:root {
    --bg: #0f172a;
    --card: #1e293b;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --danger: #f87171;
    --success: #4ade80;
    --border: #334155;
}
* { box-sizing: border-box; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    margin: 0;
    padding: 0;
}
body.centered {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 380px;
}
.card.wide { max-width: 560px; }
h1 { margin-top: 0; font-size: 1.4rem; }
label {
    display: block;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--muted);
}
input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    background: #0f172a;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
}
button, .btn {
    display: inline-block;
    padding: 10px 16px;
    background: var(--accent);
    color: #0f172a;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
}
.btn.danger { background: var(--danger); color: #1e293b; }
.btn.primary { background: var(--success); }
.btn.small { padding: 5px 10px; font-size: 0.8rem; }
.error { color: var(--danger); }
.warn { color: #fbbf24; font-size: 0.9rem; }
.hint { color: var(--muted); font-size: 0.85rem; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 1.2rem; }
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}
.vault-table {
    width: calc(100% - 48px);
    margin: 0 24px 24px;
    border-collapse: collapse;
}
.vault-table th, .vault-table td {
    border-bottom: 1px solid var(--border);
    padding: 10px;
    text-align: left;
    font-size: 0.9rem;
}
.tag {
    background: #0f172a;
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
}
.empty { text-align: center; color: var(--muted); padding: 30px !important; }
.masked { font-family: monospace; }
.filter-form select { width: auto; margin: 0; }
.filter-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.search-box { width: 220px; margin: 0; }
.tabs {
    display: flex;
    gap: 4px;
    padding: 0 24px;
    border-bottom: 1px solid var(--border);
}
.tab {
    padding: 12px 20px;
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
}
.tab.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}
.tab:hover:not(.active) { color: var(--text); }