/* -- Reset & base -- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 14px; color: #1a1a1a; background: #f4f5f7; }
a { color: #0066cc; text-decoration: none; }

/* -- Navbar -- */
.navbar { display: flex; justify-content: space-between; align-items: center; background: #1a365d; color: #fff; padding: 0 24px; height: 48px; }
.navbar-brand { font-weight: 600; font-size: 15px; }
.navbar-right { display: flex; align-items: center; gap: 12px; }
.navbar-user { font-size: 13px; opacity: 0.8; }

/* -- Container -- */
.container { max-width: 1400px; margin: 0 auto; padding: 20px 24px; }

/* -- Buttons -- */
.btn { display: inline-block; padding: 6px 14px; border: 1px solid #ccc; background: #fff; border-radius: 4px; cursor: pointer; font-size: 13px; }
.btn:hover { background: #f0f0f0; }
.btn-primary { background: #0066cc; color: #fff; border-color: #0066cc; }
.btn-primary:hover { background: #0052a3; }
.btn-primary:disabled { background: #99c2e6; border-color: #99c2e6; cursor: default; }
.btn-success { background: #16a34a; color: #fff; border-color: #16a34a; }
.btn-success:hover { background: #15803d; }
.btn-success:disabled { background: #86cfac; border-color: #86cfac; cursor: default; }
.btn-sm { padding: 3px 10px; font-size: 12px; }
.btn-full { width: 100%; }

/* -- Login -- */
.login-container { display: flex; justify-content: center; align-items: center; min-height: 80vh; }
.login-box { background: #fff; padding: 40px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); width: 360px; }
.login-box h2 { text-align: center; margin-bottom: 24px; color: #1a365d; font-size: 18px; }

/* -- Forms -- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 500; color: #555; }
.form-group input, .form-group select { width: 100%; padding: 8px 10px; border: 1px solid #d0d0d0; border-radius: 4px; font-size: 14px; }
.form-group input:focus, .form-group select:focus { border-color: #0066cc; outline: none; }

/* -- Alerts -- */
.alert { padding: 10px 14px; border-radius: 4px; margin-bottom: 16px; font-size: 13px; }
.alert-error { background: #fee; border: 1px solid #fcc; color: #c00; }

/* -- Page header -- */
.page-header { margin-bottom: 16px; }
.page-header h1 { font-size: 22px; color: #1a365d; }

/* -- Filters panel -- */
.filters-panel { background: #fff; border: 1px solid #e0e0e0; border-radius: 6px; padding: 16px 20px; margin-bottom: 12px; }
.filters-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: 12px; font-weight: 500; color: #666; }
.filter-group select, .filter-group input { padding: 6px 8px; border: 1px solid #d0d0d0; border-radius: 4px; font-size: 13px; }
.filter-group select { min-width: 130px; }
.filter-group input[type="date"] { width: 150px; }
.filter-group input[type="text"] { width: 100px; }
.filter-actions { justify-content: flex-end; }

/* -- Toolbar -- */
.toolbar { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; padding: 8px 0; }
.toolbar-info { font-size: 13px; color: #666; }

/* -- Grid -- */
.grid-container { background: #fff; border: 1px solid #e0e0e0; border-radius: 6px; overflow-x: auto; }
.grid { width: 100%; border-collapse: collapse; }
.grid thead th { background: #f8f9fa; padding: 10px 12px; text-align: left; font-size: 12px; font-weight: 600; color: #555; text-transform: uppercase; border-bottom: 2px solid #e0e0e0; white-space: nowrap; }
.grid tbody td { padding: 8px 12px; border-bottom: 1px solid #f0f0f0; font-size: 13px; }
.grid tbody tr:hover { background: #f8f9fb; }
.col-check { width: 36px; text-align: center; }
.col-amount { text-align: right; font-variant-numeric: tabular-nums; }
.empty-row { text-align: center; color: #999; padding: 40px 12px !important; }
.error-row { color: #c00; }
.row-disabled { opacity: 0.5; }
.row-nc { background: #fef9e7; }
.row-nc:hover { background: #fdf5d4; }

/* -- Badges -- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-type { background: #e8edf2; color: #1a365d; }
.badge-none { background: #f0f0f0; color: #aaa; }
.badge-waiting { background: #fef3c7; color: #92400e; }
.badge-pending { background: #dbeafe; color: #1e40af; }
.badge-sent { background: #d1fae5; color: #065f46; }
.badge-error { background: #fee2e2; color: #991b1b; cursor: help; }

/* -- Modal -- */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.4); display: flex; justify-content: center; align-items: center; z-index: 1000; }
.modal-box { background: #fff; border-radius: 8px; padding: 28px; max-width: 480px; width: 90%; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.modal-box h3 { margin-bottom: 16px; color: #1a365d; }
.modal-box p { margin-bottom: 12px; }
.modal-box .btn { margin-top: 8px; }
.error-text { color: #c00; }