* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0e0e10;
    --bg-secondary: #18181b;
    --bg-tertiary: #1f1f23;
    --text-primary: #efeff1;
    --text-secondary: #adadb8;
    --border-color: #464649;
    --accent-color: #9146ff;
    --success-color: #00f5c4;
    --danger-color: #f13c20;
    --mention-color: #9146ff;
    --mention-bg: rgba(145, 70, 255, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.chat-header {
    background-color: var(--bg-tertiary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success-color);
    transition: background-color 0.3s ease;
}

.status-dot.disconnected {
    background-color: var(--danger-color);
}

.header-title {
    flex: 1;
    text-align: center;
}

.room-selector {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
}

.room-button {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.room-button:hover {
    background: var(--bg-primary);
    border-color: var(--accent-color);
}

.room-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
    display: none;
    z-index: 1000;
    min-width: 140px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.room-dropdown.show {
    display: block;
}

.room-option {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.room-option:hover {
    background: var(--bg-secondary);
}

.room-option.active {
    background: var(--accent-color);
}

.admin-indicator {
    background-color: var(--success-color);
    color: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    display: none;
}

.admin-indicator.visible {
    display: block;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    background-color: var(--bg-secondary);
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.message {
    margin-bottom: 4px;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.4;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    background-color: transparent;
}

.message-main-content {
    flex: 1;
    min-width: 0;
    line-height: 1.4;
}

.reply-button {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.2s ease;
    opacity: 0.5;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.message:hover .reply-button {
    opacity: 1;
}

.reply-button:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
    transform: scale(1.1);
}

.message.system {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
    font-size: 12px;
    display: block;
}

.message.system .reply-button {
    display: none;
}

.message.mentioned {
    background-color: var(--mention-bg) !important;
    border-left: 3px solid var(--mention-color);
    padding-left: 12px;
}

.message.user {
    background-color: transparent;
}

.message.user.moderatable {
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
}

.message.user.moderatable:hover {
    border-left-color: var(--accent-color);
    background-color: rgba(145, 70, 255, 0.05);
}

.message-username {
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.message-username:hover {
    opacity: 0.8;
}

.username-glow {
    filter: 
        drop-shadow(0 0 2px currentColor) 
        drop-shadow(0 0 2px rgba(0, 0, 0, 0.3));
}

.username-sparkle {
    animation: sparkle 3s linear infinite;
}

@keyframes sparkle {
    0%, 100% {
        opacity: 1;
    }
    25% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
    75% {
        opacity: 0.85;
    }
}

.username-rainbow {
    background: linear-gradient(90deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rainbow 3s linear infinite;
}

@keyframes rainbow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

.username-pulse {
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

.badge {
    width: 16px;
    height: 16px;
    object-fit: contain;
    vertical-align: text-top;
    margin-right: 2px;
}

.message-content {
    color: var(--text-primary);
}

.mention {
    color: var(--mention-color);
    font-weight: 600;
    background-color: rgba(145, 70, 255, 0.2);
    padding: 1px 4px;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.mention:hover {
    background-color: rgba(145, 70, 255, 0.3);
}

.chat-input-container {
    background-color: var(--bg-tertiary);
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.chat-input-form {
    display: flex;
    gap: 8px;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.chat-input {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 80px 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    cursor: text;
}

.chat-input:focus {
    border-color: var(--accent-color);
}

.chat-input::placeholder {
    color: var(--text-secondary);
}

.mention-suggestions {
    position: absolute;
    bottom: calc(100% + 5px);
    left: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 150px;
}

.mention-suggestions::-webkit-scrollbar {
    width: 6px;
}

.mention-suggestions::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.mention-suggestions::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.mention-suggestion-item {
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mention-suggestion-item:hover,
.mention-suggestion-item.selected {
    background-color: var(--bg-secondary);
}

.mention-suggestion-item .username {
    font-weight: 600;
}

.send-button {
    background-color: var(--accent-color);
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.send-button:hover {
    background-color: #7b3bf0;
}

.sticker-button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
    border-radius: 4px;
}

.sticker-button:hover {
    color: var(--accent-color);
    background-color: var(--bg-tertiary);
}

.upload-button {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: none;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
    border-radius: 4px;
}

.upload-button:hover {
    color: var(--accent-color);
    background-color: var(--bg-tertiary);
}

.upload-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.upload-button.uploading .upload-icon {
    display: none;
}

.upload-button.uploading .upload-spinner {
    display: block;
}

.upload-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-secondary);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.sticker-panel {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    width: 300px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sticker-panel::-webkit-scrollbar {
    width: 6px;
}

.sticker-panel::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.sticker-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sticker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
}

.sticker-item {
    aspect-ratio: 1;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    padding: 8px;
    border: 2px solid transparent;
}

.sticker-item:hover {
    background-color: var(--bg-primary);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.sticker-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.context-menu {
    position: fixed;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 120px;
    display: none;
}

.context-menu-item {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    transition: background-color 0.2s ease;
}

.context-menu-item:hover {
    background-color: var(--bg-secondary);
}

.context-menu-item.danger {
    color: var(--danger-color);
}

.context-menu-item.danger:hover {
    background-color: var(--danger-color);
    color: white;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    max-width: 400px;
    width: 90%;
}

.modal-title {
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-primary);
    font-size: 18px;
}

.modal-section {
    margin-bottom: 20px;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.modal-divider {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    margin: 20px 0;
    position: relative;
}

.modal-divider::before,
.modal-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background-color: var(--border-color);
}

.modal-divider::before {
    left: 0;
}

.modal-divider::after {
    right: 0;
}

.modal-input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    margin-bottom: 8px;
}

.modal-input:focus {
    border-color: var(--accent-color);
}

.modal-error {
    color: #f13c20;
    font-size: 12px;
    min-height: 16px;
    text-align: center;
}

.modal-button {
    width: 100%;
    background-color: var(--accent-color);
    border: none;
    border-radius: 6px;
    padding: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.modal-button:hover {
    background-color: #7b3bf0;
}

.hidden {
    display: none;
}

@media (max-width: 480px) {
    .sticker-panel {
        width: 250px;
    }
    
    .mention-suggestions {
        max-width: calc(100vw - 40px);
    }
    
    .reply-button {
        font-size: 13px;
        padding: 2px 3px;
    }
    
    .room-button {
        padding: 4px 8px;
        font-size: 14px;
    }
}

.admin-button {
    background: var(--bg-secondary);
    border: 1px solid var(--success-color);
    border-radius: 6px;
    padding: 6px 10px;
    color: var(--success-color);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    display: none;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.admin-button:hover {
    background: var(--success-color);
    color: var(--bg-primary);
}

.admin-button.visible {
    display: flex;
}

.admin-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
    display: none;
    z-index: 1000;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.admin-dropdown.show {
    display: block;
}

.admin-option {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-option:hover {
    background: var(--bg-secondary);
}

.admin-selector {
    position: relative;
    display: flex;
    align-items: center;
}