/* Google Color Palette */
:root {
    --google-blue: #4285F4;
    --google-green: #34A853;
    --google-red: #EA4335;
    --google-yellow: #FBBC05;
    --google-gray-50: #F8F9FA;
    --google-gray-100: #F1F3F4;
    --google-gray-200: #E8EAED;
    --google-gray-300: #DADCE0;
    --google-gray-400: #BDC1C6;
    --google-gray-500: #9AA0A6;
    --google-gray-600: #80868B;
    --google-gray-700: #5F6368;
    --google-gray-800: #3C4043;
    --google-gray-900: #202124;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--google-gray-50);
    color: var(--google-gray-800);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
}

/* Progress Indicator */
.progress-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 50px;
    padding: 0 20px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--google-gray-300);
    color: var(--google-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    margin-bottom: 8px;
}

.step-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--google-gray-600);
    text-align: center;
    transition: all 0.3s ease;
}

.progress-step.active .step-circle {
    background-color: var(--google-blue);
    color: white;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.progress-step.active .step-label {
    color: var(--google-blue);
}

.progress-step.completed .step-circle {
    background-color: var(--google-green);
    color: white;
}

.progress-step.completed .step-label {
    color: var(--google-green);
}

.progress-line {
    flex: 1;
    height: 2px;
    background-color: var(--google-gray-300);
    margin: 0 20px;
    position: relative;
    top: -16px;
    z-index: 1;
}

/* Form Styles */
.multi-step-form {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.form-step {
    display: none;
    padding: 40px;
}

.form-step.active {
    display: block;
}

.form-step h2 {
    font-size: 24px;
    font-weight: 500;
    color: var(--google-gray-800);
    margin-bottom: 30px;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--google-gray-700);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--google-gray-300);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.3s ease;
    background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--google-blue);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--google-gray-500);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.file-input {
    padding: 8px 12px !important;
    cursor: pointer;
}

.file-info {
    font-size: 12px;
    color: var(--google-gray-500);
    margin-top: 4px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
    margin-top: 2px;
}

.checkbox-group label {
    margin: 0;
    font-size: 14px;
    cursor: pointer;
    flex: 1;
}

.checkbox-group a {
    color: var(--google-blue);
    text-decoration: none;
}

.checkbox-group a:hover {
    text-decoration: underline;
}

.error-message {
    display: block;
    color: var(--google-red);
    font-size: 12px;
    margin-top: 4px;
    min-height: 16px;
}

/* Button Styles */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--google-gray-200);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Roboto', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    min-width: 120px;
    justify-content: center;
}

.btn-next {
    background-color: var(--google-blue);
    color: white;
    margin-left: auto;
}

.btn-next:hover {
    background-color: #3367D6;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.btn-secondary {
    background-color: var(--google-gray-100);
    color: var(--google-gray-700);
    border: 1px solid var(--google-gray-300);
}

.btn-secondary:hover {
    background-color: var(--google-gray-200);
}

.btn-submit {
    background-color: var(--google-green);
    color: white;
    margin-left: auto;
}

.btn-submit:hover {
    background-color: #2D7D32;
    box-shadow: 0 2px 8px rgba(52, 168, 83, 0.3);
}

.arrow,
.checkmark {
    font-size: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-step {
        padding: 30px 20px;
    }
    
    .progress-container {
        margin-bottom: 30px;
        padding: 0;
    }
    
    .progress-line {
        margin: 0 10px;
    }
    
    .step-label {
        font-size: 12px;
    }
    
    .step-circle {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .form-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .form-step h2 {
        font-size: 20px;
    }
    
    .progress-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .progress-line {
        display: none;
    }
}

/* Animation for step transitions */
.form-step {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
}

.form-step.active {
    opacity: 1;
    transform: translateX(0);
}

/* Loading state for submit button */
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-submit.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 8px;
}

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