/* === AutoFigure — Clean Modern Style === */

:root {
  --primary: #2c5282;
  --primary-light: #ebf2ff;
  --primary-hover: #1e3a5f;
  --text: #1a202c;
  --text-secondary: #64748b;
  --bg: #ffffff;
  --bg-page: #f8fafc;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-lg: 16px;
  --danger: #dc3545;
  --success: #10b981;
  --info: #3b82f6;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-page);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* === Navbar === */
.navbar {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.3px;
}

.beta-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 6px;
  border-radius: 4px;
  vertical-align: super;
  margin-left: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.nav-back:hover {
  background: var(--bg-page);
  color: var(--text);
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.nav-icon:hover {
  background: var(--bg-page);
  color: var(--text);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-page);
  padding: 4px 12px;
  border-radius: 20px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-chip.error .status-dot { background: var(--danger); animation: none; }
.status-chip.done .status-dot { background: var(--success); animation: none; }

.job-pill {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-page);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-ghost {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { color: var(--danger); border-color: rgba(220,53,69,0.3); }
.btn-danger:hover { border-color: var(--danger); }

/* === Home Page === */
.home-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

.home-hero {
  text-align: center;
  padding: 48px 0 32px;
}

.home-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

.home-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0 0 6px;
}

.home-time-hint {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  opacity: 0.7;
}

/* Input Card */
.input-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.input-card-body {
  display: flex;
  gap: 0;
}

.input-left {
  flex: 0 0 62%;
  padding: 24px;
  border-right: 1px solid var(--border);
}

.input-right {
  flex: 1;
  padding: 24px;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.textarea {
  width: 100%;
  min-height: 260px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
  font-family: var(--font);
  line-height: 1.6;
  resize: vertical;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(44,82,130,0.1);
}

.textarea::placeholder { color: #94a3b8; }

.chinese-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 8px 12px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  font-size: 13px;
  color: #1e40af;
}

/* Upload Zone */
.upload-zone {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-page);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.upload-zone:hover, .upload-zone.dragging {
  border-color: var(--primary);
  background: var(--primary-light);
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px;
  color: var(--text-secondary);
  font-size: 13px;
  text-align: center;
}

.upload-placeholder svg { color: #94a3b8; }

.upload-hint {
  font-size: 11px;
  color: #94a3b8;
}

.upload-preview-wrap {
  position: relative;
  width: 100%;
  padding: 12px;
}

.upload-preview-img {
  width: 100%;
  max-height: 140px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--bg);
}

.upload-remove {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-remove:hover { background: rgba(220,53,69,0.8); }

.field-group {
  margin-top: 20px;
}

.field-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.input-field {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s;
}

.input-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(44,82,130,0.1);
}

/* Generate Section */
.generate-section {
  margin-top: 24px;
  text-align: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(44,82,130,0.2);
}

.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.6; cursor: wait; }

.btn-generate {
  width: 100%;
  max-width: 960px;
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 10px;
}

.btn-lg {
  padding: 14px 40px;
  font-size: 16px;
}

.error-msg {
  color: var(--danger);
  font-size: 14px;
  margin-top: 12px;
}

/* Progress Area (home page) */
.progress-area {
  margin-top: 20px;
  text-align: left;
}

.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), #4299e1);
  border-radius: 3px;
  transition: width 0.6s ease;
}

.progress-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

.progress-label {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.btn-primary .btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Home Footer */
.home-footer {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.home-footer p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* === Results Page === */
.result-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* Progress Section */
.progress-section {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  gap: 4px;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  opacity: 0.35;
  transition: opacity 0.3s;
}

.step-item.active, .step-item.done { opacity: 1; }

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  transition: background 0.3s, color 0.3s;
}

.step-item.active .step-num { background: var(--primary); color: #fff; }
.step-item.done .step-num { background: var(--success); color: #fff; }

.step-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: center;
}

.progress-status {
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 500;
}

/* Result Cards */
.result-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.result-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.result-card-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font);
  transition: border-color 0.15s, background 0.15s;
}

.btn-download:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.result-image-wrap {
  display: flex;
  justify-content: center;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px;
}

.result-image {
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
  border-radius: 8px;
}

/* SVG List */
.svg-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.svg-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
}

.svg-item-preview {
  width: 120px;
  height: 80px;
  flex-shrink: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.svg-item-preview object,
.svg-item-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.svg-item-info {
  flex: 1;
  min-width: 0;
}

.svg-item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.svg-item-kind {
  font-size: 12px;
  color: var(--text-secondary);
}

.svg-tip {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 16px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  font-size: 13px;
  color: #1e40af;
  line-height: 1.5;
}

.svg-tip svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Error Card */
.result-error-card {
  border-color: rgba(220,53,69,0.2);
  background: #fef2f2;
}

.error-detail {
  color: #991b1b;
  font-size: 14px;
  margin: 0;
  word-break: break-word;
}

/* Result Footer */
.result-footer {
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-hint {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 12px;
}

/* === Log Panel === */
.log-panel {
  position: fixed;
  left: 24px;
  bottom: 24px;
  width: 460px;
  max-height: 40vh;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.log-panel.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.panel-close {
  border: none;
  background: none;
  font-size: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.panel-close:hover { color: var(--text); }

.log-body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  color: var(--text-secondary);
  padding: 12px 16px;
  overflow-y: auto;
  white-space: pre-wrap;
  line-height: 1.5;
  flex: 1;
}

/* === Responsive === */
@media (max-width: 768px) {
  .home-title { font-size: 26px; }
  .home-hero { padding: 32px 0 20px; }

  .input-card-body {
    flex-direction: column;
  }

  .input-left {
    flex: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .textarea { min-height: 180px; }

  .progress-steps { flex-wrap: wrap; gap: 8px; }

  .step-label { font-size: 11px; }

  .svg-item { flex-direction: column; align-items: flex-start; }
  .svg-item-preview { width: 100%; height: 120px; }

  .log-panel { left: 12px; right: 12px; width: auto; }
  .job-pill { display: none; }

  .result-container { padding: 16px 16px 40px; }

  .navbar-inner { padding: 0 16px; }
}