/* Abstract Content Section */
.abstract-content {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.content-grid {
    display: grid;
    gap: 2rem;
}

.main-content {
    width: 100%;
}

/* Quick Navigation */
.quick-nav {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 2rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.quick-nav-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.quick-nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: #f8fafc;
    border-radius: 25px;
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.quick-nav-item:hover {
    background: #2e5990;
    color: white;
    transform: translateY(-2px);
}

.quick-nav-item.submit {
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
    color: white;
}

.quick-nav-item.submit:hover {
    background: linear-gradient(135deg, #ff6b35, #ff5722);
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #e7f3ff, #f0f8ff);
    border: 2px solid #2e5990;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.highlight-box h3 {
    color: #2e5990;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.highlight-box p {
    color: #4a5568;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.btn-link {
    display: inline-block;
    background: linear-gradient(135deg, #2e5990, #4a7ba7);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 89, 144, 0.3);
}

.btn-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(46, 89, 144, 0.4);
}

/* Abstract Guidelines Section */
.abstract-guidelines-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.guidelines-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(46, 89, 144, 0.1);
    margin-bottom: 3rem;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.card-header {
    background: linear-gradient(135deg, #2e5990, #4a7ba7);
    color: white;
    padding: 2rem;
}

.card-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-title i {
    font-size: 2.4rem;
    opacity: 0.9;
}

.card-content {
    padding: 2.5rem;
}

.section-intro {
    font-size: 1.6rem;
    color: #4a5568;
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #2e5990;
    transition: all 0.3s ease;
}

.category-item:hover {
    background: #e7f3ff;
    transform: translateX(5px);
}

.category-item i {
    color: #2e5990;
    font-size: 1.8rem;
    width: 2rem;
    text-align: center;
}

.category-item span {
    font-weight: 500;
    color: #2d3748;
}

/* Criteria List */
.criteria-list {
    display: grid;
    gap: 1rem;
}

.criteria-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 6px;
}

.criteria-item i {
    color: #ff8c42;
    font-size: 1.4rem;
    width: 1.5rem;
    text-align: center;
}

/* Instructions List */
.instructions-list, .guidelines-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.instructions-list li, .guidelines-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
}

.instructions-list li::before, .guidelines-list li::before {
    content: "▶";
    color: #2e5990;
    font-size: 1rem;
    position: absolute;
    left: 0;
    top: 0.2rem;
}

/* Important Dates */
.important-dates-card {
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
    color: white;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(255, 140, 66, 0.3);
    margin-bottom: 3rem;
    overflow: hidden;
}

.important-dates-card .card-header {
    background: rgba(255, 255, 255, 0.1);
}

.date-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.date-label {
    font-size: 1.6rem;
    font-weight: 600;
}

.date-value {
    font-size: 2rem;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Presentation Guidelines */
.presentation-guidelines {
    display: grid;
    gap: 3rem;
}

.presentation-info {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.subsection-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2e5990;
    margin: 2rem 0 1rem 0;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.structure-list, .specs-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.structure-list li, .specs-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.structure-list li::before, .specs-list li::before {
    content: "•";
    color: #ff8c42;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: 0;
}

.note {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 6px;
    padding: 1rem;
    margin-top: 1.5rem;
    font-style: italic;
    color: #856404;
}

/* Submission Form Preview */
.form-preview {
    background: #f8fafc;
    border-radius: 8px;
    padding: 2rem;
}

.form-section-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2e5990;
    margin: 2rem 0 1rem 0;
    border-bottom: 2px solid #2e5990;
    padding-bottom: 0.5rem;
}

.form-fields-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.form-fields-list {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.form-field, .form-field-full {
    background: white;
    padding: 1rem;
    border-radius: 6px;
    border: 2px solid #e2e8f0;
    font-weight: 500;
    color: #4a5568;
}

.submission-cta {
    text-align: center;
    margin-top: 3rem;
}

.submit-abstract-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #2e5990, #4a7ba7);
    color: white;
    padding: 1.5rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(46, 89, 144, 0.3);
}

.submit-abstract-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(46, 89, 144, 0.4);
}

.submission-note {
    margin-top: 1rem;
    color: #6c757d;
    font-style: italic;
}

/* Awards Notice */
.awards-notice {
    background: linear-gradient(135deg, #4caf50, #66bb6a);
    color: white;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 3rem;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.notice-content {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.notice-content i {
    font-size: 3rem;
    opacity: 0.9;
    flex-shrink: 0;
}

.notice-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.notice-text p {
    font-size: 1.4rem;
    line-height: 1.6;
    margin: 0;
}

.link-highlight {
    color: #2e5990;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.link-highlight:hover {
    border-bottom-color: #2e5990;
}

/* Responsive Design */
@media (max-width: 768px) {
    .abstract-guidelines-section {
        padding: 2rem 0;
    }

    .card-header {
        padding: 1.5rem;
    }

    .card-title {
        font-size: 1.8rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .card-content {
        padding: 1.5rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .date-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .form-fields-grid {
        grid-template-columns: 1fr;
    }

    .notice-content {
        flex-direction: column;
        text-align: center;
    }

    .submit-abstract-btn {
        padding: 1.2rem 2rem;
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .card-header {
        padding: 1rem;
    }

    .card-title {
        font-size: 1.6rem;
    }

    .card-content {
        padding: 1rem;
    }

    .subsection-title {
        font-size: 1.6rem;
    }

    .submit-abstract-btn {
        padding: 1rem 1.5rem;
        font-size: 1.3rem;
    }
}