form.css_form {
    max-width: 500px;
    justify-content: center;
    margin: auto;
    margin-top: 2%;
}

/* Alert styles specific to forms */
form .alert {
    position: static;
    box-shadow: none;
    margin-top: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Card styles */
.card {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.07);
    transition: all 0.3s ease-in-out;
    border-radius: 0.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 0 solid rgba(0, 0, 0, 0.125);
}

.card-body {
    flex: 1 1 auto;
    min-height: 1px;
    padding: 1.25rem;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

/* Input group styles */
.input-group-text {
    background-color: transparent;
    border-right: none;
}

.input-group .form-control {
    border-left: 0;
}

.input-group .input-group-text:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group .input-group-text:last-child {
    border-left: 0;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group .form-control:not(:first-child):not(:last-child) {
    border-radius: 0;
}

.input-group .form-control:focus {
    z-index: 3;
    position: relative;
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.2);
}

.input-group:focus-within {
    box-shadow: none;
}

.input-group:focus-within .input-group-text,
.input-group:focus-within .form-control {
    border-color: #86b7fe;
}

/* File input styles */
.input-group input[type="file"],
input[type="file"] {
    padding: 0.375rem 0.75rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
    height: calc(1.5em + 0.75rem + 2px);
}

.input-group input[type="file"]::file-selector-button,
input[type="file"]::file-selector-button {
    margin: -0.375rem 0.75rem -0.375rem -0.75rem;
    padding: 0.375rem 0.75rem;
    height: calc(1.5em + 0.75rem + 2px);
    border-radius: 0.25rem 0 0 0.25rem;
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-right: none;
    color: #495057;
    transition: all 0.2s ease-in-out;
}

input[type="file"]::file-selector-button:hover {
    background-color: #e9ecef;
}

.input-group > input[type="file"] {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

.input-group-sm input[type="file"] {
    height: calc(1.5em + 0.5rem + 2px);
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.input-group-sm input[type="file"]::file-selector-button {
    margin: -0.25rem 0.5rem -0.25rem -0.5rem;
    padding: 0.25rem 0.5rem;
    height: calc(1.5em + 0.5rem + 2px);
}

/* Form styles */
.form-label.fw-bold, label {
    margin-bottom: 0.5rem;
    color: #495057;
    font-weight: 600;
    display: inline-block;
}

.form-text.text-muted {
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.section-header {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

/* Profile styles */
.main-body {
    padding: 15px;
}

.gutters-sm {
    margin-right: -8px;
    margin-left: -8px;
}

.gutters-sm > .col, 
.gutters-sm > [class*=col-] {
    padding-right: 8px;
    padding-left: 8px;
}

.bg-gray-300 {
    background-color: #e2e8f0;
}

.shadow-none {
    box-shadow: none !important;
}

.profile-img-container {
    text-align: center;
    margin-bottom: 1rem;
}

.profile-img-container img {
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.profile-img {
    border: 4px solid #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.03);
}

.card .img-fluid.rounded-circle {
    margin: 0 auto;
    display: block;
}

/* Card variations */
.compact-card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important;
    transition: all 0.2s ease-in-out;
}

.compact-card .card-header {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid rgba(0,0,0,.05);
    background-color: #f8f9fa;
}

.compact-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important;
}

/* Small input group styles */
.input-group-sm .input-group-text {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.input-group-sm .form-control {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.alert.py-1 {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    font-size: 0.875rem;
}

/* Table styles */
.table-stats {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.table-stats th {
    background-color: #f8f9fa;
    font-weight: 600;
    padding: 0.75rem;
}

/* Common table styles */
.table-common {
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-radius: 0.5rem;
    overflow: hidden;
}

.table-common th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.table-common tr {
    transition: background-color 0.2s;
}

.table-common tr:hover {
    background-color: #f8f9fa;
}

/* Status styles */
.status-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    margin-bottom: 0.25rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

.status-solved {
    background-color: #d4edda;
}

.status-attempted {
    background-color: #fff3cd;
}

.status-error {
    background-color: #f8d7da;
}

/* Submissions table */
.submissions-table {
    margin-top: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-radius: 0.5rem;
    overflow: hidden;
}

.submissions-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    vertical-align: middle;
}

/* Category styling */
.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-img-container {
    height: 160px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}

.card-img-top {
    max-height: 160px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid #f0f0f0;
    padding: 0.75rem 1.25rem;
    margin: 0;
    font-weight: 500;
}

.card a {
    color: #3a5bbf;
    text-decoration: none;
    transition: color 0.2s;
}

.card a:hover {
    color: #264299;
}

/* Problem table styling */
.problem-table {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border-radius: 0.5rem;
    overflow: hidden;
}

.problem-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.problem-table tr {
    transition: background-color 0.2s;
}

.problem-table tr:hover {
    background-color: #f8f9fa;
}

.problem-status {
    font-weight: 500;
    text-align: center;
}

.category-section {
    margin-bottom: 2.5rem;
}

.categories-divider {
    margin: 2rem 0;
    height: 2px;
    background-color: #f0f0f0;
}

/* Form check styles */
.form-check {
    padding-left: 0;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    position: relative;
}

.form-check-inline {
    display: inline-flex;
    align-items: center;
    padding-left: 0;
    margin-right: 0.75rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    margin-top: 0.25em;
    margin-right: 0.5rem;
    background-color: #fff;
    border: 1px solid #adb5bd;
    margin-left: 0;
}

.form-check-label {
    font-weight: normal;
    color: #495057;
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
}

.form-check input[type="checkbox"] {
    position: relative;
    margin-right: 8px;
    width: 16px !important;
    height: 16px !important;
    cursor: pointer;
    flex-shrink: 0;
    appearance: auto !important;
    -webkit-appearance: checkbox !important;
    opacity: 1;
    z-index: 1;
}

/* Custom checkbox styling */
.custom-checkbox {
    display: flex;
    align-items: center;
}

.custom-checkbox label {
    display: flex;
    align-items: center;
    width: auto;
    cursor: pointer;
    margin-bottom: 0;
    font-weight: normal;
}

.custom-checkbox input[type="checkbox"] {
    position: relative;
    margin-right: 8px;
    width: 16px !important;
    height: 16px !important;
    cursor: pointer;
    flex-shrink: 0;
    appearance: auto !important;
    -webkit-appearance: checkbox !important;
    opacity: 1;
    z-index: 1;
    margin-left: 0 !important;
}

/* Feature card styles */
.feature-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 0.75rem;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card .card-img-container {
    height: 200px;
}

.feature-card .card-title {
    color: #3a5bbf;
    margin-bottom: 1rem;
    font-weight: 600;
}

.divider {
    max-width: 100px;
    margin: 0 auto;
    height: 4px;
    background-color: #4e73df;
    opacity: 0.7;
    border-radius: 2px;
}

/* Dropdown menu styles */
.dropdown-menu {
    padding: 0.5rem 0;
    border: none;
    border-radius: 0.5rem;
}

.dropdown-item {
    padding: 0.5rem 1.25rem;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background-color: #f0f4ff;
}

/* Verdict and submission status styling */
.verdict-cell {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    position: relative;
    overflow: hidden;
}

.submission-status {
    overflow: auto;
}

.status-accepted {
    background-color: #d4edda !important;
    color: #155724 !important;
    display: block !important;
    height: 100% !important;
    width: 100% !important;
}

.status-error {
    background-color: #f8d7da !important;
    color: #721c24 !important;
    display: block !important;
    height: 100% !important;
    width: 100% !important;
}

.status-warning {
    background-color: #fff3cd !important;
    color: #856404 !important;
    display: block !important;
    height: 100% !important;
    width: 100% !important;
}

.status-pending {
    background-color: #e2e3e5 !important;
    color: #383d41 !important;
    display: block !important;
    height: 100% !important;
    width: 100% !important;
}

/* Form button styles */
.btn-form {
    padding: 0.5rem 2rem;
    font-weight: 500;
}

.form-submit {
    margin-top: 1.5rem;
}

.form-submit button {
    width: auto;
}

/* Submission stats table */
.submission-stats-table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 0.375rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 0;
    font-size: 0.875rem;
}

.submission-stats-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    padding: 0.5rem;
    border: 1px solid #dee2e6;
    padding: 0.6rem 0.5rem;
    border-top: 1px solid #dee2e6;
    border-bottom: 2px solid #dee2e6;
}

.submission-stats-table td {
    padding: 0.5rem;
    border: 1px solid #dee2e6;
    padding: 0.75rem 0.5rem;
    vertical-align: middle;
    border-bottom: 1px solid #e9ecef;
}

.submission-stats-table tr.status-solved {
    background-color: #d4edda;
}

.submission-stats-table tr.status-attempted {
    background-color: #fff3cd;
}

.submission-stats-table tr.status-error {
    background-color: #f8d7da;
}

.submission-stats-table .badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35em 0.65em;
    min-width: 2.5em;
}

.submission-stats-table tr:last-child td {
    border-bottom: 0;
}

/* Verdict type indicators */
.verdict-type {
    position: relative;
    padding-left: 2rem !important;
}

.verdict-type::before {
    content: "";
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
}

.solved-verdict::before {
    background-color: #28a745;
}

.attempted-verdict::before {
    background-color: #ffc107;
}

.error-verdict::before {
    background-color: #dc3545;
}

.submission-stats-table tr.status-solved,
.submission-stats-table tr.status-attempted,
.submission-stats-table tr.status-error {
    background-color: transparent;
}