@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #1e88e5;
    --primary-dark: #1565c0;
    --primary-light: #42a5f5;
    --error-color: #f44336;
    --success-color: #4caf50;
    --background-color: #f5f9ff;
    --text-color: #333;
    --white: #ffffff;
    --gray: #e0e0e0;
    --dark-gray: #757575;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: fadeIn 0.5s ease-in-out;
}

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

.form-header {
    background-color: var(--primary-color);
    padding: 30px;
    color: var(--white);
    text-align: center;
}

.header-box {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 20px;
    margin-bottom: 20px;
}

h1 {
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: 500;
}

.subtitle {
    font-size: 14px;
    margin-bottom: 10px;
    text-align: left;
    padding: 0 15px;
}

.subtitle p {
    margin-bottom: 8px;
}

.required-fields {
    font-weight: 500;
    margin-top: 15px;
    font-style: italic;
}

.application-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
    animation: slideIn 0.5s ease-in-out;
    animation-fill-mode: both;
}

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

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }
.form-group:nth-child(6) { animation-delay: 0.6s; }
.form-group:nth-child(7) { animation-delay: 0.7s; }
.form-group:nth-child(8) { animation-delay: 0.8s; }
.form-group:nth-child(9) { animation-delay: 0.9s; }

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-dark);
}

.input-container {
    position: relative;
}

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--gray);
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s;
    background-color: var(--white);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.2);
}

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

.check-icon, .error-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s;
}

.check-icon {
    color: var(--success-color);
}

.error-icon {
    color: var(--error-color);
    cursor: help;
}

.error-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--error-color);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 10;
}

.error-icon:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 5px);
}

.form-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.back-btn {
    background-color: var(--gray);
    color: var(--text-color);
}

.back-btn:hover {
    background-color: #bdbdbd;
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--white);
}

.submit-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: var(--white);
    margin: 15% auto;
    padding: 30px;
    border-radius: 10px;
    max-width: 500px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.modal-content p {
    margin-bottom: 20px;
}

.close-btn {
    background-color: var(--primary-color);
    color: white;
    float: right;
}

.close-btn:hover {
    background-color: var(--primary-dark);
}

/* Validation states */
input.valid, select.valid, textarea.valid {
    border-color: var(--success-color);
}

input.invalid, select.invalid, textarea.invalid {
    border-color: var(--error-color);
}

input.valid + .check-icon, 
select.valid + .check-icon, 
textarea.valid + .check-icon {
    opacity: 1;
}

input.invalid + .error-icon, 
select.invalid + .error-icon, 
textarea.invalid + .error-icon {
    opacity: 1;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        margin: 10px;
    }
    
    .form-header {
        padding: 20px;
    }
    
    .application-form {
        padding: 20px;
    }
    
    .form-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .modal-content {
        margin: 20% auto;
        width: 90%;
    }
}