.package-tracker {
    width: 100%;
    max-width: 100%;
    margin: 40px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.tracker-container {
    background: linear-gradient(135deg, #667eea 0%, #003A9B 100%);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.tracker-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width=\"100\" height=\"100\" xmlns=\"http://www.w3.org/2000/svg\"><circle cx=\"50\" cy=\"50\" r=\"40\" fill=\"white\" opacity=\"0.05\"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.tracker-title {
    margin: 0 0 35px 0;
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.tracker-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.tracker-left {
    width: 100%;
}

.tracker-right {
    min-width: 250px;
}

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

.tracker-label {
    display: block;
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tracker-input {
    width: 100%;
    padding: 18px 24px;
    font-size: 18px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.95);
    color: #1f2937;
    font-weight: 500;
}

.tracker-input:focus {
    outline: none;
    border-color: #ffffff;
    background: #ffffff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.tracker-input::placeholder {
    color: #9ca3af;
}

.tracker-radio-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tracker-radio-label {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.tracker-radio-label:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
}

.tracker-radio {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #ffffff;
    flex-shrink: 0;
}

.tracker-radio-text {
    font-size: 14px;
    color: #ffffff;
    font-weight: 500;
}

.tracker-radio:checked ~ .tracker-radio-text {
    font-weight: 700;
}

.tracker-radio-label:has(.tracker-radio:checked) {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.tracker-single-service {
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.tracker-single-service .tracker-label {
    margin-bottom: 0;
}

.tracker-service-name {
    font-weight: 700;
    color: #ffffff;
    font-size: 18px;
}

.tracker-button {
    width: 100%;
    padding: 20px 32px;
    background: #ffffff;
    color: #667eea;
    border: none;
    border-radius: 14px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tracker-button:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.tracker-button:active {
    transform: translateY(-1px);
}

.tracker-icon {
    width: 24px;
    height: 24px;
}

.tracker-error {
    margin-top: 20px;
    padding: 16px 24px;
    background: #fee;
    border: 2px solid #fcc;
    border-radius: 14px;
    color: #c33;
    font-size: 15px;
    font-weight: 600;
}

/* Responsive - Móviles */
@media (max-width: 768px) {
    .tracker-form {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .tracker-right {
        width: 100%;
        min-width: 0;
    }
    
    .tracker-container {
        padding: 30px 25px;
    }
    
    .tracker-title {
        font-size: 26px;
        margin-bottom: 30px;
    }
    
    .tracker-input {
        padding: 16px 20px;
        font-size: 16px;
    }
    
    .tracker-button {
        padding: 18px 28px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .package-tracker {
        margin: 30px 0;
    }
    
    .tracker-container {
        padding: 25px 20px;
        border-radius: 16px;
    }
    
    .tracker-title {
        font-size: 22px;
    }
    
    .tracker-input,
    .tracker-button {
        font-size: 15px;
    }
}