.profile-container {
    max-width: 1200px;
    margin: 100px auto 40px;
    padding: 0 20px;
}

.success-message {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.5s ease;
}

.success-message h2 {
    font-size: 28px;
    margin-bottom: 15px;
    font-family: 'Poppins', sans-serif;
}

.success-message i {
    font-size: 50px;
    margin-bottom: 15px;
}

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

.progress-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    position: relative;
    flex-wrap: wrap;
    gap: 10px;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gray-200);
    z-index: 1;
}

.step {
    position: relative;
    z-index: 2;
    background: white;
    text-align: center;
    flex: 1;
    min-width: 80px;
    cursor: pointer;
}

.step.disabled-step {
    cursor: not-allowed;
    opacity: 0.6;
}

.step-icon {
    width: 50px;
    height: 50px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    color: var(--gray-600);
    font-size: 20px;
    transition: var(--transition);
    border: 3px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.step.active .step-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    transform: scale(1.1);
}

.step.completed .step-icon {
    background: var(--success);
    color: white;
}

.step span {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    display: block;
}

.step.active span {
    color: var(--primary);
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.3s ease;
}

.profile-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.profile_grid {
    display: grid;
    grid-template-columns: 280px 1fr;
}

.profile_nav {
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    padding: 30px;
    border-right: 1px solid var(--gray-200);
    min-height: 600px;
}

.nav_title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 25px;
    font-family: 'Poppins', sans-serif;
}

.nav_menu {
    list-style: none;
    padding: 0;
}

.nav_item {
    margin-bottom: 10px;
}

.nav_link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: var(--radius-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    cursor: pointer;
}

.nav_link.disabled-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.nav_link i:first-child {
    width: 20px;
    color: var(--gray-500);
}

.nav_link.active {
    background: linear-gradient(135deg, rgba(218, 11, 78, 0.1), rgba(79, 70, 229, 0.1));
    color: var(--primary);
}

.nav_link.active i:first-child {
    color: var(--primary);
}

.nav_link:hover:not(.active):not(.disabled-link) {
    background: var(--gray-100);
}

.nav_link .check-icon {
    margin-left: auto;
    color: var(--success);
    opacity: 0;
}

.nav_link.completed .check-icon {
    opacity: 1;
}

.profile-form {
    padding: 30px;
}

.form-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.form-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 25px;
    font-family: 'Poppins', sans-serif;
}

.section-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin: 25px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
}

.form-group label .required {
    color: var(--danger);
    margin-left: 4px;
}

.form-group label .info-icon {
    color: var(--gray-400);
    margin-left: 8px;
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition);
}

.form-group label .info-icon:hover {
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(218, 11, 78, 0.1);
    outline: none;
}

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
    border-color: var(--danger);
    background-color: rgba(239, 68, 68, 0.05);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: var(--gray-500);
}

.profile-image-section {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: var(--radius-lg);
    margin-bottom: 30px;
    border: 1px solid var(--gray-200);
}

.profile-image-preview {
    width: 150px;
    height: 150px;
    background: var(--gray-200);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
}

.profile-image-preview:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.profile-image-preview i {
    font-size: 50px;
    color: var(--gray-500);
}

.profile-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-upload-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.image-upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
    max-height: 500px;
    overflow-y: auto;
    padding: 10px;
}

.subject-category {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.category-header {
    background: white;
    padding: 15px;
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.category-header:hover {
    border-color: var(--primary);
}

.category-header i {
    transition: transform 0.3s;
}

.category-header.collapsed i {
    transform: rotate(-90deg);
}

.subject-list {
    padding: 10px 15px;
    display: block;
}

.subject-list.hidden {
    display: none;
}

.subject-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.subject-checkbox:hover {
    border-color: var(--primary);
    background: rgba(218, 11, 78, 0.05);
}

.subject-checkbox.selected {
    border-color: var(--primary);
    background: rgba(218, 11, 78, 0.05);
}

.subject-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.subject-checkbox label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    flex: 1;
    margin: 0;
}

.availability-form {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.availability-item {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.availability-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.availability-info {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.availability-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.availability-info i {
    color: var(--primary);
    width: 20px;
}

.delete-availability {
    color: var(--danger);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.delete-availability:hover {
    background: rgba(239, 68, 68, 0.1);
    transform: scale(1.1);
}

.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    background: var(--gray-100);
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover {
    border-color: var(--primary);
    background: rgba(218, 11, 78, 0.05);
}

.file-upload i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 10px;
}

.file-upload p {
    margin-bottom: 5px;
    font-weight: 500;
}

.checkbox-group {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius-md);
    margin: 20px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary);
}



.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--gray-200);
}

.word-count {
    display: block;
    margin-top: 5px;
    font-size: 12px;
}

.word-count.warning {
    color: var(--danger);
}

.word-count.success {
    color: var(--success);
}

.zelle-modal .modal-content {
    border-radius: 24px;
    border: none;
    overflow: hidden;
}

.zelle-modal .modal-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 20px 24px;
}

.zelle-modal .modal-header h5 {
    font-weight: 700;
    font-size: 1.25rem;
}

.zelle-modal .modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.zelle-modal .modal-body {
    padding: 28px 24px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--gray-700);
}

.zelle-modal .modal-body i {
    color: var(--primary);
    margin-right: 8px;
}

.zelle-modal .modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 16px 24px;
}

@media (max-width: 992px) {
    .profile_grid {
        grid-template-columns: 1fr;
    }
    .profile_nav {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        min-height: auto;
    }
}

@media (max-width: 768px) {
    .progress-steps::before {
        display: none;
    }
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .availability-info {
        flex-direction: column;
        gap: 8px;
    }
}