/* ========== MODERN FORM STYLING ========== */
:root {
    --primary-color: #f59e0b;
    --primary-light: #fbbf24;
    --primary-dark: #d97706;
    --secondary-color: #6366f1;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Form Animations */
.form-section {
    opacity: 0;
    animation: slideInUp 0.8s ease-out forwards;
}

.form-section:nth-child(1) { animation-delay: 0.1s; }
.form-section:nth-child(2) { animation-delay: 0.2s; }
.form-section:nth-child(3) { animation-delay: 0.3s; }
.form-section:nth-child(4) { animation-delay: 0.4s; }
.form-section:nth-child(5) { animation-delay: 0.5s; }
.form-section:nth-child(6) { animation-delay: 0.6s; }

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced Input Groups */
.input-group {
    position: relative;
    margin-bottom: 1.75rem;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    color: var(--gray-700);
    box-shadow: var(--shadow-sm);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1), var(--shadow-md);
    transform: translateY(-2px);
}

.input-group input:hover,
.input-group select:hover,
.input-group textarea:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

/* Floating Labels */
.input-group label {
    position: absolute;
    left: 1.25rem;
    top: 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-500);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    background: white;
    padding: 0 0.5rem;
    border-radius: 0.25rem;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label,
.input-group select:focus + label,
.input-group select:not([value=""]) + label,
.input-group textarea:focus + label,
.input-group textarea:not(:placeholder-shown) + label {
    top: -0.625rem;
    left: 0.875rem;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    background: linear-gradient(to right, white 0%, white 100%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* Enhanced Section Headers */
.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    border-radius: 1.25rem;
    color: var(--gray-800);
    font-weight: 700;
    font-size: 1.25rem;
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.section-header:hover::before {
    left: 100%;
}

.section-header i {
    margin-right: 1rem;
    font-size: 1.5rem;
    opacity: 0.9;
}

/* Advanced Upload Area */
.upload-area {
    border: 3px dashed var(--gray-300);
    border-radius: 1.25rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, var(--gray-50), white);
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(245, 158, 11, 0.05) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #fef3c7, #fef7e3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.upload-area:hover::before {
    opacity: 1;
}

.upload-area.dragover {
    border-color: var(--success-color);
    background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
    transform: scale(1.02);
}

.upload-area input[type="file"] {
    display: none;
}

.upload-area label {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 1;
    position: relative;
    width: 100%;
}

.upload-icon {
    font-size: 4rem;
    color: var(--gray-400);
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.upload-area:hover .upload-icon {
    color: var(--primary-color);
    transform: scale(1.1);
}

.upload-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.upload-subtext {
    font-size: 1rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.upload-info {
    font-size: 0.875rem;
    color: var(--gray-400);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2rem;
    border: 1px solid var(--gray-200);
}

/* Image Preview Enhancement */
.image-preview-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 1.25rem;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.image-preview-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color), var(--primary-color));
    background-size: 200% 100%;
    animation: gradient-flow 3s infinite;
}

@keyframes gradient-flow {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.preview-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remove-image {
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.remove-image:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.preview-image {
    max-width: 300px;
    max-height: 300px;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    border: 3px solid white;
    transition: transform 0.3s ease;
}

.preview-image:hover {
    transform: scale(1.05);
}

.file-info {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.file-info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.file-info-label {
    color: var(--gray-600);
    font-weight: 500;
}

.file-info-value {
    color: var(--gray-800);
    font-weight: 600;
}

/* Enhanced Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.9);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light), var(--success-color));
    width: 0%;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progress-shine 2s infinite;
}

@keyframes progress-shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Enhanced Form Card */
.form-card {
    background: white;
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--gray-100);
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light), var(--secondary-color), var(--primary-color));
    background-size: 300% 100%;
    animation: rainbow-border 4s infinite;
}

@keyframes rainbow-border {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Enhanced Submit Button */
.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 1.25rem 3rem;
    border: none;
    border-radius: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    width: 100%;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.4);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:active {
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Enhanced Select Styling */
.input-group select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1.5rem 1.5rem;
    padding-right: 3rem;
    appearance: none;
}

/* Enhanced Gender Selection */
.gender-selection {
    margin-top: 0.5rem;
}

.gender-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.gender-option {
    position: relative;
}

.gender-option input[type="radio"] {
    display: none;
}

.gender-option label {
    display: block;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.gender-option label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.1), transparent);
    transition: left 0.3s;
}

.gender-option input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #fef3c7, #fef7e3);
    color: var(--primary-dark);
    font-weight: 700;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gender-option label:hover {
    border-color: var(--primary-color);
    background: #fef3c7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gender-option label:hover::before {
    left: 100%;
}

/* Enhanced Photo Upload */
.photo-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--gray-50), white);
    border-radius: 1.5rem;
    border: 2px dashed var(--gray-300);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.photo-upload-area:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #fef3c7, #fef7e3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.current-photo {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 1.5rem;
    border: 4px solid white;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.current-photo:hover {
    transform: scale(1.05);
}

.photo-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 1.5rem;
    border: 4px solid white;
    box-shadow: var(--shadow-lg);
    color: var(--gray-500);
    font-size: 1rem;
    font-weight: 500;
}

.photo-placeholder i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    opacity: 0.7;
}

.file-upload-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.file-upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.file-upload-btn input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Cancel Button */
.cancel-btn {
    background: linear-gradient(135deg, var(--gray-600), var(--gray-700));
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.cancel-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cancel-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--gray-700), var(--gray-800));
}

.cancel-btn:hover::before {
    left: 100%;
}

/* Required Field Styling */
.required-asterisk {
    color: var(--error-color);
    font-weight: bold;
    font-size: 1.1em;
}

/* Error States */
.input-error {
    border-color: var(--error-color) !important;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1) !important;
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Success States */
.input-success {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1) !important;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .gender-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-header {
        padding: 1rem 1.5rem;
        font-size: 1.125rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
        min-height: 150px;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    .submit-btn {
        padding: 1rem 2rem;
        font-size: 1.125rem;
    }
    
    .current-photo,
    .photo-placeholder {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .gender-options {
        grid-template-columns: 1fr;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
}