:root {
    --color-bg: #f7f7f9;
    --color-surface: #ffffff;
    --color-border: #e2e2e7;
    --color-text: #1f2328;
    --color-muted: #6b7280;
    --color-primary: #1f6feb;
    --color-primary-dark: #1a5fc9;
    --color-success-bg: #dcfce7;
    --color-success-text: #14532d;
    --color-error-bg: #fee2e2;
    --color-error-text: #7f1d1d;
    --color-info-bg: #dbeafe;
    --color-info-text: #1e3a8a;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a { color: var(--color-primary); }

.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.topbar-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-weight: 600;
    text-decoration: none;
    color: var(--color-text);
}

.topbar nav a, .topbar nav span {
    margin-left: 16px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 14px;
}

.topbar nav a:hover { color: var(--color-primary); }

.user {
    color: var(--color-muted) !important;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}

.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero h1 { font-size: 28px; margin-bottom: 12px; }
.hero p { color: var(--color-muted); max-width: 520px; margin: 0 auto 24px; }

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { background: var(--color-primary-dark); color: #fff; }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover { background: var(--color-bg); }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.card h2 { margin-top: 0; font-size: 18px; }

.status { font-size: 14px; padding: 8px 10px; border-radius: var(--radius); }
.status-ok { background: var(--color-success-bg); color: var(--color-success-text); }
.status-error { background: var(--color-error-bg); color: var(--color-error-text); }

.hint { font-size: 12px; color: var(--color-muted); }

.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}

.flash-success { background: var(--color-success-bg); color: var(--color-success-text); }
.flash-error { background: var(--color-error-bg); color: var(--color-error-text); }
.flash-info { background: var(--color-info-bg); color: var(--color-info-text); }

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table th, .table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font-size: 14px;
}

.table th { background: var(--color-bg); font-weight: 600; }
.table tr:last-child td { border-bottom: none; }

form.form-block .form-row {
    margin-bottom: 16px;
}

form.form-block label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 14px;
}

form.form-block input[type=text],
form.form-block textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
}

form.form-block textarea { min-height: 90px; }

form.form-block .form-help {
    font-size: 12px;
    color: var(--color-muted);
    margin-top: 4px;
}

code {
    background: var(--color-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}