:root {
    --bg-color: #0d171c; /* Very dark background */
    --panel-bg: rgba(16, 30, 38, 0.6); /* Glassmorphism background */
    --panel-border: rgba(64, 175, 230, 0.2);
    --text-primary: #e0e0e0;
    --text-secondary: #a0aab2;
    --accent: #40afe6; /* Dark Turquoise */
    --accent-hover: #2e9bd0;
    --danger: #ff4757;
    --success: #2ed573;
    --font-main: 'Inter', sans-serif;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

html, body {
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}
body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 15% 50%, rgba(64, 175, 230, 0.08), transparent 25%),
                      radial-gradient(circle at 85% 30%, rgba(64, 175, 230, 0.05), transparent 25%);
    color: var(--text-primary);
}

body.rtl-mode { direction: rtl; }
.rtl-mode .sidebar { border-right: none; border-left: 1px solid var(--panel-border); }
.rtl-mode .chat-item-info { margin-left: 0; margin-right: 15px; }
.rtl-mode .message.sent { align-self: flex-start; }
.rtl-mode .message.sent .message-bubble { background: var(--panel-bg); border: 1px solid var(--panel-border); border-top-left-radius: 4px; border-top-right-radius: 20px; }
.rtl-mode .message.received { align-self: flex-end; }
.rtl-mode .message.received .message-bubble { background: rgba(64, 175, 230, 0.15); border: 1px solid var(--accent); border-top-right-radius: 4px; border-top-left-radius: 20px; }

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    box-shadow: var(--shadow);
}

.hidden { display: none !important; }

#app { width: 100vw; height: 100vh; position: relative; }

.screen {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: none; justify-content: center; align-items: center;
}
.screen.active { display: flex; }

/* Login Screen */
.login-card {
    padding: 40px; border-radius: 24px; text-align: center; width: 90%; max-width: 400px;
}
.login-card h1 { color: var(--accent); margin-bottom: 10px; font-weight: 600; }
.login-card p { color: var(--text-secondary); margin-bottom: 30px; font-size: 0.95rem; }
.login-card input {
    width: 100%; padding: 15px; margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px; color: white; font-size: 16px; outline: none; transition: 0.3s;
}
.login-card input:focus { border-color: var(--accent); background: rgba(64, 175, 230, 0.05); }
.login-card button {
    width: 100%; padding: 15px; border: none; border-radius: 12px;
    background: var(--accent); color: #000; font-weight: 600; font-size: 16px;
    cursor: pointer; transition: 0.3s;
}
.login-card button:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* Chat Screen */
.chat-container {
    width: 100vw; height: 100vh; max-width: 100%; /* Full screen */
    border-radius: 0;
    display: flex; flex-direction: column; overflow: hidden; position: relative;
    margin: 0;
}

/* Sidebar */
.sidebar {
    width: 350px; background: rgba(10, 15, 20, 0.5); border-right: 1px solid var(--panel-border);
    display: flex; flex-direction: column; transition: transform 0.3s; z-index: 10;
}
.sidebar-header {
    padding: 20px; display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--panel-border);
}
.user-info { display: flex; align-items: center; font-weight: 600; color: white; }
.icon-btn {
    background: transparent; border: none; color: var(--text-secondary); cursor: pointer;
    font-size: 20px; width: 40px; height: 40px; border-radius: 50%; transition: 0.2s;
    display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: rgba(255,255,255,0.1); color: var(--accent); }
.icon-btn.primary { color: var(--accent); }
.icon-btn.danger { color: var(--danger); }
.chat-list { flex: 1; overflow-y: auto; padding: 10px; }
.chat-section h3 { font-size: 12px; text-transform: uppercase; color: var(--text-secondary); margin: 15px 10px 5px; letter-spacing: 1px; }
.chat-item {
    display: flex; align-items: center; padding: 12px 10px; border-radius: 12px;
    cursor: pointer; transition: 0.2s; margin-bottom: 5px;
}
.chat-item:hover { background: rgba(255,255,255,0.05); }
.chat-item.active { background: rgba(64, 175, 230, 0.15); border-left: 3px solid var(--accent); }
.chat-item.unread .chat-item-name { font-weight: bold; color: white; }
.chat-item.unread::after { content: ''; width: 8px; height: 8px; background: var(--accent); border-radius: 50%; margin-left: auto; }
.avatar {
    width: 45px; height: 45px; border-radius: 50%; background: linear-gradient(135deg, #1e2a33, #151e24);
    display: flex; justify-content: center; align-items: center; font-weight: bold; font-size: 18px;
    color: var(--accent); flex-shrink: 0; overflow: hidden;
}
.avatar-img { width: 100%; height: 100%; object-fit: cover; }
.room-avatar { background: rgba(64, 175, 230, 0.1); }
.chat-item-info { margin-left: 15px; flex: 1; overflow: hidden; }
.chat-item-name { display: block; font-size: 15px; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Main Chat */
.main-chat { flex: 1; display: flex; flex-direction: column; background: transparent; position: relative; }
.chat-header {
    padding: 15px 25px; border-bottom: 1px solid var(--panel-border);
    display: flex; justify-content: space-between; align-items: center; background: rgba(10, 15, 20, 0.5);
}
.chat-header-info { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.chat-header-info h2 { font-size: 18px; font-weight: 600; color: white; }
.status-text { font-size: 12px; color: var(--accent); }

.messages-container {
    flex: 1; overflow-y: auto; padding: 25px; display: flex; flex-direction: column; gap: 15px;
    background: transparent; scroll-behavior: smooth;
}
.message { display: flex; flex-direction: column; max-width: 75%; animation: fadeIn 0.3s ease; position: relative; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.message-sender { font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; margin-left: 10px; }
.message-bubble { padding: 12px 18px; border-radius: 20px; font-size: 15px; line-height: 1.4; word-break: break-word; position: relative; }

.message.sent { align-self: flex-end; }
.message.sent .message-bubble { background: rgba(64, 175, 230, 0.15); border: 1px solid var(--accent); color: white; border-top-right-radius: 4px; }
.message.sent .message-sender { text-align: right; margin-right: 10px; margin-left: 0; }

.message.received { align-self: flex-start; }
.message.received .message-bubble { background: var(--panel-bg); border: 1px solid var(--panel-border); border-top-left-radius: 4px; }

.message-time { font-size: 10px; color: var(--text-secondary); margin-top: 4px; align-self: flex-end; margin-right: 10px; display: flex; align-items: center; gap: 5px; }
.ttl-indicator { color: var(--accent); font-weight: bold; }
.edited-tag { font-size: 10px; color: var(--text-secondary); margin-left: 5px; font-style: italic; }

.chat-input-area { position: relative; padding: 15px 25px; border-top: 1px solid var(--panel-border); background: rgba(10, 15, 20, 0.5); display: flex; align-items: center; gap: 10px; }
#message-form { flex: 1; display: flex; align-items: center; }
.chat-input-area input[type="text"] {
    flex: 1; background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border); padding: 14px 20px;
    border-radius: 24px; color: white; font-size: 15px; outline: none; transition: 0.3s;
}
.chat-input-area input[type="text"]:focus { border-color: var(--accent); background: rgba(64, 175, 230, 0.05); }

/* Notice Banners */
.notice-banner { text-align: center; padding: 15px; background: rgba(255, 71, 87, 0.1); border-top: 1px solid var(--danger); color: var(--danger); font-size: 14px; }

/* Pickers & Popups */
.picker { position: absolute; bottom: 80px; left: 20px; padding: 15px; border-radius: 16px; display: flex; flex-wrap: wrap; gap: 10px; max-width: 300px; max-height: 200px; overflow-y: auto; z-index: 100; }
#emoji-picker span { font-size: 24px; cursor: pointer; transition: transform 0.2s; }
#emoji-picker span:hover { transform: scale(1.2); }
.gif-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.gif-grid img { width: 100%; border-radius: 8px; cursor: pointer; }
.gif-msg { max-width: 250px; border-radius: 12px; }

.send-btn-container { position: relative; }
.popup-menu { position: absolute; bottom: 100%; right: 0; background: var(--panel-bg); border: 1px solid var(--panel-border); border-radius: 12px; padding: 5px; min-width: 150px; margin-bottom: 10px; box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.popup-item { padding: 10px 15px; cursor: pointer; font-size: 14px; border-radius: 8px; transition: background 0.2s; white-space: nowrap; }
.popup-item:hover { background: rgba(255,255,255,0.1); }

/* Recording */
.recording-preview { display: flex; align-items: center; justify-content: space-between; padding: 15px 25px; background: rgba(255, 71, 87, 0.1); border-top: 1px solid var(--danger); width: 100%; }
.pulse { animation: pulse 1.5s infinite; color: var(--danger); font-weight: bold; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.5; } 100% { opacity: 1; } }

/* Custom Player */
.custom-player { background: var(--player-bg, rgba(16, 30, 38, 0.7)); border: var(--player-border, 1px solid rgba(64, 175, 230, 0.2)); backdrop-filter: var(--player-backdrop, blur(10px)); border-radius: 12px; padding: 10px; margin-top: 5px; width: 280px; display: flex; flex-direction: column; gap: 10px; }
.custom-player-video-container { width: 100%; border-radius: 8px; overflow: hidden; background: #000; }
.custom-player-video-container video { width: 100%; display: block; max-height: 200px; object-fit: contain; }
.custom-player-controls { display: flex; align-items: center; gap: 10px; }
.player-btn { width: 35px; height: 35px; border-radius: 50%; border: none; background: var(--accent); color: #000; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; flex-shrink: 0; }
.player-progress-container { flex: 1; height: 6px; background: rgba(255,255,255,0.2); border-radius: 3px; cursor: pointer; overflow: hidden; }
.player-progress-bar { height: 100%; width: 0%; background: var(--accent); transition: width 0.1s linear; }
.player-time { font-size: 10px; color: var(--text-secondary); white-space: nowrap; }

/* Polls */
.poll-container { width: 250px; }
.poll-question { font-weight: bold; margin-bottom: 10px; }
.poll-option { background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border); border-radius: 8px; padding: 8px 12px; margin-bottom: 5px; position: relative; overflow: hidden; cursor: pointer; transition: 0.2s; display: flex; justify-content: space-between; align-items: center; }
.poll-option:not(.poll-voted .poll-option):hover { background: rgba(255,255,255,0.1); }
.poll-option-bg { position: absolute; top: 0; left: 0; height: 100%; background: rgba(64, 175, 230, 0.2); z-index: 1; transition: width 0.3s ease; }
.rtl-mode .poll-option-bg { left: auto; right: 0; }
.poll-option-text { position: relative; z-index: 2; font-size: 14px; }
.poll-option-votes { position: relative; z-index: 2; font-size: 12px; font-weight: bold; }
.poll-option.correct .poll-option-bg { background: rgba(46, 213, 115, 0.4); }
.poll-option.wrong .poll-option-bg { background: rgba(255, 71, 87, 0.4); }

/* Modals */
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: flex; justify-content: center; align-items: center; z-index: 1000; backdrop-filter: blur(5px); }
.modal-content { padding: 30px; border-radius: 20px; width: 90%; max-width: 400px; }
.modal-content h3 { margin-bottom: 20px; color: white; }
.modal-content input, .modal-content select { width: 100%; padding: 12px; margin-bottom: 15px; background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border); border-radius: 12px; color: white; }
.modal-content input[type="color"] { padding: 5px; height: 40px; cursor: pointer; }
.modal-content input[type="checkbox"] { width: auto; margin: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 10px; }
.modal-actions button { padding: 10px 20px; border-radius: 8px; border: none; font-weight: 600; cursor: pointer; transition: 0.2s; }
.modal-actions button:not(.text-btn) { background: var(--accent); color: #000; }
.modal-actions button:not(.text-btn):hover { background: var(--accent-hover); }
.text-btn { background: transparent; color: var(--text-secondary); border: none; cursor: pointer; font-weight: 600; padding: 10px; transition: 0.2s; }
.text-btn:hover { color: white; }
.danger-btn { background: rgba(255, 71, 87, 0.1); color: var(--danger); border: 1px solid var(--danger); padding: 10px 20px; border-radius: 8px; cursor: pointer; transition: 0.2s; width: 100%; margin-top: 10px; }
.danger-btn:hover { background: var(--danger); color: white; }

/* Settings Modal Specific */
.settings-content { max-width: 500px; display: flex; flex-direction: column; max-height: 80vh; }
.settings-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.settings-tabs { display: flex; gap: 10px; border-bottom: 1px solid var(--panel-border); margin-bottom: 20px; padding-bottom: 10px; overflow-x: auto; }
.tab-btn { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; padding: 5px 10px; font-weight: 500; white-space: nowrap; transition: 0.2s; }
.tab-btn.active { color: var(--accent); border-bottom: 2px solid var(--accent); }
.settings-body { flex: 1; overflow-y: auto; padding-right: 5px; }
.settings-tab-content { display: none; flex-direction: column; gap: 15px; }
.settings-tab-content.active { display: flex; }
.setting-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.setting-item label { color: white; font-size: 14px; }
.profile-edit { display: flex; flex-direction: column; align-items: center; gap: 15px; margin-bottom: 20px; }
.avatar-large { width: 100px; height: 100px; border-radius: 50%; background: var(--panel-border); display: flex; align-items: center; justify-content: center; font-size: 40px; color: var(--accent); overflow: hidden; }

.ttl-select { padding: 8px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border); color: white; }

.mobile-only { display: none; }

@media (max-width: 768px) {
    .chat-container { width: 100%; height: 100%; height: 100dvh; border-radius: 0; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 1; }
    .sidebar { position: absolute; left: -100%; width: 85%; max-width: 350px; height: 100%; background: var(--bg-color); z-index: 20; }
    .sidebar.active { left: 0; box-shadow: 5px 0 15px rgba(0,0,0,0.5); }
    .rtl-mode .sidebar { left: auto; right: -100%; }
    .rtl-mode .sidebar.active { right: 0; }
    .mobile-only { display: block; position: absolute; top: 15px; left: 15px; z-index: 30; background: var(--panel-bg); border: 1px solid var(--panel-border); border-radius: 8px; padding: 5px; color: white; }
    .rtl-mode .mobile-only { left: auto; right: 15px; }
    .chat-header { padding: 10px; flex-wrap: nowrap; gap: 5px; overflow-x: auto; scrollbar-width: none; }
    .rtl-mode .chat-header { padding: 10px; }
    .chat-header-info h2 { font-size: 16px; }
    .message { max-width: 90%; }
    
    .login-card { padding: 25px 20px; width: 90%; }
    .modal-content { padding: 20px; width: 95%; max-height: 90vh; overflow-y: auto; }
    .chat-input-area { padding: 10px; gap: 5px; flex-wrap: wrap; justify-content: space-around; }
    #message-form { width: 100%; flex: 1 1 100%; margin-top: 5px; }
    .chat-input-area .icon-btn { width: 36px; height: 36px; font-size: 16px; }
    .chat-input-area input[type="text"] { padding: 10px 15px; font-size: 14px; }
    .chat-actions { display: flex; flex-wrap: nowrap; gap: 5px; justify-content: flex-end; }
    #block-chat-btn { font-size: 12px; padding: 5px 10px; height: auto; border-radius: 8px; }
}

/* --- Reply Banner & Previews --- */
.reply-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: rgba(64, 175, 230, 0.1);
    border-left: 4px solid var(--accent);
    margin-bottom: 10px;
    border-radius: 8px;
}

.reply-banner-content {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#reply-banner-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--accent);
}

#reply-banner-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reply-preview {
    background: rgba(0,0,0,0.2);
    border-left: 3px solid var(--accent);
    padding: 5px 10px;
    margin-bottom: 5px;
    border-radius: 4px;
    font-size: 0.85rem;
}

.reply-preview-sender {
    font-weight: 600;
    color: var(--accent);
    display: block;
    margin-bottom: 2px;
}

/* --- Forwarded Tag --- */
.forwarded-tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* --- Reactions --- */
.reactions-bar {
    display: flex;
    gap: 5px;
    margin-top: 5px;
    flex-wrap: wrap;
}

.reaction-bubble {
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: background 0.2s;
}

.reaction-bubble:hover {
    background: rgba(255,255,255,0.2);
}

.reaction-bubble.active {
    background: rgba(64, 175, 230, 0.3);
    border: 1px solid var(--accent);
}

/* --- Context Menu --- */
.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 9999;
}
.overlay.hidden {
    display: none !important;
}
#message-context-overlay {
    z-index: 10000;
}

.context-menu {
    position: absolute;
    min-width: 200px;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid var(--panel-border);
    animation: scaleIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: top left;
}

@keyframes scaleIn {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.emoji-reaction-bar {
    display: flex;
    justify-content: space-around;
    padding: 8px 5px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    margin-bottom: 10px;
}

.reaction-emoji {
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.reaction-emoji:hover {
    transform: scale(1.3);
}

.context-menu-options {
    display: flex;
    flex-direction: column;
}

.context-option {
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s;
    font-size: 0.95rem;
}

.context-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

.context-separator {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 5px 0;
}

.text-danger {
    color: var(--danger) !important;
}

/* New Features: Pinned, Select, Search */
.pinned-banner { display: flex; align-items: center; gap: 10px; padding: 10px 15px; background: rgba(33, 50, 61, 0.9); border-bottom: 1px solid rgba(255,255,255,0.05); backdrop-filter: blur(10px); cursor: pointer; }
.pinned-banner.hidden { display: none; }
.pinned-icon { font-size: 1.2rem; }
.pinned-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.pinned-label { font-size: 0.75rem; color: var(--accent); font-weight: 600; }
.pinned-text { font-size: 0.9rem; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.selection-action-bar { display: flex; align-items: center; justify-content: space-between; padding: 15px; background: rgba(16, 30, 38, 0.95); backdrop-filter: blur(10px); border-top: 1px solid rgba(255,255,255,0.05); }
.selection-action-bar.hidden { display: none; }
.message.selected { background: rgba(64, 175, 230, 0.2); border: 1px solid var(--accent); }
.message.selected .msg-bubble { opacity: 0.9; }
.selection-actions { display: flex; gap: 15px; }

.message-checkbox-container { display: flex; align-items: center; justify-content: center; width: 40px; }
.message-checkbox { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; }
.msg-row.selectable { display: flex; align-items: center; }
.msg-row.selectable .message { flex: 1; }

/* Style for select options to match dark theme */
select option {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

/* Call Modal Extras */
.call-content { animation: callPulse 2s infinite; box-shadow: 0 0 30px rgba(64, 175, 230, 0.2); }
@keyframes callPulse { 0% { box-shadow: 0 0 30px rgba(64, 175, 230, 0.2); } 50% { box-shadow: 0 0 50px rgba(64, 175, 230, 0.6); } 100% { box-shadow: 0 0 30px rgba(64, 175, 230, 0.2); } }

/* Group Info Sidebar */
.group-info-sidebar {
    width: 300px;
    background: rgba(10, 15, 20, 0.7);
    border-left: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    z-index: 10;
    transition: transform 0.3s;
}

.group-info-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

.group-info-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
    text-align: center;
}

.group-info-details h3 {
    margin-top: 10px;
    font-size: 1.5rem;
    color: var(--accent);
}

.group-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.members-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.member-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.member-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-badge {
    font-size: 0.7rem;
    background: var(--accent);
    color: #000;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: bold;
    margin-left: 5px;
}

/* Group Creation Member Selection */
.selected-members {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
}

.selected-member-badge {
    background: rgba(64, 175, 230, 0.2);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.selected-member-badge .remove-member {
    cursor: pointer;
    font-weight: bold;
}


/* System & Invite Messages */
.message.system { max-width: 100%; align-items: center; margin: 10px 0; }
.system-message-text { background: rgba(255,255,255,0.1); padding: 6px 16px; border-radius: 20px; font-size: 13px; color: var(--text-secondary); text-align: center; }
.message.invite-message .message-bubble { border: 1px solid var(--primary); background: rgba(10,132,255,0.1); }
.invite-actions button { padding: 8px; font-size: 13px; }

@keyframes buzz-shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(3px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(3px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(1px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.buzz-shake {
    animation: buzz-shake 0.1s;
    animation-iteration-count: 8; /* Shakes rapidly 8 times for 0.8s total */
}

.buzz-message {
    color: #ff4757;
    font-weight: bold;
    font-size: 1.2em;
    text-align: center;
    margin: 10px 0;
    text-shadow: 0 0 5px rgba(255, 71, 87, 0.5);
    animation: pulse 1.5s infinite;
}


/* Doodle Feature */
#doodle-container {
    background: var(--bg-primary);
}
#doodle-canvas {
    cursor: crosshair;
    touch-action: none;
}
.doodle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid var(--panel-border);
    background: var(--panel-bg);
}
.doodle-header button.active {
    background: rgba(255, 255, 255, 0.2);
}

.view-page {
    width: 100%; height: 100%; display: none; flex-direction: column; background: transparent; overflow: hidden;
}
.view-page.active {
    display: flex;
}
.top-nav {
    display: flex; flex-direction: row; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--panel-border); background: rgba(10, 15, 20, 0.5); padding: 5px 15px; width: 100%; box-sizing: border-box;
}
.user-info-bar { display: none; }
.nav-tabs {
    display: flex; overflow-x: auto; padding: 0 10px; scrollbar-width: none; flex: 1; justify-content: center;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
    padding: 12px 15px; border: none; background: transparent; color: var(--text-secondary);
    font-weight: 600; font-size: 14px; cursor: pointer; white-space: nowrap; border-bottom: 2px solid transparent;
}
.nav-tab.active {
    color: var(--accent); border-bottom: 2px solid var(--accent);
}
.msg-search-result-item {
    padding: 8px; border-radius: 8px; cursor: pointer; background: rgba(0,0,0,0.2); text-align: left;
}
.msg-search-result-item:hover {
    background: rgba(64, 175, 230,0.1);
}


:fullscreen .chat-container, :-webkit-full-screen .chat-container { width: 100vw; max-width: none; height: 100vh; border-radius: 0; margin: 0; }

.doodle-widget {
    
    position: absolute;
    top: 70px;
    right: 20px;
    width: 320px;
    height: 450px;
    background: var(--bg-primary);
    z-index: 100;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    overflow: hidden;
    border: 1px solid var(--panel-border);
    
}
@media (max-width: 768px) {
    .doodle-widget {
        top: 60px;
        right: 5%;
        width: 90%;
        height: 50vh;
    }
}
.doodle-header {
    display: flex; justify-content: space-between; align-items: center; padding: 10px; background: rgba(10, 15, 20, 0.9); border-bottom: 1px solid var(--panel-border);
}

.doodle-header { cursor: grab; }
.doodle-header:active { cursor: grabbing; }

.doodle-resizer {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    cursor: se-resize;
    background: transparent;
    z-index: 1000;
}
.doodle-resizer::after {
    content: '';
    position: absolute;
    bottom: 3px;
    right: 3px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
}

@keyframes slideLeft { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(-10px); } }

@media (max-width: 768px) {
    .group-info-sidebar {
        position: fixed;
        top: 0;
        right: 0;
        width: 100vw !important;
        height: 100vh;
        z-index: 99999;
        background: rgba(10, 15, 20, 0.95);
        border-left: none;
    }
}