:root {
    --primary:      #738c6f;
    --primary-dark: #5a6e56;
    --text-main:    #1f2937;
    --text-soft:    #475569;
    --border:       rgba(115,140,111,0.18);
    --surface:      rgba(255,255,255,0.92);
    --shadow:       0 4px 20px rgba(24,39,17,0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background: linear-gradient(180deg, #f3f7f2 0%, #f8faf7 100%);
    min-height: 100vh;
    font-size: 0.95rem;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    letter-spacing: -0.02em;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { color: var(--primary); }

/* Top bar */
.topbar {
    background: #2c3329;
    color: #e2e8f0;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar .brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: #fff;
    font-size: 1rem;
}

.topbar .brand span { color: #8da889; }

.topbar a {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 500;
}

.topbar a:hover { color: #e2e8f0; }

/* Content */
.admin-shell {
    max-width: 64rem;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.page-header h1 { margin: 0; font-size: 1.6rem; color: #0f172a; }

/* Card */
.card {
    background: var(--surface);
    border: 1px solid rgba(226,232,240,0.9);
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid rgba(226,232,240,0.7);
    font-weight: 700;
    color: #0f172a;
    font-size: 1rem;
    background: rgba(244,247,243,0.5);
}

.card-body { padding: 1.4rem; }

/* Table */
.clients-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.clients-table th {
    padding: 0.7rem 1rem;
    text-align: left;
    background: rgba(244,247,243,0.8);
    color: #0f172a;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.clients-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid rgba(226,232,240,0.5);
    vertical-align: middle;
}

.clients-table tr:last-child td { border-bottom: none; }
.clients-table tr:hover td { background: rgba(244,247,243,0.5); }

.client-name { font-weight: 600; color: #0f172a; }
.client-id {
    font-family: monospace;
    font-size: 0.82rem;
    background: rgba(115,140,111,0.1);
    color: var(--primary-dark);
    padding: 0.2rem 0.5rem;
    border-radius: 0.4rem;
}

.review-url {
    font-size: 0.8rem;
    color: var(--text-soft);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-active   { background: rgba(34,197,94,0.12); color: #15803d; }
.badge-inactive { background: rgba(239,68,68,0.1);  color: #b91c1c; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #6f896b, #738c6f);
    box-shadow: 0 6px 16px rgba(115,140,111,0.25);
}
.btn-primary:hover { box-shadow: 0 8px 20px rgba(115,140,111,0.35); color: #fff; }

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; }

.btn-ghost {
    color: var(--primary-dark);
    background: rgba(244,247,243,0.9);
    border: 1px solid var(--border);
}

.btn-danger {
    color: #b91c1c;
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.15);
}

.btn-danger:hover { background: rgba(239,68,68,0.14); }

.action-group { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* QR preview */
.qr-thumb {
    flex-shrink: 0;
    line-height: 0;
}

.qr-thumb canvas {
    border-radius: 0.9rem;
    box-shadow: 0 4px 12px rgba(24,39,17,0.1);
    display: block;
}

/* Forms */
.form-grid { display: grid; gap: 1.1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

label {
    font-size: 0.88rem;
    font-weight: 600;
    color: #0f172a;
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="color"],
textarea {
    padding: 0.7rem 0.9rem;
    border: 1px solid rgba(115,140,111,0.25);
    border-radius: 0.75rem;
    font-size: 0.92rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background: rgba(255,255,255,0.95);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(115,140,111,0.15);
}

input[type="color"] {
    padding: 0.3rem 0.4rem;
    height: 2.6rem;
    width: 4rem;
    cursor: pointer;
}

.hint { font-size: 0.8rem; color: var(--text-soft); margin-top: 0.25rem; }

/* Criteria editor */
.criteria-editor { display: grid; gap: 0.5rem; }

.criterion-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.criterion-row input { flex: 1; }

.criterion-row .btn { flex-shrink: 0; }

/* Alert */
.alert {
    padding: 0.9rem 1.1rem;
    border-radius: 0.9rem;
    font-size: 0.88rem;
    margin-bottom: 1rem;
}

.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.25); color: #15803d; }
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.2);  color: #b91c1c; }

/* Login */
.login-shell {
    max-width: 24rem;
    margin: 6rem auto;
    padding: 0 1rem;
}

.login-shell .card-body { padding: 2rem; }

.login-shell h1 {
    font-size: 1.5rem;
    color: #0f172a;
    margin: 0 0 0.25rem;
}

.login-shell .sub {
    color: var(--text-soft);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Copy link */
.copy-link {
    font-size: 0.78rem;
    cursor: pointer;
    color: var(--primary-dark);
    background: none;
    border: none;
    padding: 0;
    font-family: 'Inter', sans-serif;
    text-decoration: underline dotted;
}

.copy-link:hover { color: var(--primary); }

/* Empty state */
.empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-soft);
}

.empty strong { display: block; color: #0f172a; margin-bottom: 0.5rem; }

/* Responsive */
@media (max-width: 768px) {
    .admin-shell { padding: 1.25rem 0.9rem 3rem; }
    .clients-table { display: block; overflow-x: auto; }
    .page-header { flex-direction: column; align-items: flex-start; }
}