:root {
    --primary: #0000ff;
    --ink: #07113f;
    --muted: #5d667a;
    --line: #dbe3f3;
    --background: #f6f8ff;
    --surface: #ffffff;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--background);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.admin-shell {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    padding: 22px;
    color: #d0d5dd;
    background: #101828;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.admin-brand span,
.login-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: #101828;
    background: #ffffff;
    border-radius: var(--radius);
    font-weight: 900;
}

.admin-sidebar nav {
    display: grid;
    gap: 8px;
}

.admin-sidebar nav a {
    padding: 12px;
    border-radius: var(--radius);
    color: #d0d5dd;
}

.admin-sidebar nav a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.admin-main {
    min-width: 0;
}

.admin-topbar {
    padding: 24px 32px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
}

.admin-topbar span {
    color: var(--muted);
    font-weight: 700;
}

.admin-topbar h1 {
    margin: 4px 0 0;
}

.admin-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    padding: 24px 32px 0;
}

.admin-metrics article,
.admin-panel,
.login-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.admin-metrics article {
    padding: 20px;
}

.admin-metrics span {
    color: var(--muted);
    font-weight: 700;
}

.admin-metrics strong {
    display: block;
    margin-top: 8px;
    font-size: 32px;
}

.admin-panel {
    margin: 24px 32px;
    overflow: hidden;
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 20px;
    border-bottom: 1px solid var(--line);
}

.panel-heading h2 {
    margin: 0;
}

.panel-heading a,
.panel-heading span {
    color: var(--primary);
    font-weight: 800;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
}

td small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

.empty-state {
    margin: 0;
    padding: 28px;
    color: var(--muted);
}

.login-screen {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 20px;
    background: #101828;
}

.login-card {
    display: grid;
    gap: 14px;
    width: min(420px, 100%);
    padding: 28px;
}

.login-card h1 {
    margin: 6px 0 0;
}

.login-card p {
    margin: 0;
    color: var(--muted);
}

.login-card label {
    display: grid;
    gap: 8px;
    font-weight: 800;
}

.login-card input {
    width: 100%;
    min-height: 46px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.login-card button {
    min-height: 46px;
    color: #ffffff;
    background: var(--primary);
    border: 0;
    border-radius: var(--radius);
    font-weight: 900;
    cursor: pointer;
}

.admin-alert {
    padding: 12px;
    color: #b42318;
    background: #fef3f2;
    border-radius: var(--radius);
    font-weight: 800;
}

@media (max-width: 860px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }

    .admin-sidebar nav {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .admin-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .admin-sidebar nav {
        grid-template-columns: 1fr 1fr;
    }

    .admin-topbar,
    .admin-metrics {
        padding-inline: 18px;
    }

    .admin-panel {
        margin-inline: 18px;
    }
}

/* Chatbot admin styles */
.status-chip { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.chip-on { background: #dcfce7; color: #166534; }
.chip-off { background: #fee2e2; color: #991b1b; }

.chatbot-admin-form { padding: 24px 28px; }
.caf-section { margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.caf-section:last-child { border-bottom: 0; }
.caf-section h3 { font-size: 14px; font-weight: 800; margin: 0 0 16px; color: var(--ink); }
.caf-field { margin-bottom: 14px; display: grid; gap: 6px; }
.caf-field label { font-size: 13px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.caf-field input[type="text"],
.caf-field textarea {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--ink);
    background: var(--background);
    width: 100%;
    resize: vertical;
}
.caf-field input[type="text"]:focus,
.caf-field textarea:focus { outline: none; border-color: var(--primary); }
.caf-hint { font-size: 12px; color: var(--muted); margin: -8px 0 14px; }
.caf-footer { padding-top: 8px; }
.admin-btn {
    padding: 12px 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
}
.admin-btn:hover { background: #0026c0; }
.admin-alert-success {
    background: #dcfce7;
    color: #166534;
    padding: 12px 20px;
    border-left: 3px solid #22c55e;
    font-weight: 700;
    font-size: 13px;
}