/* css/style.css */
body {
    background: #f4f6f9;
    font-family: 'Segoe UI', sans-serif;
    padding-bottom: 3rem;
}

.app-header {
    background: linear-gradient(145deg, #1a1a2e, #16213e);
    color: #fff;
    padding: 1.8rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
}

.app-header h1 {
    font-weight: 600;
    font-size: 1.8rem;
}

.card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
    background: #fff;
}

.log-area {
    background: #0b1120;
    color: #e2e8f0;
    border-radius: 12px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.82rem;
    max-height: 420px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.log-line-success {
    color: #34d399;
}

.log-line-error {
    color: #f87171;
}

.log-line-info {
    color: #60a5fa;
}

.log-line-warning {
    color: #fbbf24;
}

.log-line-muted {
    color: #94a3b8;
}

.stat-box {
    background: #f8fafc;
    border-radius: 12px;
    padding: 0.8rem;
    text-align: center;
    border: 1px solid #eef2f7;
}

.stat-box .number {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1e293b;
}

.progress {
    height: 8px;
    border-radius: 20px;
    background: #eef2f7;
}

.progress-bar {
    background: linear-gradient(90deg, #4f46e5, #7c3aed);
    border-radius: 20px;
}

.btn-download-all {
    background: #0d6efd;
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.6rem 2rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-download-all:hover {
    background: #0b5ed7;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4);
}

.btn-download-all i {
    margin-right: 8px;
}

.test-download-btn {
    background: #6c757d;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.4rem 1.2rem;
}

.test-download-btn:hover {
    background: #5a6268;
}