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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-bottom: 70px;
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 20px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header h1 {
  font-size: 20px;
  font-weight: 600;
}

/* Navigation */
.nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  display: flex;
  justify-content: space-around;
  padding: 10px 0;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  z-index: 100;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-light);
  font-size: 12px;
  padding: 5px 10px;
  transition: color 0.2s;
}

.nav-item.active {
  color: var(--primary);
}

.nav-item svg {
  width: 24px;
  height: 24px;
  margin-bottom: 4px;
}

/* Container */
.container {
  padding: 20px;
  max-width: 600px;
  margin: 0 auto;
}

/* Card */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

/* Form */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Button */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

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

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

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Status Badge */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-created {
  background: #e0e7ff;
  color: #3730a3;
}

.badge-queued {
  background: #fef3c7;
  color: #92400e;
}

.badge-running {
  background: #dbeafe;
  color: #1e40af;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-failed {
  background: #fee2e2;
  color: #991b1b;
}

.badge-canceled {
  background: #f3f4f6;
  color: #374151;
}

/* Task List */
.task-item {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.task-title {
  font-size: 14px;
  font-weight: 600;
}

.task-meta {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.task-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.task-actions .btn {
  padding: 8px 16px;
  font-size: 13px;
}

/* Result */
.result {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
}

.result-title {
  font-size: 14px;
  font-weight: 600;
  color: #065f46;
  margin-bottom: 8px;
}

.result-video {
  width: 100%;
  border-radius: 8px;
  margin-top: 12px;
}

/* Loading */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
}

.spinner {
  border: 3px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Empty State */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.empty svg {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
}

/* Tabs */
.tabs {
  display: flex;
  background: var(--card);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  color: var(--text-light);
}

.tab.active {
  background: var(--primary);
  color: white;
}

/* Stage indicator */
.stages {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.stage {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  background: var(--border);
  color: var(--text-light);
}

.stage.active {
  background: var(--primary);
  color: white;
}

.stage.completed {
  background: var(--success);
  color: white;
}

/* Test Data Picker */
.btn-testdata {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 12px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 6px;
  font-size: 13px;
  color: #0369a1;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-testdata:hover {
  background: #e0f2fe;
  border-color: #7dd3fc;
}

.testdata-picker {
  margin-top: 10px;
  padding: 12px;
  background: #fafafa;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.testdata-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  margin-bottom: 8px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.testdata-item:hover {
  border-color: var(--primary);
  background: #f5f3ff;
}

.testdata-item.selected {
  border-color: var(--primary);
  background: #ede9fe;
}

.testdata-item:last-child {
  margin-bottom: 0;
}

.testdata-thumb {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.testdata-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

.testdata-url {
  font-size: 11px;
  color: var(--text-light);
}

.testdata-empty {
  text-align: center;
  padding: 20px;
  color: var(--text-light);
  font-size: 13px;
}