:root {
  --lkw-blue: #1e2a78;
  --lkw-blue-2: #26389c;
  --lkw-pink: #ff6b9a;
  --lkw-bg: #f6f7fb;
  --lkw-card: #ffffff;
  --lkw-text: #172044;
  --lkw-muted: #6b7280;
  --lkw-border: #e7e9f3;
  --lkw-success: #18794e;
  --lkw-error: #b42318;
  --radius: 22px;
  --shadow: 0 18px 45px rgba(30, 42, 120, 0.10);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--lkw-text); background: var(--lkw-bg); }
a { color: inherit; text-decoration: none; }
.app { min-height: 100vh; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 270px; height: 100vh; padding: 28px 20px; background: linear-gradient(180deg, var(--lkw-blue), #111947); color: #fff; display: flex; flex-direction: column; overflow-y: auto; }
.brand { display: flex; flex-direction: column; gap: 4px; margin-bottom: 34px; }
.brand strong { font-size: 24px; letter-spacing: -0.03em; }
.brand span { color: rgba(255,255,255,.72); font-size: 13px; }
.nav { display: grid; gap: 8px; }
.nav a, .nav button { width: 100%; border: 0; color: rgba(255,255,255,.86); background: transparent; text-align: left; padding: 12px 14px; border-radius: 14px; font: inherit; cursor: pointer; }
.nav a:hover, .nav button:hover { background: rgba(255,255,255,.10); color: #fff; }
.logout-form { margin-top: 24px; }
.sidebar-footer { margin-top: auto; padding-top: 22px; display: grid; justify-items: center; gap: 12px; text-align: center; }
.version-trigger { justify-self: center; display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: 9px 14px; background: rgba(255,255,255,.08); color: #fff; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; white-space: nowrap; text-align: center; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.version-trigger:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.28); transform: translateY(-1px); }
.sidebar-copyright { text-align: center; font-size: 11px; line-height: 1.55; color: rgba(255,255,255,.72); }
.main { margin-left: 270px; padding: 34px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; gap: 18px; }
.topbar h1 { margin: 0; font-size: 30px; letter-spacing: -0.04em; color: var(--lkw-blue); }
.topbar p { margin: 7px 0 0; color: var(--lkw-muted); }
.user-pill { padding: 10px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--lkw-border); color: var(--lkw-blue); box-shadow: 0 10px 26px rgba(30,42,120,.06); }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.card { background: var(--lkw-card); border: 1px solid var(--lkw-border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.card h2, .card h3 { margin: 0 0 14px; color: var(--lkw-blue); letter-spacing: -0.03em; }
.import-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.import-card h2 { margin-bottom: 8px; }
.import-card .hint { margin: 0; }

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat span { color: var(--lkw-muted); font-size: 14px; }
.stat strong { font-size: 34px; color: var(--lkw-blue); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 999px; background: var(--lkw-blue); color: #fff; font-weight: 700; padding: 11px 16px; cursor: pointer; box-shadow: 0 12px 25px rgba(30,42,120,.18); }
.btn.secondary { background: #fff; color: var(--lkw-blue); border: 1px solid var(--lkw-border); box-shadow: none; }
.btn.pink { background: var(--lkw-pink); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 12px; text-align: left; border-bottom: 1px solid var(--lkw-border); vertical-align: middle; }
th { color: var(--lkw-blue); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
td { color: #273052; }
.badge { display: inline-flex; padding: 5px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: #edf0ff; color: var(--lkw-blue); }
.badge.success { background: #e9f8f0; color: var(--lkw-success); }
.badge.error { background: #fff0ed; color: var(--lkw-error); }
.form-grid { display: grid; gap: 16px; max-width: 820px; }
label { display: grid; gap: 7px; color: var(--lkw-blue); font-weight: 700; }
input { width: 100%; border: 1px solid var(--lkw-border); border-radius: 14px; padding: 13px 14px; font: inherit; background: #fff; color: var(--lkw-text); }
.hint { color: var(--lkw-muted); font-size: 14px; line-height: 1.55; }
.flash { display: grid; gap: 10px; margin-bottom: 18px; }
.flash-item { padding: 13px 15px; border-radius: 16px; border: 1px solid var(--lkw-border); background: #fff; }
.flash-item.success { border-color: #bde8d0; color: var(--lkw-success); background: #effaf4; }
.flash-item.error { border-color: #ffd0c7; color: var(--lkw-error); background: #fff5f2; }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 28px; background: radial-gradient(circle at top left, rgba(255,107,154,.22), transparent 32%), linear-gradient(135deg, #f7f7fb, #eef1ff); }
.auth-card { width: min(100%, 520px); background: #fff; border: 1px solid var(--lkw-border); border-radius: 30px; box-shadow: var(--shadow); padding: 34px; }
.auth-card h1 { color: var(--lkw-blue); margin: 0 0 8px; }
.auth-card p { margin: 0 0 22px; color: var(--lkw-muted); }
pre.raw-json { white-space: pre-wrap; word-break: break-word; background: #111827; color: #f9fafb; border-radius: 18px; padding: 18px; overflow-x: auto; }
.inline-form { display: flex; gap: 8px; align-items: center; }
.inline-form input { width: 95px; padding: 9px 10px; }
.inline-form .btn { padding: 9px 12px; }
.full { grid-column: 1 / -1; }
.setup-page { align-items: start; }
.setup-card { width: min(100%, 980px); background: #fff; border: 1px solid var(--lkw-border); border-radius: 30px; box-shadow: var(--shadow); padding: 34px; margin: 20px auto; }
.setup-head { margin-bottom: 22px; }
.setup-kicker { display: inline-flex; border-radius: 999px; padding: 6px 10px; background: #edf0ff; color: var(--lkw-blue); font-size: 12px; font-weight: 800; margin-bottom: 12px; }
.setup-head h1 { color: var(--lkw-blue); margin: 0 0 8px; letter-spacing: -0.04em; }
.setup-head p { margin: 0; color: var(--lkw-muted); line-height: 1.55; }
.setup-form { max-width: none; }
.setup-section { border: 1px solid var(--lkw-border); border-radius: 22px; padding: 20px; background: #fbfcff; }
.setup-section h2 { margin: 0 0 16px; color: var(--lkw-blue); font-size: 20px; letter-spacing: -0.03em; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: none; }
.setup-requirements { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.requirement { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 7px 10px; font-size: 13px; font-weight: 800; border: 1px solid var(--lkw-border); background: #fff; }
.requirement.ok { color: var(--lkw-success); border-color: #bde8d0; background: #effaf4; }
.requirement.fail { color: var(--lkw-error); border-color: #ffd0c7; background: #fff5f2; }
@media (max-width: 720px) { .two-columns { grid-template-columns: 1fr; } .setup-card { padding: 24px; } }

.status-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0 0 18px; }
.status-item { border: 1px solid var(--lkw-border); border-radius: 18px; padding: 14px; background: #fff; display: grid; gap: 5px; }
.status-item strong { color: var(--lkw-blue); }
.status-item span { color: var(--lkw-muted); font-size: 14px; }
.status-item.ok { border-color: #bde8d0; background: #effaf4; }
.status-item.ok span { color: var(--lkw-success); font-weight: 700; }
.status-item.fail { border-color: #ffd0c7; background: #fff5f2; }
.status-item.fail span { color: var(--lkw-error); font-weight: 700; }
.connector-warning { border: 1px solid #ffd0c7; background: #fff5f2; color: #7a271a; border-radius: 18px; padding: 15px 16px; margin: 0 0 18px; }
.connector-warning strong { display: block; margin-bottom: 5px; color: var(--lkw-error); }
.connector-warning p { margin: 0 0 8px; }
.connector-warning ul { margin: 0; padding-left: 20px; }
button:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }
@media (max-width: 860px) { .status-list { grid-template-columns: 1fr; } }

body.modal-open { overflow: hidden; }
.modal-backdrop[hidden] { display: none !important; }
.modal-backdrop { position: fixed; inset: 0; z-index: 999; display: flex; align-items: center; justify-content: center; padding: 24px; background: rgba(10, 18, 56, .55); backdrop-filter: blur(4px); }
.modal-card { width: min(100%, 860px); max-height: min(85vh, 900px); overflow: hidden; display: grid; grid-template-rows: auto 1fr; background: #fff; border: 1px solid var(--lkw-border); border-radius: 28px; box-shadow: 0 30px 80px rgba(17, 25, 71, .28); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 24px 24px 18px; border-bottom: 1px solid var(--lkw-border); }
.modal-head h2 { margin: 8px 0 0; color: var(--lkw-blue); letter-spacing: -0.03em; }
.modal-kicker { display: inline-flex; border-radius: 999px; padding: 6px 10px; background: #edf0ff; color: var(--lkw-blue); font-size: 12px; font-weight: 800; }
.modal-close { width: 42px; height: 42px; border: 1px solid var(--lkw-border); border-radius: 999px; background: #fff; color: var(--lkw-blue); font-size: 26px; line-height: 1; cursor: pointer; }
.modal-close:hover { background: #f7f8ff; }
.changelog-content { margin: 0; padding: 24px; overflow: auto; white-space: pre-wrap; word-break: break-word; font: 14px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #243056; background: #fbfcff; }
@media (max-width: 980px) { .sidebar { position: static; width: auto; height: auto; } .main { margin-left: 0; padding: 22px; } .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .topbar { align-items: flex-start; flex-direction: column; } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } .auth-card { padding: 24px; } .modal-card { width: 100%; max-height: 88vh; } .modal-head { padding: 20px 20px 16px; } .changelog-content { padding: 20px; font-size: 13px; } }

@media (max-width: 760px) { .import-card { align-items: stretch; flex-direction: column; } .import-card .btn { width: 100%; } }

.settings-layout { display: grid; grid-template-columns: minmax(230px, 300px) minmax(0, 1fr); gap: 20px; align-items: start; }
.settings-nav { padding: 14px; display: grid; gap: 10px; position: sticky; top: 24px; }
.settings-nav-item { display: grid; gap: 6px; padding: 14px 15px; border: 1px solid transparent; border-radius: 18px; background: #fff; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.settings-nav-item strong { color: var(--lkw-blue); }
.settings-nav-item span { color: var(--lkw-muted); font-size: 13px; line-height: 1.45; }
.settings-nav-item:hover { border-color: var(--lkw-border); background: #fbfcff; transform: translateY(-1px); }
.settings-nav-item.active { border-color: #d9defa; background: #f1f3ff; box-shadow: inset 3px 0 0 var(--lkw-blue); }
.settings-content { min-width: 0; }
.settings-import-card { align-items: flex-start; }
.sync-stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.system-status-list { margin-top: 18px; }
@media (max-width: 1100px) { .settings-layout { grid-template-columns: 1fr; } .settings-nav { position: static; } .sync-stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .sync-stats-grid { grid-template-columns: 1fr; } }

.settings-section-head { display: grid; gap: 8px; }
.settings-section-head h2 { margin: 0; color: var(--lkw-blue); letter-spacing: -0.03em; }
.settings-kicker { display: inline-flex; width: fit-content; border-radius: 999px; padding: 6px 10px; background: #edf0ff; color: var(--lkw-blue); font-size: 12px; font-weight: 800; }
.system-overview-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-small { font-size: 15px !important; line-height: 1.35; word-break: break-word; }
.card-head-row { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 18px; }
.card-head-row h2 { margin: 0 0 8px; }
.update-card { display: grid; gap: 18px; }
.update-settings-form { max-width: none; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.update-panel { border: 1px solid var(--lkw-border); border-radius: 22px; padding: 18px; background: #fbfcff; display: grid; gap: 14px; }
.update-progress { height: 14px; border-radius: 999px; overflow: hidden; background: #e8ebf7; border: 1px solid #dce1f3; }
.update-progress-bar { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--lkw-blue), var(--lkw-pink)); transition: width .35s ease; }
.update-result { min-height: 42px; display: flex; align-items: center; border-radius: 16px; padding: 12px 14px; background: #fff; border: 1px solid var(--lkw-border); color: #273052; font-weight: 700; }
.update-actions { align-items: center; }
.update-panel code { background: #eef1ff; color: var(--lkw-blue); padding: 2px 6px; border-radius: 8px; }
.nav-parent { position: relative; }
.nav-sub { display: grid; gap: 5px; margin: -2px 0 8px 12px; padding-left: 12px; border-left: 1px solid rgba(255,255,255,.18); }
.nav-sub a { font-size: 13px; padding: 9px 12px !important; color: rgba(255,255,255,.72) !important; }
.nav-sub a.active, .nav a.active, .nav button.active { background: rgba(255,255,255,.14); color: #fff !important; }
.nav-sub a:hover { color: #fff !important; }
@media (max-width: 1180px) { .system-overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .update-settings-form { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .system-overview-grid { grid-template-columns: 1fr; } .card-head-row { flex-direction: column; } }