* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, #e0eafc, #cfdef3);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 900px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

header {
    background: linear-gradient(90deg, #004080, #0073e6);
    color: white;
    text-align: center;
    padding: 30px 20px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 1px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

main {
    padding: 30px;
}

.tracking-form {
    text-align: center;
}

.tracking-form label {
    display: block;
    font-size: 1.2rem;
    font-weight: 500;
    color: #004080;
    margin-bottom: 15px;
}

.input-wrapper {
    display: flex;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto;
}

.tracking-form input {
    flex: 1;
    padding: 12px 20px;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 25px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.tracking-form input:focus {
    border-color: #0073e6;
    box-shadow: 0 0 8px rgba(0, 115, 230, 0.3);
}

.tracking-form button {
    padding: 12px 30px;
    background: linear-gradient(90deg, #004080, #0073e6);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.tracking-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 115, 230, 0.4);
}

.error-message {
    color: #d32f2f;
    font-size: 1rem;
    font-weight: 500;
    margin-top: 15px;
    text-align: center;
    background: #ffebee;
    padding: 10px;
    border-radius: 5px;
}

.tracking-result {
    margin-top: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 10px;
    border: 1px solid #ddd;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tracking-result h2 {
    font-size: 1.5rem;
    color: #004080;
    margin-bottom: 20px;
}

#status-list {
    position: relative;
}

.status-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: 25px;
    animation: slideIn 0.5s ease-in;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.status-item::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 5px; /* Ajustado para alinhar melhor com o texto */
    width: 10px;
    height: 10px;
    background: #0073e6;
    border-radius: 50%;
}

.status-item .date {
    font-weight: 600;
    color: #004080;
    font-size: 1.1rem;
}

.status-item p {
    font-size: 1rem;
    color: #555;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top: 4px solid #0073e6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    font-size: 1.2rem;
    color: #004080;
}

footer {
    text-align: center;
    padding: 15px;
    background: #f1f1f1;
    color: #777;
    font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 1rem;
    }

    .input-wrapper {
        flex-direction: column;
        gap: 15px;
    }

    .tracking-form input,
    .tracking-form button {
        width: 100%;
    }

    .tracking-result {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 20px 15px;
    }

    main {
        padding: 20px;
    }

    .tracking-form label {
        font-size: 1rem;
    }

    .status-item {
        padding-left: 30px;
    }
}