*:focus-visible {
     outline: none;
 }

 .mud-main-content {
     position: relative;
     z-index: 1;
     padding: 0 !important;
     height: 100vh;
     overflow-y: auto;
     overflow-x: hidden;
 }

 .mud-main-content .mud-container {
     padding-top: var(--mud-appbar-height) !important;
 }

 html,
 body {
     margin: 0;
     padding: 0;
     width: 100%;
     height: 100%;
     overflow: hidden;
 }

.frosted, .borderless-frosted, .mud-dialog {
     --border-width: 0px;
     border-radius: 1rem;
     position: relative;
     backdrop-filter: blur(100px);
 }

 .dark-theme .frosted,
 .dark-theme .borderless-frosted,
 .dark-theme .mud-dialog {
     background: hsl(from var(--mud-palette-white) h s l / 0.01);
 }

 .light-theme .frosted,
 .light-theme .borderless-frosted{

     background: hsl(from rgb(0 0 0 / 4%) h s l / 0.02);
 }

 .light-theme .mud-dialog {

     background: hsl(from var(--mud-palette-white) h s l / 0.8);
 }

 .frosted::before,
 .borderless-frosted::before, .mud-dialog::before {
     content: "";
     position: absolute;
     z-index: -1;
     inset: 0;
     border-radius: inherit;
     border: var(--border-width) solid transparent;
     /*background: linear-gradient(var(--mud-palette-dark-lighten), var(--mud-palette-surface)) border-box;*/
     mask: linear-gradient(black, black) border-box,
         linear-gradient(black, black) padding-box;
     mask-composite: subtract;
 }

 .borderless-frosted::before {
     border: none;
 }

 .gradient-box {
     background-color: color-mix(in srgb, var(--mud-palette-background) 80%, transparent);
     border-radius: 1rem;
     position: relative;
     aspect-ratio: 1 / 1;
 }

 @property --deg {
     syntax: '<angle>';
     inherits: true;
     initial-value: 0deg;
 }

 .gradient-box::before,
 .gradient-box::after {
     content: "";
     position: absolute;
     height: 100%;
     width: 100%;
     top: 0;
     left: 0;
     background: conic-gradient(from var(--deg) at center,
             var(--mud-palette-primary),
             var(--mud-palette-secondary),
             var(--mud-palette-tertiary),
             var(--mud-palette-primary));
     border-radius: inherit;
     z-index: -2;
     padding: 2px;
     animation: autoRotate 2s linear infinite;
 }

 .gradient-box::after {
     filter: blur(10px);
 }

 @keyframes autoRotate {
     to {
         --deg: 360deg;
     }
 }



 body {
     position: relative;
 }

 .nebula-svg {
     position: fixed;
     top: 0;
     left: 0;
     width: 100vw;
     height: 100vh;
     z-index: -1;
     pointer-events: none;
     opacity: 0.6;
 }

 /* Animate the entire SVG container */
 .nebula-svg {
     animation: nebula-drift 30s ease-in-out infinite alternate,
         nebula-color-shift 45s linear infinite;
 }

 @keyframes nebula-drift {
     0% {
         transform: scale(1.2) translate(0, 0) rotate(0deg);
     }

     33% {
         transform: scale(1.4) translate(2%, -2%) rotate(3deg);
     }

     66% {
         transform: scale(1.3) translate(-2%, 2%) rotate(-2deg);
     }

     100% {
         transform: scale(1.2) translate(0, 0) rotate(0deg);
     }
 }

 @keyframes nebula-color-shift {
     0% {
         filter: hue-rotate(0deg) brightness(1);
     }

     25% {
         filter: hue-rotate(20deg) brightness(1.1);
     }

     50% {
         filter: hue-rotate(0deg) brightness(1);
     }

     75% {
         filter: hue-rotate(-20deg) brightness(0.9);
     }

     100% {
         filter: hue-rotate(0deg) brightness(1);
     }
 }

 .stars-layer {
     animation: stars-twinkle 3s ease-in-out infinite;
 }

 @keyframes stars-twinkle {

     0%,
     100% {
         opacity: 1;
     }

     50% {
         opacity: 0.7;
     }
 }

 .app-content {
     position: relative;
     z-index: 1;
     min-height: 100vh;
 }

 /* Scroll to top button visibility */
 .visible {
     visibility: visible;
     opacity: 1;
     transition: opacity 0.3s ease-in-out;
 }

 .visible.absolute {
     position: fixed !important;
     bottom: 32px;
     right: 32px;
     z-index: 2000;
 }

 .invisible {
     visibility: hidden;
     opacity: 0;
     transition: opacity 0.3s ease-in-out;
 }

 /* Override Radzen CSS variables with MudBlazor theme colors */
 :root {
     /* Primary colors */
     --rz-primary: var(--mud-palette-primary);
     --rz-primary-light: var(--mud-palette-primary-lighten);
     --rz-primary-lighter: var(--mud-palette-primary-lighten);
     --rz-primary-dark: var(--mud-palette-primary-darken);
     --rz-primary-darker: var(--mud-palette-primary-darken);

     /* Secondary colors */
     --rz-secondary: var(--mud-palette-secondary);
     --rz-secondary-light: var(--mud-palette-secondary-lighten);
     --rz-secondary-lighter: var(--mud-palette-secondary-lighten);
     --rz-secondary-dark: var(--mud-palette-secondary-darken);
     --rz-secondary-darker: var(--mud-palette-secondary-darken);

     /* Success colors */
     --rz-success: var(--mud-palette-success);
     --rz-success-light: var(--mud-palette-success-lighten);
     --rz-success-lighter: var(--mud-palette-success-lighten);
     --rz-success-dark: var(--mud-palette-success-darken);
     --rz-success-darker: var(--mud-palette-success-darken);

     /* Info colors */
     --rz-info: var(--mud-palette-info);
     --rz-info-light: var(--mud-palette-info-lighten);
     --rz-info-lighter: var(--mud-palette-info-lighten);
     --rz-info-dark: var(--mud-palette-info-darken);
     --rz-info-darker: var(--mud-palette-info-darken);

     /* Warning colors */
     --rz-warning: var(--mud-palette-warning);
     --rz-warning-light: var(--mud-palette-warning-lighten);
     --rz-warning-lighter: var(--mud-palette-warning-lighten);
     --rz-warning-dark: var(--mud-palette-warning-darken);
     --rz-warning-darker: var(--mud-palette-warning-darken);

     /* Danger/Error colors */
     --rz-danger: var(--mud-palette-error);
     --rz-danger-light: var(--mud-palette-error-lighten);
     --rz-danger-lighter: var(--mud-palette-error-lighten);
     --rz-danger-dark: var(--mud-palette-error-darken);
     --rz-danger-darker: var(--mud-palette-error-darken);

     /* Base colors */
     --rz-base-background-color: var(--mud-palette-background);
     --rz-base-foreground-color: var(--mud-palette-text-primary);
     --rz-text-color: var(--mud-palette-text-primary);
     --rz-text-secondary-color: var(--mud-palette-text-secondary);

     /* Surface colors */
     --rz-surface-background-color: var(--mud-palette-surface);
     --rz-content-background-color: var(--mud-palette-background);

     /* Border colors */
     --rz-border-color: var(--mud-palette-lines-default);
     --rz-border-disabled-color: var(--mud-palette-lines-inputs);

     /* Divider colors */
     --rz-divider-color: var(--mud-palette-divider);

     /* Disabled state */
     --rz-disabled-background-color: var(--mud-palette-action-disabled-background);
     --rz-disabled-color: var(--mud-palette-action-disabled);

     /* Hover states */
     --rz-hover-background-color: var(--mud-palette-action-default-hover);

     /* Selection/Active states */
     --rz-selection-background-color: var(--mud-palette-primary);
     --rz-selection-color: var(--mud-palette-primary-text);

     /* Tertiary colors (if MudBlazor has them) */
     --rz-tertiary: var(--mud-palette-tertiary, var(--mud-palette-primary));

     /* Dark mode support */
     --rz-series-1: var(--mud-palette-primary);
     --rz-series-2: var(--mud-palette-secondary);
     --rz-series-3: var(--mud-palette-tertiary, var(--mud-palette-info));
     --rz-series-4: var(--mud-palette-success);
     --rz-series-5: var(--mud-palette-warning);
     --rz-series-6: var(--mud-palette-error);
     --rz-scheduler-event-background-color: var(--mud-palette-primary);
     --rz-scheduler-view-selected-background-color: var(--mud-palette-surface);
     --rz-scheduler-view-selected-color: var(--mud-palette-tertiary);
     --rz-scheduler-toolbar-background-color: transparent;
     --rz-scheduler-header-background-color: var(--mud-palette-surface);
     --rz-scheduler-prev-next-button-background-color: transparent;
     --rz-scheduler-view-selected-background-color: transparent;
     --rz-scheduler-view-button-background-color: transparent;
     --rz-editor-content-background-color: transparent;
    --rz-editor-button-background-color: #00000015;
     --rz-editor-toolbar-background-color: transparent;
     --rz-editor-button-selected-background-color: var(--mud-palette-primary);
     --rz-editor-button-selected-color: var(--mud-palette-primary-text);
 }

 /* ============================================
   Chat Component Styles
   ============================================ */

 /* Chat Icon Container */
 .chat-icon-container {
     position: relative;
     display: inline-flex;
     align-items: center;
 }

 .chat-badge {
     position: absolute;
     top: 0;
     right: 0;
     pointer-events: none;
 }

 /* Chat Window Overlay */
 .chat-window-overlay {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background-color: rgba(0, 0, 0, 0.3);
     z-index: 1300;
     backdrop-filter: blur(2px);
 }

 /* Chat Window */
 .chat-window {
     position: fixed;
     top: 70px;
     right: 20px;
     width: 400px;
     max-width: calc(100vw - 40px);
     height: 600px;
     max-height: calc(100vh - 100px);
     min-height: 300px;
     background: var(--mud-palette-surface);
     border-radius: 12px;
     box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
     display: flex;
     flex-direction: column;
     z-index: 1301;
     overflow: hidden;
 }

 /* Medium screens - adjust positioning */
 @media (max-width: 900px) {
     .chat-window {
         right: 10px;
         width: 350px;
         max-width: calc(100vw - 20px);
     }
 }

 /* Smaller screens - take more space */
 @media (max-width: 768px) {
     .chat-window {
         top: 60px;
         right: 5px;
         left: 5px;
         width: auto;
         max-width: none;
         height: calc(100vh - 70px);
         max-height: none;
     }
 }

 /* Chat Header */
 .chat-header {
     display: flex;
     align-items: center;
     padding: 16px;
     border-bottom: 1px solid var(--mud-palette-divider);
     background: var(--mud-palette-background);
 }

 .chat-header-actions {
     display: flex;
     gap: 8px;
     margin-left: auto;
 }

 /* Chat Body */
 .chat-body {
     flex: 1;
     overflow-y: auto;
     padding: 8px;
 }

 /* Chat Groups List */
 .chat-groups-list {
     display: flex;
     flex-direction: column;
     gap: 4px;
 }

 .chat-group-item {
     display: flex;
     align-items: center;
     padding: 10px 12px;
     border-radius: 8px;
     cursor: pointer;
     transition: background-color 0.2s;
     gap: 10px;
 }

 .chat-group-item:hover {
     background: var(--mud-palette-action-default-hover);
 }

 .chat-group-item.has-unread {
     background: color-mix(in srgb, var(--mud-palette-primary) 10%, transparent);
 }

 .chat-group-details {
     flex: 1;
     min-width: 0;
     display: flex;
     flex-direction: column;
     gap: 4px;
 }

 .chat-group-name {
     font-weight: 500;
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
     line-height: 1.3;
 }

 .chat-group-meta {
     display: flex;
     align-items: center;
     gap: 8px;
 }

 .chat-group-member-count {
     font-size: 0.75rem;
     opacity: 0.7;
     white-space: nowrap;
 }

 .chat-group-avatars {
     display: flex;
     align-items: center;
     flex-shrink: 0;
 }

 .chat-list-avatar-container {
     position: relative;
     margin-left: -6px;
 }

 .chat-list-avatar-container:first-child {
     margin-left: 0;
 }

 .chat-list-avatar {
     width: 22px !important;
     height: 22px !important;
     font-size: 0.55rem !important;
     border: 1.5px solid var(--mud-palette-surface);
 }

 .chat-list-avatar.more-avatar {
     background-color: var(--mud-palette-action-default-hover) !important;
     color: var(--mud-palette-text-secondary) !important;
     font-size: 0.5rem !important;
     margin-left: -6px;
 }

 .chat-list-avatar-indicator {
     position: absolute;
     bottom: -1px;
     right: -1px;
     width: 7px;
     height: 7px;
     border-radius: 50%;
     border: 1px solid var(--mud-palette-surface);
 }

 .chat-list-avatar-indicator.online {
     background-color: #4caf50;
 }

 .chat-list-avatar-indicator.away {
     background-color: #ff9800;
 }

 .chat-list-avatar-indicator.offline {
     background-color: #9e9e9e;
 }

 .chat-group-members {
     opacity: 0.7;
     line-height: 1.2;
 }

 .unread-chip {
     flex-shrink: 0;
 }

 .chat-group-members {
     opacity: 0.7;
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
 }

 /* Chat Conversation */
 .chat-conversation {
     display: flex;
     flex-direction: column;
     height: 100%;
     overflow: hidden;
 }

 .chat-conversation-header {
     display: flex;
     align-items: center;
     padding: 8px 12px;
     border-bottom: 1px solid var(--mud-palette-divider);
     background: var(--mud-palette-background);
     gap: 6px;
     flex-shrink: 0;
 }

 .chat-conversation-title {
     flex: 0 1 auto;
     min-width: 0;
     max-width: 150px;
 }

 .chat-conversation-title .MudText-root:first-child {
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
     font-size: 0.95rem !important;
     line-height: 1.2;
 }

 .chat-conversation-title .chat-header-info {
     font-size: 0.7rem;
     opacity: 0.7;
 }

 /* Chat Messages */
 .chat-messages {
     flex: 1;
     overflow-y: auto;
     overflow-x: hidden;
     padding: 16px;
     display: flex;
     flex-direction: column;
     gap: 12px;
     scroll-behavior: smooth;
     min-height: 0;
 }

 .chat-message {
     display: flex;
     flex-direction: column;
     align-items: flex-start;
     max-width: 80%;
 }

 .message-bubble {
     position: relative;
     background: var(--mud-palette-background);
     padding: 8px 10px 8px 40px;
     border-radius: 12px;
     word-wrap: break-word;
     word-break: break-word;
 }

 .message-avatar-container {
     position: absolute;
     top: 8px;
     left: 8px;
     flex-shrink: 0;
 }

 .message-avatar-container.own {
     left: auto;
     right: 8px;
 }

 .message-avatar-container.own .message-avatar {
     background-color: var(--mud-palette-primary-darken) !important;
 }

 .message-avatar {
     font-size: 0.75rem;
 }

.avatar-status-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--mud-palette-surface);
}

.avatar-status-indicator.online {
    background-color: #4caf50;
}

.avatar-status-indicator.away {
    background-color: #ff9800;
}

.avatar-status-indicator.offline {
    background-color: #9e9e9e;
}

/* Presence Status in Header */
.presence-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.presence-status .presence-indicator {
    font-size: 8px !important;
    width: 8px;
    height: 8px;
}

.presence-status.online {
    color: #4caf50;
}

.presence-status.online .presence-indicator {
    color: #4caf50;
}

.presence-status.away {
    color: #ff9800;
}

.presence-status.away .presence-indicator {
    color: #ff9800;
}

.presence-status.offline {
    color: #9e9e9e;
}

.presence-status.offline .presence-indicator {
    color: #9e9e9e;
}

/* Chat Header Info */
.chat-header-info {
    display: flex;
    align-items: center;
    gap: 4px;
}

.member-count {
    color: var(--mud-palette-text-secondary);
    font-size: 0.7rem;
}

/* Chat Header Avatars */
.chat-header-avatars {
    display: flex;
    align-items: center;
    margin-left: 4px;
}

.header-avatar-container {
    position: relative;
    display: inline-block;
    margin-left: -6px;
}

.header-avatar-container:first-child {
    margin-left: 0;
}

.header-avatar {
    cursor: pointer;
    transition: transform 0.2s ease;
    width: 26px !important;
    height: 26px !important;
    font-size: 0.6rem !important;
    border: 2px solid var(--mud-palette-surface);
}

.header-avatar:hover {
    transform: scale(1.1);
    z-index: 1;
}

.header-avatar-indicator {
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1.5px solid var(--mud-palette-surface);
}

.header-avatar-indicator.online {
    background-color: #4caf50;
}

.header-avatar-indicator.away {
    background-color: #ff9800;
}

.header-avatar-indicator.offline {
    background-color: #9e9e9e;
}

.more-members-button {
    background-color: var(--mud-palette-action-default-hover);
    border-radius: 50%;
    width: 26px !important;
    height: 26px !important;
    min-width: 26px !important;
    margin-left: -6px;
}

/* Member List Dialog */
.member-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    width: 100%;
}

.member-avatar-container {
    position: relative;
    flex-shrink: 0;
}

.member-avatar-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--mud-palette-surface);
}

.member-avatar-indicator.online {
    background-color: #4caf50;
}

.member-avatar-indicator.away {
    background-color: #ff9800;
}

.member-avatar-indicator.offline {
    background-color: #9e9e9e;
}

.member-info {
    flex: 1;
    min-width: 0;
}

.member-info .MudText-root:first-child {
    font-weight: 500;
}

 .message-content-wrapper {
     display: flex;
     flex-direction: column;
     flex: 1;
     min-width: 0;
 }

 .chat-message.own {
     align-items: flex-end;
     align-self: flex-end;
 }

 .chat-message.system {
     align-items: center;
     align-self: center;
     max-width: 100%;
     margin: 8px 0;
 }

 .system-message-text {
     opacity: 0.6;
     font-style: italic;
 }

 .message-sender {
     margin-bottom: 4px;
     opacity: 0.7;
 }

 .chat-message.own .message-bubble {
     background: var(--mud-palette-primary);
     color: var(--mud-palette-primary-text);
     padding: 8px 40px 8px 10px;
 }

 .message-content {
     margin-bottom: 4px;
 }

 .message-content a {
     color: inherit;
     text-decoration: underline;
     opacity: 0.9;
 }

 .message-content a:hover {
     opacity: 1;
 }

 .message-meta {
     display: flex;
     align-items: center;
     gap: 4px;
     font-size: 0.75rem;
     opacity: 0.7;
 }

 .message-time {
     font-size: 0.75rem;
 }

 /* Chat Input */
 .chat-input-container {
     border-top: 1px solid var(--mud-palette-divider);
     padding: 12px;
     background: var(--mud-palette-background);
     flex-shrink: 0;
 }

 .chat-input-row {
     display: flex;
     align-items: flex-start;
     gap: 8px;
 }

 .chat-input-row .flex-grow-1 {
     flex: 1;
 }

 .chat-input-button {
     margin-top: 4px;
 }

 .chat-message-input {
     width: 100%;
 }

 .chat-message-input textarea {
     max-height: 120px !important; /* Approximately 5 lines */
     overflow-y: auto !important;
     resize: none !important;
 }

 /* Emoji Picker */
 .emoji-picker {
     display: grid;
     grid-template-columns: repeat(10, 1fr);
     gap: 4px;
     padding: 12px;
     background: var(--mud-palette-surface);
     border-radius: 8px;
     margin-bottom: 8px;
     max-height: 200px;
     overflow-y: auto;
 }

 .emoji-button {
     background: none;
     border: none;
     font-size: 1.5rem;
     cursor: pointer;
     padding: 4px;
     border-radius: 4px;
     transition: background-color 0.2s;
 }

 .emoji-button:hover {
     background: var(--mud-palette-action-default-hover);
 }

/* Mobile Responsive - Full screen chat */
@media (max-width: 600px) {
    .chat-window {
        top: 0 !important;
        right: 0 !important;
        left: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        max-width: 100vw !important;
        max-height: 100vh !important;
        border-radius: 0;
    }

    .emoji-picker {
        grid-template-columns: repeat(8, 1fr);
    }
}