:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #f8fafd;
  --panel-strong: #eef3fa;
  --text: #111827;
  --muted: #667085;
  --line: #dde5ef;
  --blue: #2563eb;
  --green: #0f9f6e;
  --amber: #c77700;
  --red: #d92d20;
  --violet: #7c3aed;
  --sidebar: #111827;
  --sidebar-text: #dbe5f2;
  --sidebar-muted: #8fa1b8;
  --button: #121926;
  --button-text: #ffffff;
  --shadow: 0 18px 50px rgba(15, 23, 42, .08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070b12;
  --panel: #0f1724;
  --panel-soft: #111c2d;
  --panel-strong: #172235;
  --text: #e7edf7;
  --muted: #98a7bd;
  --line: #263348;
  --blue: #60a5fa;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --violet: #a78bfa;
  --sidebar: #050810;
  --sidebar-text: #eef4ff;
  --sidebar-muted: #8d9bb1;
  --button: #e7edf7;
  --button-text: #0b1220;
  --shadow: 0 18px 55px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }

html { min-width: 320px; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select { font: inherit; }

button {
  min-height: 40px;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--button);
  color: var(--button-text);
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, opacity .16s ease;
}

button:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(15, 23, 42, .16); }
button:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
button.ghost { background: var(--panel-strong); color: var(--text); }
button.soft { background: color-mix(in srgb, var(--blue) 12%, transparent); color: var(--blue); }
button.danger { background: color-mix(in srgb, var(--red) 14%, transparent); color: var(--red); }
button.attention { background: var(--amber); color: #111827; }

input, select {
  min-height: 42px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 0 12px;
  outline: none;
}

input:focus, select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 16%, transparent);
}

h1, h2, p { margin: 0; }

h1 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.2;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 24px 18px;
  background: var(--sidebar);
  color: var(--sidebar-text);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #29b57f;
  color: white;
  font-weight: 800;
}

.brand strong {
  letter-spacing: 0;
}

.brand span {
  display: block;
  color: var(--sidebar-muted);
  font-size: 12px;
}

.nav-tabs {
  display: grid;
  gap: 6px;
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-start;
  text-align: left;
  background: transparent;
  color: var(--sidebar-muted);
  box-shadow: none;
}

.nav-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .07);
  color: var(--sidebar-text);
  font-weight: 800;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, .08);
  color: var(--sidebar-text);
  box-shadow: none;
}

.sidebar-foot {
  margin-top: auto;
  display: grid;
  gap: 4px;
  color: var(--sidebar-muted);
  font-size: 12px;
}

.workspace {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px);
}

.title-block {
  min-width: 0;
}

.title-block small {
  color: var(--muted);
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.language-select {
  width: 78px;
  min-width: 78px;
  font-weight: 800;
}

.icon-btn {
  width: 42px;
  padding: 0;
}

.mobile-only {
  display: none;
}

.pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border-radius: 8px;
  padding: 6px 10px;
  background: var(--panel-strong);
  color: var(--text);
  font-weight: 700;
  font-size: 12px;
}

.content {
  width: min(1480px, 100%);
  padding: 28px;
}

.page-panel {
  display: none;
}

.page-panel.active {
  display: grid;
  gap: 18px;
}

.visual-overview {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
  gap: 20px;
  min-height: 170px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--green) 14%, transparent), transparent 42%),
    linear-gradient(120deg, var(--panel), var(--panel-soft));
  box-shadow: var(--shadow);
  padding: 22px;
}

.visual-overview h2 {
  margin-top: 4px;
  font-size: clamp(24px, 3vw, 34px);
}

.visual-overview p:not(.eyebrow) {
  max-width: 620px;
  margin-top: 8px;
  color: var(--muted);
}

.signal-map {
  position: relative;
  min-height: 128px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--line) 45%, transparent) 1px, transparent 1px),
    linear-gradient(0deg, color-mix(in srgb, var(--line) 45%, transparent) 1px, transparent 1px);
  background-size: 28px 28px;
}

.signal-map::before,
.signal-map::after {
  content: "";
  position: absolute;
  inset: 50% 38px auto 38px;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--violet));
}

.signal-map::after {
  inset: 30px auto 30px 50%;
  width: 2px;
  height: auto;
}

.node {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 82px;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 12px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(15, 23, 42, .12);
}

.node-site { left: 24px; top: 18px; }
.node-proxy { right: 24px; top: 50%; transform: translateY(-50%); }
.node-admin { left: 50%; bottom: 18px; transform: translateX(-50%); }

.port-map {
  display: grid;
  gap: 12px;
  min-height: 128px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
}

.port-map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.port-badge {
  display: grid;
  gap: 4px;
}

.port-badge span {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--blue) 14%, transparent);
  color: var(--blue);
  font-weight: 900;
  font-size: 20px;
}

.port-badge small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}

.port-status {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}

.port-status.ok { color: var(--green); }
.port-status.warn { color: var(--amber); }
.port-status.error { color: var(--red); }

.port-list {
  display: grid;
  gap: 8px;
}

.port-section-label {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.port-listener,
.port-empty {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 10px 12px;
}

.port-listener strong,
.port-listener span {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.port-listener span,
.port-listener small,
.port-empty {
  color: var(--muted);
  font-size: 12px;
}

.port-listener.role-mtproxy { border-left: 4px solid var(--green); }
.port-listener.role-site { border-left: 4px solid var(--blue); }
.port-listener.role-xray { border-left: 4px solid var(--violet); }
.port-listener.role-amneziawg { border-left: 4px solid var(--amber); }

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 800;
}

.panel,
.metric-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
  min-width: 0;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.with-help {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.info-hint {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  cursor: help;
}

.info-hint:focus {
  outline: 3px solid color-mix(in srgb, var(--blue) 18%, transparent);
}

.panel-actions,
.inline-form {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  position: relative;
  min-height: 126px;
  padding: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--blue);
}

.metric-card.accent-green::before { background: var(--green); }
.metric-card.accent-violet::before { background: var(--violet); }
.metric-card.accent-amber::before { background: var(--amber); }

.metric-card span,
.metric-card small {
  color: var(--muted);
}

.metric-card strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.05;
}

.metric-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 7px;
  border-radius: 8px;
  padding: 4px 8px;
  background: var(--panel-strong);
  font-size: 12px;
  font-weight: 800;
}

.metric-status.ok {
  background: color-mix(in srgb, var(--green) 16%, transparent);
  color: var(--green);
}

.metric-status.warn {
  background: color-mix(in srgb, var(--amber) 18%, transparent);
  color: var(--amber);
}

.metric-status.error {
  background: color-mix(in srgb, var(--red) 16%, transparent);
  color: var(--red);
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, .9fr);
  gap: 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 12px;
}

.service {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 14px;
}

.service strong {
  display: block;
  margin-bottom: 6px;
}

.service span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.service i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.status-running i { background: var(--green); }
.status-failed i { background: var(--red); }
.status-inactive i,
.status-stopped i,
.status-activating i,
.status-deactivating i { background: var(--amber); }
.status-not_installed i { background: var(--muted); }

.runtime-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.runtime-grid article,
.traffic-summary article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 12px;
}

.runtime-grid span,
.traffic-summary span,
.settings-list span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.runtime-grid strong,
.traffic-summary strong {
  display: block;
  margin-top: 3px;
  overflow-wrap: anywhere;
  font-size: 18px;
}

.issue-list {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.issue {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--amber) 12%, transparent);
  color: var(--text);
  padding: 10px 12px;
}

.traffic-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.traffic-summary.compact {
  grid-template-columns: repeat(3, minmax(140px, 1fr));
}

.health-ok { background: color-mix(in srgb, var(--green) 18%, transparent); color: var(--green); }
.health-error { background: color-mix(in srgb, var(--red) 18%, transparent); color: var(--red); }
.health-stale,
.health-stopped { background: color-mix(in srgb, var(--amber) 20%, transparent); color: var(--amber); }
.health-not_installed { background: var(--panel-strong); color: var(--muted); }

.traffic-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.segmented {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  padding: 4px;
}

.segmented button {
  min-height: 32px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  padding: 6px 10px;
  font-weight: 800;
}

.segmented button:hover {
  box-shadow: none;
}

.segmented button.active {
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 6px 18px rgba(15, 23, 42, .08);
}

.traffic-chart {
  width: 100%;
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  overflow: hidden;
}

.traffic-chart.is-hidden,
.table-wrap.is-hidden {
  display: none;
}

.traffic-chart svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 300px;
}

.traffic-chart .grid line {
  stroke: var(--line);
  stroke-width: 1;
}

.traffic-chart .line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.traffic-chart .proxy-line { stroke: var(--blue); }
.traffic-chart .site-line { stroke: var(--green); }
.traffic-chart .proxy-area {
  fill: color-mix(in srgb, var(--blue) 10%, transparent);
}

.traffic-chart .axis,
.traffic-chart .legend {
  fill: var(--muted);
  font: 13px system-ui, sans-serif;
}

.empty-chart,
.empty {
  min-height: 160px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 6px;
  color: var(--muted);
  text-align: center;
  padding: 18px;
}

.empty-chart strong {
  color: var(--text);
}

.table-wrap {
  margin-top: 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.keys-wrap {
  margin-top: 14px;
}

.keys-list {
  display: grid;
  gap: 12px;
}

.key-card {
  display: grid;
  grid-template-columns:
    minmax(150px, .85fr)
    minmax(260px, 1.35fr)
    minmax(200px, 1fr)
    minmax(260px, 1.1fr)
    minmax(210px, .9fr);
  grid-template-areas: "user secret links traffic actions";
  gap: 12px;
  align-items: stretch;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  cursor: pointer;
  transition: background .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.key-card:hover {
  background: color-mix(in srgb, var(--blue) 7%, var(--panel));
}

.key-card.selected-row {
  border-color: color-mix(in srgb, var(--blue) 34%, var(--line));
  background: color-mix(in srgb, var(--blue) 10%, var(--panel));
  box-shadow: inset 4px 0 0 var(--blue);
}

.key-card-user,
.key-card-secret,
.key-card-links,
.key-card-traffic,
.key-card-actions {
  display: grid;
  align-content: center;
  gap: 8px;
  min-width: 0;
}

.key-card-user { grid-area: user; }
.key-card-secret { grid-area: secret; }
.key-card-links { grid-area: links; }
.key-card-traffic { grid-area: traffic; }
.key-card-actions { grid-area: actions; }

.key-card-secret code {
  display: block;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
  font-size: 13px;
  line-height: 1.35;
}

.field-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--panel);
}

.keys-table {
  min-width: 1180px;
  table-layout: fixed;
}

.keys-table th:nth-child(1),
.keys-table td:nth-child(1) { width: 11%; }
.keys-table th:nth-child(2),
.keys-table td:nth-child(2) { width: 15%; }
.keys-table th:nth-child(3),
.keys-table td:nth-child(3) { width: 27%; }
.keys-table th:nth-child(4),
.keys-table td:nth-child(4) { width: 16%; }
.keys-table th:nth-child(5),
.keys-table td:nth-child(5) { width: 18%; }
.keys-table th:nth-child(6),
.keys-table td:nth-child(6) { width: 13%; }

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

tr[data-select-user-traffic] {
  cursor: pointer;
  transition: background .16s ease, box-shadow .16s ease;
}

tr[data-select-user-traffic]:hover td {
  background: color-mix(in srgb, var(--blue) 7%, transparent);
}

tr.selected-row td {
  background: color-mix(in srgb, var(--blue) 10%, var(--panel));
}

tr.selected-row td:first-child {
  box-shadow: inset 4px 0 0 var(--blue);
}

.disabled-row {
  opacity: .72;
}

.pending-row {
  outline: 2px solid color-mix(in srgb, var(--blue) 16%, transparent);
}

td code {
  display: inline-block;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

td small {
  color: var(--muted);
}

.key-name-button small {
  color: var(--muted);
}

.action-buttons {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  flex-wrap: nowrap;
}

.keys-table button {
  white-space: nowrap;
}

.key-name-button {
  min-height: auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  box-shadow: none;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  text-align: left;
}

.key-name-button:hover {
  color: var(--blue);
  transform: none;
  box-shadow: none;
}

.mini-actions {
  justify-content: flex-start;
  flex-wrap: nowrap;
}

.key-card .mini-actions,
.key-card .action-buttons {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  align-items: stretch;
  gap: 8px;
  width: 100%;
}

.key-card .mini-actions button,
.key-card .action-buttons button {
  width: 100%;
  min-height: 44px;
  white-space: normal;
  line-height: 1.2;
}

.traffic-cell {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.traffic-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.traffic-main span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.traffic-cell strong {
  font-size: 14px;
}

.traffic-cell .soft {
  flex: 0 0 auto;
}

.ip-limit-control {
  display: grid;
  grid-template-columns: auto minmax(54px, 72px) auto;
  align-items: center;
  gap: 6px;
}

.ip-limit-control span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.ip-limit-control input {
  width: 72px;
  min-height: 36px;
  padding: 0 8px;
}

.ip-limit-control button {
  min-height: 36px;
  padding: 7px 10px;
}

.user-traffic-panel {
  margin-top: 18px;
  scroll-margin-top: 112px;
}

.status-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.state-on { color: var(--green); }
.state-off { color: var(--amber); }

.switch {
  position: relative;
  display: inline-flex;
  width: 46px;
  height: 26px;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.switch span {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
  transition: background .16s ease, border-color .16s ease;
}

.switch span::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: var(--panel);
  box-shadow: 0 3px 9px rgba(15, 23, 42, .22);
  transition: transform .16s ease;
}

.switch input:checked + span {
  border-color: color-mix(in srgb, var(--green) 70%, var(--line));
  background: color-mix(in srgb, var(--green) 64%, var(--panel));
}

.switch input:checked + span::before {
  transform: translateX(20px);
}

.switch input:disabled + span {
  opacity: .55;
  cursor: not-allowed;
}

.empty-cell {
  color: var(--muted);
  text-align: center;
}

.backup-list,
.events-list,
.settings-list {
  display: grid;
  gap: 10px;
}

.mini-actions,
.backup-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mini-actions {
  justify-content: flex-start;
  flex-wrap: nowrap;
}

.backup-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.keys-table .mini-actions,
.keys-table .action-buttons {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  align-items: stretch;
  gap: 8px;
  width: 100%;
}

.keys-table .mini-actions button,
.keys-table .action-buttons button {
  width: 100%;
  min-height: 44px;
  white-space: normal;
  line-height: 1.2;
}

.backup-schedule,
.backup-includes {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 12px;
  margin-bottom: 12px;
}

.backup-schedule {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.backup-schedule span,
.backup-includes span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.backup-item,
.event,
.settings-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 12px;
}

.backup-item span,
.event small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.logs-meta {
  min-height: 24px;
  margin: -2px 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.logs {
  min-height: 460px;
  max-height: calc(100vh - 260px);
  overflow: auto;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--text);
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.qr-card {
  width: min(440px, calc(100vw - 32px));
}

.qr-frame {
  display: grid;
  place-items: center;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-frame img {
  display: block;
  width: min(280px, 70vw);
  aspect-ratio: 1;
  object-fit: contain;
}

.modal-note {
  max-height: 92px;
  overflow: auto;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  min-width: 240px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 13px 14px;
  border-radius: 8px;
  background: var(--button);
  color: var(--button-text);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.promo-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(5, 8, 16, .48);
}

.promo-modal[hidden] {
  display: none;
}

.promo-card {
  position: relative;
  width: min(620px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, .28);
  padding: 22px;
}

.promo-card .icon-btn {
  position: absolute;
  top: 14px;
  right: 14px;
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.promo-grid a {
  display: grid;
  gap: 6px;
  min-height: 98px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--text);
  padding: 14px;
  text-decoration: none;
}

.promo-grid a:hover {
  border-color: var(--green);
}

.promo-grid span {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1180px) {
  .keys-table {
    min-width: 0;
    table-layout: auto;
  }

  .keys-table,
  .keys-table thead,
  .keys-table tbody,
  .keys-table tr,
  .keys-table th,
  .keys-table td {
    display: block;
    width: 100%;
  }

  .keys-table thead {
    display: none;
  }

  .keys-table tr {
    margin-bottom: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    overflow: hidden;
  }

  .keys-table tr:last-child {
    margin-bottom: 0;
  }

  .keys-table td {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 12px;
    width: 100% !important;
    border-bottom: 1px solid var(--line);
  }

  .keys-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
  }

  .keys-table tr:last-child td,
  .keys-table td:last-child {
    border-bottom: 0;
  }

  .keys-table td code {
    max-width: 100%;
    white-space: nowrap;
  }

  .keys-table .mini-actions,
  .keys-table .action-buttons {
    justify-content: stretch;
    flex-wrap: wrap;
  }

  .keys-table .mini-actions button,
  .keys-table .action-buttons button {
    flex: 1 1 130px;
  }
}

@media (max-width: 1280px) {
  .key-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "user traffic"
      "secret links"
      "actions actions";
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(150px, 1fr));
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .mobile-only {
    display: inline-grid;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 10;
    width: min(300px, calc(100vw - 54px));
    transform: translateX(-105%);
    transition: transform .2s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }
}

@media (max-width: 720px) {
  .visual-overview,
  .promo-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    padding: 16px;
  }

  .top-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .content {
    padding: 16px;
  }

  .panel {
    padding: 14px;
  }

  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .metric-grid,
  .service-grid,
  .runtime-grid,
  .traffic-summary {
    grid-template-columns: 1fr;
  }

  .inline-form,
  .panel-actions {
    width: 100%;
  }

  .traffic-controls,
  .segmented {
    width: 100%;
  }

  .traffic-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .segmented {
    justify-content: stretch;
  }

  .segmented button {
    flex: 1 1 0;
  }

  .inline-form input,
  .inline-form select,
  .inline-form button,
  .panel-actions button,
  .panel-actions .status-pill {
    width: 100%;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
  }

  table,
  .keys-table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
    min-width: 0;
  }

  thead {
    display: none;
  }

  tr {
    margin-bottom: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    overflow: hidden;
  }

  td {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 12px;
    border-bottom: 1px solid var(--line);
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
  }

  td.empty-cell {
    display: block;
  }

  td.empty-cell::before {
    display: none;
  }

  td code {
    max-width: 100%;
    white-space: nowrap;
  }

  .action-buttons {
    display: flex;
    justify-content: stretch;
    flex-wrap: wrap;
  }

  .action-buttons button {
    flex: 1 1 140px;
  }

  .traffic-main,
  .ip-limit-control {
    align-items: stretch;
  }

  .traffic-main {
    flex-direction: column;
  }

  .key-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "user"
      "secret"
      "links"
      "traffic"
      "actions";
  }

  .ip-limit-control {
    grid-template-columns: 1fr;
  }

  .ip-limit-control input,
  .ip-limit-control button {
    width: 100%;
  }

  .backup-item,
  .backup-schedule,
  .event,
  .settings-list > div,
  .port-listener,
  .port-empty {
    grid-template-columns: 1fr;
  }

  .mini-actions,
  .action-buttons,
  .backup-actions {
    justify-content: stretch;
  }

  .mini-actions button,
  .action-buttons button,
  .backup-actions button {
    flex: 1 1 130px;
  }
}

@media (max-width: 460px) {
  .topbar {
    display: grid;
    grid-template-columns: auto 1fr;
  }

  .top-actions {
    grid-column: 1 / -1;
  }

  td {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}