:root {
  --bg: #f4f7fb; --card: #ffffff; --line: #dde5f0; --text: #1d2433; --muted: #6b7280;
  --primary: #2251cc; --primary-soft: #e7eeff; --accent: #14b8a6; --success: #0c9b63;
  --danger: #d64545; --warning: #d5a100; --sidebar: #0f172a;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: linear-gradient(180deg, #f7faff 0%, #eef3fb 100%); color: var(--text); display: grid; grid-template-columns: 290px minmax(0, 1fr); min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
.sidebar { background: linear-gradient(180deg, #0f172a 0%, #162440 100%); color: #fff; padding: 24px; display: flex; flex-direction: column; gap: 28px; min-width: 0; }
.sidebar { grid-column: 1; }
.brand-box { display: grid; gap: 8px; }
.sidebar-logo { max-width: 170px; max-height: 80px; object-fit: contain; justify-self: start; background: rgba(255,255,255,.06); border-radius: 16px; padding: 10px; }
.user-chip { border: 1px solid rgba(255,255,255,.2); border-radius: 12px; padding: 10px 12px; background: rgba(255,255,255,.07); display: grid; gap: 4px; word-break: break-word; }
.user-chip strong { font-size: .92rem; }
.user-chip small { color: rgba(255,255,255,.75); }
.sidebar .muted { color: rgba(255,255,255,.72); }
.sidebar nav { display: flex; flex-direction: column; gap: 10px; }
.sidebar nav a { color: #fff; padding: 11px 13px; border-radius: 12px; background: rgba(255,255,255,.05); transition: .18s ease; }
.sidebar nav a:hover { background: rgba(255,255,255,.1); }
.sidebar nav a.active { background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%); color: #fff; box-shadow: 0 10px 24px rgba(34,81,204,.28); }
.content { padding: 24px; overflow: auto; min-width: 0; }
.content { grid-column: 2; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 18px; box-shadow: 0 10px 26px rgba(16, 21, 34, .05); }
.compact { padding: 16px; }
.stats-grid, .three-col, .two-col { display: grid; gap: 16px; margin-bottom: 16px; }
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compact-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-col { grid-template-columns: 1fr 1fr 1fr; }
.stat { background: linear-gradient(180deg, #fff 0%, #f8fbff 100%); }
.stat span { color: var(--muted); display: block; margin-bottom: 8px; }
.stat strong { font-size: 2rem; }
.stat.mini strong { font-size: 1.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; border: none; background: linear-gradient(90deg, var(--primary) 0%, #356dff 100%); color: #fff; padding: 10px 14px; border-radius: 12px; font-weight: 600; cursor: pointer; }
.button.secondary { background: #24324b; }
.button.danger { background: #d64545; }
.btn { display: inline-flex; align-items: center; justify-content: center; border: none; background: linear-gradient(90deg, var(--primary) 0%, #356dff 100%); color: #fff; padding: 10px 14px; border-radius: 12px; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.03); }
.btn.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,.3); color: #fff; }
.content .btn.btn-outline { color: var(--primary); border-color: var(--primary); background: #fff; }
.button-row { display: flex; gap: 10px; flex-wrap: wrap; }
.table-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.auth-shell { max-width: 560px; margin: 40px auto; width: 100%; }
.auth-card { padding: 22px; }
.flash-stack { display: grid; gap: 10px; margin-bottom: 16px; }
.flash { border-radius: 12px; padding: 12px 14px; font-weight: 600; }
.flash.success { background: #e8f8f1; color: #0c9b63; }
.flash.error { background: #fdecec; color: var(--danger); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .9rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid.small { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full, .form-actions { grid-column: 1 / -1; }
.stacked-form { display: grid; gap: 16px; }
.form-block { border: 1px solid var(--line); border-radius: 16px; padding: 16px; background: linear-gradient(180deg,#fff,#fbfdff); }
.form-block h3 { margin-top: 0; }
label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: #fff; }
select[multiple] { min-height: 150px; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(34,81,204,.12); border-color: var(--primary); }
.activity-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.activity-list li { display: grid; gap: 4px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.activity-list span, .muted, small { color: var(--muted); }
.meta-grid { display: grid; grid-template-columns: 160px 1fr; gap: 10px; margin: 0; }
.meta-grid dt { color: var(--muted); }
.meta-grid dd { margin: 0; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; }
.search-row{display:flex;gap:10px;align-items:center;margin-bottom:14px}.search-row input{flex:1}
.small-note{font-size:.8rem;word-break:break-all}
.small-btn{padding:6px 10px;border-radius:10px;font-size:.8rem}.top-margin{margin-top:10px}
.invoice-items-table input,.invoice-items-table select{min-width:100px}.invoice-items-table td,.invoice-items-table th{padding:8px 6px}.invoice-items-table{font-size:.9rem}
.invoice-items-table td:nth-child(5){text-align:left; min-width:140px}.invoice-items-table td:nth-child(6){text-align:right; min-width:120px}
.logo-preview img { max-width: 180px; max-height: 90px; object-fit: contain; border: 1px solid var(--line); border-radius: 16px; padding: 10px; background: #fff; }
.traffic-dot{display:inline-block;width:12px;height:12px;border-radius:999px}.traffic-dot.green{background:var(--success)}.traffic-dot.yellow{background:var(--warning)}.traffic-dot.red{background:var(--danger)}
.red-text{color:var(--danger)} .yellow-text{color:var(--warning)}
@media (max-width: 640px) {
  body { grid-template-columns: 1fr; }
  .sidebar { grid-column: 1; }
  .content { grid-column: 1; }
  .sidebar { gap: 14px; padding: 14px; }
  .sidebar nav { max-height: 36vh; overflow: auto; padding-right: 4px; }
  .sidebar nav a { padding: 9px 11px; }
  .stats-grid, .compact-grid, .two-col, .three-col, .form-grid, .form-grid.small { grid-template-columns: 1fr; }
}

.checkbox-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap:10px; }
.card-check { display:flex; align-items:center; justify-content:space-between; gap:10px; border:1px solid #d8e0ef; border-radius:12px; padding:10px 12px; background:#fff; }
.card-check input { margin-right:8px; }
.card-check span { flex:1; }
.card-check small { color:#5f6b7a; font-weight:600; }

.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:.78rem;font-weight:700}.badge.success{background:#d1fae5;color:#065f46}.badge.warning{background:#fef3c7;color:#92400e}.badge.danger{background:#fee2e2;color:#991b1b}.inline-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.stat small{display:block;margin-top:6px;color:#64748b;font-size:.78rem}