:root {
    --bg: #07070b;
    --surface: rgba(255, 255, 255, .035);
    --surface-2: rgba(255, 255, 255, .06);
    --border: rgba(255, 255, 255, .08);
    --border-strong: rgba(255, 255, 255, .14);
    --text: #f4f4f7;
    --muted: #9a9cab;
    --faint: #5d6070;
    --accent: #7c5cff;
    --accent-2: #e14eca;
    --grad: linear-gradient(135deg, var(--accent), var(--accent-2));
    --ok: #34d399;
    --warn: #fbbf24;
    --danger: #f87171;
    --radius: 18px;
    --shadow: 0 20px 60px -20px rgba(0, 0, 0, .7);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.6 "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}
body::before {
    content: "";
    position: fixed;
    inset: -20% -10% auto -10%;
    height: 70vh;
    background:
        radial-gradient(40% 60% at 80% 0%, rgba(124, 92, 255, .22), transparent 70%),
        radial-gradient(35% 50% at 10% 10%, rgba(225, 78, 202, .14), transparent 70%);
    pointer-events: none;
    z-index: -1;
}
a { color: inherit; text-decoration: none; }
svg { width: 18px; height: 18px; flex: none; }
form { margin: 0; }
.ltr { direction: ltr; unicode-bidi: plaintext; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13.5px; }
.muted { color: var(--muted); }

/* ---------- Top bar ---------- */
.topbar {
    position: sticky; top: 0; z-index: 10;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    background: rgba(7, 7, 11, .65);
    border-bottom: 1px solid var(--border);
}
.topbar-inner { max-width: 1040px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .4px; }
.logo-mark {
    width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
    background: var(--grad); box-shadow: 0 8px 24px -8px var(--accent);
}
.logo-mark svg { width: 18px; height: 18px; color: #fff; }
.logo small { display: block; font-weight: 500; font-size: 11.5px; color: var(--muted); letter-spacing: 0; margin-top: -3px; }
.spacer { flex: 1; }
.user { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13.5px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); display: grid; place-items: center; color: var(--text); font-weight: 600; }

/* ---------- Layout ---------- */
.page { max-width: 1040px; margin: 0 auto; padding: 32px 20px 64px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 26px; font-weight: 700; letter-spacing: -.2px; }
.page-head p { margin: 4px 0 0; color: var(--muted); }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.card + .card { margin-top: 18px; }
.card-head { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.card-head h2 { margin: 0; font-size: 16px; font-weight: 600; }
.card-body { padding: 20px 22px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.stat { padding: 18px 20px; display: flex; align-items: center; gap: 14px; }
.stat-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--border); }
.stat-icon.ok { color: var(--ok); background: rgba(52, 211, 153, .08); border-color: rgba(52, 211, 153, .2); }
.stat-icon.accent { color: #b9a8ff; background: rgba(124, 92, 255, .1); border-color: rgba(124, 92, 255, .25); }
.stat-icon.warn { color: var(--warn); background: rgba(251, 191, 36, .08); border-color: rgba(251, 191, 36, .2); }
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 22px; font-weight: 700; line-height: 1.2; }

/* ---------- Lock switch card ---------- */
.lock { display: flex; align-items: center; gap: 18px; padding: 22px; }
.lock-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; flex: none; transition: .25s; }
.lock-icon svg { width: 24px; height: 24px; }
.lock.is-locked .lock-icon { background: rgba(251, 191, 36, .1); color: var(--warn); border: 1px solid rgba(251, 191, 36, .25); }
.lock.is-open .lock-icon { background: rgba(52, 211, 153, .1); color: var(--ok); border: 1px solid rgba(52, 211, 153, .25); }
.lock h2 { margin: 0 0 2px; font-size: 17px; }
.lock p { margin: 0; color: var(--muted); font-size: 14px; }
.lock-text { flex: 1; min-width: 0; }

.switch { position: relative; width: 56px; height: 32px; flex: none; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch span { position: absolute; inset: 0; border-radius: 32px; background: var(--surface-2); border: 1px solid var(--border-strong); transition: .25s; pointer-events: none; }
.switch span::after { content: ""; position: absolute; top: 3px; right: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; box-shadow: 0 2px 8px rgba(0, 0, 0, .4); transition: .25s cubic-bezier(.3, 1.4, .5, 1); }
.switch input:checked + span { background: var(--grad); border-color: transparent; }
.switch input:checked + span::after { transform: translateX(-24px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Buttons & inputs ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 40px; padding: 0 16px; border-radius: 11px; cursor: pointer;
    border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text);
    font: inherit; font-weight: 600; font-size: 14px; transition: .15s;
}
.btn:hover { background: rgba(255, 255, 255, .1); }
.btn-primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 10px 24px -10px var(--accent); }
.btn-primary:hover { filter: brightness(1.1); background: var(--grad); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }
.icon-btn {
    width: 36px; height: 36px; border-radius: 10px; display: inline-grid; place-items: center; cursor: pointer;
    border: 1px solid transparent; background: transparent; color: var(--muted); transition: .15s;
}
.icon-btn:hover:not(:disabled) { background: var(--surface-2); border-color: var(--border); color: var(--text); }
.icon-btn.danger:hover:not(:disabled) { color: var(--danger); background: rgba(248, 113, 113, .08); border-color: rgba(248, 113, 113, .2); }
.icon-btn:disabled { opacity: .25; cursor: default; }
.icon-btn svg { width: 17px; height: 17px; }

.field { display: block; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.input {
    width: 100%; height: 44px; padding: 0 14px; border-radius: 11px;
    background: rgba(0, 0, 0, .35); border: 1px solid var(--border-strong); color: var(--text);
    font: inherit; transition: .15s;
}
.input::placeholder { color: var(--faint); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(124, 92, 255, .18); }

/* ---------- DNS list ---------- */
.add-form { display: grid; grid-template-columns: 1fr 2fr auto; gap: 12px; align-items: end; padding: 20px 22px; border-bottom: 1px solid var(--border); background: rgba(124, 92, 255, .04); }
.add-form[hidden] { display: none; }

.dns-row { display: flex; align-items: center; gap: 14px; padding: 14px 22px; border-bottom: 1px solid var(--border); transition: background .15s; }
.dns-row:last-child { border-bottom: 0; }
.dns-row:hover { background: rgba(255, 255, 255, .02); }
.dns-row.is-off { opacity: .55; }
.order { display: flex; flex-direction: column; }
.order .icon-btn { width: 26px; height: 20px; border-radius: 6px; }
.order .icon-btn svg { width: 14px; height: 14px; }
.rank { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--surface-2); color: var(--muted); font-size: 13px; font-weight: 600; flex: none; }
.dns-main { flex: 1; min-width: 0; }
.dns-name { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.dns-url { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: right; }
.pill { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 9px; border-radius: 22px; font-size: 12px; font-weight: 600; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.on { color: var(--ok); background: rgba(52, 211, 153, .1); }
.pill.off { color: var(--faint); background: var(--surface-2); }
.actions { display: flex; gap: 2px; }

.edit-form { display: none; flex: 1; gap: 10px; align-items: center; }
.dns-row.editing .dns-main, .dns-row.editing .actions { display: none; }
.dns-row.editing .edit-form { display: flex; }
.edit-form .input { height: 38px; }
.edit-form .name { max-width: 180px; }

.empty { padding: 56px 22px; text-align: center; color: var(--muted); }
.empty-icon { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); }
.empty-icon svg { width: 24px; height: 24px; }
.empty h3 { margin: 0 0 4px; color: var(--text); font-size: 16px; }

.hint { display: flex; gap: 10px; align-items: flex-start; padding: 14px 22px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }
.hint svg { width: 16px; height: 16px; margin-top: 3px; }

/* ---------- Toast ---------- */
.toast {
    position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 0); z-index: 50;
    display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 14px;
    background: rgba(24, 24, 32, .92); border: 1px solid var(--border-strong); box-shadow: var(--shadow);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    font-weight: 500; animation: toast-in .35s cubic-bezier(.2, 1.3, .4, 1);
}
.toast.ok svg { color: var(--ok); }
.toast.err svg { color: var(--danger); }
.toast.hide { opacity: 0; transform: translate(-50%, 10px); transition: .3s; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 16px); } }

/* ---------- Login ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 400px; padding: 34px 30px; }
.auth-card .logo { justify-content: center; margin-bottom: 26px; font-size: 18px; }
.auth-card .logo-mark { width: 46px; height: 46px; border-radius: 14px; }
.auth-card h1 { margin: 0 0 4px; font-size: 22px; text-align: center; }
.auth-card > p { margin: 0 0 26px; color: var(--muted); text-align: center; }
.auth-card .field + .field { margin-top: 14px; }
.check { display: flex; align-items: center; gap: 8px; margin: 16px 0 22px; color: var(--muted); font-size: 14px; cursor: pointer; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); }
.auth-card .btn { width: 100%; height: 46px; }
.error-box { display: flex; gap: 10px; align-items: center; padding: 11px 14px; margin-bottom: 18px; border-radius: 11px; background: rgba(248, 113, 113, .08); border: 1px solid rgba(248, 113, 113, .2); color: #fca5a5; font-size: 14px; }

@media (max-width: 760px) {
    .stats { grid-template-columns: 1fr; }
    .add-form { grid-template-columns: 1fr; }
    .add-form .btn { width: 100%; }
    .user span { display: none; }
    .dns-row { flex-wrap: wrap; padding: 14px 16px; }
    .dns-row.editing .edit-form { flex-wrap: wrap; }
    .edit-form .name { max-width: none; }
    .card-head, .card-body, .lock, .add-form { padding-left: 16px; padding-right: 16px; }
    .page { padding: 24px 16px 48px; }
}