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

:root {
    --primary: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1f2937;
    --light: #f3f4f6;
    --border: #d1d5db;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: #f8fafc;
    color: var(--dark);
    line-height: 1.6;
}

.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    color: var(--primary);
    font-size: 1.5rem;
}

.stats {
    display: flex;
    gap: 15px;
}

.stats span {
    background: var(--light);
    padding: 8px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.main {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Credentials Form */
.credentials-form {
    margin-bottom: 15px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    margin-bottom: 10px;
}

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

.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.input, .textarea, .file-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 14px;
}

.textarea { 
    height: 120px; 
    resize: vertical;
}

.file-input {
    border: 2px dashed var(--border);
    background: var(--light);
}

.setting {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.tabs {
    display: flex;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    border-bottom-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

.progress-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
}

.progress-item {
    text-align: center;
    padding: 10px;
    background: var(--light);
    border-radius: 8px;
}

.progress-item span:first-child {
    display: block;
    font-size: 12px;
    color: #6b7280;
}

.progress-item span:last-child {
    font-size: 1.2rem;
    font-weight: 700;
}

.success { color: var(--success); }
.danger { color: var(--danger); }

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #34d399);
    width: 0%;
    transition: width 0.3s;
}

.logs {
    height: 300px;
    overflow-y: auto;
    background: #1f2937;
    color: white;
    padding: 15px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.log-entry {
    padding: 8px;
    margin-bottom: 5px;
    border-left: 3px solid;
    background: rgba(255,255,255,0.05);
}

.log-info { border-color: #3b82f6; }
.log-success { border-color: var(--success); }
.log-error { border-color: var(--danger); }
.log-warning { border-color: var(--warning); }

.accounts-list {
    margin-top: 10px;
}

.account-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    background: var(--light);
    border-radius: 6px;
    margin-bottom: 5px;
    font-size: 12px;
}

.file-info {
    padding: 10px;
    background: var(--light);
    border-radius: 6px;
    margin-top: 10px;
    font-size: 12px;
}

.controls {
    display: flex;
    gap: 10px;
}

.controls .btn {
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .main {
        grid-template-columns: 1fr;
    }
    
    .progress-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .controls {
        flex-direction: column;
    }
}