:root {
  --page: #f5f6f8;
  --surface: #ffffff;
  --surface-subtle: #f8fafc;
  --text: #1f2937;
  --muted: #667085;
  --border: #d8dee8;
  --blue: #1d4ed8;
  --blue-dark: #1e40af;
  --danger: #b42318;
  --radius: 18px;
  --radius-small: 10px;
  --shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--page);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--page);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.64;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
code:focus-visible {
  outline: 3px solid rgba(29, 78, 216, 0.28);
  outline-offset: 2px;
}

.public-page {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 24px 18px;
}

.result-card {
  width: min(100%, 560px);
  padding: clamp(30px, 8vw, 48px);
  background: var(--surface);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section-title {
  margin: 0;
  color: var(--text);
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0.01em;
  line-height: 1.4;
  text-align: center;
}

.company-block {
  display: grid;
  min-height: 126px;
  margin: 26px 0 20px;
  place-items: center;
  text-align: center;
}

.company-block h1 {
  max-width: 100%;
  margin: 0;
  color: #111827;
  font-size: clamp(25px, 6.6vw, 35px);
  font-weight: 720;
  letter-spacing: -0.03em;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.code-block {
  display: grid;
  gap: 9px;
}

.field-label,
.form-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 560;
  line-height: 1.45;
}

.credit-code {
  display: block;
  width: 100%;
  padding: 16px 14px;
  overflow-wrap: anywhere;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: #111827;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: clamp(16px, 4.7vw, 20px);
  letter-spacing: 0.06em;
  line-height: 1.45;
  text-align: center;
  user-select: all;
}

.public-actions,
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.public-actions .button,
.form-actions .button {
  flex: 1 1 0;
}

.button {
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
  text-align: center;
}

.button-primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
}

.button-primary:hover:not(:disabled) {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.button-secondary {
  background: #ffffff;
  border-color: var(--blue);
  color: var(--blue);
}

.button-secondary:hover:not(:disabled) {
  background: #eff6ff;
}

.button-compact {
  min-height: 40px;
  padding-inline: 14px;
}

.status-message {
  min-height: 20px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

.status-message.is-error {
  color: var(--danger);
}

.privacy-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  text-align: center;
}

.noscript-message {
  position: fixed;
  inset: auto 16px 16px;
  margin: 0;
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-align: center;
}

.admin-body {
  min-height: 100svh;
}

.admin-page {
  width: min(100%, 1060px);
  margin: 0 auto;
  padding: 32px 18px 48px;
}

.admin-login-card {
  width: min(100%, 420px);
  margin: min(16vh, 120px) auto 0;
  padding: 32px;
  background: var(--surface);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-description {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.stack-form {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.stack-form input:not([type="checkbox"]),
.stack-form textarea {
  width: 100%;
  padding: 11px 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
}

.stack-form textarea {
  min-height: 86px;
  resize: vertical;
}

.stack-form .button {
  margin-top: 8px;
}

.admin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.admin-header .section-title {
  text-align: left;
}

.admin-header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 18px;
  align-items: start;
}

.admin-panel {
  padding: 24px;
  background: var(--surface);
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 9px 26px rgba(15, 23, 42, 0.05);
}

.panel-title {
  margin: 0;
  color: var(--text);
  font-size: 17px;
  font-weight: 680;
  line-height: 1.4;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 4px;
  color: var(--text);
  font-size: 14px;
}

.toggle-row input {
  inline-size: 17px;
  block-size: 17px;
  accent-color: var(--blue);
}

.group-panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.groups-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.group-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  padding: 15px;
  background: var(--surface-subtle);
  border: 1px solid #e5e7eb;
  border-radius: 11px;
}

.group-name {
  margin: 0;
  color: #111827;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.group-code {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  overflow-wrap: anywhere;
}

.group-actions {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  justify-content: flex-end;
  gap: 7px;
}

.text-button {
  min-height: 32px;
  padding: 5px 9px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: #344054;
  font-size: 13px;
  font-weight: 600;
}

.text-button:hover:not(:disabled) {
  border-color: #98a2b3;
  background: #f9fafb;
}

.text-button.is-danger {
  border-color: #fecdca;
  color: var(--danger);
}

.group-state {
  display: inline-block;
  margin-top: 7px;
  color: #027a48;
  font-size: 12px;
  font-weight: 600;
}

.group-state.is-disabled {
  color: #667085;
}

.empty-list {
  margin: 0;
  padding: 22px 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 720px) {
  .admin-page {
    padding-top: 22px;
  }

  .admin-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  .result-card {
    padding: 28px 20px;
  }

  .company-block {
    min-height: 112px;
    margin-top: 22px;
  }

  .public-actions {
    gap: 9px;
  }

  .button {
    padding-inline: 10px;
  }

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

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

  .group-actions {
    justify-content: flex-start;
  }
}