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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f5f7fa;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    border-radius: 20px;
    padding: 40px;
    color: white;
    margin-bottom: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.9;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    font-family: monospace;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.btn {
    padding: 15px 40px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.6);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.stat-card.total {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.stat-card.success {
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
}

.stat-card.error {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.stat-card.warning {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn-download {
    background: #10b981;
    color: white;
    padding: 12px 24px;
}

.btn-copy {
    background: #3b82f6;
    color: white;
    padding: 12px 24px;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-2px);
}

.btn-copy:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th {
    background: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #e0e0e0;
}

td {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}

tr:hover {
    background: #f0f9ff;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 12px;
}

.status-200 {
    background: #d1fae5;
    color: #065f46;
}

.status-404 {
    background: #fee2e2;
    color: #991b1b;
}

.status-error {
    background: #fed7aa;
    color: #92400e;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    display: none;
    z-index: 9999;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: #e0e0e0;
    border-radius: 15px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    width: 0%;
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.batch-info {
    background: #f0f9ff;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid #0ea5e9;
}