:root {
  --color-primary: #1e3a5f;
  --color-primary-light: #2d5a8a;
  --color-primary-dark: #152a47;
  --color-secondary: #4a6fa5;
  --color-secondary-light: #5a82b8;
  
  --color-bg: #f8f9fb;
  --color-bg-alt: #f0f3f7;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f7fa;
  
  --color-text: #1a2b3c;
  --color-text-muted: #5a6b7c;
  --color-text-light: #8a96a3;
  
  --color-border: #dce1e8;
  --color-border-light: #e8ecf1;
  
  --color-focus: #60a5fa;
  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-success-border: #6ee7b7;
  --color-error: #ef4444;
  --color-error-bg: #fee2e2;
  --color-error-border: #fca5a5;
  --color-info: #3b82f6;
  --color-info-bg: #dbeafe;
  --color-info-border: #93c5fd;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary-light);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: 36px 0;
  box-shadow: var(--shadow-md);
}

.site-header a {
  color: #ffffff;
  border-bottom: none;
}

.site-header a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.header-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.header-link:hover {
  color: inherit;
}

.header-link .logo-main:hover {
  transform: scale(1.02);
}

.header-content {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo-block {
  flex: 0 0 auto;
}

.logo-main {
  height: 68px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: transform var(--transition-normal);
}

.logo-main:hover {
  transform: scale(1.02);
}

.site-header h1 {
  margin: 0 0 8px 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  font-size: 16px;
  opacity: 0.85;
  font-weight: 400;
}

.panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 28px 0;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.panel h2,
.panel h3 {
  margin-top: 0;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.panel h2 {
  border-bottom: 2px solid var(--color-border-light);
  padding-bottom: 14px;
  margin-bottom: 20px;
  font-size: 22px;
  font-weight: 600;
}

.panel h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.sub-panel {
  margin: 24px 0;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 500;
  color: var(--color-text);
  font-size: 14px;
}

label:has(input[type="checkbox"]) {
  flex-direction: row;
  align-items: center;
  font-weight: normal;
  cursor: pointer;
  padding: 4px 0;
}

input,
select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 15px;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder {
  color: var(--color-text-light);
}

input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
  border-radius: 4px;
}

textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
  resize: vertical;
  width: 100%;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-secondary);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-focus);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.alert {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 15px;
}

.alert-success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
}

.alert-info {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
}

.alert ul {
  margin: 0;
  padding-left: 18px;
}

.note {
  color: var(--color-text-muted);
  font-size: 14px;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

.table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--color-surface-alt);
}

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

.table tr.voided {
  opacity: 0.5;
  text-decoration: line-through;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.table td .actions,
.table td.actions {
  margin-top: 0;
}

.btn {
  background: var(--color-primary);
  color: #ffffff;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.btn:hover {
  background: var(--color-primary-light);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-bottom: none;
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.4);
}

.btn-secondary {
  background: var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
}

button.btn {
  margin-top: 20px;
}

.action-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.action-buttons form {
  margin: 0;
  display: inline-flex;
}

.action-buttons button.btn,
.action-buttons .btn {
  margin-top: 0;
}

.table td button.btn,
.table td .btn {
  margin-top: 0;
}

.btn-small {
  padding: 7px 14px;
  font-size: 13px;
}

.table td .btn,
.table td button.btn {
  min-width: 75px;
  text-align: center;
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.table-actions form {
  display: inline-flex;
  margin: 0;
}

.table-actions button.btn {
  margin-top: 0;
}

.site-footer {
  padding: 32px 0 48px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.footer-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-small {
  height: 38px;
  width: auto;
  display: block;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.logo-small:hover {
  opacity: 1;
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .site-header {
    padding: 28px 0;
  }

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

  .logo-main {
    height: 54px;
  }

  .site-header h1 {
    font-size: 24px;
  }

  .panel {
    padding: 20px;
    margin: 20px 0;
    border-radius: var(--radius-md);
  }

  .panel h2 {
    font-size: 20px;
  }

  .grid {
    gap: 16px;
  }

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

  .table {
    font-size: 13px;
  }

  .table th,
  .table td {
    padding: 10px 8px;
  }

  .btn {
    padding: 10px 16px;
  }
}

.passkey-alternative {
  margin-top: 1.5em;
  text-align: center;
}

.passkey-divider {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0 0 1em 0;
}

.passkey-divider::before,
.passkey-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.passkey-divider span {
  padding: 0 1em;
}

.passkey-info {
  margin-top: 1em;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
}

.passkey-info summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 500;
  color: var(--color-secondary);
  font-size: 14px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.passkey-info summary::-webkit-details-marker {
  display: none;
}

.passkey-info summary::before {
  content: "▶";
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.passkey-info[open] summary::before {
  transform: rotate(90deg);
}

.passkey-info summary:hover {
  color: var(--color-primary);
}

.passkey-info-content {
  padding: 0 16px 16px 16px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.passkey-info-content p {
  margin: 0 0 0.75em 0;
}

.passkey-info-content ul {
  margin: 0 0 0.75em 0;
  padding-left: 1.5em;
}

.passkey-info-content li {
  margin-bottom: 0.25em;
}

.passkey-info-content p:last-child,
.passkey-info-content ul:last-child {
  margin-bottom: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}