/* Base Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --light-gray: #f8f9fa;
    --border-color: #e1e4e8;
    --hover-color: rgba(44, 62, 80, 0.05);
    --border-radius: 6px;
    --transition: all 0.2s ease-in-out;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --section-padding: 1.5rem;
    --form-gap: 1.25rem;
}

/* Base Layout */
body {
    margin: 0;
    padding: 0;
    font-family: 'CelloSansRegular', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f5f7fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 900px;
    width: 100%;
    margin: 1rem auto;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    box-sizing: border-box;
    flex: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        margin: 0;
        padding: 1rem;
        border-radius: 0;
        box-shadow: none;
    }
    
    h1 {
        font-size: 1.75rem;
        margin: 0.5rem 0 1.5rem;
    }
    
    .form-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .document-grid {
        grid-template-columns: 1fr !important;
    }
    
    .document-step {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .document-button {
        width: 100%;
        box-sizing: border-box;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .radio-grid {
        grid-template-columns: 1fr !important;
    }
    
    .radio-option {
        padding: 0.5rem 0;
    }
    
    input[type="text"],
    input[type="email"],
    input[type="date"],
    input[type="number"],
    select,
    textarea {
        width: 100%;
        box-sizing: border-box;
    }
    
    .form-section {
        padding: 1rem 0.5rem;
    }
    
    .consent-box, .documents-section {
        padding: 1rem !important;
    }
}

/* Typography */
h1 {
    text-align: center;
    color: var(--primary-color);
    margin: 0 0 2rem;
    font-size: 2.25rem;
    font-weight: 600;
}

/* Form Elements */
.main-form {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: var(--form-gap);
    width: 100%;
}

.form-group {
    margin: 0 0 var(--form-gap);
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Remove bottom margin when form-group is inside form-row */
.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

input[type="text"],
input[type="email"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    box-sizing: border-box;
    background-color: #fff;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="date"]:hover,
input[type="tel"]:hover,
select:hover,
textarea:hover {
    border-color: #cbd5e1;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="date"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

/* Form Sections */
.form-section,
.university-level,
.faculty-selection {
    margin: var(--form-gap) 0;
    background: white;
    border-radius: var(--border-radius);
    padding: var(--section-padding);
    border: 1px solid var(--border-color);
}

.section-label {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.05em;
}

/* Checkbox & Radio Grid */
.checkbox-container,
.radio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
    width: 100%;
}

.checkbox-option,
.radio-option {
    position: relative;
    margin: 0;
}

.checkbox-option input[type="checkbox"],
.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: white;
    transition: var(--transition);
    min-height: 2.5rem;
    font-size: 0.95em;
    line-height: 1.4;
    width: 100%;
    margin: 0;
    box-sizing: border-box;
    position: relative;
    color: var(--text-color);
}

.checkbox-label .label-text {
    position: relative;
    top: -1px;
}

.checkbox-label:hover,
.radio-label:hover {
    border-color: var(--primary-color);
    background-color: var(--hover-color);
}

.custom-checkbox,
.custom-radio {
    display: inline-block;
    width: 1.1rem;
    height: 1.1rem;
    border: 2px solid #bdc3c7;
    margin-right: 0.75rem;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.custom-checkbox {
    border-radius: 3px;
    width: 1.1rem;
    height: 1.1rem;
    margin-right: 0.75rem;
    flex-shrink: 0;
    position: relative;
    top: -1px;
}

.custom-radio {
    border-radius: 50%;
    border: 2px solid #bdc3c7;
    width: 1.1rem;
    height: 1.1rem;
    margin-right: 0.75rem;
    position: relative;
    top: -1px;
    flex-shrink: 0;
}

input[type="checkbox"]:checked + .checkbox-label,
input[type="radio"]:checked + .radio-label {
    background-color: var(--hover-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 500;
}

input[type="checkbox"]:checked + .checkbox-label .custom-checkbox {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

input[type="checkbox"]:checked + .checkbox-label .custom-checkbox::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

input[type="radio"]:checked + .radio-label .custom-radio {
    border-color: var(--primary-color);
}

input[type="radio"]:checked + .radio-label .custom-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.6rem;
    height: 0.6rem;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    width: 100%;
    max-width: 300px;
    margin: 1.5rem auto 0;
}

.btn:hover {
    background-color: #1a252f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* Focus States */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
        margin: 0;
        border-radius: 0;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .form-row,
    .checkbox-container,
    .radio-grid {
        grid-template-columns: 1fr;
    }
}

/* Alert Styles */
.alert {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    border-radius: 6px;
    background-color: #e9f5ff;
    border: 1px solid #c2e0ff;
    color: #004085;
}

.alert-icon {
    margin-right: 0.75rem;
    font-size: 1.25rem;
    line-height: 1;
}

.alert-content {
    flex: 1;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .radio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-container {
        padding: 1rem;
    }
    
    .form-section {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .radio-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-container {
        grid-template-columns: 1fr;
    }
    
    .document-list {
        columns: 1;
    }
}

/* Document List */
.document-list {
    columns: 2;
    column-gap: 2rem;
    margin: 1rem 0;
}

.document-list-item {
    break-inside: avoid;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
}

/* Consent Section */
.consent-box {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border: 1px solid #e1e4e8;
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
}

.consent-checkbox input[type="checkbox"] {
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.consent-checkbox label {
    text-align: justify;
    text-justify: inter-word;
    line-height: 1.5;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e1e4e8;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }