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rgba(0,0,0,.08);margin-bottom:1.5rem;overflow:hidden}.action-buttons-card .card-header,.grades-feedback-card .card-header,.my-submission-card .card-header,.no-grades-card .card-header,.prompt-info-card .card-header,.submission-details-card .card-header{background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-bottom:1px solid #dee2e6;padding:1rem 1.25rem}.action-buttons-card .card-body,.grades-feedback-card .card-body,.my-submission-card .card-body,.no-grades-card .card-body,.prompt-info-card .card-body,.submission-details-card .card-body{padding:1.5rem}.detail-item{font-size:.95rem;margin-bottom:.5rem;padding:.25rem 0}.detail-item i{text-align:center;width:20px}.prompt-title{color:#333;font-weight:600;margin-bottom:.75rem}.prompt-abstract{background:#e9ecef;color:#495057}.prompt-abstract,.submission-content{border-radius:8px;font-size:.95rem;line-height:1.6;padding:1rem 1.25rem;word-wrap:break-word;overflow-wrap:break-word}.submission-content{background:#f8f9fa;border:1px solid #e9ecef;color:#333}.grades-feedback-card .card-header{background:linear-gradient(135deg,#fff3cd,#ffeaa7)}.grade-item{background:#f8f9fa;border:1px solid #e9ecef;border-radius:10px;padding:1rem;transition:all .3s ease}.grade-item:hover{box-shadow:0 2px 8px rgba(0,0,0,.1);transform:translateY(-1px)}.grade-header{border-bottom:1px solid #dee2e6;padding-bottom:.75rem}.grader-info{font-size:.9rem}.grade-score .badge{font-weight:600}.feedback-section .btn{border-radius:8px;font-size:.9rem;transition:all .3s ease}.feedback-section .btn:hover{box-shadow:0 2px 8px rgba(0,0,0,.15);transform:translateY(-1px)}.feedback-section .fa-chevron-down{transition:transform .3s ease}.feedback-content{background:#fff;border:1px solid #e9ecef;border-radius:8px;margin-top:.5rem;padding:1rem}.feedback-text{color:#495057;font-size:.9rem;line-height:1.6;word-wrap:break-word;overflow-wrap:break-word}.no-grades-card .card-header{background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.action-buttons-card .card-header{background:linear-gradient(135deg,#d1ecf1,#bee5eb)}.action-buttons-card .btn{border-radius:8px;font-weight:600;transition:all .3s ease}.action-buttons-card .btn:hover{box-shadow:0 4px 12px rgba(0,0,0,.15);transform:translateY(-1px)}@media (max-width:768px){.submission-detail-hero-section h1{font-size:2rem}.submission-detail-hero-section .hero-illustration i{font-size:4rem}.action-buttons-card .card-body,.grades-feedback-card .card-body,.my-submission-card .card-body,.no-grades-card .card-body,.prompt-info-card .card-body,.submission-details-card .card-body{padding:1rem}.prompt-abstract,.submission-content{font-size:.9rem;padding:.75rem 1rem}.grade-item{padding:.75rem}}@media (max-width:576px){.submission-detail-hero-section{padding:2rem 0}.submission-detail-hero-section h1{font-size:1.5rem}.submission-detail-hero-section .hero-illustration i{font-size:3rem}.feedback-content{padding:.75rem}.detail-item{font-size:.9rem}}
/* Action buttons consistent sizing */
.action-btn {
width: 110px;
text-align: center;
white-space: nowrap;
}
/* File upload styling */
.file-upload-wrapper {
position: relative;
}
.file-upload-wrapper .form-control[type="file"] {
padding: 0.5rem;
border: 2px dashed #dee2e6;
border-radius: 8px;
background-color: #f8f9fa;
transition: all 0.3s ease;
}
.file-upload-wrapper .form-control[type="file"]:hover {
border-color: #667eea;
background-color: #f0f2ff;
}
.file-upload-wrapper .form-control[type="file"]:focus {
border-color: #667eea;
box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
background-color: #fff;
}
.file-upload-wrapper .form-text {
color: #6c757d;
font-size: 0.875rem;
margin-top: 0.5rem;
}