/* ===============================================
   UNIVERSAL MODAL SYSTEM STYLES
   =============================================== */

/* Modal Base Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--bg-card, #ffffff);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    animation: modalSlideIn 0.3s ease forwards;
    border: 1px solid var(--border-primary, #e2e8f0);
}

.modal-content.modal-large {
    max-width: 800px;
}

@keyframes modalSlideIn {
    to {
        transform: scale(1);
    }
}

.modal-header {
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid var(--border-primary, #e2e8f0);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary, #f8fafc);
    border-radius: 16px 16px 0 0;
}

.modal-header h2,
.modal-header h3 {
    margin: 0;
    color: var(--text-primary, #1e293b);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-header i {
    color: var(--color-primary, #3b82f6);
}

.modal-close,
.close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: all 0.3s ease;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover,
.close:hover {
    background: var(--bg-tertiary, #f1f5f9);
    color: var(--text-primary, #1e293b);
    transform: scale(1.1);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-primary, #e2e8f0);
    background: var(--bg-secondary, #f8fafc);
    border-radius: 0 0 16px 16px;
}

/* Form Styles */
.registration-form,
.login-form,
.add-hostel-form {
    max-width: none;
}

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

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--input-border, #e2e8f0);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--input-background, #ffffff);
    color: var(--input-text, #1e293b);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--input-focus, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
}

/* Checkbox Styles */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem 0;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-container {
    margin: 1rem 0;
}

.checkbox-group {
    margin: 1rem 0;
}

/* Amenities Grid */
.amenities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.checkbox-item:hover {
    background: var(--bg-secondary, #f8fafc);
    border-color: var(--color-primary, #3b82f6);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

/* File Upload Styles */
.file-upload-area {
    border: 2px dashed var(--border-primary, #e2e8f0);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--color-primary, #3b82f6);
    background: var(--bg-secondary, #f8fafc);
}

.file-upload-label {
    cursor: pointer;
    display: block;
}

.file-upload-content {
    cursor: pointer;
}

.file-upload-label i,
.file-upload-content i {
    font-size: 2rem;
    color: var(--color-primary, #3b82f6);
    margin-bottom: 1rem;
    display: block;
}

.file-upload-label span,
.file-upload-content p {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary, #1e293b);
}

.file-upload-label small,
.file-upload-content small {
    color: var(--text-secondary, #64748b);
    font-weight: 400;
}

.hidden-input {
    display: none;
}

.hidden {
    display: none !important;
}

/* Photo Preview */
.photo-preview {
    position: relative;
    display: inline-block;
    margin-top: 1rem;
}

.photo-preview img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border-primary, #e2e8f0);
}

.remove-photo {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--color-error, #ef4444);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.remove-photo:hover {
    background: var(--error-600, #dc2626);
    transform: scale(1.1);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--color-primary, #3b82f6);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary {
    background: var(--color-primary, #3b82f6);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary, #3b82f6);
    border-color: var(--color-primary, #3b82f6);
}

.btn-outline:hover {
    background: var(--color-primary, #3b82f6);
    color: white;
}

.full-width {
    width: 100%;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-primary, #e2e8f0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal {
        padding: 0.5rem;
    }
    
    .modal-content {
        max-width: 100%;
        margin: 0;
        border-radius: 12px;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .amenities-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Dark Theme Support */
[data-theme="dark"] .modal {
    background: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .modal-content {
    background: var(--bg-card);
    border-color: var(--border-primary);
}

[data-theme="dark"] .checkbox-item {
    border-color: var(--border-primary);
}

[data-theme="dark"] .checkbox-item:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .file-upload-area {
    border-color: var(--border-primary);
}

[data-theme="dark"] .file-upload-area:hover {
    background: var(--bg-tertiary);
}