:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #0f766e;
    --primary-dark: #115e59;
    --danger: #dc2626;
    --border: #e5e7eb;
    --success: #16a34a;
    --warning: #d97706;
    --radius: 16px;
    --shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.nav-wrap { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; gap: 16px; }
.brand { font-weight: 700; color: var(--primary); }
nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; padding: 32px 0; align-items: start; }
.hero h1, .auth-card h1, .profile-head h1, .card h1 { margin-top: 0; }
.filters, .auth-card form, .card form { display: grid; gap: 12px; }
.card, .auth-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; border: 1px solid var(--border); }
.grid.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; margin: 18px 0 30px; }
.button-link, button, .btn-inline { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--primary); color: #fff; border: none; border-radius: 12px; padding: 12px 16px; cursor: pointer; }
button:hover, .button-link:hover, .btn-inline:hover { background: var(--primary-dark); }
input, select, textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; margin-top: 6px; }
.alert { margin: 18px 0; padding: 14px 16px; border-radius: 12px; }
.alert.success { background: #ecfdf5; color: #166534; }
.alert.error { background: #fef2f2; color: #991b1b; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.item-row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.dashboard-grid { display: grid; grid-template-columns: 360px 1fr; gap: 20px; padding: 28px 0; }
.wide { min-width: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; }
.table-wrap { overflow-x: auto; }
.inline-form { display: inline-flex; gap: 8px; align-items: center; }
.status { padding: 6px 10px; border-radius: 999px; font-size: 12px; text-transform: capitalize; }
.status.pending { background: #fef3c7; color: #92400e; }
.status.accepted, .status.completed { background: #dcfce7; color: #166534; }
.status.cancelled, .status.rejected { background: #fee2e2; color: #991b1b; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { background: #e6fffb; color: #115e59; padding: 8px 12px; border-radius: 999px; font-size: 14px; }
.service-list { padding-left: 18px; color: var(--muted); }
@media (max-width: 900px) {
    .hero, .two-col, .dashboard-grid { grid-template-columns: 1fr; }
}