-danger);
  border-radius: 50%;
  font-size: 10px;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: bold;
}

/* ---- Layout ---- */
.bk-wrapper {
  display: flex;
  margin-top: var(--bk-navbar-h);
  min-height: calc(100vh - var(--bk-navbar-h));
}
.bk-sidebar {
  width: var(--bk-sidebar-w);
  background: var(--bk-primary);
  position: fixed;
  top: var(--bk-navbar-h);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 1030;
  padding: 12px 0 24px;
  transition: width .25s ease;
}
.bk-sidebar::-webkit-scrollbar { width: 4px; }
.bk-sidebar::-webkit-scrollbar-track { background: transparent; }
.bk-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 2px; }

.sidebar-section-label {
  font-size: 10px; font-weight: 700;
  color: rgba(255,255,255,.4);
  letter-spacing: 1.2px;
  padding: 16px 16px 4px;
  text-transform: uppercase;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  transition: all .15s;
  position: relative;
}
.sidebar-link i { font-size: 16px; width: 20px; flex-shrink: 0; }
.sidebar-link:hover { color: #fff; background: rgba(255,255,255,.07); }
.sidebar-link.active {
  color: var(--bk-accent);
  background: rgba(245,158,11,.1);
  border-right: 3px solid var(--bk-accent);
  font-weight: 600;
}

.bk-main {
  margin-left: var(--bk-sidebar-w);
  flex: 1;
  min-width: 0;
}
.bk-page-header {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 20px 28px 18px;
}
.bk-page-header h1 { color: var(--bk-primary); }
.bk-content { padding: 24px 28px; }

/* ---- Cards ---- */
.bk-card {
  background: #fff;
  border-radius: var(--bk-card-radius);
  border: 1px solid #e8ecf0;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.bk-card .card-header {
  background: transparent;
  border-bottom: 1px solid #f1f5f9;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 15px;
}

/* ---- Stat Cards ---- */
.stat-card {
  background: #fff;
  border-radius: var(--bk-card-radius);
  padding: 20px 22px;
  border: 1px solid #e8ecf0;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  transition: box-shadow .2s;
}
.stat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); }
.stat-card .stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-card .stat-value { font-size: 26px; font-weight: 700; line-height: 1.1; color: var(--bk-primary); }
.stat-card .stat-label { font-size: 12px; color: #64748b; font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
.stat-card .stat-change { font-size: 12px; }

/* ---- Tables ---- */
.bk-table { border-radius: var(--bk-card-radius); overflow: hidden; }
.bk-table thead th {
  background: #f8fafc;
  font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .5px;
  color: #64748b; border-bottom: 1px solid #e2e8f0;
  padding: 12px 16px;
}
.bk-table tbody td { padding: 13px 16px; vertical-align: middle; font-size: 14px; }
.bk-table tbody tr { transition: background .15s; }
.bk-table tbody tr:hover { background: #f8fafc; }

/* ---- Forms ---- */
.form-label { font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 5px; }
.form-control, .form-select {
  border-radius: 8px; border-color: #d1d5db;
  font-size: 14px; padding: 9px 12px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--bk-primary);
  box-shadow: 0 0 0 3px rgba(26,41,66,.1);
}
.input-group-text { background: #f8fafc; border-color: #d1d5db; }

/* ---- Invoice Builder ---- */
.invoice-builder { background: #fff; border-radius: 16px; border: 1px solid #e2e8f0; }
.invoice-preview {
  background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
  border-left: 1px solid #e2e8f0; min-height: 600px;
}
.line-items-table th { background: var(--bk-primary); color: #fff; font-size: 12px; padding: 10px 12px; }
.line-items-table td { padding: 8px 10px; vertical-align: middle; }
.line-item-row .btn-remove-row { opacity: 0; transition: opacity .15s; }
.line-item-row:hover .btn-remove-row { opacity: 1; }

/* ---- Status Badges ---- */
.badge { font-size: 11px; font-weight: 600; padding: 4px 8px; border-radius: 6px; }

/* ---- Buttons ---- */
.btn { border-radius: 8px; font-weight: 500; font-size: 14px; }
.btn-primary { background: var(--bk-primary); border-color: var(--bk-primary); }
.btn-primary:hover { background: var(--bk-primary-light); border-color: var(--bk-primary-light); }
.btn-warning { background: var(--bk-accent); border-color: var(--bk-accent); color: #1a2942; }
.btn-warning:hover { background: var(--bk-accent-dark); border-color: var(--bk-accent-dark); color: #1a2942; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-xs { padding: 2px 8px; font-size: 12px; }

/* ---- Quick Stats Row ---- */
.quick-stats .col { padding: 0 8px; }

/* ---- Payment Portal ---- */
.payment-portal {
  min-height: 100vh; background: linear-gradient(135deg, var(--bk-primary) 0%, #2d4a7a 100%);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.payment-card {
  background: #fff; border-radius: 20px; max-width: 540px; width: 100%;
  box-shadow: 0 24px 64px rgba(0,0,0,.3);
}

/* ---- Login Page ---- */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bk-primary) 0%, #2d4a7a 50%, #1a2942 100%);
  display: flex; align-items: center; justify-content: center;
}
.login-card {
  background: #fff; border-radius: 20px; padding: 48px 40px; width: 100%; max-width: 420px;
  box-shadow: 0 24px 64px rgba(0,0,0,.3);
}

/* ---- Report ---- */
.report-header { background: var(--bk-primary); color: #fff; padding: 32px; border-radius: 16px 16px 0 0; }
.report-table tr.total-row td { font-weight: 700; background: #f0f4f8; border-top: 2px solid #cbd5e1; }
.report-table tr.section-header td { background: var(--bk-primary); color: #fff; font-weight: 600; }
.report-table tr.subsection td { background: #f8fafc; font-weight: 600; }

/* ---- Sidebar toggle for mobile ---- */
@media (max-width: 991px) {
  .bk-sidebar { transform: translateX(-100%); }
  .bk-sidebar.show { transform: translateX(0); }
  .bk-main { margin-left: 0 !important; }
}

/* ---- Utilities ---- */
.text-money { font-family: 'Courier New', monospace; font-weight: 600; }
.bg-light-success { background: rgba(16,185,129,.1); }
.bg-light-danger  { background: rgba(239,68,68,.1); }
.bg-light-warning { background: rgba(245,158,11,.1); }
.bg-light-info    { background: rgba(59,130,246,.1); }
.cursor-pointer { cursor: pointer; }

/* ---- Select2 override ---- */
.select2-container--bootstrap-5 .select2-selection { border-radius: 8px !important; }

/* ---- Flatpickr override ---- */
.flatpickr-input { background-color: #fff !important; }

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp .3s ease both; }

/* ---- Drag sort (line items) ---- */
.dragging { opacity: .4; cursor: grabbing; }
.drag-handle { cursor: grab; color: #9ca3af; }