:root {
    color-scheme: dark;
    --bg: #0f1117;
    --card: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #8b949e;
    --primary: #7c3aed;
    --danger: #ef4444;
    --success: #22c55e;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Segoe UI, system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}
.hidden { display: none !important; }

.login-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}
.login-card {
    width: min(420px, 100%);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    display: grid;
    gap: 10px;
}
.login-card h1 { margin: 0; }
.login-card p { margin: 0 0 8px; color: var(--muted); }

label { font-size: 13px; color: var(--muted); }
input, textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0d1117;
    color: var(--text);
}
textarea { min-height: 120px; font-family: Consolas, monospace; font-size: 12px; }

.btn {
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    color: white;
    background: var(--primary);
}
.btn.secondary { background: #374151; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 6px 10px; font-size: 12px; }

.error { color: #f87171; font-size: 13px; min-height: 18px; }

.app { max-width: 1200px; margin: 0 auto; padding: 24px; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: start; margin-bottom: 20px; }
.topbar h1 { margin: 0 0 4px; }
.topbar p { margin: 0; color: var(--muted); }
.topbar-actions { display: flex; gap: 8px; }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 999px;
    padding: 8px 14px;
    cursor: pointer;
}
.tab.active { background: var(--primary); border-color: var(--primary); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
code { font-family: Consolas, monospace; font-size: 12px; }
.empty { color: var(--muted); padding: 24px; text-align: center; }
.form-grid { display: grid; gap: 12px; max-width: 720px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.user-badge {
    align-self: center;
    font-size: 13px;
    color: var(--muted);
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #0d1117;
}

.section-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
    margin-bottom: 16px;
}
.section-header h3 { margin: 0 0 4px; }
.muted { color: var(--muted); margin: 0; }
.hint { font-size: 12px; }

.pill {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    border: 1px solid var(--border);
}
.pill-admin { background: rgba(124, 58, 237, 0.15); color: #c4b5fd; border-color: rgba(124, 58, 237, 0.35); }
.pill-operator { background: rgba(59, 130, 246, 0.15); color: #93c5fd; border-color: rgba(59, 130, 246, 0.35); }
.pill-active { background: rgba(34, 197, 94, 0.15); color: #86efac; border-color: rgba(34, 197, 94, 0.35); }
.pill-inactive { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border-color: rgba(239, 68, 68, 0.35); }

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    display: grid;
    place-items: center;
    padding: 24px;
    z-index: 100;
}
.modal-card {
    width: min(520px, 100%);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.modal-header h3 { margin: 0; }
.modal-body { margin-bottom: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }