:root {
    --primary: #075e54;
    --primary-dark: #054d44;
    --accent: #25d366;
    --bg: #f0f2f5;
    --card: #fff;
    --text: #111;
    --muted: #667781;
    --danger: #dc3545;
    --border: #e9edef;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-box {
    background: var(--card);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,.08);
    width: 100%;
    max-width: 380px;
}
.login-box h1 { margin: 0 0 .25rem; font-size: 1.4rem; }
.login-box p { color: var(--muted); margin: 0 0 1.5rem; }

.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px;
    background: var(--primary);
    color: #fff;
    padding: 1.25rem;
    flex-shrink: 0;
}
.sidebar h2 { font-size: 1rem; margin: 0 0 1.5rem; opacity: .9; }
.sidebar nav a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: .6rem .75rem;
    border-radius: 8px;
    margin-bottom: .25rem;
}
.sidebar nav a:hover, .sidebar nav a.active { background: rgba(255,255,255,.15); }
.main { flex: 1; padding: 1.5rem 2rem; }
.main h1 { margin: 0 0 1rem; font-size: 1.5rem; }

.card {
    background: var(--card);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    border: 1px solid var(--border);
}
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 2rem; color: var(--primary); }

label { display: block; margin-bottom: .35rem; font-weight: 500; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=url], textarea, select {
    width: 100%;
    padding: .6rem .75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1rem;
    font: inherit;
}
textarea { min-height: 120px; resize: vertical; }

.btn {
    display: inline-block;
    padding: .55rem 1.1rem;
    border: none;
    border-radius: 8px;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(.95); }
.btn-secondary { background: #e9edef; color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: .35rem .7rem; font-size: .85rem; }

.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-success { background: #d4edda; color: #155724; }
.alert-error { background: #f8d7da; color: #721c24; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .65rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f8f9fa; }
.badge {
    display: inline-block;
    padding: .2rem .5rem;
    border-radius: 4px;
    font-size: .75rem;
    font-weight: 600;
}
.badge-human { background: #fff3cd; color: #856404; }
.badge-ok { background: #d4edda; color: #155724; }

.item-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1.5fr auto;
    gap: .5rem;
    align-items: start;
    margin-bottom: .5rem;
    padding: .75rem;
    background: #f8f9fa;
    border-radius: 8px;
}
.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.filter-grid label {
    display: block;
    margin-bottom: .35rem;
    font-weight: 500;
    font-size: .9rem;
}
.filter-grid input,
.filter-grid select {
    width: 100%;
    padding: .6rem .75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    margin-bottom: 0;
}
.filter-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    align-items: center;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.filter-form-actions .btn {
    margin: 0;
}
.table-wrap {
    overflow-x: auto;
}

@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .sidebar { width: 100%; }
    .item-row { grid-template-columns: 1fr; }
}

.faq-item { margin-bottom: 1rem; padding: 1rem; background: #f8f9fa; border-radius: 8px; }
.preview-photo { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; }

.chat-detail { max-height: 400px; overflow-y: auto; }
.msg { margin-bottom: .5rem; padding: .5rem .75rem; border-radius: 8px; max-width: 85%; }
.msg-user { background: #dcf8c6; margin-left: auto; }
.msg-bot { background: #fff; border: 1px solid var(--border); }