.mhub-thumbnail-controls {
margin-top: 12px;
padding: 12px 16px;
text-align: center;
border-top: 1px solid #e5e7eb;
background: linear-gradient(to bottom, #fafafa 0%, #f5f5f5 100%);
border-radius: 0 0 8px 8px;
display: flex;
gap: 8px;
justify-content: center;
align-items: center;
flex-wrap: wrap;
}
.mhub-upload-thumbnail-btn,
.mhub-remove-thumbnail-btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 6px;
padding: 10px 18px;
margin: 0;
font-size: 14px;
line-height: 1.4;
font-weight: 600;
border: 2px solid transparent;
border-radius: 6px;
background: #2563eb;
color: #fff;
text-decoration: none;
cursor: pointer;
transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
position: relative;
overflow: hidden;
min-width: 160px;
white-space: nowrap;
}
.mhub-upload-thumbnail-btn::before,
.mhub-remove-thumbnail-btn::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
pointer-events: none;
}
.mhub-upload-thumbnail-btn:hover,
.mhub-remove-thumbnail-btn:hover {
background: #1d4ed8;
transform: translateY(-1px);
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
color: #fff;
}
.mhub-upload-thumbnail-btn:active,
.mhub-remove-thumbnail-btn:active {
transform: translateY(0);
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.mhub-upload-thumbnail-btn:focus,
.mhub-remove-thumbnail-btn:focus {
outline: none;
border-color: #60a5fa;
box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
} .mhub-upload-thumbnail-btn.loading,
.mhub-remove-thumbnail-btn.loading {
opacity: 0.7;
cursor: not-allowed;
position: relative;
padding-right: 42px;
}
.mhub-upload-thumbnail-btn.loading::after,
.mhub-remove-thumbnail-btn.loading::after {
content: '';
position: absolute;
top: 50%;
right: 14px;
width: 16px;
height: 16px;
margin-top: -8px;
border: 2px solid rgba(255, 255, 255, 0.3);
border-top-color: #fff;
border-radius: 50%;
animation: mhub-spinner 0.6s linear infinite;
}
@keyframes mhub-spinner {
to {
transform: rotate(360deg);
}
} .mhub-remove-thumbnail-btn {
background: #ef4444;
border-color: transparent;
}
.mhub-remove-thumbnail-btn:hover {
background: #dc2626;
border-color: transparent;
}
.mhub-remove-thumbnail-btn:focus {
border-color: #fca5a5;
box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
} .has-custom-thumbnail .mhub-upload-thumbnail-btn {
background: #10b981;
border-color: transparent;
}
.has-custom-thumbnail .mhub-upload-thumbnail-btn:hover {
background: #059669;
border-color: transparent;
}
.has-custom-thumbnail .mhub-upload-thumbnail-btn::before {
content: '✓';
display: inline-flex;
align-items: center;
justify-content: center;
width: 18px;
height: 18px;
margin-right: 4px;
background: rgba(255, 255, 255, 0.2);
border-radius: 50%;
font-size: 12px;
font-weight: bold;
} .mhub-upload-thumbnail-btn svg,
.mhub-remove-thumbnail-btn svg {
width: 16px;
height: 16px;
fill: currentColor;
} .mhub-thumbnail-notice {
position: fixed;
top: 32px;
right: 20px;
z-index: 999999;
padding: 16px 48px 16px 20px;
border-left: 4px solid;
background: #fff;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
font-size: 14px;
line-height: 1.6;
max-width: 420px;
border-radius: 8px;
animation: mhub-slide-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes mhub-slide-in {
from {
transform: translateX(100%);
opacity: 0;
}
to {
transform: translateX(0);
opacity: 1;
}
}
.mhub-thumbnail-notice-success {
border-left-color: #10b981;
background: linear-gradient(to right, #ecfdf5 0%, #fff 100%);
}
.mhub-thumbnail-notice-error {
border-left-color: #ef4444;
background: linear-gradient(to right, #fef2f2 0%, #fff 100%);
} .mhub-thumbnail-notice-close {
position: absolute;
top: 12px;
right: 12px;
width: 28px;
height: 28px;
padding: 0;
border: none;
background: rgba(0, 0, 0, 0.05);
color: #6b7280;
font-size: 20px;
line-height: 1;
cursor: pointer;
border-radius: 6px;
transition: all 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
}
.mhub-thumbnail-notice-close:hover {
background: rgba(0, 0, 0, 0.1);
color: #111827;
}
.mhub-thumbnail-notice-close:focus {
outline: none;
box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5);
} .mhub-recording-card-wrapper {
position: relative;
border-radius: 8px;
overflow: hidden;
transition: all 0.3s ease;
}
.mhub-recording-card-wrapper:hover {
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
} .mhub-recording-card-wrapper .mhub-recording-card {
border-radius: 8px 8px 0 0;
} .mhub-recording-card-wrapper .mhub-featured-card {
border-radius: 8px 8px 0 0;
} .mhub-recording-card-wrapper .mhub-archive-sidebar-item {
border-radius: 8px 8px 0 0;
} .mhub-recording-card-wrapper .mhub-thumbnail-controls {
border-radius: 0 0 8px 8px;
} @media screen and (max-width: 768px) {
.mhub-thumbnail-controls {
padding: 10px 12px;
flex-direction: column;
gap: 6px;
}
.mhub-upload-thumbnail-btn,
.mhub-remove-thumbnail-btn {
width: 100%;
justify-content: center;
}
.mhub-thumbnail-notice {
top: 10px;
right: 10px;
left: 10px;
max-width: none;
}
}
@media screen and (max-width: 600px) {
.mhub-thumbnail-notice {
font-size: 13px;
padding: 14px 42px 14px 16px;
}
.mhub-upload-thumbnail-btn,
.mhub-remove-thumbnail-btn {
padding: 9px 16px;
font-size: 13px;
}
}  body:not(.logged-in) .mhub-thumbnail-controls {
display: none;
} .mhub-upload-thumbnail-btn:focus-visible,
.mhub-remove-thumbnail-btn:focus-visible {
outline: 2px solid #2271b1;
outline-offset: 2px;
} @media (prefers-contrast: high) {
.mhub-upload-thumbnail-btn,
.mhub-remove-thumbnail-btn {
border-width: 2px;
}
.mhub-thumbnail-notice {
border-left-width: 6px;
}
} @media (prefers-reduced-motion: reduce) {
.mhub-upload-thumbnail-btn,
.mhub-remove-thumbnail-btn {
transition: none;
}
@keyframes mhub-spinner {
to {
transform: rotate(360deg);
}
}
}