:root {
  --bg-1: #f8fbff;
  --bg-2: #eff7f2;
  --ink: #13222e;
  --ink-muted: #4d6475;
  --primary: #0b7f6e;
  --danger: #a8352a;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-border: rgba(19, 34, 46, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  background: linear-gradient(140deg, var(--bg-1), var(--bg-2));
}

.bg-shape {
  position: fixed;
  inset: auto -10vw -15vh auto;
  width: 45vw;
  height: 45vw;
  border-radius: 100%;
  background: radial-gradient(circle at 30% 30%, #9fe8da, rgba(159, 232, 218, 0));
  pointer-events: none;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8em;
  align-items: center;
  padding: 1.2em 1.4em;
  border-bottom: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
}

.brand {
  font-size: 1.2em;
  font-weight: 700;
}

.brand a {
  color: inherit;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 0.8em;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--ink);
  padding: 0.35em 0.6em;
  border: 1px solid transparent;
  border-radius: 0.4em;
}

nav a:hover {
  border-color: var(--surface-border);
  background: rgba(255, 255, 255, 0.65);
}

.container {
  width: min(980px, calc(100% - 2em));
  margin: 1.5em auto 2em;
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 0.9em;
  padding: 1.2em;
  box-shadow: 0 10px 24px rgba(19, 34, 46, 0.08);
}

.panel.wide {
  overflow-x: auto;
}

h1 {
  margin-top: 0;
  font-size: 1.45em;
}

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

.signed-in {
  color: var(--ink-muted);
  margin: 0 0 0.8em;
  font-size: 0.92em;
}

.form-grid {
  display: grid;
  gap: 0.9em;
}

label {
  display: grid;
  gap: 0.35em;
}

input,
button {
  font: inherit;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  border: 1px solid var(--surface-border);
  border-radius: 0.5em;
  padding: 0.55em 0.65em;
  background: #fff;
}

select {
  border: 1px solid var(--surface-border);
  border-radius: 0.5em;
  padding: 0.55em 0.65em;
  background: #fff;
}

button {
  border: 0;
  border-radius: 0.5em;
  background: var(--primary);
  color: #fff;
  padding: 0.58em 0.75em;
  cursor: pointer;
}

button.danger {
  background: var(--danger);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;
}

th,
td {
  border-bottom: 1px solid var(--surface-border);
  text-align: left;
  padding: 0.6em;
  font-size: 0.95em;
}

.flash {
  border-radius: 0.55em;
  padding: 0.7em 0.8em;
  margin-bottom: 0.95em;
}

.flash.error {
  background: #fde9e6;
  color: #6f1c12;
}

.flash.success {
  background: #e8f8ef;
  color: #0f5a34;
}

.warning {
  color: #7d3f09;
}

.danger-link {
  color: var(--danger);
}

.inline-edit-form,
.inline-delete-form {
  display: inline-block;
  margin: 0;
}

.forwards-table {
  table-layout: fixed;
}

.forwards-table .forward-source-col {
  width: 270px;
}

.forwards-table .forward-actions-col {
  width: 160px;
}

.forward-source-cell {
  width: 270px;
}

.forward-destination-cell {
  width: 100%;
}

.forward-source-input {
  width: 240px;
}

.forward-source-input[readonly] {
  background: #f2f4f6;
  color: #5f6c79;
  border-color: #d5dce3;
}

.forward-destination-input {
  display: block;
  width: 100%;
  min-width: 0;
}

.forward-actions-cell {
  white-space: nowrap;
}

.inline-delete-form {
  margin-left: 0.5em;
}

.domain-actions {
  display: inline-flex;
  gap: 0.5em;
  align-items: center;
}

.domain-actions form {
  margin: 0;
}

.button-link {
  display: inline-block;
  border-radius: 0.5em;
  background: #2b6d9a;
  color: #fff;
  text-decoration: none;
  padding: 0.58em 0.75em;
}

.button-link:hover {
  opacity: 0.92;
}

.diagnostics-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin-bottom: 0.7em;
}

.status-badge {
  display: inline-block;
  font-size: 0.85em;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.2em 0.65em;
  border: 1px solid transparent;
}

.status-pass {
  background: #e8f8ef;
  color: #0f5a34;
  border-color: #9fd8b4;
}

.status-fail {
  background: #fde9e6;
  color: #6f1c12;
  border-color: #e1aea7;
}

.status-warn {
  background: #fff6e9;
  color: #7d4d07;
  border-color: #e8cb95;
}

.status-info {
  background: #eef3f7;
  color: #334a5d;
  border-color: #c9d6e1;
}

.diagnostics-table th,
.diagnostics-table td {
  vertical-align: top;
}

.dns-howto {
  margin-top: 1.2em;
  padding-top: 0.4em;
}

.dns-howto h2 {
  margin-bottom: 0.45em;
  font-size: 1.2em;
}

.dns-howto h3 {
  margin-top: 0.9em;
  margin-bottom: 0.4em;
  font-size: 1.02em;
}

.dns-howto ol {
  margin: 0.2em 0 0.4em 1.35em;
  padding: 0;
}

.dns-howto code {
  background: rgba(19, 34, 46, 0.06);
  border-radius: 0.3em;
  padding: 0.05em 0.3em;
}

@media (max-width: 768px) {
  .inline-edit-form .forward-source-input,
  .inline-edit-form .forward-destination-input {
    min-width: 220px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .container {
    width: calc(100% - 1.1em);
    margin-top: 1.05em;
  }

  .panel {
    padding: 0.95em;
  }
}