:root {
    --accent: #4f46e5;
    --accent-600: #4338ca;
    --accent-soft: #eef2ff;

    --sidebar: #0f1729;
    --sidebar-2: #0b1120;
    --sidebar-ink: #c6d0e2;
    --sidebar-dim: #7c8aa5;

    --bg: #f4f6fb;
    --card: #ffffff;
    --ink: #18213a;
    --ink-soft: #56617a;
    --ink-faint: #8b95a9;
    --line: #e5e9f2;
    --line-strong: #d5dbe8;
    --field: #f7f9fc;

    --danger: #dc2626;  --danger-bg: #fef2f2;  --danger-line: #fbd0d0;
    --ok: #15803d;      --ok-bg: #f0fdf4;      --ok-line: #bbf7d0;
    --warn: #b45309;

    --radius: 14px;
    --radius-sm: 9px;
    --shadow-sm: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
    --shadow: 0 6px 20px -6px rgba(16,24,40,.14);
    --shadow-lg: 0 24px 60px -18px rgba(16,24,40,.45);

    --mono: "Cascadia Code", "JetBrains Mono", "Consolas", ui-monospace, monospace;
    --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }

/* ============ app shell ============ */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }

.sidebar {
    background: linear-gradient(180deg, var(--sidebar) 0%, var(--sidebar-2) 100%);
    color: var(--sidebar-ink);
    display: flex; flex-direction: column;
    padding: 18px 14px;
    position: sticky; top: 0; height: 100vh;
}
.side-brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; font-size: 16px; color: #fff;
    padding: 8px 10px 20px;
    letter-spacing: .2px;
}
.brand-mark {
    display: grid; place-items: center;
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    color: #fff;
}
.brand-mark svg { width: 19px; height: 19px; }

.side-nav { display: flex; flex-direction: column; gap: 3px; }
.side-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: 10px;
    color: var(--sidebar-ink); text-decoration: none;
    font-weight: 500; font-size: 14px;
    transition: background .13s, color .13s;
}
.side-nav a svg { width: 18px; height: 18px; color: var(--sidebar-dim); transition: color .13s; }
.side-nav a:hover { background: rgba(255,255,255,.05); color: #fff; }
.side-nav a:hover svg { color: var(--sidebar-ink); }
.side-nav a.active { background: rgba(99,102,241,.18); color: #fff; box-shadow: inset 0 0 0 1px rgba(99,102,241,.35); }
.side-nav a.active svg { color: #a5b4fc; }

.side-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.07); }
.side-user { display: flex; align-items: center; gap: 11px; padding: 6px 8px 12px; }
.side-user .avatar {
    width: 36px; height: 36px; border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--accent), #7c3aed); color: #fff;
    font-weight: 700; font-size: 15px;
}
.side-user .who { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.side-user .uname { color: #fff; font-weight: 600; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-user .urole { color: var(--sidebar-dim); font-size: 11.5px; }
.side-logout {
    width: 100%;
    display: flex; align-items: center; gap: 9px; justify-content: center;
    background: rgba(255,255,255,.04); color: var(--sidebar-ink);
    border: 1px solid rgba(255,255,255,.09); border-radius: 9px;
    padding: 9px; font: inherit; font-weight: 600; font-size: 13px; cursor: pointer;
    transition: background .13s, border-color .13s;
}
.side-logout svg { width: 16px; height: 16px; }
.side-logout:hover { background: rgba(220,38,38,.14); border-color: rgba(220,38,38,.4); color: #fecaca; }

.main { min-width: 0; }
.main-inner { max-width: 1180px; margin: 0 auto; padding: 30px 34px 64px; }

/* ============ page header ============ */
.page-head { margin-bottom: 22px; }
.page-head h1, .page-title { margin: 0; font-size: 22px; font-weight: 750; letter-spacing: -.01em; color: var(--ink); }
.page-head p { margin: 5px 0 0; color: var(--ink-soft); font-size: 13.5px; }

/* ============ cards ============ */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card-pad { padding: 20px 22px; }
.card + .card, .card + .result-block { margin-top: 20px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--ink); margin: 0 0 16px; display: flex; align-items: center; gap: 8px; }
.card-title .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ============ buttons ============ */
.btn {
    font: inherit; font-weight: 600; cursor: pointer;
    border: 1px solid transparent; border-radius: var(--radius-sm);
    padding: 9px 17px; display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none; transition: background .13s, border-color .13s, box-shadow .13s, transform .04s;
    line-height: 1.2;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(79,70,229,.4); }
.btn-primary:hover { background: var(--accent-600); }
.btn-ghost { background: var(--card); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--field); }
.btn-small { padding: 6px 12px; font-size: 12.5px; border-radius: 7px; background: var(--field); color: var(--ink-soft); border-color: var(--line); }
.btn-small:hover { background: #eef1f7; color: var(--ink); }
.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-line); }
.btn-danger:hover { background: #fde2e2; }

/* ============ forms ============ */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 12.5px; font-weight: 600; color: var(--ink-soft); }
.field input, .field select {
    font: inherit; color: var(--ink);
    background: var(--field); border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-sm); padding: 9px 12px;
    transition: border-color .13s, box-shadow .13s, background .13s;
}
.field input::placeholder { color: var(--ink-faint); }
.field input:focus, .field select:focus {
    outline: none; border-color: var(--accent); background: #fff;
    box-shadow: 0 0 0 3.5px rgba(79,70,229,.14);
}
.conn-grid { display: grid; grid-template-columns: 2fr 1.3fr 1.3fr; gap: 15px; }

.actions { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.actions .hint, .hint { color: var(--ink-faint); font-size: 12.5px; }

/* connection card on the query page */
.console-form { display: flex; flex-direction: column; }
.conn { border: 0; padding: 0; margin: 0; }
.conn legend { display: none; }
.saved-row { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 16px; }
.saved-row .field { min-width: 300px; }
.manage-link { color: var(--accent); font-size: 13px; text-decoration: none; padding-bottom: 10px; font-weight: 600; }
.manage-link:hover { text-decoration: underline; }
.no-saved { margin: 0 0 14px; color: var(--ink-soft); }
.manual-conn { margin-bottom: 6px; }

/* ============ query editor (dark) ============ */
.query-field { margin-top: 18px; gap: 8px; }
.query-field > span { font-size: 12.5px; font-weight: 600; color: var(--ink-soft); }
.query-area {
    font-family: var(--mono); font-size: 13.5px; line-height: 1.6;
    color: #e8ecf6; background: #10192e;
    border: 1.5px solid #24304a; border-radius: 11px;
    padding: 14px 16px; min-height: 172px; resize: vertical; tab-size: 4;
    caret-color: #a5b4fc;
}
.query-area::placeholder { color: #5b6a86; }
.query-area:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3.5px rgba(79,70,229,.28); }

/* ============ results ============ */
.result-block { margin-top: 22px; }
.result-meta {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    margin-bottom: 10px; color: var(--ink-soft); font-size: 13px;
}
.result-meta strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.result-meta .truncated { color: var(--warn); font-weight: 600; }

.grid-wrap {
    overflow: auto; max-height: 62vh;
    border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--card); box-shadow: var(--shadow-sm);
}
.grid { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 13px; }
.grid th {
    position: sticky; top: 0; z-index: 1;
    background: #eef1f8; color: var(--ink);
    text-align: start; font-weight: 650; white-space: nowrap;
    padding: 10px 14px; border-bottom: 1px solid var(--line-strong);
}
.grid td {
    padding: 8px 14px; border-bottom: 1px solid var(--line);
    white-space: nowrap; font-variant-numeric: tabular-nums;
    color: var(--ink);
}
.grid tbody tr:last-child td { border-bottom: 0; }
.grid tbody tr:hover td { background: #f7f9fd; }
.grid td.null { color: var(--ink-faint); font-style: italic; }

/* ============ tables (users / connections) ============ */
.data-table .grid td strong { font-weight: 650; }
.row-actions { display: flex; gap: 10px; align-items: center; white-space: nowrap; }
.row-actions .inline { display: inline-flex; gap: 6px; margin: 0; align-items: center; }
.row-actions input[type=password] {
    font: inherit; padding: 6px 9px; width: 140px;
    border: 1.5px solid var(--line-strong); border-radius: 7px; background: var(--field);
}
.you {
    display: inline-block; margin-inline-start: 8px;
    font-size: 10.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    color: var(--accent); background: var(--accent-soft);
    padding: 2px 8px; border-radius: 20px; vertical-align: middle;
}

/* ============ alerts ============ */
.alert-error, .alert-ok {
    border-radius: var(--radius-sm); padding: 12px 15px; margin-bottom: 18px;
    font-size: 13.5px; display: flex; gap: 10px; align-items: flex-start;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-line); font-family: var(--mono); white-space: pre-wrap; }
.alert-ok { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok-line); font-weight: 500; }
.empty { color: var(--ink-soft); background: var(--card); border: 1px dashed var(--line-strong); border-radius: var(--radius); padding: 26px; text-align: center; }
.empty a { font-weight: 600; }

/* ============ add-forms card ============ */
.add-user-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 20px 22px; max-width: 640px; }
.add-user-card h3 { margin: 0 0 16px; font-size: 14.5px; font-weight: 700; }
.add-user-form { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.add-user-form .field { flex: 1; min-width: 150px; }

/* ============ login ============ */
.login-body {
    min-height: 100vh; display: grid; place-items: center; padding: 20px;
    background:
        radial-gradient(1100px 520px at 15% -10%, rgba(99,102,241,.35), transparent 60%),
        radial-gradient(900px 500px at 100% 110%, rgba(124,58,237,.32), transparent 55%),
        linear-gradient(160deg, #0f1729 0%, #0b1120 100%);
}
.login-card {
    width: 100%; max-width: 380px;
    background: var(--card); border-radius: 18px;
    padding: 34px 32px; box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,.5);
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand .mark {
    width: 52px; height: 52px; border-radius: 15px; margin: 0 auto 14px;
    display: grid; place-items: center; color: #fff;
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    box-shadow: 0 10px 24px -8px rgba(79,70,229,.7);
}
.login-brand .mark svg { width: 27px; height: 27px; }
.login-brand h1 { margin: 0 0 3px; font-size: 21px; font-weight: 750; }
.login-brand p { margin: 0; color: var(--ink-soft); font-size: 13.5px; }
.login-form { display: flex; flex-direction: column; gap: 15px; }
.login-form label { display: flex; flex-direction: column; gap: 6px; }
.login-form label span { font-size: 12.5px; font-weight: 600; color: var(--ink-soft); }
.login-form input {
    font: inherit; background: var(--field);
    border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); padding: 11px 13px;
    transition: border-color .13s, box-shadow .13s, background .13s;
}
.login-form input:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3.5px rgba(79,70,229,.14); }
.login-form .btn { margin-top: 6px; justify-content: center; padding: 11px; }
.login-card .alert-error { font-family: var(--sans); }

/* ============ responsive ============ */
@media (max-width: 860px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; flex-direction: row; align-items: center; flex-wrap: wrap; gap: 8px; }
    .side-brand { padding: 6px 8px; }
    .side-nav { flex-direction: row; }
    .side-foot { margin: 0 0 0 auto; padding: 0; border: 0; display: flex; align-items: center; gap: 10px; }
    .side-user { display: none; }
    .main-inner { padding: 22px 18px 48px; }
    .conn-grid { grid-template-columns: 1fr; }
}