.able-tracker-container {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.able-tracker-header {
    text-align: center;
    margin-bottom: 2rem;
}

.able-tracker-title {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.able-tracker-subtitle {
    color: #7f8c8d;
    font-size: 1rem;
}

.able-tracker-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.able-tracker-input {
    flex: 1;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.able-tracker-input:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.able-tracker-button {
    background: #3498db;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.able-tracker-button:hover {
    background: #2980b9;
}

.able-tracker-results {
    display: none;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.able-tracker-status {
    margin-top: 2rem;
}

.able-tracker-steps {
    position: relative;
    padding-left: 3rem;
    margin: 2rem 0;
}

.able-tracker-step {
    position: relative;
    padding-bottom: 2rem;
}

.able-tracker-step:last-child {
    padding-bottom: 0;
}

.able-tracker-step-icon {
    position: absolute;
    left: -3rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ecf0f1;
    color: #7f8c8d;
    font-weight: bold;
}

.able-tracker-step.active .able-tracker-step-icon {
    background: #3498db;
    color: white;
}

.able-tracker-step.completed .able-tracker-step-icon {
    background: #2ecc71;
    color: white;
}

.able-tracker-step-content {
    padding: 1rem;
    background: #f9f9f9;
    border-radius: 8px;
}

.able-tracker-step.active .able-tracker-step-content {
    background: #e1f0fa;
    border-left: 4px solid #3498db;
}

.able-tracker-step.completed .able-tracker-step-content {
    background: #e8f8f0;
    border-left: 4px solid #2ecc71;
}

.able-tracker-step-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.able-tracker-step-desc {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.able-tracker-step-time {
    font-size: 0.8rem;
    color: #bdc3c7;
    margin-top: 0.5rem;
}

.able-tracker-progress {
    height: 100%;
    width: 2px;
    background: #ecf0f1;
    position: absolute;
    left: -1.75rem;
    top: 0;
    z-index: 0;
}

.able-tracker-progress-bar {
    height: 0%;
    width: 2px;
    background: #2ecc71;
    position: absolute;
    top: 0;
    left: -1.75rem;
    transition: height 0.5s ease;
}

.able-tracker-error {
    color: #e74c3c;
    text-align: center;
    padding: 1rem;
    background: #fdecea;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
}

.able-tracker-loading {
    text-align: center;
    padding: 2rem;
    display: none;
}

.able-tracker-loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Responsividade */
@media (max-width: 600px) {
    .able-tracker-form {
        flex-direction: column;
    }
    
    .able-tracker-button {
        width: 100%;
    }
}