:root {
            --primary: rgb(23, 15, 61);
            --secondary: rgba(23, 15, 61, 0.8);
            --accent: rgb(255, 38, 0);
            --light-accent: rgba(255, 38, 0, 0.1);
            --text: #2c2c2c;
            --light-text: #6c757d;
            --background: #f5f5f5;
            --card-bg: #ffffff;
            --border: #e0e0e0;
            --success: #28a745;
            --warning: #ffc107;
            --danger: #dc3545;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Roboto', sans-serif;
        }
        
        body {
            background-color: var(--background);
            color: var(--text);
            line-height: 1.6;
        }

        hr{
            margin: 15px auto !important;
            border: 0.5px solid rgb(255, 38, 0);
            
        }

        #presentations{
            padding: 2% !important;
        }
        .section-title {
            font-size: 1.25rem
        }
        .ponencia-affiliation {
            font-style: italic;
            opacity: .85;
            font-size: .95rem
        }
        .ponencia-content {
            margin: 1.25rem 0;
                font-family: Roboto,sans-serif;
                text-align: justify;
                font-size: 1.1rem;
                padding: 1% 2%
            }

            .ponencia-content p {
                margin-bottom: 1rem;
                font-family: Roboto,sans-serif
            }
            .ponencia-coauthor {
                font-size: 1rem;
                margin: 3px 0;
                opacity: .9
            }

            .coautores-header {
                margin: 8px 0;
                padding-left: 15px;
                border-left: 3px solid hsla(0,0%,100%,.3)
            }
        /* Header */
        .header {
            background: var(--primary);
            color: white;
            padding: 15px 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 15px;
        }
        
        .logo-text h1 {
            font-size: 1.3rem;
            font-weight: 500;
        }
        
        .logo-text span {
            font-size: 0.8rem;
            opacity: 0.8;
        }
        
        .user-profile {
            display: flex;
            align-items: center;
        }
        
        .user-profile img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-right: 10px;
            object-fit: cover;
        }
        
        .user-info h4 {
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .user-info p {
            font-size: 0.8rem;
            opacity: 0.8;
        }
        
        /* Navigation */
        .nav-container {
            background: white;
            border-bottom: 1px solid var(--border);
            padding: 0 25px;
            display: flex;
            justify-content: center;
        }
        
        .nav-tabs {
            display: flex;
            max-width: 1200px;
            width: 100%;
            justify-content: center;
        }
        
        .nav-tab {
            padding: 15px 20px;
            text-decoration: none;
            color: var(--light-text);
            font-weight: 500;
            font-size: 0.9rem;
            border-bottom: 3px solid transparent;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            white-space: nowrap;
        }

        .linkInicio{
            padding: 15px 20px;
            text-decoration: none;
            color: var(--light-text);
            font-weight: 500;
            font-size: 0.9rem;
            border-bottom: 3px solid transparent;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            white-space: nowrap;
        }
        
        .nav-tab i {
            margin-right: 8px;
        }
        
        .nav-tab.active, .nav-tab:hover {
            color: var(--primary);
            border-bottom: 3px solid var(--accent);
        }
        
        /* Main Container */
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* Tab Content */
        .tab-content {
            display: none;
            animation: fadeIn 0.5s;
        }
        
        .tab-content.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        /* Welcome Section */
        .welcome-section {
            background: var(--primary);
            color: white;
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .welcome-section a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .welcome-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }
        
        .welcome-content {
            position: relative;
            z-index: 2;
        }
        
        .welcome-section h2 {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        
        .welcome-section p {
            font-size: 1rem;
            opacity: 0.9;
            max-width: 700px;
        }
        
        /* Cards */
        .card {
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }
        
        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 15px;
        }
        
        .card-title {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary);
        }
        
        .btn {
            padding: 8px 15px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
        }
        
        .btn i {
            margin-right: 8px;
        }
        
        .btn-primary {
            background: var(--accent);
            color: white;
        }
        
        .btn-primary:hover {
            background: rgb(230, 34, 0);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(255, 38, 0, 0.2);
        }
        
        .btn-secondary {
            background: white !important;
            color: var(--primary);
            border: 1px solid var(--border);
        }
        
        .btn-secondary:hover {
            background: var(--background);
        }
        
        /* Tables */
        .table-responsive {
            overflow-x: auto;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
        }
        
        thead {
            background: var(--background);
        }
        
        th {
            padding: 12px 15px;
            text-align: left;
            font-weight: 500;
            color: var(--light-text);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        td {
            padding: 15px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        
        tr:last-child td {
            border-bottom: none;
        }
        
        .badge {
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        
        .badge-success {
            background: rgba(40, 167, 69, 0.1);
            color: var(--success);
        }
        
        .badge-warning {
            background: rgba(255, 193, 7, 0.1);
            color: var(--warning);
        }
        
        .badge-danger {
            background: rgba(255, 1, 26, 0.884);
            color: var(--danger);
        }
        
        .badge-primary {
            background: rgba(23, 15, 61, 0.1);
            color: var(--primary);
        }
        
        .action-btn {
            color: var(--primary);
            background: transparent;
            border: none;
            cursor: pointer;
            margin-right: 10px;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        
        .action-btn:hover {
            color: var(--accent);
            transform: scale(1.1);
        }
        
        /* Forms */
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--primary);
        }
        
        .form-control {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid var(--border);
            border-radius: 5px;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px var(--light-accent);
        }
        
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        
        /* Grid */
        .grid-1 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }
        
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .grid-3 img, .grid-2 img, .grid-1 img {
            width: 150px;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        /* Alert */
        .alert {
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .alert i {
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        .alert-success {
            background: rgba(40, 167, 69, 0.1);
            color: var(--success);
            border-left: 4px solid var(--success);
        }
        
        .alert-warning {
            background: rgba(255, 193, 7, 0.1);
            color: var(--warning);
            border-left: 4px solid var(--warning);
        }
        .alert-danger {
            background: rgba(255, 0, 0, 0.1);
            color: red;
            border-left: 4px solid red;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .nav-tabs {
                overflow-x: auto;
                justify-content: flex-start;
                padding-bottom: 5px;
            }
            
            .nav-tab {
                padding: 15px 12px;
                font-size: 0.85rem;
            }
        }
        
        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                align-items: flex-start;
                padding: 15px;
            }
            
            .user-profile {
                margin-top: 15px;
                width: 100%;
                justify-content: flex-end;
            }
            
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .footer {
    background: var(--primary);
    color: #fff;
    padding: 40px 20px;
    text-align: center;
    
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto
}

.social-links {
    margin-top: 20px
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    margin: 0 15px;
    transition: all .3s ease
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-2px)
}


/* Estilos específicos para la página de Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--background);
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--orange-gradient);
}

.login-header {
    margin-bottom: 30px;
}

.login-logo {
    width: 80px;
    height: auto;
    margin-bottom: 15px;
}

.login-title {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.login-subtitle {
    color: var(--light-text);
    font-size: 1rem;
}

.login-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.login-form .form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.login-form .form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.login-form .form-control:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--light-accent);
}

.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input {
    margin-right: 8px;
}

.forgot-password {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s;
}

.forgot-password:hover {
    text-decoration: underline;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--orange-gradient);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 38, 0, 0.3);
}

.login-divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: var(--light-text);
    font-size: 0.9rem;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.login-divider::before {
    margin-right: 15px;
}

.login-divider::after {
    margin-left: 15px;
}

.social-login {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.social-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-btn.google { color: #DB4437; }
.social-btn.facebook { color: #4267B2; }
.social-btn.twitter { color: #1DA1F2; }

.login-footer {
    font-size: 0.9rem;
    color: var(--light-text);
}

.login-footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .login-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* ESTILOS EXCLUSIVOS PARA LOGIN (no presentes en el panel) */
        .login-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .login-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 450px;
            padding: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .login-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: linear-gradient(135deg, rgb(255, 38, 0) 0%, rgba(255, 38, 0, 0.8) 100%);
        }

        .login-header {
            margin-bottom: 30px;
        }

        .login-logo {
            width: 80px;
            height: auto;
            margin-bottom: 15px;
        }

        .login-title {
            color: rgb(23, 15, 61);
            font-size: 1.8rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .login-subtitle {
            color: #6c757d;
            font-size: 1rem;
        }

        .login-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }

        .remember-me {
            display: flex;
            align-items: center;
        }

        .forgot-password {
            color: rgb(255, 38, 0);
            text-decoration: none;
            transition: all 0.3s;
        }

        .forgot-password:hover {
            text-decoration: underline;
        }

        .btn-login {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, rgb(255, 38, 0) 0%, rgba(255, 38, 0, 0.8) 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 38, 0, 0.3);
        }

        .login-divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
            color: #6c757d;
            font-size: 0.9rem;
        }

        .login-divider::before,
        .login-divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid #e0e0e0;
        }

        .login-divider::before {
            margin-right: 15px;
        }

        .login-divider::after {
            margin-left: 15px;
        }

        .social-login {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 25px;
        }

        .social-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: white;
            border: 1px solid #e0e0e0;
            color: #333333;
            font-size: 1.2rem;
            transition: all 0.3s;
        }

        .social-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .login-footer {
            font-size: 0.9rem;
            color: #6c757d;
        }

        @media (max-width: 576px) {
            .login-card {
                padding: 30px 20px;
            }
            
            .login-title {
                font-size: 1.5rem;
            }
            
            .login-options {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
        }

        /*editor */
        .jq-editor-btn-active {
    background-color: #e0e0e0;
    box-shadow: inset 0 0 3px rgba(0,0,0,0.2);
    color: #4285f4;
}

.jq-editor-container {
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px
}

.jq-editor-toolbar {
    background: #f5f5f5;
    padding: 5px;
    border-bottom: 1px solid #ddd;
    display: flex;
    flex-wrap: wrap;
    gap: 2px
}

.jq-editor-btn {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 5px 8px;
    cursor: pointer;
    min-width: 30px;
    text-align: center
}

.jq-editor-btn:hover {
    background: #e9e9e9
}

.jq-editor-btn.active {
    background: #d4d4d4
}

.jq-editor-dropdown {
    position: relative;
    display: inline-block
}

.jq-editor-dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0,0,0,.2);
    z-index: 1;
    top: 100%;
    left: 0
}

.jq-editor-dropdown:hover .jq-editor-dropdown-content {
    display: block
}

.jq-editor-content {
    min-height: 200px;
    padding: 10px;
    outline: none
}

.jq-editor-content:focus {
    border-color: #66afe9;
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6)
}

.jq-editor-content img {
    max-width: 100%
}

.jq-editor-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.4)
}

.jq-editor-modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 5px
}

.jq-editor-modal-tabs {
    display: flex;
    margin-bottom: 15px;
    border-bottom: 1px solid #ddd
}

.jq-editor-modal-tab {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 2px solid transparent
}

.jq-editor-modal-tab.active {
    border-bottom: 2px solid #4285f4;
    font-weight: 700
}

.jq-editor-modal-panel {
    display: none
}

.jq-editor-modal-panel.active {
    display: block
}

.jq-editor-modal-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: 700;
    cursor: pointer
}

.jq-editor-modal-close:hover {
    color: #000
}

.jq-editor-file-input {
    display: none
}

.jq-editor-upload-area {
    border: 2px dashed #ddd;
    padding: 20px;
    text-align: center;
    margin-bottom: 15px;
    cursor: pointer
}

.jq-editor-upload-area:hover {
    border-color: #4285f4
}

.jq-editor-preview {
    max-width: 100%;
    max-height: 200px;
    display: none;
    margin: 10px auto
}

.jq-editor-modal-actions {
    text-align: right;
    margin-top: 15px
}

.jq-editor-modal-btn {
    padding: 8px 15px;
    margin-left: 10px;
    cursor: pointer;
    border: none;
    border-radius: 3px
}

.jq-editor-modal-btn-primary {
    background-color: #4285f4;
    color: #fff
}

.jq-editor-modal-btn-primary:hover {
    background-color: #3367d6
}

.jq-editor-modal-btn-secondary {
    background-color: #f1f1f1
}

.jq-editor-modal-btn-secondary:hover {
    background-color: #e1e1e1
}

.jq-editor-word-counter {
    margin-top: 10px;
    padding: 8px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    text-align: right;
    font-size: .9em;
    color: #666
}
#editor {
    width: 100%;
    min-height: 200px;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    margin-bottom: 20px;
    resize: vertical
}

.text-center {
    text-align: center
}

 .datosPerfil {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 15px;
    }
    
    .profile-image {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--card-bg);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .info-perfil {
        flex: 1;
    }
    
    .nombrePerfil {
        font-size: 1.8rem;
        font-weight: 600;
        color: var(--primary);
        display: block;
        margin-bottom: 10px;
    }
    
    .detalles-perfil {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .dato-perfil {
        display: flex;
        align-items: center;
        font-size: 0.95rem;
        color: var(--text);
    }
    
    .icono-perfil {
        font-size: 1.2rem;
        margin-right: 8px;
        color: var(--accent);
    }

    .perfil-academico{
        padding: 2% 4%;
        background: var(--card-bg);
        text-align: justify;
    }
    
    @media (max-width: 600px) {
        .datosPerfil {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        
        .dato-perfil {
            justify-content: center;
        }
    }

    .card a{
        color: var(--primary);
        text-decoration: none;
        font-weight: 600;
    }

    .card a:hover{
        text-decoration: underline;
    }
/* Estilos Base del Modal */
    .modal-usuario, .modal {
        display: none;
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        overflow-y: auto;
    }
    
    .modal-contenido {
        background-color: var(--card-bg);
        margin: 5% auto;
        padding: 25px;
        border-radius: 10px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        width: 90%;
        max-width: 700px;
        animation: modalFadeIn 0.3s;
    }
    
    @keyframes modalFadeIn {
        from { opacity: 0; transform: translateY(-20px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    .modal-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
        padding-bottom: 15px;
        border-bottom: 1px solid var(--border);
    }
    
    .modal-header h3 {
        color: var(--primary);
        font-size: 1.5rem;
    }
    
    .cerrar-modal {
        color: var(--light-text);
        font-size: 18px;
        font-weight: bold;
        cursor: pointer;
        transition: 0.3s;
    }
    
    .cerrar-modal:hover {
        color: var(--accent);
    }
    
    /* Secciones del Formulario */
    .form-section {
        margin-bottom: 25px;
    }
    
    .upload-area {
        display: flex;
        align-items: center;
        gap: 20px;
        margin-top: 10px;
    }
    
    #previewFoto {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--border);
    }
    
    /* Líneas de Investigación */
    .tag-input {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
    }
    
    .tag-input .material-icons {
        color: var(--accent);
        margin-right: 10px;
    }
    
    .tag-input .tag {
        flex: 1;
        margin-right: 10px;
    }
    
    .btn-eliminar-linea {
        background: none;
        border: none;
        color: var(--danger);
        cursor: pointer;
        padding: 5px;
    }
    
    /* Footer del Modal */
    .modal-footer {
        display: flex;
        justify-content: flex-end;
        gap: 15px;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid var(--border);
    }
    
    /* Responsive */
    @media (max-width: 768px) {
        .modal-contenido {
            margin: 10px auto;
            width: 95%;
            padding: 15px;
        }
        
        .grid-2 {
            grid-template-columns: 1fr;
        }
        
        .upload-area {
            flex-direction: column;
            align-items: flex-start;
        }
    }

   .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }

        .modal-container {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            width: 90%;
            max-width: 600px;
            padding: 25px;
            animation: modalFadeIn 0.3s ease-out;
        }

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

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }

        .modal-title {
            font-size: 1.5rem;
            color: #333;
            margin: 0;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #777;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }

        .form-control {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }

        .form-control:focus {
            border-color: #4a90e2;
            outline: none;
            box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
        }

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

        .file-upload {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            border: 2px dashed #ccc;
            border-radius: 4px;
            background-color: #f9f9f9;
            cursor: pointer;
            transition: all 0.3s;
        }

        .file-upload:hover {
            border-color: #4a90e2;
            background-color: #f0f7ff;
        }

        .file-upload i {
            font-size: 2rem;
            color: #4a90e2;
            margin-bottom: 10px;
        }

        .file-upload p {
            margin: 0;
            color: #666;
            text-align: center;
        }

        #file-name {
            margin-top: 10px;
            font-size: 0.9rem;
            color: #333;
        }

        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .btn-primary {
            background-color: #4a90e2;
            color: white;
        }

        .btn-primary:hover {
            background-color: #3a7bc8;
        }

        .btn-secondary {
            background-color: #f0f0f0 !important;
            color: #333;
            margin-right: 10px;
        }

        .btn-secondary:hover {
            background-color: #e0e0e0;
        }

        .modal-footer {
            display: flex;
            justify-content: flex-end;
            margin-top: 30px;
            padding-top: 15px;
            border-top: 1px solid #eee;
        }

        .required-field::after {
            content: " *";
            color: red;
        }

        /* Estilos base del modal */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

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

        .modal-container {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            width: 90%;
            max-width: 800px;
            max-height: 90vh;
            overflow-y: auto;
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }

        .modal-overlay.active .modal-container {
            transform: translateY(0);
        }

        .modal-header {
            padding: 20px;
            border-bottom: 1px solid #e0e0e0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-title {
            font-size: 1.5rem;
            font-weight: 500;
            color: #170f3d;
            margin: 0;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #6c757d;
            transition: color 0.3s;
        }

        .modal-close:hover {
            color: #ff2600;
        }

        .modal-body {
            padding: 20px;
        }

        .modal-footer {
            padding: 15px 20px;
            border-top: 1px solid #e0e0e0;
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }

        /* Estilos específicos para el formulario de ponencias */
        .form-group {
            margin-bottom: 20px;
        }
        .ponencia-author {
            font-size: 1.1rem;
            margin-bottom: 5px;
            font-weight: 600
        }
        .ponencia-title {
            font-size: 1.5rem;
            z-index: 1;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #170f3d;
        }

        .form-control {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #e0e0e0;
            border-radius: 5px;
            font-size: 0.9rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: #ff2600;
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 38, 0, 0.1);
        }

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

        .btn {
            padding: 8px 15px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
        }

        .btn i {
            margin-right: 8px;
        }

        .btn-primary {
            background: #ff2600;
            color: white;
        }

        .btn-primary:hover {
            background: #e62200;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(255, 38, 0, 0.2);
        }

        .btn-secondary {
            background: white;
            color: #170f3d;
            border: 1px solid #e0e0e0;
        }

        .btn-secondary:hover {
            background: #f5f5f5;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        @media (max-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }

        /* Estilos para el preview del archivo */
        .file-preview {
            margin-top: 10px;
            padding: 10px;
            border: 1px dashed #e0e0e0;
            border-radius: 5px;
            display: none;
        }

        .file-preview.active {
            display: block;
        }

        .file-info {
            display: flex;
            align-items: center;
            margin-bottom: 5px;
        }

        .file-info i {
            margin-right: 10px;
            color: #6c757d;
        }

        .file-name {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .file-remove {
            color: #dc3545;
            cursor: pointer;
            margin-left: 10px;
        }
        .keyword-tag {
            display: inline-block;
            background: rgba(255,38,0,.1);
            color: #ff2600;
            padding: .4rem .8rem;
            border-radius: 1rem;
            font-size: .85rem;
            font-weight: 500;
            margin: 0.5%;
            border: 1px solid rgba(255,38,0,.2)
        }

        .boton, .formulario{
            margin: 0.5%; 
        }

        .table-container{
            padding: 2%;
        }

        .filter-container {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 20px;
            padding: 15px;
            background-color: #f5f5f5;
            border-radius: 5px;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            min-width: 200px;
        }
        .filter-group label {
            margin-bottom: 5px;
            font-weight: bold;
        }
        .filter-group select, .filter-group input {
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
        th, td {
            border: 1px solid #ddd;
            padding: 12px;
            text-align: left;
        }
        th {
            background-color: #f2f2f2;
            position: sticky;
            top: 0;
        }
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        tr:hover {
            background-color: #f1f1f1;
        }
        .action-btn {
            background: none;
            border: none;
            cursor: pointer;
            color: #555;
            margin: 0 5px;
            padding: 5px;
        }
        .action-btn:hover {
            color: #2196F3;
        }
        .no-results {
            text-align: center;
            padding: 20px;
            font-style: italic;
            color: #777;
        }