html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

:root {
  color-scheme: dark;
  --page-bg: #111315;
  --ink: #f3f7fb;
  --muted: #aab5c2;
  --line: #2c333b;
  --nav: #0d1117;
  --panel: #181c22;
  --panel-soft: #20252d;
  --accent: #38bdf8;
  --accent-strong: #5eead4;
  --success: #7ddc96;
  --danger: #fb7185;
  --warning: #fbbf24;
  --row-hover: rgba(255, 255, 255, 0.025);
  --input-bg: #20252d;
  --input-focus: #242a33;
  --input-border: #3a434f;
  --primary-ink: #061018;
}

:root[data-theme="light"] {
  color-scheme: light;
  --page-bg: #f4f7fb;
  --ink: #16202b;
  --muted: #5f6f7e;
  --line: #d5dde7;
  --nav: #101820;
  --panel: #ffffff;
  --panel-soft: #f1f5f9;
  --accent: #0ea5e9;
  --accent-strong: #0f766e;
  --success: #177a3f;
  --danger: #b4233a;
  --warning: #a16207;
  --row-hover: rgba(14, 165, 233, 0.055);
  --input-bg: #ffffff;
  --input-focus: #ffffff;
  --input-border: #cbd5e1;
  --primary-ink: #ffffff;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-select:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.22rem rgba(31, 122, 140, 0.32);
}

html {
  position: relative;
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin-bottom: 60px;
  background: var(--page-bg);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, sans-serif;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.form-label,
.form-check-label {
  color: var(--ink);
}

.form-control,
.form-select {
  color: var(--ink);
  background-color: var(--input-bg);
  border-color: var(--input-border);
}

.form-control:focus,
.form-select:focus {
  color: var(--ink);
  background-color: var(--input-focus);
  border-color: var(--accent);
}

.form-control::placeholder {
  color: #7f8b98;
  opacity: 1;
}

.form-check-input {
  background-color: var(--panel-soft);
  border-color: #4b5563;
}

.btn-outline-secondary {
  color: #dbe5ee;
  border-color: #5a6572;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  color: #ffffff;
  background: #2b333d;
  border-color: #8b98a8;
}

.btn-primary {
  color: var(--primary-ink);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 650;
}

.btn-primary:hover,
.btn-primary:focus {
  color: var(--primary-ink);
  background: #67d4ff;
  border-color: #67d4ff;
}

:root[data-theme="light"] .btn-primary:hover,
:root[data-theme="light"] .btn-primary:focus {
  color: #ffffff;
  background: #0284c7;
  border-color: #0284c7;
}

.app-nav {
  background: var(--nav);
  border-bottom: 1px solid var(--line);
}

.navbar-brand {
  font-weight: 700;
  color: #ffffff;
}

.navbar-dark .navbar-nav .nav-link {
  color: #c7d1dc;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: #ffffff;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 18px;
  color: #c7d1dc;
  font-size: 0.9rem;
  user-select: none;
}

.theme-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-switch__track {
  position: relative;
  width: 46px;
  height: 24px;
  background: #26313d;
  border: 1px solid #4b5563;
  border-radius: 999px;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.theme-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: #f8fafc;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.32);
  transition: transform 0.18s ease, background 0.18s ease;
}

.theme-switch input:checked + .theme-switch__track {
  background: rgba(56, 189, 248, 0.22);
  border-color: rgba(56, 189, 248, 0.58);
}

.theme-switch input:checked + .theme-switch__track .theme-switch__thumb {
  transform: translateX(22px);
  background: #7dd3fc;
}

.app-shell {
  padding-top: 24px;
  padding-bottom: 36px;
}

.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.page-heading h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 750;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.page-heading__meta {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
}

.page-heading__meta strong {
  color: var(--success);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.metric-card {
  display: grid;
  min-height: 112px;
  padding: 16px;
  grid-template-rows: auto 1fr;
}

.metric-card__top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 11px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.metric-icon {
  position: relative;
  display: inline-flex;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.42);
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.13);
  line-height: 0;
}

.metric-icon svg {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  transform: translate(-50%, -46%);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.05;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metric-icon--active {
  color: var(--success);
  background: rgba(125, 220, 150, 0.18);
  border-color: rgba(125, 220, 150, 0.42);
  box-shadow: 0 0 18px rgba(125, 220, 150, 0.13);
}

.metric-icon--blocked {
  color: var(--warning);
  background: rgba(251, 191, 36, 0.18);
  border-color: rgba(251, 191, 36, 0.42);
  box-shadow: 0 0 18px rgba(251, 191, 36, 0.13);
}

.metric-icon--devices {
  color: var(--accent);
}

.metric-icon--slots {
  color: var(--accent-strong);
  background: rgba(94, 234, 212, 0.18);
  border-color: rgba(94, 234, 212, 0.42);
  box-shadow: 0 0 18px rgba(94, 234, 212, 0.13);
}

.metric-card strong {
  align-self: end;
  justify-self: end;
  display: block;
  margin-top: 14px;
  font-size: 2rem;
  line-height: 1;
  color: var(--ink);
}

.panel {
  margin-bottom: 18px;
  overflow: hidden;
}

.panel--muted {
  background: #15191f;
}

:root[data-theme="light"] .panel--muted {
  background: #f8fafc;
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.panel__header h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 750;
  color: var(--ink);
}

.panel__header p {
  margin: 4px 0 0;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  scrollbar-color: #4b5563 transparent;
}

.table-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.table-search {
  max-width: 420px;
}

.table-tools__count {
  min-width: 76px;
  color: var(--muted);
  font-size: 0.88rem;
}

.data-table {
  width: 100%;
  min-width: 1180px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  white-space: nowrap;
}

.data-table td {
  color: var(--ink);
}

.data-table th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover td {
  background: var(--row-hover);
}

.empty-search-row td {
  padding: 24px 16px;
  color: var(--muted);
  text-align: center;
}

.cell-actions {
  text-align: right;
}

.license-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.table-note {
  max-width: 280px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.license-key {
  display: grid;
  grid-template-columns: minmax(138px, 1fr) 74px;
  align-items: center;
  gap: 8px;
  width: 230px;
}

.license-key code {
  display: block;
  color: #f472b6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-button {
  width: 74px;
  justify-self: end;
}

.copy-button--done {
  color: #0f5132;
  border-color: #9ad5b0;
  background: #d8f3df;
}

.copy-button--error {
  color: #842029;
  border-color: #efb6bd;
  background: #f8d7da;
}

.status {
  display: inline-flex;
  align-items: center;
  min-width: 82px;
  justify-content: center;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 750;
}

.status--active {
  color: #0f5132;
  background: #c9f7d6;
}

.status--suspended,
.status--expired {
  color: #7a4a08;
  background: #fff0bd;
}

.status--blocked {
  color: #842029;
  background: #ffd2da;
}

.endpoint-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 18px 20px 8px;
}

.endpoint-grid code {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--ink);
}

.small-note {
  padding: 0 20px 18px;
  margin: 0;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 18px 20px;
}

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

.form-grid__wide {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 0 20px 18px;
}

.validation-summary,
.validation-message {
  color: #fda4af;
}

.validation-summary {
  padding: 14px 20px 0;
}

.validation-message {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
}

.section-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 18px;
}

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

textarea.form-control {
  min-height: 112px;
}

.xeno-modal {
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.38);
}

.xeno-modal .modal-header,
.xeno-modal .modal-footer {
  border-color: var(--line);
}

.xeno-modal .modal-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 750;
}

.xeno-modal .modal-header p {
  margin: 4px 0 0;
  color: var(--muted);
}

.xeno-modal .btn-close {
  filter: invert(1) grayscale(100%) brightness(180%);
}

:root[data-theme="light"] .xeno-modal .btn-close {
  filter: none;
}

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

.login-shell {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
}

.login-panel {
  width: min(420px, 100%);
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.login-panel h1 {
  margin: 0 0 22px;
  font-size: 1.55rem;
  font-weight: 750;
}

.footer {
  color: var(--muted) !important;
}

@media (max-width: 900px) {
  .metric-grid,
  .endpoint-grid,
  .form-grid,
  .form-grid--modal,
  .form-grid--compact,
  .section-columns {
    grid-template-columns: 1fr;
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .table-tools {
    align-items: stretch;
    flex-direction: column;
  }

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

  .theme-switch {
    margin: 12px 0;
  }

  .table-search {
    max-width: none;
  }
}