:root {
  --page-bg: #f6f7f8;
  --surface: #ffffff;
  --text-primary: #111827;
  --text-muted: #6b7280;
  --line-color: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success-bg: #ecfdf5;
  --success-line: #bbf7d0;
  --error-bg: #fef2f2;
  --error-line: #fecaca;
  --warning-bg: #fffbeb;
  --warning-line: #fde68a;
  --info-bg: #eff6ff;
  --info-line: #bfdbfe;
}
* {
  box-sizing: border-box;
}
body {
  background:
    radial-gradient(
      circle at top,
      rgba(255, 255, 255, 0.95),
      rgba(246, 247, 248, 0.95) 48%
    ),
    var(--page-bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.navbar-clean {
  background-color: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.92);
}
.navbar-clean .navbar-brand {
  color: var(--text-primary);
}
.bi {
  line-height: 1;
  vertical-align: -0.125em;
}
.page-shell {
  margin-top: 5rem;
  padding-bottom: 3rem;
  flex: 1 0 auto;
}
.card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(229, 231, 235, 0.88) !important;
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.06) !important;
}
.card-header {
  background: transparent !important;
  border-bottom-color: var(--line-color) !important;
}
.card-header-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.card-header-tools h1 {
  flex: 1 1 auto;
  min-width: 0;
}
.card-header-tools .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}
.section-box {
  border: 1px solid var(--line-color);
  border-radius: 14px;
  background: var(--surface);
  padding: 1rem;
  height: 100%;
}
.section-box p,
.section-box li,
.step-item p,
.muted-copy,
.note-copy,
.preset-meta {
  color: var(--text-muted);
}
.btn-outline-secondary,
.form-select,
.form-control,
.list-group-item,
.form-check-input,
.input-group-text {
  border-color: #d1d5db;
}
.btn-outline-secondary {
  color: var(--text-primary);
  background: #fff;
}
.btn-outline-secondary:hover {
  color: var(--text-primary);
  background: #f3f4f6;
  border-color: #c7cdd4;
}
.btn-dark,
.action-btn {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24);
}
.btn-dark:hover,
.action-btn:hover,
.btn-dark:focus,
.action-btn:focus {
  background-color: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
  color: #fff !important;
}
.tool-textarea {
  padding-bottom: 2.4rem;
  resize: vertical;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.92rem;
  line-height: 1.6;
}
.input-head,
.input-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}
.input-head {
  align-items: flex-start;
  flex-wrap: wrap;
}
.input-meta-row {
  align-items: center;
  flex-wrap: nowrap;
}
.input-meta-row .form-text {
  flex: 1 1 auto;
  min-width: 0;
  margin-bottom: 0;
}
.textarea-quick-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin-left: auto;
}
.tool-link-btn,
.textarea-clear {
  border: 0;
  background: transparent;
  color: var(--bs-link-color);
  font-size: 0.82rem;
  line-height: 1.4;
  padding: 0;
  white-space: nowrap;
}
.tool-link-btn:hover,
.tool-link-btn:focus,
.textarea-clear:hover,
.textarea-clear:focus {
  color: var(--bs-link-hover-color);
}
.tool-link-btn:disabled,
.tool-link-btn.is-disabled {
  opacity: 0.48;
  pointer-events: none;
}
.textarea-wrap {
  position: relative;
}
.textarea-clear {
  position: absolute;
  right: 0.9rem;
  bottom: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.textarea-clear.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.inline-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem 0.9rem;
}
.inline-options .form-check {
  margin-bottom: 0;
}
.tool-actions {
  display: grid;
  gap: 0.75rem;
}
.tool-actions-primary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.tool-actions-secondary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.action-strip {
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
}
.action-strip .btn {
  min-height: 44px;
}
.tool-actions .btn {
  width: 100%;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}
.stat-box {
  border: 1px solid var(--line-color);
  border-radius: 14px;
  background: var(--surface);
  padding: 0.85rem 0.75rem;
  text-align: center;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.stat-value {
  margin-top: 0.28rem;
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.2;
}
.progress-track {
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: linear-gradient(90deg, #eceff3 0%, #e5e7eb 100%);
}
.progress-bar-clean {
  height: 100%;
  width: 0;
  background-image: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
  transition: width 0.25s ease;
}
.progress-hint {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.status-box,
.log-box,
.note-box {
  border-radius: 14px;
  padding: 0.85rem 1rem;
}
.note-box {
  border: 1px solid var(--warning-line);
  background: var(--warning-bg);
  color: #92400e;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.note-box .btn-close {
  flex: 0 0 auto;
  opacity: 0.58;
  padding: 0;
  margin: 0;
}
.note-box .btn-close:hover,
.note-box .btn-close:focus {
  opacity: 0.82;
}
.status-box {
  border: 1px solid var(--info-line);
  background: var(--info-bg);
}
.status-box.is-error {
  border-color: var(--error-line);
  background: var(--error-bg);
}
.status-box.is-warning {
  border-color: var(--warning-line);
  background: var(--warning-bg);
}
.status-box.is-success {
  border-color: var(--success-line);
  background: var(--success-bg);
}
.status-text {
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.6;
}
.log-box {
  border: 1px solid var(--line-color);
  background: #fff;
  min-height: 96px;
  max-height: 300px;
  overflow-y: auto;
}
.log-item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.4rem 0;
  border-bottom: 1px dashed #eef2f7;
  font-size: 0.88rem;
  line-height: 1.5;
}
.log-item:last-child {
  border-bottom: 0;
}
.log-time {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-family: Consolas, Monaco, monospace;
  font-size: 0.8rem;
}
.log-item.is-success .log-message {
  color: #047857;
}
.log-item.is-error .log-message {
  color: #b91c1c;
}
.log-item.is-info .log-message {
  color: var(--text-primary);
}
.mono-copy {
  font-family: Consolas, Monaco, monospace;
  word-break: break-all;
}
.config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}
.config-item {
  border: 1px solid var(--line-color);
  border-radius: 12px;
  background: #fff;
  padding: 0.75rem 0.85rem;
}
.config-item .form-check {
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.config-item .form-check-label {
  min-width: 0;
  margin-right: auto;
}
.config-tip-trigger {
  border: 0;
  background: transparent;
  color: #2563eb;
  font-size: 0.92rem;
  line-height: 1;
  font-weight: 700;
  padding: 0;
  cursor: pointer;
}
.config-tip-trigger:hover,
.config-tip-trigger:focus {
  color: #1d4ed8;
}
.config-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}
.config-summary-line {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.config-summary-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.55rem;
  padding: 0.14rem 0.52rem;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}
.runtime-panel {
  margin-top: 0.25rem;
}
.modal-content {
  border-radius: 16px;
  border: 1px solid rgba(229, 231, 235, 0.88);
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.12);
}
.modal-header,
.modal-footer {
  border-color: var(--line-color);
}
.modal-header {
  padding: 0.9rem 1rem;
}
.modal-body {
  padding: 1rem;
}
.modal-footer {
  padding: 0.85rem 1rem;
}
.step-item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}
.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  flex: 0 0 32px;
}
.preset-card {
  border: 1px solid var(--line-color);
  border-radius: 14px;
  background: var(--surface);
  padding: 1rem;
  height: 100%;
}
.preset-list {
  margin: 0;
  padding-left: 1rem;
}
.tutorial-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 1.7rem;
  padding: 0.18rem 0.62rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
  font-size: 0.8rem;
  font-weight: 600;
}
.guide-card {
  position: relative;
}
.guide-card.is-match {
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.08);
}
.guide-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}
.guide-match-badge {
  display: none;
  align-items: center;
  min-height: 1.65rem;
  padding: 0.14rem 0.58rem;
  border-radius: 999px;
  background: rgba(5, 150, 105, 0.12);
  color: #047857;
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
}
.guide-card.is-match .guide-match-badge {
  display: inline-flex;
}
.guide-step-list {
  margin: 0;
  padding-left: 1.1rem;
}
.guide-step-list li + li {
  margin-top: 0.45rem;
}
.site-list a,
.page-link,
.footer-links a,
.friend-link a {
  color: var(--text-primary);
  text-decoration: none;
}
.site-list a:hover,
.page-link:hover,
.footer-links a:hover,
.friend-link a:hover {
  color: var(--text-primary);
}
.list-group-item {
  background: #fff;
}
.list-group-item:hover {
  background: #f9fafb;
}
.card-foot-ad {
  font-size: 0.9rem;
}
.card-foot-ad a {
  color: var(--bs-link-color);
  text-decoration: none;
}
.card-foot-ad a:hover {
  color: var(--bs-link-hover-color);
  text-decoration: underline;
}
.error-wrap {
  width: 100%;
  max-width: 520px;
  padding: 2.2rem 1.8rem;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(229, 231, 235, 0.88);
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.06);
}
.error-code {
  margin: 0;
  font-size: clamp(56px, 14vw, 88px);
  font-weight: 700;
  line-height: 1;
}
.error-title {
  margin: 1rem 0 0.75rem;
  font-size: 1.6rem;
  font-weight: 700;
}
.error-text {
  color: var(--text-muted);
  line-height: 1.8;
}
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .card-header-tools {
    gap: 0.75rem;
  }
  .inline-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .action-strip {
    grid-template-columns: minmax(0, 1fr) repeat(2, minmax(92px, auto));
  }
  .config-grid,
  .config-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 576px) {
  .page-shell {
    margin-top: 4.4rem;
    padding-bottom: 2rem;
  }
  .navbar-clean .navbar-brand {
    font-size: 0.96rem;
  }
  .navbar-clean .btn {
    padding: 0.38rem 0.58rem;
    font-size: 0.78rem;
  }
  .card-header-tools {
    align-items: center;
    gap: 0.55rem;
  }
  .card-header-tools h1 {
    font-size: 1.02rem;
  }
  .card-header-tools .btn {
    padding: 0.4rem 0.62rem;
    font-size: 0.78rem;
  }
  .page-shell .card-body {
    padding: 1rem !important;
  }
  .tool-textarea {
    font-size: 0.88rem;
  }
  .input-head {
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.45rem 0.7rem;
  }
  .textarea-quick-actions {
    flex: 0 0 auto;
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 0.3rem 0.55rem;
    width: auto;
  }
  .tool-link-btn,
  .textarea-clear {
    font-size: 0.78rem;
  }
  .input-meta-row {
    align-items: center;
    gap: 0.35rem;
  }
  .input-meta-row .form-text {
    width: auto;
  }
  .input-meta-row .config-summary-line {
    width: auto;
    flex: 0 0 auto;
    justify-content: flex-end;
  }
  .inline-options {
    gap: 0.5rem 0.75rem;
  }
  .inline-options .form-check-label {
    font-size: 0.84rem;
  }
  .tool-actions .btn {
    padding: 0.55rem 0.45rem;
    font-size: 0.82rem;
  }
  .action-strip {
    gap: 0.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .action-strip #startBtn {
    grid-column: 1 / -1;
  }
  .stats-grid {
    gap: 0.5rem;
  }
  .stat-box {
    padding: 0.65rem 0.45rem;
    border-radius: 12px;
  }
  .stat-label {
    font-size: 0.72rem;
  }
  .stat-value {
    margin-top: 0.2rem;
    font-size: 1rem;
  }
  .note-box,
  .status-box {
    padding: 0.75rem 0.85rem;
  }
  .note-box {
    align-items: flex-start;
  }
  .status-text,
  .note-box {
    font-size: 0.84rem;
    line-height: 1.55;
  }
  .log-box {
    min-height: 72px;
    max-height: 180px;
    padding: 0.7rem 0.75rem;
  }
  .log-item {
    gap: 0.5rem;
    font-size: 0.82rem;
  }
  .config-item {
    padding: 0.65rem 0.72rem;
  }
  .modal-body,
  .modal-footer,
  .modal-header {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }
  .modal-dialog {
    margin: 0.6rem;
  }
  .textarea-clear {
    right: 0.72rem;
    bottom: 0.62rem;
  }
}