:root {
  --bg: #f2efe8;
  --ink: #1f1c17;
  --muted: #5f5546;
  --brand: #a20e0e;
  --brand-2: #d5462f;
  --panel: rgba(255, 255, 255, 0.82);
  --line: rgba(89, 78, 61, 0.24);
  --ok: #1a8f4d;
  --warn: #ba6d00;
  --off: #8c2020;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 15% 5%, #fff 0%, transparent 48%),
              radial-gradient(circle at 90% 0%, #f7d9c8 0%, transparent 42%),
              linear-gradient(165deg, #ece6da 0%, #ddd4c3 100%);
}

.bg-layer {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(transparent 97%, rgba(162, 14, 14, 0.045) 100%);
  background-size: 100% 24px;
  pointer-events: none;
}

.layout {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 16px 80px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
  box-shadow: 0 16px 34px rgba(66, 50, 31, 0.12);
}

.admin-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h1,
h2,
h3 {
  margin: 0 0 10px;
  line-height: 1.2;
  color: #311a14;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 21px;
}

h3 {
  font-size: 17px;
}

p {
  margin: 8px 0;
}

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

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

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

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

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

label {
  display: grid;
  gap: 6px;
  color: #382f23;
  font-size: 14px;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  border: 1px solid rgba(106, 93, 74, 0.33);
  border-radius: 11px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.84);
  color: #1c1812;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(213, 70, 47, 0.28);
  border-color: var(--brand-2);
}

button {
  border: none;
  border-radius: 11px;
  padding: 10px 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(162, 14, 14, 0.22);
}

button.ghost {
  background: #746253;
}

button.danger {
  background: #8e1f1f;
}

.checkbox-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px dashed rgba(98, 80, 58, 0.4);
  border-radius: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.6);
}

.checkbox-label input {
  width: 18px;
  height: 18px;
}

.effective-rules {
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed rgba(103, 86, 63, 0.35);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.58);
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  border-bottom: 1px solid rgba(94, 76, 54, 0.22);
  text-align: left;
  padding: 10px 8px;
  vertical-align: top;
  font-size: 14px;
}

th {
  color: #4a3e30;
  background: rgba(210, 191, 164, 0.23);
}

.actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.actions form {
  margin: 0;
}

.copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.toolbar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.toolbar-row input {
  min-width: 280px;
}

.table-link-col {
  display: grid;
  gap: 6px;
}

code {
  display: inline-block;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 12px;
  color: #3b2e21;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(104, 87, 65, 0.28);
  word-break: break-all;
}

.copy-btn {
  width: fit-content;
  font-size: 13px;
  padding: 7px 10px;
}

.inline-link {
  color: #8e2412;
}

.table-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  color: #fff;
}

.badge.ok {
  background: var(--ok);
}

.badge.warn {
  background: var(--warn);
}

.badge.off {
  background: var(--off);
}

.flash-wrap {
  margin-bottom: 12px;
  display: grid;
  gap: 8px;
}

.flash {
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid;
  font-size: 14px;
}

.flash-success {
  color: #0f5f35;
  background: #e6f8ee;
  border-color: #9edfb8;
}

.flash-error {
  color: #8e2626;
  background: #fde9e8;
  border-color: #f0afab;
}

.auth-panel {
  max-width: 460px;
  margin: 60px auto;
}

.customer-panel {
  max-width: 980px;
  margin: 10px auto;
}

.inline-form {
  margin: 14px 0 18px;
}

.result-count {
  margin: 12px 0;
  color: #533d2e;
}

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

.mail-card {
  border-radius: 12px;
  border: 1px solid rgba(98, 77, 56, 0.25);
  background: rgba(255, 255, 255, 0.74);
  padding: 14px;
}

.mail-card h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.meta {
  color: #5f5145;
  font-size: 13px;
}

.preview {
  margin: 10px 0;
  color: #2b241c;
}

.code-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}

.code-chip {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  letter-spacing: 1px;
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 8px;
  background: #fff7da;
  border: 1px solid #ebcb72;
}

.button-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 9px;
  padding: 8px 12px;
  color: #fff;
  background: linear-gradient(135deg, #a42b15, #cc5b31);
  font-size: 13px;
}

.household-status {
  margin: 6px 0 10px;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 9px;
}

.household-status.ok {
  color: #0f5f35;
  background: #e6f8ee;
  border: 1px solid #9edfb8;
}

.household-status.fail {
  color: #8b2d1b;
  background: #fceee9;
  border: 1px solid #e9b5a6;
}

.mail-html {
  margin-top: 10px;
  border: 1px solid #d5c2ab;
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}

.mail-html iframe {
  width: 100%;
  min-height: 260px;
  border: 0;
  background: #fff;
}

.lookup-form {
  grid-template-columns: 1fr auto;
  align-items: end;
}

details {
  margin-top: 10px;
}

.error-box {
  border-radius: 10px;
  border: 1px solid #f0a8a8;
  background: #fdeeee;
  color: #8b1e1e;
  padding: 12px;
}

@media (max-width: 900px) {
  .form-3,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  h1 {
    font-size: 24px;
  }

  .lookup-form {
    grid-template-columns: 1fr;
  }

  .toolbar-row input {
    min-width: 0;
    width: 100%;
  }
}