:root {
  --bg: #0f1419;
  --bg-elevated: #1a222c;
  --bg-soft: #243040;
  --text: #e8eef4;
  --text-muted: #9aabbc;
  --accent: #3db8a8;
  --accent-hover: #4fd0bf;
  --danger: #e05a5a;
  --danger-hover: #f07070;
  --border: #2e3d4d;
  --focus: #7ec8ff;
  --ok: #5cb87a;
  --font: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Cascadia Code", "Consolas", "Liberation Mono", monospace;
  --radius: 6px;
  --space: 1rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, #1a3a42 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, #1e2a44 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.inline-form {
  display: inline;
  margin: 0;
}

.link-button {
  background: none;
  border: none;
  color: var(--text-muted);
  font: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.link-button:hover {
  color: var(--text);
}

.main {
  padding: 1.75rem 0 3rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 1rem 0 2rem;
}

h1 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  margin: 0 0 1rem;
  font-weight: 650;
}

h2 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.75rem;
}

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

.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.flash-ok {
  background: rgba(92, 184, 122, 0.12);
  border-color: var(--ok);
}

.flash-error {
  background: rgba(224, 90, 90, 0.12);
  border-color: var(--danger);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
  max-width: 640px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-row-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
}

.hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.field-error {
  color: var(--danger);
  font-size: 0.85rem;
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="search"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 4rem;
  resize: vertical;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #06221e;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #06221e;
}

.btn-secondary {
  background: var(--bg-soft);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: var(--danger-hover);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.data th,
table.data td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.data th {
  background: var(--bg-soft);
  font-weight: 650;
  white-space: nowrap;
}

table.data tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 650;
  background: var(--bg-soft);
  color: var(--text-muted);
}

.badge-ok {
  background: rgba(92, 184, 122, 0.2);
  color: #9de0b2;
}

.badge-off {
  background: rgba(224, 90, 90, 0.2);
  color: #f0a0a0;
}

.mono {
  font-family: var(--mono);
  font-size: 0.85rem;
  word-break: break-all;
}

.copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.copy-row input {
  flex: 1 1 12rem;
  min-width: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
}

.empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(400px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
}

.login-card h1 {
  margin-bottom: 0.25rem;
}

.public-body,
.mask-body {
  background: var(--bg);
}

.unavailable {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem;
  max-width: 36rem;
  margin: 0 auto;
}

.brand-mark {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
}

.mask-body {
  margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.mask-fallback {
  flex: 0 0 auto;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.mask-fallback p {
  margin: 0;
}

.mask-frame {
  flex: 1 1 auto;
  width: 100%;
  border: 0;
  background: #fff;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-row input {
  width: auto;
}

@media (max-width: 640px) {
  .table-cards thead {
    display: none;
  }

  .table-cards tr {
    display: block;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
  }

  .table-cards td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border: none;
    padding: 0.25rem 0;
  }

  .table-cards td::before {
    content: attr(data-label);
    font-weight: 650;
    color: var(--text-muted);
    flex: 0 0 40%;
  }
}