* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: #f8fafc;
  color: #334155;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  flex: 1;
  width: 100%;
}

.footer {
  text-align: center;
  padding: 2rem;
  color: #64748b;
  font-size: 0.875rem;
}

.header {
  background: #1f2937;
  color: #fff;
  padding: 1rem 2rem;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: #fff;
}

.nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav a:hover {
  color: #fff;
}

.nav-user {
  color: rgba(255, 255, 255, 0.8);
}

.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  margin-bottom: 1.5rem;
  color: #0f172a;
}

.card-success {
  border-left: 4px solid #10b981;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: #4f46e5;
  color: #fff;
}

.btn-primary:hover {
  background: #4338ca;
}

.btn-secondary {
  background: #e2e8f0;
  color: #334155;
}

.btn-secondary:hover {
  background: #cbd5e1;
}

.btn-danger {
  background: #dc2626;
  color: #fff;
}

.btn-danger:hover {
  background: #b91c1c;
}

.btn-warning {
  background: #d97706;
  color: #fff;
}

.btn-warning:hover {
  background: #b45309;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-flex {
  flex: 1;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #64748b;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 1rem;
  color: #334155;
  background-color: #ffffff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  align-items: end;
}

.form-grid .form-group {
  margin-bottom: 0;
}

.form-group-full {
  grid-column: 1/-1;
}

.form-inline {
  display: inline;
}

.card-form fieldset {
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  background-color: #f8fafc;
}

.card-form fieldset:last-of-type {
  margin-bottom: 0;
}

.card-form legend {
  font-weight: 600;
  color: #0f172a;
  font-size: 1rem;
  padding: 0 0.5rem;
  width: 100%;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.alert-error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.alert-success {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

th {
  background: #f9fafb;
  font-weight: 600;
  color: #0f172a;
}

tr:hover {
  background: #f9fafb;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.actions-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  white-space: nowrap;
}

.actions-cell form {
  margin: 0;
}

.table-empty {
  text-align: center;
  color: #64748b;
  padding: 2rem;
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
}

.status-active {
  background: #dcfce7;
  color: #15803d;
}

.status-inactive {
  background: #f3f4f6;
  color: #6b7280;
}

.role-admin {
  background: #dbeafe;
  color: #1d4ed8;
}

.role-user {
  background: #dcfce7;
  color: #15803d;
}

.log-status-ok {
  background: #dcfce7;
  color: #15803d;
}

.log-status-warn {
  background: #fef3c7;
  color: #b45309;
}

.log-status-error {
  background: #fee2e2;
  color: #b91c1c;
}

.kind-formula {
  background: #dbeafe;
  color: #1d4ed8;
}

.kind-hardcode {
  background: #fef3c7;
  color: #b45309;
}

.kind-link {
  background: #dcfce7;
  color: #15803d;
}

.kind-check {
  background: #fee2e2;
  color: #b91c1c;
}

.kind-info {
  background: #f3f4f6;
  color: #6b7280;
}

.home-hero {
  margin-bottom: 2rem;
}

.home-hero h1 {
  font-size: 1.75rem;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.home-block {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: #334155;
  transition: border-color 0.15s ease;
}

.home-block:hover {
  border-color: #4f46e5;
}

.home-block-icon {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  background: #4f46e5;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-block-icon svg {
  width: 26px;
  height: 26px;
}

.home-block-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
}

.home-block-desc {
  color: #64748b;
  line-height: 1.5;
  font-size: 0.95rem;
}

.kb-container {
  max-width: 1400px;
  margin-top: 1.5rem;
}

.kb-layout {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.kb-sidebar {
  width: 300px;
  flex-shrink: 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 1.5rem;
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

.kb-sidebar-title {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #0f172a;
}

.kb-doc-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: #334155;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.kb-doc-link:hover {
  background: #f1f5f9;
}

.kb-doc-link.active {
  background: #4f46e5;
  color: #fff;
}

.kb-sections {
  margin: 0.25rem 0 0.5rem 0.75rem;
  padding-left: 0.75rem;
  border-left: 2px solid #e2e8f0;
}

.kb-section-link {
  display: block;
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
  color: #64748b;
  text-decoration: none;
  border-radius: 4px;
}

.kb-section-link:hover {
  background: #f1f5f9;
  color: #334155;
}

.kb-section-link.active {
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.1);
  font-weight: 600;
}

.kb-content {
  flex: 1;
  min-width: 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 2.5rem 3rem;
}

.prose {
  font-size: 1rem;
  line-height: 1.85;
  color: #334155;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.prose h1 {
  font-size: 2rem;
  color: #0f172a;
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid #e2e8f0;
  scroll-margin-top: 1rem;
}

.prose h2 {
  font-size: 1.5rem;
  color: #0f172a;
  margin: 2.5rem 0 1rem;
  scroll-margin-top: 1rem;
}

.prose h3 {
  font-size: 1.2rem;
  color: #334155;
  margin: 1.75rem 0 0.75rem;
  scroll-margin-top: 1rem;
}

.prose p,
.prose ul,
.prose ol,
.prose pre,
.prose blockquote {
  margin-bottom: 1.25rem;
}

.prose ul,
.prose ol {
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose a {
  color: #4f46e5;
  text-decoration: none;
  font-weight: 500;
}

.prose a:hover {
  text-decoration: underline;
}

.prose code {
  background: #f3f4f6;
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875em;
  color: #334155;
}

.prose pre {
  background: #1f2937;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.prose pre code {
  background: none;
  padding: 0;
  color: #e5e7eb;
  font-size: 0.875rem;
  line-height: 1.6;
}

.prose blockquote {
  border-left: 4px solid #4f46e5;
  background: #f9fafb;
  padding: 0.75rem 1.25rem;
  color: #334155;
  border-radius: 0 6px 6px 0;
}

.prose table {
  width: 100%;
  margin-bottom: 1rem;
  display: block;
  overflow-x: auto;
}

.prose hr {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 2rem 0;
}

.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 200px);
}

.login-card {
  width: 100%;
  max-width: 420px;
}

.login-title {
  text-align: center;
  margin-bottom: 2rem;
  color: #0f172a;
}

.error-code {
  font-size: 4rem;
  color: #4f46e5;
  margin-bottom: 1rem;
}

.error-text {
  margin: 1rem 0 2rem;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  background: #ffffff;
  border-radius: 6px;
  padding: 2rem;
  width: 90%;
  max-width: 400px;
}

.modal-title {
  margin-bottom: 1.5rem;
  color: #0f172a;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 0;
  color: #94a3b8;
}

.empty-state svg {
  margin-bottom: 1rem;
}

.empty-state p {
  font-size: 0.875rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card-item {
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 1.25rem;
  background-color: #ffffff;
}

.card-item-title {
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.formula-block-title {
  font-size: 1.25rem;
  color: #0f172a;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e2e8f0;
}

.formula-card {
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  background: #ffffff;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.formula-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.formula-name {
  font-weight: 600;
  color: #0f172a;
  font-size: 1.05rem;
}

.formula-section {
  color: #64748b;
  font-size: 0.875rem;
}

.formula-content {
  white-space: pre-wrap;
  word-break: break-word;
  background: #f9fafb;
  border-radius: 4px;
  padding: 1rem 1.25rem;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #334155;
  margin-bottom: 0;
}

.formula-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
}

.formula-edit-form {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.calc-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid #e2e8f0;
}

.calc-tab {
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  color: #64748b;
  text-decoration: none;
  border-radius: 4px 4px 0 0;
  margin-bottom: -2px;
}

.calc-tab:hover {
  color: #334155;
  background: #f1f5f9;
}

.calc-tab.active {
  color: #4f46e5;
  border-bottom: 2px solid #4f46e5;
}

.calc-group {
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  background-color: #f8fafc;
}

.calc-group legend {
  font-weight: 600;
  color: #0f172a;
  font-size: 1rem;
  padding: 0 0.5rem;
}

.form-group-needed label {
  color: #d97706;
}

.input-needed {
  border-color: #d97706;
  background-color: #fffbeb;
}

.need-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #b45309;
  background: #fef3c7;
  border-radius: 4px;
}

.calc-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.9rem 1rem;
  margin-bottom: 0.6rem;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  background: #ffffff;
}

.calc-step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #64748b;
  background: #f9fafb;
  border-radius: 50%;
}

.calc-step-body {
  flex: 1;
  min-width: 0;
}

.calc-step-label {
  font-weight: 600;
  color: #0f172a;
}

.calc-step-formula {
  color: #64748b;
  font-size: 0.875rem;
  margin-top: 0.15rem;
}

.calc-step-value {
  flex-shrink: 0;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  color: #0f172a;
  text-align: right;
}

.calc-computed {
  border-left: 3px solid #10b981;
}

.calc-computed .calc-step-value {
  color: #15803d;
}

.calc-pending {
  background: #fffbeb;
  border-color: #fde68a;
  border-left: 3px solid #d97706;
}

.calc-missing {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: #b45309;
  font-weight: 600;
}

.calc-error {
  background: #fef2f2;
  border-color: #fecaca;
  border-left: 3px solid #dc2626;
}

.calc-error-msg {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: #dc2626;
  font-weight: 600;
}

.text-muted {
  color: #64748b;
}

.text-hint {
  color: #94a3b8;
  font-size: 0.875rem;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.font-mono {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

.nowrap {
  white-space: nowrap;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mt-6 {
  margin-top: 1.5rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .header {
    padding: 1rem;
  }
  .header-inner {
    flex-direction: column;
    gap: 0.75rem;
  }
  .logo {
    font-size: 1.25rem;
  }
  .nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
  .nav a {
    margin-left: 0;
    margin-right: 0.5rem;
  }
  .container {
    padding: 0 1rem;
    margin: 1rem auto;
  }
  .card {
    padding: 1.25rem;
  }
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  .actions-cell {
    gap: 0.375rem;
  }
  .home-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
  }
  .kb-layout {
    flex-direction: column;
  }
  .kb-sidebar {
    width: 100%;
    position: static;
    max-height: none;
  }
  .kb-content {
    padding: 1.5rem;
  }
}
@media (max-width: 480px) {
  .header {
    padding: 0.75rem;
  }
  .nav {
    gap: 0.35rem;
  }
  .nav a {
    font-size: 0.9rem;
  }
  .container {
    padding: 0 0.75rem;
  }
  .card {
    padding: 1rem;
  }
  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
  th, td {
    padding: 0.5rem 0.6rem;
    font-size: 0.85rem;
  }
}