/* Form Styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #f7fafc;
}

.form-header {
    text-align: center;
    margin-bottom: 3rem;
}

.form-header h2 {
    color: #2d3748;
    margin-bottom: 1rem;
}

.form-header p {
    color: #4a5568;
    font-size: 1.1rem;
}

/* Form Sections */
.form-section {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: #f7fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.form-section h3 {
    color: #2d3748;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-section h3 i {
    color: #667eea;
    font-size: 1.2rem;
}

/* Form Rows */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2d3748;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a0aec0;
}

/* File Upload */
.file-upload {
    position: relative;
}

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

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed #cbd5e0;
    border-radius: 8px;
    background: #f7fafc;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.file-upload-label:hover {
    border-color: #667eea;
    background: #edf2f7;
}

.file-upload-label i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.file-upload-label span {
    color: #4a5568;
    font-weight: 500;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.checkbox-item:hover {
    background: #edf2f7;
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

/* Form Submit */
.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.form-submit .btn {
    min-width: 200px;
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 3rem 2rem;
    background: #f0fff4;
    border: 1px solid #9ae6b4;
    border-radius: 12px;
    margin-top: 2rem;
}

.success-icon {
    font-size: 4rem;
    color: #3B82F6;
    margin-bottom: 1.5rem;
}

.success-message h3 {
    color: #2d3748;
    margin-bottom: 1rem;
}

.success-message p {
    color: #4a5568;
    margin-bottom: 2rem;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Error Messages */
.error-message {
    color: #e53e3e;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
    min-height: 1.25rem;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #e53e3e;
}

.form-group.error label {
    color: #e53e3e;
}

/* Form Validation States */
.form-group.valid input,
.form-group.valid select,
.form-group.valid textarea {
    border-color: #3B82F6;
}

.form-group.valid label {
    color: #3B82F6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-container {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }

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

    .form-section {
        padding: 1.5rem;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .success-actions {
        flex-direction: column;
        align-items: center;
    }

    .success-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 1.5rem 1rem;
    }

    .form-section {
        padding: 1rem;
    }

    .form-submit .btn {
        width: 100%;
        min-width: auto;
    }
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Form Animations */
.form-container {
    animation: slideUp 0.6s ease-out;
}

.form-section {
    animation: fadeIn 0.8s ease-out;
}

.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; }

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

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

/* Custom Select Styling */
.form-group select {
    appearance: none;
    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 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Textarea Resize */
.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Focus Visible for Accessibility */
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Disabled State */
.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: #f7fafc;
    color: #a0aec0;
    cursor: not-allowed;
}

/* Required Field Indicator */
.form-group label.required::after {
    content: ' *';
    color: #e53e3e;
    font-weight: bold;
}