:root {
  color-scheme: light;
  --bg: #f4f6f1;
  --surface: #ffffff;
  --surface-elevated: #fbfcf8;
  --surface-soft: #eef4ef;
  --line: #d9e0d7;
  --text: #17201a;
  --muted: #64706a;
  --green: #16855a;
  --green-dark: #0e6845;
  --blue: #1f6fb2;
  --red: #ba3f3f;
  --amber: #a66a12;
  --input-bg: #ffffff;
  --secondary-bg: #e9f2f8;
  --secondary-line: #cdddea;
  --danger-bg: #fff0f0;
  --status-ok-bg: #e7f6ee;
  --status-warn-bg: #fff3db;
  --status-bad-bg: #ffe8e8;
  --progress-bg: #e1e7df;
  --shadow: 0 16px 40px rgba(31, 45, 34, .08);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1210;
  --surface: #151b18;
  --surface-elevated: #111713;
  --surface-soft: #1d2a24;
  --line: #2b3932;
  --text: #edf4ef;
  --muted: #9aa8a1;
  --green: #2fbf82;
  --green-dark: #27a872;
  --blue: #77b7ff;
  --red: #ff7b7b;
  --amber: #e6b35e;
  --input-bg: #0f1512;
  --secondary-bg: #142435;
  --secondary-line: #284661;
  --danger-bg: #351c1f;
  --status-ok-bg: #103326;
  --status-warn-bg: #352816;
  --status-bad-bg: #3b1d20;
  --progress-bg: #26332d;
  --shadow: 0 18px 48px rgba(0, 0, 0, .32);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  padding: 18px;
  background: var(--surface-elevated);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand strong {
  display: block;
  font-size: 17px;
}

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

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  background: var(--green);
  color: #fff;
  font-weight: 800;
}

.brand-mark.large {
  width: 48px;
  height: 48px;
  font-size: 22px;
}

.mobile-nav-toggle {
  display: none;
}

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

.nav a,
.nav-group a {
  text-decoration: none;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 8px;
  min-height: 40px;
}

.nav a.active,
.nav a:hover,
.nav-group a.active,
.nav-group a:hover {
  background: var(--surface-soft);
  color: var(--text);
}

.nav-group {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.nav-group > span {
  padding: 0 12px 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.nav-group a {
  min-height: 34px;
  padding: 8px 12px;
  font-size: 14px;
}

.logout-button {
  margin-top: auto;
}

.build-version {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.sidebar-build-version {
  text-align: center;
}

.public-build-version {
  align-self: center;
  white-space: nowrap;
}

.main {
  min-width: 0;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.theme-switcher,
.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.theme-switcher button,
.language-switcher button {
  min-height: 30px;
  border: 0;
  border-radius: 6px;
  padding: 5px 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.theme-switcher button.active,
.language-switcher button.active {
  background: var(--surface-soft);
  color: var(--text);
}

.ui-controls,
.login-controls,
.public-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.login-controls {
  justify-content: flex-end;
  margin-bottom: 18px;
}

.public-head-actions {
  justify-content: flex-end;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.15;
}

h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.account-pill,
.status-pill,
.mini-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.status-pill.ok {
  border-color: rgba(22, 133, 90, .25);
  background: var(--status-ok-bg);
  color: var(--green-dark);
}

.status-pill.warn {
  border-color: rgba(166, 106, 18, .28);
  background: var(--status-warn-bg);
  color: var(--amber);
}

.status-pill.bad {
  border-color: rgba(186, 63, 63, .28);
  background: var(--status-bad-bg);
  color: var(--red);
}

.pill-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.content {
  display: grid;
  gap: 18px;
}

.admin-layout {
  display: grid;
  gap: 18px;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.admin-tabs a {
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  text-decoration: none;
}

.admin-tabs a.active,
.admin-tabs a:hover {
  background: var(--surface-soft);
  color: var(--text);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head h2 {
  margin-bottom: 0;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.pagination-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination-button {
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
}

.pagination-button:hover {
  background: var(--surface-soft);
}

.pagination-button.disabled {
  color: var(--muted);
  opacity: .55;
  cursor: default;
}

.inline-form {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.inline-form input {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 40px;
  padding: 9px 12px;
  background: var(--input-bg);
  color: var(--text);
  min-width: min(320px, 100%);
}

.grid {
  display: grid;
  gap: 14px;
}

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

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
  min-width: 0;
}

.metric {
  display: grid;
  gap: 8px;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  font-size: 26px;
  line-height: 1.1;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button,
.icon-button {
  border: 1px solid transparent;
  border-radius: 8px;
  min-height: 40px;
  padding: 9px 16px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 0 0 auto;
}

.primary-button {
  background: var(--green);
  color: #fff;
}

.primary-button:hover {
  background: var(--green-dark);
}

.secondary-button {
  background: var(--secondary-bg);
  color: var(--blue);
  border-color: var(--secondary-line);
}

.ghost-button {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}

.danger-button {
  background: var(--danger-bg);
  color: var(--red);
  border-color: #f2caca;
}

.icon-button {
  width: 38px;
  padding: 0;
  background: var(--surface-soft);
  color: var(--text);
  border-color: var(--line);
  font-size: 20px;
}

button:disabled,
a[aria-disabled="true"] {
  opacity: .55;
  cursor: not-allowed;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--muted);
  font-size: 13px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 42px;
  padding: 10px 12px;
  background: var(--input-bg);
  color: var(--text);
}

.field textarea {
  min-height: 94px;
  resize: vertical;
}

.checkbox-field {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 13px;
  gap: 8px;
  min-height: 38px;
}

.checkbox-field input {
  width: auto;
}

.actions input {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 40px;
  padding: 9px 12px;
  min-width: min(260px, 100%);
}

.table-list {
  display: grid;
  gap: 10px;
}

.device-link-list {
  display: grid;
  gap: 16px;
}

.device-link-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.device-link-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
}

.subscription-actions {
  gap: 16px;
  align-items: stretch;
}

.subscription-actions > * {
  min-width: 132px;
}

.owned-server-form {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  max-width: 920px;
}

.owned-server-form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.owned-server-auth-panel,
.form-section {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
}

.owned-server-submit {
  min-width: 180px;
  justify-self: start;
}

input[type="file"] {
  width: 100%;
  min-width: 0;
  color: var(--text);
}

input[type="file"]::file-selector-button {
  margin-right: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--surface-soft);
  color: var(--text);
}

.server-manage-row {
  grid-template-columns: minmax(0, 1.1fr) minmax(220px, .7fr) minmax(360px, auto);
}

.error-text {
  color: var(--red);
  margin-top: 6px;
  max-height: 4.8em;
  overflow: auto;
}

.faq-answer {
  white-space: pre-line;
}

.row-card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
}

.subscription-record-row {
  grid-template-columns: minmax(0, 1fr) 180px 130px;
  align-items: center;
}

.status-cell {
  display: grid;
  gap: 4px;
  justify-items: start;
}

.subscription-record-row > .mini-pill {
  justify-self: end;
}

.subscription-record-row .status-pill {
  min-width: 76px;
  justify-content: center;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  min-width: 0;
}

.row-actions > * {
  min-width: 92px;
}

.row-card p,
.card p {
  margin: 0;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.empty,
.notice,
.error-box {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 16px;
  color: var(--muted);
  background: rgba(255, 255, 255, .55);
}

.compact-notice {
  padding: 10px 12px;
  font-size: 13px;
}

html[data-theme="dark"] .empty,
html[data-theme="dark"] .notice,
html[data-theme="dark"] .error-box {
  background: rgba(21, 27, 24, .72);
}

.error-box {
  border-color: #efbbbb;
  color: var(--red);
  background: var(--danger-bg);
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.login-panel {
  width: min(940px, 100%);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items: stretch;
}

.login-copy,
.login-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.login-copy {
  display: grid;
  align-content: center;
  gap: 12px;
}

.login-copy h1 {
  font-size: 42px;
}

.login-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  max-width: 440px;
}

.login-card {
  display: grid;
  align-content: center;
  gap: 16px;
}

.login-error {
  background: #fff0f0;
  color: var(--red);
  border: 1px solid #efbbbb;
  border-radius: 8px;
  padding: 12px;
}

.login-fallback {
  display: grid;
  gap: 12px;
}

.login-widget-status {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 12px;
}

.login-code-panel {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
  padding-top: 14px;
}

.login-code-panel h3 {
  margin: 0;
}

.login-code-form {
  display: grid;
  gap: 12px;
}

.login-code-form button {
  justify-self: start;
}

.about-site {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

.about-site h3 {
  margin: 0 0 4px;
}

.about-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
  overflow: hidden;
}

.about-item summary {
  min-height: 42px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}

.about-item p {
  margin: 0;
  padding: 0 12px 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.about-item .secondary-button {
  margin: 0 12px 12px;
  width: max-content;
}

.about-link {
  width: max-content;
}

.public-screen {
  min-height: 100vh;
  padding: 28px;
  background: var(--bg);
}

.ip-hero {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 30px;
}

.ip-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.public-brand {
  width: max-content;
}

.ip-hero h1 {
  margin: 8px 0 0;
  text-align: center;
  font-size: 44px;
}

.ip-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.ip-main,
.ip-details {
  padding: 34px;
}

.ip-main {
  border-right: 1px solid var(--line);
  display: grid;
  gap: 28px;
}

.ip-value-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ip-value {
  font-size: 42px;
  line-height: 1.1;
  word-break: break-word;
}

.ip-tool-button {
  background: var(--surface-soft);
  color: var(--green);
}

.ip-state-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ip-state-grid div,
.ip-details div {
  display: grid;
  gap: 6px;
}

.ip-state-grid span,
.ip-details span {
  color: var(--muted);
}

.ip-state-grid strong,
.ip-details strong {
  overflow-wrap: anywhere;
}

.ok-dot,
.bad-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.ok-dot::before,
.bad-dot::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  flex: 0 0 auto;
}

.ok-dot::before {
  background: var(--green);
}

.bad-dot::before {
  background: var(--red);
}

.ip-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  border-radius: 8px;
  padding: 10px 14px;
  z-index: 20;
  max-width: min(520px, calc(100vw - 32px));
}

.modal {
  width: min(420px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.wide-modal {
  width: min(720px, calc(100vw - 32px));
}

.modal::backdrop {
  background: rgba(23, 32, 26, .36);
}

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

.modal-head h2 {
  margin: 0;
}

.form-modal form {
  gap: 14px;
}

.qr-image {
  width: 100%;
  max-height: 340px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.instructions {
  display: grid;
  gap: 10px;
}

.instruction-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.instruction-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  background: var(--surface-elevated);
}

.progress {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--progress-bg);
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  width: var(--value, 0%);
  background: var(--green);
}

.traffic-chart {
  display: grid;
  gap: 12px;
}

.traffic-controls {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
}

.traffic-filter-grid {
  display: grid;
  grid-template-columns: minmax(210px, auto) minmax(250px, auto) minmax(210px, auto) auto;
  gap: 12px;
  align-items: end;
  justify-content: start;
}

.traffic-controls fieldset {
  display: grid;
  gap: 6px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.traffic-controls legend,
.traffic-controls label > span,
.traffic-controls small {
  color: var(--muted);
  font-size: 13px;
}

.segmented-control {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.segmented-control label {
  position: relative;
  min-width: 0;
}

.segmented-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented-control span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  min-width: 58px;
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.segmented-control-numeric span {
  min-width: 42px;
}

.segmented-control input:checked + span {
  color: var(--text);
  background: var(--active-bg);
  box-shadow: inset 0 0 0 1px var(--line);
}

.segmented-control input:focus-visible + span {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.traffic-filter-apply {
  min-height: 40px;
}

.traffic-advanced {
  display: grid;
  gap: 8px;
  max-width: 520px;
}

.traffic-advanced summary {
  width: fit-content;
  color: var(--blue);
  cursor: pointer;
}

.traffic-advanced label {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.traffic-svg-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
}

.traffic-svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

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

.traffic-axis-label {
  fill: var(--muted);
  font-size: 12px;
}

.traffic-total-line {
  fill: none;
  stroke: var(--green);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .36;
}

.traffic-series-line {
  fill: none;
  stroke: var(--series-color, var(--blue));
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.traffic-series-line.is-hidden {
  opacity: 0;
}

.traffic-series-legend {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.traffic-series-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-elevated);
}

.traffic-series-toggle::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--series-color, var(--green));
}

.traffic-series-toggle span {
  min-width: 0;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.traffic-series-toggle strong {
  white-space: nowrap;
}

.grafana-internal-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: var(--surface-elevated);
}

.grafana-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
  flex-wrap: wrap;
}

.grafana-actions code {
  max-width: min(520px, 100%);
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  overflow-wrap: anywhere;
}

.traffic-chart-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

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

.traffic-summary-strip > div {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
}

.traffic-summary-strip span {
  color: var(--muted);
  font-size: 13px;
}

.traffic-summary-strip strong {
  font-size: 24px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.traffic-bar-row {
  display: grid;
  grid-template-columns: minmax(160px, .85fr) minmax(0, 1.6fr) minmax(118px, auto);
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
}

.traffic-bar-label {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.traffic-bar-track {
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--progress-bg);
}

.traffic-bar-fill {
  display: block;
  width: var(--value, 0%);
  min-width: 2px;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--blue));
}

.traffic-bar-value {
  display: grid;
  gap: 4px;
  justify-items: end;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    height: auto;
    max-height: 100vh;
    z-index: 30;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    gap: 10px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    min-height: 36px;
    padding: 7px 12px;
  }

  .sidebar .nav,
  .sidebar .logout-button {
    display: none;
  }

  body.mobile-nav-open .sidebar .nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
    max-height: calc(100vh - 96px);
    overflow: auto;
    padding-top: 4px;
  }

  body.mobile-nav-open .sidebar .logout-button {
    display: inline-flex;
    width: 100%;
    margin-top: 0;
  }

  .nav a {
    text-align: left;
    padding: 9px 6px;
  }

  .nav-group {
    margin-top: 8px;
    padding-top: 10px;
  }

  .main {
    padding: 18px;
  }

  .admin-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .admin-tabs a {
    flex: 0 0 auto;
  }

  .grid.two,
  .grid.three,
  .instruction-grid,
  .login-panel {
    grid-template-columns: 1fr;
  }

  .row-card {
    grid-template-columns: 1fr;
  }

  .subscription-record-row {
    grid-template-columns: 1fr;
  }

  .subscription-record-row > .mini-pill {
    justify-self: start;
  }

  .owned-server-form,
  .owned-server-form-row,
  .server-manage-row {
    grid-template-columns: 1fr;
  }

  .ip-card,
  .ip-details,
  .ip-state-grid {
    grid-template-columns: 1fr;
  }

  .ip-main {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .row-actions {
    min-width: 0;
    justify-content: stretch;
  }

  .traffic-controls,
  .traffic-filter-grid,
  .grafana-internal-card {
    grid-template-columns: 1fr;
  }

  .traffic-filter-grid {
    justify-content: stretch;
  }

  .segmented-control {
    width: 100%;
  }

  .segmented-control label {
    flex: 1;
  }

  .segmented-control span {
    width: 100%;
  }

  .traffic-filter-apply {
    width: 100%;
  }

  .grafana-actions {
    justify-content: stretch;
  }

  .grafana-actions .secondary-button {
    width: 100%;
  }

  .traffic-bar-row {
    grid-template-columns: 1fr;
  }

  .traffic-summary-strip {
    grid-template-columns: 1fr;
  }

  .traffic-bar-value {
    justify-items: start;
  }
}

@media (max-width: 520px) {
  .topbar {
    display: grid;
  }

  .topbar-actions {
    justify-content: stretch;
  }

  .account-pill {
    width: 100%;
    justify-content: center;
  }

  .theme-switcher,
  .language-switcher {
    width: 100%;
  }

  .theme-switcher button,
  .language-switcher button {
    flex: 1;
  }

  h1 {
    font-size: 25px;
  }

  .metric strong {
    font-size: 22px;
  }

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

  .actions > * {
    width: 100%;
  }

  .login-copy,
  .login-card {
    padding: 20px;
  }

  .login-code-form button {
    justify-self: stretch;
  }

  .public-screen {
    padding: 18px;
  }

  .ip-head {
    align-items: stretch;
    flex-direction: column;
  }

  .public-head-actions,
  .login-controls {
    justify-content: stretch;
  }

  .public-head-actions > .secondary-button {
    justify-content: center;
  }

  .ip-hero {
    gap: 18px;
  }

  .ip-hero h1 {
    font-size: 32px;
    text-align: left;
  }

  .ip-main,
  .ip-details {
    padding: 20px;
  }

.ip-value {
  font-size: 30px;
}
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.server-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 14px;
  display: grid;
  gap: 12px;
  min-width: 0;
  overflow: hidden;
}

.server-card.is-busy {
  position: relative;
}

.server-card.is-busy::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 8px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(47, 191, 130, .08), transparent);
  animation: busy-sweep 1.1s linear infinite;
}

@keyframes busy-sweep {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(100%);
  }
}

.server-card-head,
.protocol-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.server-card h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.meta-grid {
  display: grid;
  grid-template-columns: minmax(90px, auto) minmax(0, 1fr);
  gap: 6px 10px;
  font-size: 13px;
}

.meta-grid span {
  color: var(--muted);
}

.meta-grid strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

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

.log-box {
  max-height: 220px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-elevated);
  color: var(--text);
  font-size: 12px;
  white-space: pre-wrap;
}

.compact-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
}

.inline-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.inline-form select {
  min-width: 160px;
  flex: 1;
}