/* 工具页 — 与官网 style.css 联用 */
.tool-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: clamp(100px, 12vh, 120px) 0 clamp(48px, 6vh, 72px);
}

.tool-page .container {
  max-width: min(960px, 100%);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.tool-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.tool-back:hover {
  color: var(--primary-bright);
}

.tool-head {
  margin-bottom: 28px;
}

.tool-head h1 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tool-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.tool-card {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  margin-bottom: 20px;
}

.tool-card-title {
  margin: 0 0 16px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tool-tab {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.5);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.tool-tab.is-active {
  border-color: var(--glass-border);
  background: rgba(167, 139, 250, 0.15);
  color: var(--primary-bright);
}

.tool-panel[hidden] {
  display: none;
}

.tool-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.tool-textarea,
.tool-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(5, 8, 16, 0.6);
  color: var(--text);
  font-family: ui-monospace, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.88rem;
  line-height: 1.55;
  resize: vertical;
  transition: border-color 0.2s;
}

.tool-textarea:focus,
.tool-input:focus {
  outline: none;
  border-color: rgba(167, 139, 250, 0.5);
}

.tool-textarea {
  min-height: 120px;
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tool-btn {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(167, 139, 250, 0.12);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.tool-btn:hover {
  background: rgba(167, 139, 250, 0.22);
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.2);
}

.tool-btn--primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.9), rgba(56, 189, 248, 0.75));
  border-color: transparent;
}

.tool-btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

.tool-hint {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--muted-dim);
  line-height: 1.5;
}

.tool-status {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.5;
}

.tool-status--ok {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: #6ee7b7;
}

.tool-status--err {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fca5a5;
}

.tool-status--info {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
}

.tool-output {
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(5, 8, 16, 0.55);
  border: 1px solid var(--border);
  font-family: ui-monospace, 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 360px;
  overflow: auto;
}

.tool-table-wrap {
  margin-top: 16px;
  overflow: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.tool-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.tool-table th,
.tool-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.tool-table th {
  background: rgba(167, 139, 250, 0.1);
  color: var(--primary-bright);
  font-weight: 600;
  white-space: nowrap;
}

.tool-table td {
  color: var(--text);
  vertical-align: top;
}

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

.tool-table input,
.tool-table select {
  width: 100%;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(5, 8, 16, 0.6);
  color: var(--text);
  font-size: 0.82rem;
}

.tool-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.tool-radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--muted);
  cursor: pointer;
}

.tool-radio input {
  accent-color: var(--primary);
}

.qr-preview-wrap {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.qr-preview-wrap canvas,
.qr-preview-wrap img {
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.qr-batch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.qr-batch-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(5, 8, 16, 0.4);
  text-align: center;
}

.qr-batch-item canvas {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
}

.qr-batch-label {
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--muted);
  word-break: break-all;
  line-height: 1.4;
  max-height: 2.8em;
  overflow: hidden;
}

.qr-batch-item .tool-btn {
  margin-top: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
}

.tool-field-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.tool-field-inline label {
  font-size: 0.82rem;
  color: var(--muted);
}

.tool-field-inline input[type='number'],
.tool-field-inline select {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(5, 8, 16, 0.6);
  color: var(--text);
}

@media (max-width: 720px) {
  .tool-page {
    padding-top: 88px;
  }

  .tool-actions .tool-btn {
    flex: 1 1 auto;
    text-align: center;
  }
}