/* ========================================
   INSTRUCTOR SPECIFIC STYLES
   ======================================== */

/* Color Scheme (same as main site) */
:root {
    --primary-dark: #1c1e53;
    --secondary-dark: #282938;
    --accent-gold: #fcd980;
    --accent-gold-hover: #ffcb45;
    --background-light: #f8f9fa;
    --text-dark: #282938;
    --text-gray: #666;
    --border-gray: #e0e0e0;
    --white: #ffffff;
}

/* ========================================
   INSTRUCTOR REGISTRATION PAGE
   ======================================== */

.instructor-register {
    background: linear-gradient(135deg, var(--background-light) 0%, #e9ecef 100%);
}

.instructor-auth-wrapper {
    max-width: 1000px;
    width: 100%;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Header Section with Gradient */
.instructor-form-header-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.instructor-form-header-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(252, 217, 128, 0.1);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.instructor-form-header-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(252, 217, 128, 0.08);
    border-radius: 50%;
    bottom: -150px;
    left: -150px;
}

.instructor-header-content {
    position: relative;
    z-index: 1;
}

.header-icon {
    width: 100px;
    height: 100px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    box-shadow: 0 10px 30px rgba(252, 217, 128, 0.3);
    transition: all 0.3s ease;
}

.header-icon:hover {
    transform: scale(1.05);
}

.header-icon i {
    font-size: 3rem;
    color: var(--primary-dark);
}

.instructor-header-content h1 {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 15px;
    font-weight: 700;
}

.instructor-header-content p {
    font-size: 1.2rem;
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Mini Benefits Display */
.instructor-benefits-mini {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.instructor-benefits-mini span {
    color: var(--white);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.instructor-benefits-mini span:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.instructor-benefits-mini span i {
    color: var(--accent-gold);
}

/* Form Container */
.instructor-form-container {
    padding: 60px 60px;
    background: var(--white);
}

.instructor-form-container .auth-form-header {
    text-align: center;
    margin-bottom: 40px;
}

.instructor-form-container .auth-form-header h1 {
    color: var(--primary-dark);
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.instructor-form-container .auth-form-header p {
    color: var(--text-gray);
    font-size: 1rem;
}

/* Form Sections */
.instructor-form-container .form-group {
    margin-bottom: 25px;
}

.instructor-form-container .form-group label {
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.instructor-form-container input[type="text"],
.instructor-form-container input[type="email"],
.instructor-form-container input[type="tel"],
.instructor-form-container input[type="url"],
.instructor-form-container input[type="password"],
.instructor-form-container textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    background-color: var(--background-light);
}

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

.instructor-form-container input:focus,
.instructor-form-container textarea:focus {
    outline: none;
    background-color: var(--white);
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 4px rgba(252, 217, 128, 0.1);
}

.instructor-form-container .form-hint {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 6px;
    font-style: italic;
}

/* Password Wrapper for Instructor Form */
.instructor-form-container .password-wrapper {
    position: relative;
}

.instructor-form-container .password-wrapper input {
    padding-right: 50px;
}

.instructor-form-container .toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: 10px;
    transition: color 0.3s ease;
}

.instructor-form-container .toggle-password:hover {
    color: var(--primary-dark);
}

/* Submit Button for Instructor */
.instructor-form-container .auth-submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-hover) 100%);
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(252, 217, 128, 0.3);
}

.instructor-form-container .auth-submit-btn:hover {
    background: linear-gradient(135deg, var(--accent-gold-hover) 0%, var(--accent-gold) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(252, 217, 128, 0.5);
}

.instructor-form-container .auth-submit-btn:active {
    transform: translateY(-1px);
}

/* Footer Link */
.instructor-form-container .auth-footer {
    text-align: center;
    margin-top: 30px;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.instructor-form-container .auth-footer a {
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.instructor-form-container .auth-footer a:hover {
    color: var(--accent-gold);
}

/* Alert Messages */
.instructor-form-container .alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.instructor-form-container .alert-danger {
    background-color: #fee;
    color: #c33;
    border: 2px solid #fcc;
}

.instructor-form-container .alert-success {
    background-color: #efe;
    color: #3c3;
    border: 2px solid #cfc;
}

.instructor-form-container .alert ul {
    margin: 0;
    padding-left: 20px;
}

.instructor-form-container .alert li {
    margin: 5px 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 992px) {
    .instructor-form-header-section {
        padding: 50px 30px;
    }

    .instructor-header-content h1 {
        font-size: 2.2rem;
    }

    .instructor-form-container {
        padding: 50px 40px;
    }
}

@media (max-width: 768px) {
    .instructor-form-header-section {
        padding: 40px 20px;
    }

    .instructor-header-content h1 {
        font-size: 2rem;
    }

    .instructor-header-content p {
        font-size: 1rem;
    }

    .instructor-benefits-mini {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .instructor-form-container {
        padding: 40px 25px;
    }

    .header-icon {
        width: 80px;
        height: 80px;
    }

    .header-icon i {
        font-size: 2.5rem;
    }

    .instructor-form-container .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .instructor-form-header-section {
        padding: 30px 15px;
    }

    .instructor-header-content h1 {
        font-size: 1.75rem;
    }

    .instructor-form-container {
        padding: 30px 20px;
    }

    .instructor-form-container .auth-submit-btn {
        padding: 16px;
        font-size: 1rem;
    }
}

/* ========================================
   ENHANCED FILE INPUT STYLING
   ======================================== */

.file-input-wrapper {
    position: relative;
}

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

.file-input-display {
    border: 2px dashed var(--accent-gold);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(252, 217, 128, 0.05) 0%, rgba(252, 217, 128, 0.02) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    min-height: 120px;
}

.file-input-display:hover {
    background: linear-gradient(135deg, rgba(252, 217, 128, 0.1) 0%, rgba(252, 217, 128, 0.05) 100%);
    border-color: var(--accent-gold-hover);
    transform: translateY(-2px);
}

.file-input-display.drag-over {
    background: linear-gradient(135deg, rgba(252, 217, 128, 0.15) 0%, rgba(252, 217, 128, 0.1) 100%);
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 4px rgba(252, 217, 128, 0.2);
}

.file-input-icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
    transition: all 0.3s ease;
}

.file-input-display:hover .file-input-icon {
    color: var(--accent-gold-hover);
    transform: scale(1.1);
}

.file-input-text {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.file-input-label {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1rem;
}

.file-input-hint {
    color: var(--text-gray);
    font-size: 0.9rem;
    font-style: italic;
}

/* Selected File Display */
.file-selected-display {
    padding: 20px;
    background: linear-gradient(135deg, rgba(40, 255, 80, 0.08) 0%, rgba(40, 255, 80, 0.02) 100%);
    border: 2px solid rgba(40, 255, 80, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: space-between;
}

#profileSelectedDisplay {
    background: transparent;
    border: none;
    padding: 0;
}

.profile-image-delete-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background: rgba(231, 76, 60, 0.9);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.profile-image-delete-btn:hover {
    background: rgba(192, 57, 43, 1);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.profile-image-delete-btn i {
    font-size: 0.8rem;
}

.file-selected-display i {
    color: #28cc50;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.file-selected-display span {
    flex: 1;
    min-width: 150px;
    word-break: break-word;
    color: var(--primary-dark);
    font-weight: 500;
}

.file-clear-btn {
    background: rgba(255, 0, 0, 0.1);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #e74c3c;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.file-clear-btn:hover {
    background: rgba(255, 0, 0, 0.2);
    transform: scale(1.1);
}

.file-clear-btn i {
    font-size: 1rem;
}

.file-view-btn {
    background: rgba(252, 217, 128, 0.15);
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    border-radius: 6px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.file-view-btn:hover {
    background: rgba(252, 217, 128, 0.25);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(252, 217, 128, 0.3);
}

.file-view-btn:active {
    transform: scale(0.95);
}

/* Certification Files List */
#certificationFilesList {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.file-list-item-with-preview {
    background: var(--background-light);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-gray);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.file-list-item-with-preview:hover {
    background: var(--white);
    border-color: var(--accent-gold);
    box-shadow: 0 4px 12px rgba(252, 217, 128, 0.2);
}

.cert-item-preview {
    position: relative;
    width: 100%;
    height: 120px;
    overflow: hidden;
    background: var(--background-light);
}

.cert-item-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.file-item-remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(231, 76, 60, 0.9);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all 0.2s ease;
    opacity: 0;
}

.cert-item-preview:hover .file-item-remove-btn {
    opacity: 1;
}

.file-item-remove-btn:hover {
    background: rgba(192, 57, 43, 1);
    transform: scale(1.1);
}

.file-item-remove-btn i {
    font-size: 0.8rem;
}

.cert-item-info {
    padding: 10px 8px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.cert-item-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cert-item-size {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin-top: 2px;
}

.file-list-item {
    background: var(--background-light);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-gray);
    transition: all 0.3s ease;
    position: relative;
}

.file-list-item:hover {
    background: var(--white);
    border-color: var(--accent-gold);
    box-shadow: 0 4px 12px rgba(252, 217, 128, 0.2);
}

.file-list-item i {
    color: #28cc50;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.file-list-item span {
    flex: 1;
    font-size: 0.85rem;
    word-break: break-word;
    color: var(--primary-dark);
    font-weight: 500;
}

.file-item-remove {
    background: none;
    border: none;
    color: #e74c3c;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.file-item-remove:hover {
    color: #c0392b;
    transform: scale(1.2);
}

/* Add More Button */
.file-add-more-btn {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-hover) 100%);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    color: var(--text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: center;
}

.file-add-more-btn:hover {
    background: linear-gradient(135deg, var(--accent-gold-hover) 0%, var(--accent-gold) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(252, 217, 128, 0.3);
}

.file-add-more-btn i {
    font-size: 1rem;
}

/* Responsive File Input */
@media (max-width: 768px) {
    .file-input-display {
        padding: 30px 15px;
        min-height: 100px;
        gap: 10px;
    }

    .file-input-icon {
        font-size: 2rem;
    }

    .file-input-label {
        font-size: 0.95rem;
    }

    #certificationFilesList {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 10px;
    }

    .cert-item-preview {
        height: 100px;
    }

    .cert-item-info {
        padding: 8px 6px;
    }

    .cert-item-name {
        font-size: 0.75rem;
    }

    .file-selected-display {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .file-input-display {
        padding: 20px 10px;
        min-height: 80px;
        gap: 8px;
    }

    .file-input-icon {
        font-size: 1.8rem;
    }

    .file-input-label {
        font-size: 0.85rem;
    }

    #certificationFilesList {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 8px;
    }

    .cert-item-preview {
        height: 80px;
    }

    .cert-item-name {
        font-size: 0.7rem;
    }

    .cert-item-size {
        font-size: 0.65rem;
    }

    .file-item-remove-btn {
        width: 24px;
        height: 24px;
    }

    .file-item-remove-btn i {
        font-size: 0.7rem;
    }

    .image-viewer-modal {
        padding: 10px;
    }

    .image-viewer-img {
        max-height: calc(100vh - 100px);
    }

    .image-viewer-nav {
        width: 32px;
        height: 32px;
    }

    .image-viewer-nav i {
        font-size: 0.8rem;
    }

    .image-preview-container:hover .image-view-overlay {
        opacity: 1;
    }

    .image-preview-container.profile-preview:hover {
        transform: scale(1.02);
        box-shadow: 0 6px 16px rgba(252, 217, 128, 0.25);
    }

    .image-preview-container.cert-preview:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(252, 217, 128, 0.2);
    }
}

/* ========================================
   IMAGE PREVIEW & VIEWER
   ======================================== */

.image-preview-container {
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
}

.image-preview-container img {
    display: block;
    width: 100%;
    height: 100%;
}

.image-view-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(28, 30, 83, 0.7);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--accent-gold);
    backdrop-filter: blur(2px);
}

.image-preview-container:hover .image-view-overlay {
    opacity: 1;
}

.image-preview-container.profile-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(252, 217, 128, 0.3);
}

.image-preview-container.cert-preview:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(252, 217, 128, 0.25);
}

.image-view-overlay i {
    animation: magnifyPulse 0.6s ease;
}

@keyframes magnifyPulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ========================================
   IMAGE VIEWER MODAL
   ======================================== */

.image-viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 20px;
    animation: fadeIn 0.3s ease;
    cursor: pointer;
}

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

.image-viewer-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    pointer-events: auto;
}

.image-viewer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(252, 217, 128, 0.3);
    color: white;
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 3100;
    line-height: 1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.image-viewer-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-gold);
    transform: rotate(90deg);
}

.image-viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.image-viewer-img {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.image-viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(252, 217, 128, 0.15);
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    font-size: 1.2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 3100;
}

.image-viewer-nav:hover {
    background: rgba(252, 217, 128, 0.25);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px rgba(252, 217, 128, 0.5);
}

.image-viewer-nav.prev {
    left: 20px;
}

.image-viewer-nav.next {
    right: 20px;
}

.image-viewer-footer {
    display: flex;
    align-items: center;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    width: 100%;
    max-width: 800px;
}

.image-counter {
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 1rem;
}

.image-filename {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    word-break: break-word;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

/* Responsive for smaller screens */
@media (max-width: 768px) {
    .image-viewer-modal {
        padding: 10px;
    }

    .image-viewer-close {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
        top: 12px;
        right: 12px;
        background: rgba(255, 255, 255, 0.12);
        border: 2px solid rgba(252, 217, 128, 0.4);
    }

    .image-viewer-img {
        max-width: 95%;
        max-height: 80vh;
    }

    .image-viewer-nav {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .image-viewer-footer {
        gap: 15px;
        padding: 15px;
        max-width: 90%;
        font-size: 0.9rem;
    }

    .image-counter {
        font-size: 0.9rem;
    }

    .image-filename {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .image-viewer-container {
        gap: 10px;
    }

    .image-viewer-nav {
        width: 42px;
        height: 42px;
        font-size: 0.9rem;
    }

    .image-viewer-nav.prev {
        left: 12px;
    }

    .image-viewer-nav.next {
        right: 12px;
    }

    .image-viewer-close {
        width: 36px;
        height: 36px;
        top: 12px;
        right: 12px;
        font-size: 1.1rem;
        background: rgba(255, 255, 255, 0.15);
        border: 2px solid rgba(252, 217, 128, 0.5);
        min-width: 36px;
    }

    .image-viewer-img {
        max-width: 98%;
        max-height: 70vh;
        border-radius: 8px;
    }

    .image-viewer-footer {
        flex-direction: column;
        gap: 10px;
        padding: 10px;
        width: 95%;
        max-width: 100%;
    }

    .image-filename {
        font-size: 0.8rem;
    }
}

/* ========================================
   RESUME VIEWER MODAL - FULLY RESPONSIVE
   ======================================== */

.resume-viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0;
    animation: fadeIn 0.3s ease;
    cursor: pointer;
    overflow: hidden;
}

.resume-viewer-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(28, 30, 83, 0.95);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 100%;
    max-height: 100%;
    pointer-events: auto;
}

.resume-viewer-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(231, 76, 60, 0.9);
    border: none;
    color: white;
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 3100;
    padding: 0;
    min-width: 40px;
    line-height: 1;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.resume-viewer-close:hover {
    background: rgba(231, 76, 60, 1);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

.resume-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    border-bottom: 2px solid var(--accent-gold);
    width: 100%;
    flex-shrink: 0;
    min-height: 60px;
}

.resume-viewer-header h2 {
    color: var(--accent-gold);
    font-size: 1.1rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    min-width: 0;
}

.resume-viewer-header h2 i {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.resume-filename {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

.resume-viewer-container {
    flex: 1;
    width: 100%;
    height: 100%;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    -webkit-overflow-scrolling: touch;
}

.resume-viewer-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
    border-radius: 0;
    margin: 0;
    padding: 0;
}

/* Desktop - 1024px and above */
@media (min-width: 1024px) {
    .resume-viewer-content {
        border-radius: 12px;
        max-width: 90%;
        max-height: 95vh;
    }

    .resume-viewer-header {
        padding: 20px 30px;
        min-height: 70px;
    }

    .resume-viewer-header h2 {
        font-size: 1.3rem;
        gap: 10px;
    }

    .resume-viewer-header h2 i {
        font-size: 1.5rem;
    }

    .resume-filename {
        font-size: 0.95rem;
        max-width: 500px;
    }

    .resume-viewer-close {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
        top: 20px;
        right: 20px;
    }
}

/* Tablet - 768px to 1023px */
@media (max-width: 1023px) and (min-width: 769px) {
    .resume-viewer-content {
        border-radius: 8px;
        max-width: 95%;
        max-height: 92vh;
    }

    .resume-viewer-header {
        padding: 16px 25px;
        min-height: 65px;
    }

    .resume-viewer-header h2 {
        font-size: 1.15rem;
        gap: 8px;
    }

    .resume-viewer-header h2 i {
        font-size: 1.3rem;
    }

    .resume-filename {
        font-size: 0.9rem;
        max-width: 350px;
    }

    .resume-viewer-close {
        width: 37px;
        height: 37px;
        font-size: 1.3rem;
        top: 16px;
        right: 16px;
    }
}

/* Small Tablet/Large Phone - 600px to 768px */
@media (max-width: 768px) and (min-width: 600px) {
    .resume-viewer-modal {
        padding: 8px;
    }

    .resume-viewer-content {
        border-radius: 6px;
        max-width: 100%;
        max-height: 90vh;
    }

    .resume-viewer-header {
        padding: 14px 18px;
        min-height: 60px;
        gap: 8px;
    }

    .resume-viewer-header h2 {
        font-size: 1rem;
        gap: 6px;
    }

    .resume-viewer-header h2 i {
        font-size: 1.1rem;
    }

    .resume-filename {
        font-size: 0.8rem;
        max-width: 280px;
    }

    .resume-viewer-close {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
        top: 12px;
        right: 12px;
    }
}

/* Mobile - 481px to 599px */
@media (max-width: 599px) and (min-width: 481px) {
    .resume-viewer-modal {
        padding: 6px;
    }

    .resume-viewer-content {
        border-radius: 4px;
        max-width: 100%;
        max-height: 88vh;
    }

    .resume-viewer-header {
        padding: 12px 15px;
        min-height: 55px;
        gap: 6px;
    }

    .resume-viewer-header h2 {
        font-size: 0.95rem;
        gap: 5px;
    }

    .resume-viewer-header h2 i {
        font-size: 1rem;
    }

    .resume-filename {
        font-size: 0.75rem;
        max-width: 200px;
    }

    .resume-viewer-close {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
        top: 12px;
        right: 12px;
        padding: 0;
        min-width: 36px;
    }
}

/* Small Mobile - 360px to 480px (iPhone 12 Pro, iPhone XE, etc.) */
@media (max-width: 480px) {
    .resume-viewer-modal {
        padding: 0;
    }

    .resume-viewer-content {
        border-radius: 0;
        max-width: 100%;
        max-height: 100%;
        width: 100%;
        height: 100%;
    }

    .resume-viewer-header {
        padding: 11px 15px;
        min-height: 50px;
        gap: 5px;
        padding-right: 50px;
    }

    .resume-viewer-header h2 {
        font-size: 0.9rem;
        gap: 4px;
    }

    .resume-viewer-header h2 i {
        font-size: 0.95rem;
        flex-shrink: 0;
    }

    .resume-filename {
        font-size: 0.7rem;
        max-width: 150px;
    }

    .resume-viewer-close {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
        top: 10px;
        right: 10px;
        padding: 0;
        min-width: 36px;
        background: rgba(231, 76, 60, 0.95);
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
    }
}

/* Extra Small Mobile - below 360px */
@media (max-width: 359px) {
    .resume-viewer-modal {
        padding: 0;
    }

    .resume-viewer-content {
        border-radius: 0;
        max-width: 100%;
        max-height: 100%;
        width: 100%;
        height: 100%;
    }

    .resume-viewer-header {
        padding: 10px 12px;
        min-height: 48px;
        gap: 4px;
        padding-right: 45px;
    }

    .resume-viewer-header h2 {
        font-size: 0.85rem;
        gap: 3px;
    }

    .resume-viewer-header h2 i {
        font-size: 0.9rem;
        flex-shrink: 0;
    }

    .resume-filename {
        font-size: 0.65rem;
        max-width: 120px;
    }

    .resume-viewer-close {
        width: 34px;
        height: 34px;
        font-size: 1rem;
        top: 9px;
        right: 9px;
        padding: 0;
        min-width: 34px;
        background: rgba(231, 76, 60, 0.95);
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
    }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) {
    .resume-viewer-modal {
        padding: 0;
    }

    .resume-viewer-content {
        max-height: 98vh;
    }

    .resume-viewer-header {
        padding: 8px 15px;
        min-height: 45px;
        padding-right: 45px;
    }

    .resume-viewer-header h2 {
        font-size: 0.9rem;
    }

    .resume-filename {
        font-size: 0.7rem;
    }

    .resume-viewer-close {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
        top: 8px;
        right: 8px;
        background: rgba(231, 76, 60, 0.95);
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
    }
}

/* Image Viewer Landscape */
@media (max-height: 500px) {
    .image-viewer-close {
        width: 34px;
        height: 34px;
        font-size: 1rem;
        top: 10px;
        right: 10px;
    }
}

/* ========================================
   INSTRUCTOR CATEGORIES CARD
   ======================================== */

.instructor-categories-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ecf0f1 100%);
    border: 2px solid var(--border-gray);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.instructor-categories-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-gold);
}

.categories-card-header {
    margin-bottom: 1.5rem;
}

.categories-card-header h3 {
    color: var(--primary-dark);
    font-size: 1.3rem;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.categories-card-header h3 i {
    color: var(--accent-gold);
    font-size: 1.5rem;
}

.categories-card-header p {
    color: var(--text-gray);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Categories Container */
.categories-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Category Badge (Checkbox) */
.category-badge {
    position: relative;
    cursor: pointer;
}

.category-badge input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.category-badge-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.2rem;
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
    color: var(--text-dark);
}

.category-badge-content i {
    font-size: 1.2rem;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

/* Hover State */
.category-badge:hover .category-badge-content {
    border-color: var(--accent-gold);
    background: rgba(252, 217, 128, 0.05);
}

.category-badge:hover .category-badge-content i {
    color: var(--accent-gold);
}

/* Checked State */
.category-badge input[type="checkbox"]:checked + .category-badge-content {
    background: linear-gradient(135deg, rgba(252, 217, 128, 0.15) 0%, rgba(252, 217, 128, 0.08) 100%);
    border-color: var(--accent-gold);
    color: var(--primary-dark);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(252, 217, 128, 0.2);
}

.category-badge input[type="checkbox"]:checked + .category-badge-content i {
    color: var(--accent-gold);
}

/* Responsive Grid */
@media (max-width: 768px) {
    .instructor-categories-card {
        padding: 1.5rem;
    }

    .categories-container {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.8rem;
    }

    .category-badge-content {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    .categories-card-header h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .instructor-categories-card {
        padding: 1rem;
        margin: 1.5rem 0;
    }

    .categories-container {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.6rem;
    }

    .category-badge-content {
        padding: 0.7rem 0.8rem;
        font-size: 0.85rem;
    }

    .category-badge-content i {
        font-size: 1rem;
    }

    .categories-card-header h3 {
        font-size: 1rem;
        gap: 0.5rem;
    }

    .categories-card-header h3 i {
        font-size: 1.2rem;
    }

    .categories-card-header p {
        font-size: 0.85rem;
    }
}