.abstract-header {
    padding: 100px 0 36px 0 !important;
    background-color: #1a0f06;
}

.abstract-title {
    font-family: var(--conf-font-heading);
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 6px;
    color: #ffffff;
}

.abstract-subtitle {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Abstract Submission - Scoped Styles ===== */
.abstract-submission.section {
    background: var(--conf-bg-body);
    padding: 30px 0 40px;
}

/* Form Sections */
.abs-form-section {
    background: white;
    border-radius: 10px;
    padding: 20px 24px;
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
    margin-bottom: 14px;
    border: 1px solid var(--conf-premium-card-border);
    transition: all 0.3s ease;
}

    .abs-form-section:hover {
        box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    }

.abs-section-title {
    font-family: var(--conf-font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--conf-text-heading);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f1f3f5;
}

    .abs-section-title i {
        color: var(--conf-primary);
        font-size: 1.3rem;
    }

/* Form Fields */
.abstract-submission .form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 4px;
    font-size: 0.85rem;
}

.abstract-submission .form-control,
.abstract-submission .form-select {
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.88rem;
    transition: all 0.3s ease;
}

    .abstract-submission .form-control:focus,
    .abstract-submission .form-select:focus {
        border-color: var(--conf-primary);
        box-shadow: 0 0 0 0.2rem rgba(var(--conf-primary-rgb), 0.15);
    }

    .abstract-submission .form-control::placeholder {
        color: #adb5bd;
    }

/* Validation error styling */
.abstract-submission .input-validation-error {
    border-color: #dc3545 !important;
}

    .abstract-submission .input-validation-error:focus {
        box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.2) !important;
    }

.abstract-submission .field-validation-error {
    display: block;
    margin-top: 4px;
    font-size: 0.82rem;
}

.abstract-submission .field-validation-valid {
    display: none;
}

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

.abs-file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.abs-file-drop-label {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    border: 2px dashed #ced4da;
    border-radius: 10px;
    padding: 14px 20px;
    background: #fafbfc;
    transition: all 0.3s ease;
    position: relative;
}

    .abs-file-drop-label:hover,
    .abs-file-drop-label.drag-over {
        border-color: var(--conf-primary);
        background: rgba(13, 110, 253, 0.03);
    }

.abs-file-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(13,110,253,0.1) 0%, rgba(13,110,253,0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

    .abs-file-icon i {
        font-size: 1.25rem;
        color: var(--conf-primary);
    }

.abs-file-text {
    flex: 1;
}

.abs-file-main-text {
    display: block;
    font-weight: 500;
    color: #495057;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.abs-file-sub-text {
    display: block;
    font-size: 0.82rem;
    color: #adb5bd;
}

.abs-file-browse-btn {
    background: var(--conf-primary);
    color: white;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

    .abs-file-drop-label:hover .abs-file-browse-btn {
        background: #0a58ca;
    }

.abs-file-drop-label.file-selected {
    border-color: #198754;
    background: rgba(25, 135, 84, 0.03);
}

    .abs-file-drop-label.file-selected .abs-file-icon {
        background: linear-gradient(135deg, rgba(25,135,84,0.1) 0%, rgba(25,135,84,0.05) 100%);
    }

        .abs-file-drop-label.file-selected .abs-file-icon i {
            color: #198754;
        }

/* Submit Button */
.abs-submit-section {
    background: transparent;
    box-shadow: none;
    border: none;
    padding: 0;
}

.abs-btn-submit {
    background: linear-gradient(135deg, var(--conf-primary) 0%, #d66500 100%);
    border: none;
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: white;
    font-size: 0.95rem;
}

    .abs-btn-submit:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(13, 110, 253, 0.35);
        color: white;
    }

    .abs-btn-submit:active {
        transform: translateY(0);
    }

.abs-submit-note {
    text-align: center;
    color: #6c757d;
    font-size: 0.82rem;
    margin-bottom: 0;
}

    .abs-submit-note i {
        color: #198754;
    }

/* Sidebar - Guidelines */
.abs-sidebar {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    position: sticky;
    top: 90px;
    border: 1px solid var(--conf-premium-card-border);
}

.abs-sidebar-title {
    font-size: 1rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f1f3f5;
}

.abs-guideline-item {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    align-items: flex-start;
}

    .abs-guideline-item:last-of-type {
        margin-bottom: 0;
    }

.abs-guideline-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(13,110,253,0.08) 0%, rgba(13,110,253,0.03) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

    .abs-guideline-icon i {
        font-size: 1rem;
        color: var(--conf-primary);
    }

.abs-guideline-item h6 {
    font-size: 0.88rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 3px;
}

.abs-guideline-item p {
    font-size: 0.82rem;
    color: #6c757d;
    margin-bottom: 0;
    line-height: 1.5;
}

/* Contact Box */
.abs-contact-box {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--conf-premium-card-border);
}

    .abs-contact-box h6 {
        font-size: 0.9rem;
        font-weight: 600;
        color: #212529;
        margin-bottom: 6px;
    }

    .abs-contact-box p {
        font-size: 0.82rem;
        color: #6c757d;
    }

.abs-contact-link {
    color: var(--conf-primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    word-break: break-all;
    transition: all 0.3s ease;
}

    .abs-contact-link:hover {
        color: #0a58ca;
        text-decoration: underline;
    }

/* Responsive */
@media (max-width: 991px) {
    .abs-sidebar {
        position: relative;
        top: 0;
    }

    .abs-form-section {
        padding: 18px;
    }
}

@media (max-width: 767px) {
    .abstract-submission.section {
        padding: 24px 0 32px;
    }

    .abs-form-section {
        padding: 16px;
        margin-bottom: 12px;
    }

    .abs-section-title {
        font-size: 0.92rem;
        margin-bottom: 10px;
        padding-bottom: 8px;
    }

    .abs-file-drop-label {
        flex-direction: column;
        text-align: center;
        padding: 14px;
    }

    .abs-file-browse-btn {
        width: 100%;
        text-align: center;
    }

    .abs-sidebar {
        padding: 16px;
    }
}

@media (max-width: 575px) {
    .abs-file-drop-label {
        gap: 10px;
    }

    .abs-guideline-item {
        gap: 8px;
    }
}