:root {
  --color-primary: #0f6e5c;
  --color-primary-dark: #0b5445;
  --color-primary-light: #e6f3f0;
  --color-ink: #10201c;
  --color-muted: #5b6b66;
  --color-border: #e2e8e5;
  --color-bg: #f7f9f8;
  --color-surface: #ffffff;
  --color-danger: #c0392b;
  --color-warning: #b8860b;
  --color-success: #157347;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(16,32,28,.06), 0 4px 16px rgba(16,32,28,.04);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* Header / nav */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 20;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--color-ink); }
.brand span { color: var(--color-primary); }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--color-ink); font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: all .15s ease; text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-ink); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-danger { background: var(--color-danger); color: #fff; }

/* Hero */
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: 2.1rem; line-height: 1.25; margin: 0 0 12px; max-width: 700px; }
.hero p { color: var(--color-muted); font-size: 1.05rem; max-width: 560px; margin: 0 0 28px; }

/* Search box */
.search-box {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); padding: 18px; display: flex; gap: 12px; flex-wrap: wrap;
}
.search-box select, .search-box input { flex: 1; min-width: 160px; }

/* Forms */
label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; color: var(--color-ink); }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-size: .95rem; font-family: inherit; background: var(--color-surface); color: var(--color-ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.field { margin-bottom: 16px; }
.field-error { color: var(--color-danger); font-size: .82rem; margin-top: 4px; }
.alert { padding: 12px 14px; border-radius: var(--radius-sm); font-size: .9rem; margin-bottom: 16px; }
.alert-error { background: #fdecea; color: var(--color-danger); border: 1px solid #f5c6c0; }
.alert-success { background: #e9f7ef; color: var(--color-success); border: 1px solid #bfe8cf; }

/* Auth card */
.auth-wrap { max-width: 440px; margin: 56px auto; padding: 0 20px; }
.auth-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 32px; }
.auth-card h1 { font-size: 1.4rem; margin: 0 0 6px; }
.auth-card .muted { color: var(--color-muted); font-size: .9rem; margin-bottom: 24px; }

/* Cards / grid */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-card); padding: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.section { padding: 48px 0; }
.section-title { font-size: 1.4rem; margin: 0 0 20px; }

/* Category/service chips */
.chip { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--color-primary-light); color: var(--color-primary-dark); font-size: .82rem; font-weight: 600; margin: 4px 6px 0 0; }

/* Pro card */
.pro-card { display: flex; gap: 14px; align-items: flex-start; }
.pro-avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--color-primary-light); flex-shrink: 0; display:flex; align-items:center; justify-content:center; font-weight:700; color: var(--color-primary-dark); }
.badge { font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.badge-verified { background: #e6f3f0; color: var(--color-primary-dark); }
.rating { color: #b8860b; font-weight: 600; font-size: .85rem; }

/* Status pill (shared vocabulary with admin) */
.status-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.status-pending { background: #fff4de; color: #8a6100; }
.status-active { background: #e6f3f0; color: var(--color-primary-dark); }
.status-completed { background: #e9f7ef; color: var(--color-success); }
.status-cancelled { background: #fdecea; color: var(--color-danger); }

/* Empty state */
.empty-state { text-align: center; padding: 48px 20px; color: var(--color-muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); padding: 32px 0; margin-top: 64px; color: var(--color-muted); font-size: .85rem; }

/* Mobile-first responsive adjustments */
@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; }
  .search-box { flex-direction: column; }
  .nav-links { gap: 12px; }
}

/* ---------------- Admin backend layout ---------------- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; background: var(--color-ink); color: #dce7e3; flex-shrink: 0;
  padding: 20px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar .brand { color: #fff; padding: 0 20px 20px; font-size: 1.05rem; }
.admin-sidebar .brand span { color: #4fd1b3; }
.admin-nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: #b7c7c1;
  font-size: .9rem; font-weight: 500; text-decoration: none; border-left: 3px solid transparent;
}
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,255,255,.06); color: #fff; border-left-color: #4fd1b3; text-decoration: none; }
.admin-main { flex: 1; min-width: 0; }
.admin-topbar {
  height: 64px; background: var(--color-surface); border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
}
.admin-content { padding: 24px; }
.cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 18px; box-shadow: var(--shadow-card); }
.stat-card .value { font-size: 1.8rem; font-weight: 700; color: var(--color-ink); }
.stat-card .label { color: var(--color-muted); font-size: .85rem; margin-top: 4px; }
table { width: 100%; border-collapse: collapse; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--color-border); font-size: .9rem; }
th { background: #fafbfa; color: var(--color-muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.page-header h1 { font-size: 1.3rem; margin: 0; }

@media (max-width: 860px) {
  .admin-sidebar { position: fixed; left: -240px; transition: left .2s; z-index: 30; }
  .admin-sidebar.open { left: 0; }
  .admin-content { padding: 16px; }
}