:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(15, 23, 42, 0.75);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.18);
    --btn-bg: rgba(255, 255, 255, 0.05);
    --btn-hover: rgba(255, 255, 255, 0.12);
    --btn-burn: rgba(239, 68, 68, 0.85);
    --font-mono: 'Fira Code', 'Courier New', Courier, monospace;
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --editor-font: var(--font-mono);
    --editor-font-size: 16px;
    --primary-color: #00fff9;
    --primary-shadow: rgba(0, 255, 249, 0.4);
    --primary-rgb: 0, 255, 249;
    --header-height: 56px;
}

body.theme-matrix {
    --primary-color: #00ff66;
    --primary-shadow: rgba(0, 255, 102, 0.4);
    --primary-rgb: 0, 255, 102;
}
body.theme-red {
    --primary-color: #ff0055;
    --primary-shadow: rgba(255, 0, 85, 0.4);
    --primary-rgb: 255, 0, 85;
}
body.theme-purple {
    --primary-color: #b026ff;
    --primary-shadow: rgba(176, 38, 255, 0.4);
    --primary-rgb: 176, 38, 255;
}
body.theme-amber {
    --primary-color: #ffb000;
    --primary-shadow: rgba(255, 176, 0, 0.4);
    --primary-rgb: 255, 176, 0;
}
body.theme-blue {
    --primary-color: #3b82f6;
    --primary-shadow: rgba(59, 130, 246, 0.4);
    --primary-rgb: 59, 130, 246;
}

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

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-color); }

body, html {
    height: 100%;
    height: 100dvh;
    width: 100%;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

/* --- Top Header Navigation --- */
#app-header {
    position: relative;
    flex-shrink: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 14px;
    z-index: 100;
    gap: 12px;
    box-sizing: border-box;
}

/* Left Section: Brand & Tabs */
.header-left-section {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    max-width: 45%;
}

.brand-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    border-radius: 8px;
    user-select: none;
    cursor: default;
}
.brand-icon {
    font-size: 0.9rem;
    color: var(--primary-color);
    filter: drop-shadow(0 0 6px var(--primary-shadow));
}
.brand-title {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #fff;
    font-family: var(--font-mono);
}
.sec-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--primary-color);
    animation: sec-pulse 2s infinite;
}
@keyframes sec-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.8); }
}

/* --- Tabs Bar --- */
#tabs-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 2px 0;
    min-width: 0;
    flex: 1 1 auto;
}
#tabs-bar::-webkit-scrollbar { display: none; }

#tabs-container {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.tab {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    user-select: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.tab:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: var(--border-highlight);
}
.tab.active {
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--text-color);
    border-color: rgba(var(--primary-rgb), 0.4);
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.15);
}
.tab-close {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    padding: 1px 4px;
    transition: all 0.15s;
}
.tab-close:hover {
    color: #ff4d6d;
    background: rgba(255, 77, 109, 0.15);
}

.header-icon-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--primary-color);
    cursor: pointer;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}
.header-icon-btn:hover {
    background: rgba(var(--primary-rgb), 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-shadow);
}

/* Profile and Presence styling */
.hud-profile-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 14px;
    color: var(--text-color);
    font-size: 0.78rem;
    font-family: var(--font-sans);
    font-weight: 500;
    transition: all 0.2s;
}
.hud-profile-pill:hover {
    background: rgba(var(--primary-rgb), 0.15);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 8px var(--primary-shadow);
}
.profile-avatar-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.2);
    border: 1px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    overflow: hidden;
}
.profile-name-text {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--primary-color);
    font-weight: 600;
}
.profile-edit-badge {
    font-size: 0.65rem;
    opacity: 0.6;
}
.presence-divider {
    width: 1px;
    height: 14px;
    background: var(--border-color);
}

.live-peers-container {
    display: flex;
    align-items: center;
    gap: 8px;
}
.peer-avatars-list {
    display: flex;
    align-items: center;
}

/* Peer Avatar Wrapper & Cyber Tooltip */
.peer-avatar-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    margin-left: -6px;
    padding: 3px;
    touch-action: manipulation;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    z-index: 1;
}
.peer-avatar-wrapper:first-child { margin-left: 0; }

.peer-avatar-bubble {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    pointer-events: none;
    box-sizing: border-box;
}
.peer-avatar-bubble img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.peer-avatar-wrapper:hover,
.peer-avatar-wrapper:active {
    z-index: 50;
}
.peer-avatar-wrapper:hover .peer-avatar-bubble,
.peer-avatar-wrapper:active .peer-avatar-bubble {
    transform: translateY(-3px) scale(1.2);
    box-shadow: 0 0 12px var(--primary-shadow);
}

/* Cyber Tooltip on Avatar Hover */
.peer-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: rgba(11, 15, 25, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-highlight);
    border-radius: 8px;
    padding: 5px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 300;
}
.peer-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: rgba(11, 15, 25, 0.96) transparent transparent transparent;
}
.peer-avatar-wrapper:hover .peer-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.peer-tooltip-name {
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-sans);
}
.peer-tooltip-action {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.3px;
}

.online-count-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    padding: 3px 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.online-count-badge:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}
.online-indicator-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #00ff66;
    box-shadow: 0 0 6px #00ff66;
}

/* Collaborators Modal List */
.collaborators-list-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 14px;
    max-height: 320px;
    overflow-y: auto;
}
.collaborator-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.15s;
}
.collaborator-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-highlight);
}
.collaborator-info {
    display: flex;
    align-items: center;
    gap: 10px;
}
.collaborator-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.collaborator-name {
    font-size: 0.88rem;
    font-weight: 600;
    font-family: var(--font-sans);
    color: var(--text-color);
}
.collaborator-status {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.btn-dm-user {
    padding: 5px 12px;
    font-size: 0.78rem;
    background: rgba(var(--primary-rgb), 0.15);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.15s;
}
.btn-dm-user:hover {
    background: var(--primary-color);
    color: #000;
}

/* Right Section: Action Bar */
.action-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.share-btn {
    background: rgba(var(--primary-rgb), 0.16) !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
    font-weight: 600 !important;
}
.share-btn:hover {
    background: rgba(var(--primary-rgb), 0.28) !important;
    box-shadow: 0 0 14px var(--primary-shadow) !important;
}

/* Standard Glass Buttons */
.btn {
    background: var(--btn-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}
.btn:hover {
    background: var(--btn-hover);
    border-color: var(--border-highlight);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.btn.primary-action {
    background: rgba(var(--primary-rgb), 0.12);
    border-color: rgba(var(--primary-rgb), 0.35);
    color: var(--primary-color);
}
.btn.primary-action:hover {
    background: rgba(var(--primary-rgb), 0.22);
    border-color: var(--primary-color);
    box-shadow: 0 0 14px var(--primary-shadow);
}
.btn.burn {
    color: #ff6b6b;
    border-color: rgba(255, 107, 107, 0.25);
    background: rgba(255, 107, 107, 0.06);
}
.btn.burn:hover {
    background: rgba(255, 107, 107, 0.15);
    border-color: #ff6b6b;
    box-shadow: 0 0 12px rgba(255, 107, 107, 0.3);
}

/* --- Dropdown Menus --- */
.dropdown-group {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(13, 19, 33, 0.94);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-highlight);
    border-radius: 12px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.05);
    z-index: 250;
}
.dropdown-group:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.menu-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin: 4px 0 2px 4px;
    font-weight: 600;
}
.menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
    border: none;
}
.menu-action-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    text-align: left;
    padding: 7px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.15s;
    font-family: var(--font-sans);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
}
.menu-action-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}
.menu-action-btn.burn:hover {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.12);
}
.menu-action-btn kbd {
    font-size: 0.7rem;
    padding: 2px 5px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.menu-row {
    display: flex;
    gap: 6px;
    padding: 4px;
    align-items: center;
}
.theme-picker-row {
    justify-content: space-between;
    padding: 6px;
}
.theme-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s;
}
.theme-btn:hover {
    transform: scale(1.15);
    border-color: #fff;
}
.bg-picker-input {
    width: 100%;
    height: 26px;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0 2px;
}
.ss-btn {
    padding: 5px 8px;
    cursor: pointer;
    border-radius: 6px;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.8rem;
    transition: background 0.15s;
    flex: 1;
    color: var(--text-muted);
}
.ss-btn:hover, .ss-btn.active {
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary-color);
}

.font-btn {
    flex: 1;
    padding: 5px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s;
}
.font-btn.active, .font-btn:hover {
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary-color);
    border-color: rgba(var(--primary-rgb), 0.3);
}

/* --- Floating Find & Replace Toolbar --- */
.find-replace-bar {
    position: fixed;
    top: calc(var(--header-height) + 12px);
    right: 20px;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-highlight);
    border-radius: 10px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    z-index: 90;
    animation: slide-down 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slide-down {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
.find-group, .replace-group {
    display: flex;
    align-items: center;
    gap: 6px;
}
.find-replace-bar input {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 10px;
    color: #fff;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    outline: none;
    width: 140px;
    transition: border-color 0.15s;
}
.find-replace-bar input:focus {
    border-color: var(--primary-color);
}
.find-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    min-width: 35px;
    text-align: center;
}
.find-icon-btn, .find-action-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 6px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s;
}
.find-icon-btn:hover, .find-action-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.close-find {
    font-size: 1.1rem;
    line-height: 1;
    padding: 3px 6px;
    color: var(--text-muted);
}
.close-find:hover { color: #ff4d6d; border-color: #ff4d6d; }

/* --- Main Workspace Area --- */
#workspace-main {
    position: relative;
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    margin-top: 0;
    overflow: hidden;
}

#editor, #editor-mirror, #preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 24px 36px;
    box-sizing: border-box;
    font-size: var(--editor-font-size);
    line-height: 1.7;
    font-family: var(--editor-font);
}

#editor, #editor-mirror {
    background: transparent;
    color: var(--text-color);
    border: none;
    resize: none;
    outline: none;
    tab-size: 2;
}

#editor::placeholder {
    color: rgba(148, 163, 184, 0.4);
}

#preview {
    overflow-y: auto;
    background: transparent;
    font-family: var(--font-sans);
}

/* Split View */
body.split-mode #editor, body.split-mode #editor-mirror {
    width: 50% !important;
    border-right: 1px solid var(--border-color);
}
body.split-mode #preview {
    left: 50% !important;
    width: 50% !important;
    display: block !important;
    background: rgba(0, 0, 0, 0.18);
}

/* --- Markdown Typography --- */
.markdown-body {
    color: var(--text-color);
    font-size: 1rem;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
    color: #fff;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}
.markdown-body h1 { font-size: 2rem; }
.markdown-body h2 { font-size: 1.5rem; }
.markdown-body h3 { font-size: 1.25rem; }
.markdown-body p { margin-bottom: 1.1em; line-height: 1.7; }
.markdown-body ul, .markdown-body ol { margin-left: 1.8em; margin-bottom: 1.1em; }
.markdown-body li { margin-bottom: 0.3em; }
.markdown-body blockquote {
    border-left: 3px solid var(--primary-color);
    padding: 8px 16px;
    margin: 1.2em 0;
    background: rgba(var(--primary-rgb), 0.04);
    color: #cbd5e1;
    border-radius: 0 8px 8px 0;
}
.markdown-body code {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--primary-color);
}
.markdown-body pre {
    background: #0d1117 !important;
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 1.2em 0;
    position: relative;
}
.markdown-body pre code {
    background: transparent !important;
    padding: 0;
    color: inherit;
    font-size: 0.9em;
}
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4em 0;
}
.markdown-body th, .markdown-body td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}
.markdown-body th {
    background: rgba(255, 255, 255, 0.04);
    font-weight: 600;
}
.markdown-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px dashed rgba(var(--primary-rgb), 0.4);
}
.markdown-body a:hover {
    border-bottom-style: solid;
}
.markdown-body input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--primary-color);
}

/* --- Neon & Glitch Effects --- */
.neon-text {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-shadow);
}

/* --- Splash Screen --- */
#splash-screen {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: #050811;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: opacity 0.6s ease-out;
    cursor: pointer;
}
#splash-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    perspective: 1000px;
    pointer-events: none;
}
.splash-content {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.splash-badge {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    letter-spacing: 2px;
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 6px;
}
.glitch-text {
    font-size: 4.5rem;
    font-weight: 800;
    color: #fff;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 6px;
    text-shadow: 0 0 14px var(--primary-shadow), 0 0 30px rgba(var(--primary-rgb), 0.3);
    animation: glitch-anim 2s infinite linear alternate-reverse;
}
.glitch-subtext {
    font-size: 1.1rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-family: var(--font-mono);
}
#splash-spinner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 14px;
    width: 100%;
}
.splash-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(var(--primary-rgb), 0.18);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.splash-loading-text {
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-align: center;
}

/* Flying Notes in Splash */
.flying-note {
    position: absolute;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    color: rgba(255, 255, 255, 0.2);
    padding: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    border-radius: 4px;
    filter: blur(1px);
    opacity: 0;
    pointer-events: none;
    animation: fly 5s linear infinite;
}
@keyframes fly {
    0% { transform: translateZ(-1000px) scale(0.1); opacity: 0; }
    20% { opacity: 0.7; }
    100% { transform: translateZ(500px) scale(3); opacity: 0; }
}

/* --- Sync Status Loader (Positioned at Bottom-Right to Never Block Top Text) --- */
.loader {
    position: fixed;
    bottom: calc(var(--hud-height) + 14px);
    right: 20px;
    background: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-highlight);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 12px rgba(var(--primary-rgb), 0.18);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--primary-color);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 100;
}
.loader.visible {
    opacity: 1;
    transform: translateY(0);
}
.loader-dot {
    width: 7px;
    height: 7px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 1s infinite;
    box-shadow: 0 0 8px var(--primary-color);
}
.loader.offline {
    background: rgba(234, 179, 8, 0.16);
    border-color: rgba(234, 179, 8, 0.5);
    color: #fef08a;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 10px rgba(234, 179, 8, 0.3);
}
.loader.offline .loader-dot {
    background: #eab308;
    box-shadow: 0 0 8px #eab308;
}

/* Typing Indicator (Stacked Neatly Above Sync Loader) */
.typing-indicator {
    position: fixed;
    bottom: calc(var(--hud-height) + 52px);
    right: 20px;
    color: var(--primary-color);
    background: rgba(11, 15, 25, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: 4px 12px;
    border-radius: 16px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0.9;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    z-index: 100;
    animation: pulse 1.5s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* --- Live Bottom Bar & Presence --- */
#live-hud.live-bottom-bar {
    position: relative;
    flex-shrink: 0;
    width: 100%;
    height: 38px;
    background: rgba(11, 15, 25, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 12px;
    z-index: 90;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    box-sizing: border-box;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.35);
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
}

#live-hud.live-bottom-bar::-webkit-scrollbar {
    display: none;
}

.hud-left-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    white-space: nowrap;
}

.hud-right-section {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
    flex-shrink: 0;
    white-space: nowrap;
    margin-left: auto;
}

.hud-stat {
    color: var(--text-muted);
    font-size: 0.73rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.hud-sec-pill {
    font-size: 0.7rem;
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    padding: 2px 7px;
    border-radius: 10px;
    letter-spacing: 0.5px;
    user-select: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.hud-profile-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 14px;
    color: var(--text-color);
    font-size: 0.78rem;
    font-family: var(--font-sans);
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.hud-profile-pill:hover {
    background: rgba(var(--primary-rgb), 0.15);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 8px var(--primary-shadow);
}

.hud-divider {
    width: 1px;
    height: 14px;
    background: var(--border-color);
    flex-shrink: 0;
}

.hud-timer-badge {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.4);
    color: #ff6b6b;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}
.glowing-dot {
    width: 6px;
    height: 6px;
    background-color: #ff0055;
    border-radius: 50%;
    box-shadow: 0 0 6px #ff0055;
}

/* --- Peer Cursors & Container --- */
#cursors-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 35;
}

.peer-cursor {
    position: absolute;
    width: 2px;
    height: 1.4em;
    background-color: var(--cursor-color, var(--primary-color));
    box-shadow: 0 0 10px var(--cursor-color, var(--primary-color));
    z-index: 40;
    transition: top 0.08s ease-out, left 0.08s ease-out;
    pointer-events: none;
}
.peer-cursor::after {
    content: attr(data-name);
    position: absolute;
    bottom: 100%;
    left: -2px;
    margin-bottom: 4px;
    background: var(--cursor-color, var(--primary-color));
    color: var(--cursor-text-color, #000);
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-sans);
    padding: 2px 7px;
    border-radius: 4px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    pointer-events: none;
}
#editor-mirror { 
    position: absolute;
    top: 0;
    left: 0;
    visibility: hidden; 
    white-space: pre-wrap; 
    word-wrap: break-word; 
    overflow-wrap: break-word;
    pointer-events: none; 
    overflow: hidden; 
}

/* --- Direct Messaging Window --- */
#dm-window {
    position: fixed;
    bottom: 60px;
    left: 20px;
    width: 320px;
    height: 380px;
    background: rgba(13, 19, 33, 0.95);
    border: 1px solid var(--border-highlight);
    border-radius: 14px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    overflow: hidden;
}
.dm-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
}
.dm-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
}
.dm-status-dot {
    width: 8px;
    height: 8px;
    background: #00ff66;
    border-radius: 50%;
    box-shadow: 0 0 6px #00ff66;
}
.dm-security-banner {
    padding: 4px 10px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-align: center;
    background: rgba(0, 255, 249, 0.04);
    border-bottom: 1px solid var(--border-color);
}
#dm-messages {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.dm-msg {
    padding: 8px 12px;
    border-radius: 10px;
    max-width: 85%;
    font-size: 0.85rem;
    line-height: 1.4;
    word-break: break-word;
}
.dm-msg.sent {
    align-self: flex-end;
    background: rgba(var(--primary-rgb), 0.18);
    color: #fff;
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    border-bottom-right-radius: 2px;
}
.dm-msg.received {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.08);
    color: #f1f5f9;
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 2px;
}
.dm-input-area {
    padding: 8px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 6px;
    background: rgba(0,0,0,0.2);
}
#dm-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
}
#dm-input:focus { border-color: var(--primary-color); }

/* --- Modals & Overlays --- */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 8, 16, 0.8);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    animation: fade-in 0.15s ease-out;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
    background: rgba(15, 23, 42, 0.94);
    border: 1px solid var(--border-highlight);
    border-radius: 16px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255,255,255,0.06);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-standard {
    width: 90%;
    max-width: 440px;
    padding: 28px;
}
.modal-title {
    font-size: 1.4rem;
    margin-bottom: 6px;
    color: var(--primary-color);
}
.modal-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}
.close-btn {
    position: absolute;
    top: 14px;
    right: 18px;
    font-size: 1.4rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: color 0.15s;
}
.close-btn:hover { color: #fff; }

.form-group {
    margin-bottom: 16px;
    text-align: left;
}
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: #cbd5e1;
    margin-bottom: 6px;
}
.form-group input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(var(--primary-rgb), 0.2);
}
.input-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}
.btn-full {
    width: 100%;
    justify-content: center;
    padding: 10px;
    font-size: 0.95rem;
    margin-top: 6px;
}
.copy-input-row {
    display: flex;
    gap: 6px;
}
.share-url-input {
    flex: 1;
    background: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 8px 10px;
    border-radius: 6px;
    outline: none;
}
.share-url-input.readonly-accent {
    background: rgba(255, 176, 0, 0.05);
    border-color: rgba(255, 176, 0, 0.3);
    color: #ffb000;
}
.profile-preview-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
}
.profile-preview-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.15);
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.profile-preview-avatar:hover {
    transform: scale(1.06);
    border-color: #fff;
    box-shadow: 0 0 14px rgba(var(--primary-rgb), 0.5);
}
.profile-preview-avatar::after {
    content: '📷';
    position: absolute;
    bottom: -1px;
    right: -1px;
    font-size: 0.68rem;
    background: rgba(11, 15, 25, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.profile-preview-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-preview-info {
    flex: 1;
    min-width: 0;
}
.profile-preview-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-sans);
}
.profile-preview-status {
    font-size: 0.75rem;
    color: #00ff66;
    font-family: var(--font-mono);
    margin-top: 2px;
}

/* Avatar Photo Upload Controls */
.avatar-upload-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.avatar-file-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-family: var(--font-sans);
    font-weight: 600;
    transition: all 0.15s;
    user-select: none;
}
.avatar-file-label:hover {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.4);
}
.avatar-clear-btn {
    padding: 7px 12px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 0, 85, 0.4);
    background: rgba(255, 0, 85, 0.1);
    color: #ff0055;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}
.avatar-clear-btn:hover {
    background: #ff0055;
    color: #fff;
}

.avatar-presets-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.avatar-preset-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    font-size: 1.15rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.avatar-preset-btn:hover {
    background: rgba(var(--primary-rgb), 0.2);
    border-color: var(--primary-color);
    transform: scale(1.15);
}

.share-qr-section {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}
.qr-wrapper-mini {
    display: inline-block;
    padding: 8px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 16px var(--primary-shadow);
    margin-bottom: 6px;
}
.share-qr-img {
    width: 140px;
    height: 140px;
    display: block;
}

.hud-sec-pill {
    padding: 2px 8px;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    border-radius: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Info Modal Content */
.info-modal-content {
    max-width: 620px;
    text-align: left;
}
.info-intro {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #e2e8f0;
    margin-bottom: 16px;
}
.feature-section-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 16px 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.feature-section-title.sec-header { color: #ff0055; }
.feature-list {
    list-style: none;
    margin-bottom: 16px;
}
.feature-list li {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 8px;
    padding-left: 14px;
    position: relative;
}
.feature-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}
.info-sec-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    color: #cbd5e1;
    margin-bottom: 16px;
}
.info-footer {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
    margin-top: 16px;
}

/* Command Palette Content */
.cmd-palette-content {
    max-width: 520px;
    width: 90%;
    padding: 0;
    overflow: hidden;
    margin-top: -10vh;
}
.cmd-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
}
.cmd-input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1rem;
    outline: none;
    font-family: var(--font-sans);
}
.cmd-results-list {
    max-height: 320px;
    overflow-y: auto;
    padding: 6px 0;
}
.cmd-item {
    padding: 10px 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    transition: all 0.1s;
}
.cmd-item.active, .cmd-item:hover {
    background: rgba(var(--primary-rgb), 0.12);
    color: #fff;
    border-left-color: var(--primary-color);
}
.cmd-footer {
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.3);
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
}
.cmd-footer kbd {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 5px;
    border-radius: 4px;
}

/* Merge Modal */
.merge-modal-content {
    max-width: 880px;
    width: 95%;
    padding: 24px;
}
.merge-columns { display: flex; gap: 16px; width: 100%; margin: 16px 0; }
.merge-col { flex: 1; }
.merge-textarea {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    padding: 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    resize: none;
    outline: none;
}
.merge-textarea.server-version {
    background: rgba(0, 255, 102, 0.04);
    border: 1px solid #00ff66;
    color: #00ff66;
}
.merge-textarea.local-version {
    background: rgba(var(--primary-rgb), 0.04);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}
.merge-textarea.final-version {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid #fff;
    color: #fff;
    height: 130px;
}

/* Custom Prompt Dialog */
.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 16px;
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 3000;
    pointer-events: none;
}
.toast {
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-highlight);
    color: #fff;
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
    animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1), toast-out 0.25s ease-in 2.75s forwards;
}
@keyframes toast-in {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toast-out {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-10px) scale(0.95); }
}
.toast.toast-success { border-color: rgba(var(--primary-rgb), 0.5); color: var(--primary-color); }
.toast.toast-error { border-color: rgba(255, 77, 109, 0.5); color: #ff4d6d; }

/* --- Matrix Canvas --- */
#matrix-canvas {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

/* --- Zen Mode --- */
body.zen-mode #app-header,
body.zen-mode #live-hud,
body.zen-mode #live-presence,
body.zen-mode #dm-window,
body.zen-mode .find-replace-bar {
    display: none !important;
}
body.zen-mode #workspace-main {
    margin-top: 0;
    height: 100vh;
}
body.zen-mode #editor, body.zen-mode #preview {
    padding: 40px max(10vw, 40px);
}
#zen-exit-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid var(--border-highlight);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    z-index: 10000;
    transition: all 0.2s;
}
#zen-exit-btn:hover { background: rgba(255, 255, 255, 0.15); }
body.zen-mode #zen-exit-btn { display: block; }

/* --- Mobile & Side-by-Side Responsiveness --- */
@media (max-width: 820px) {
    #app-header {
        flex-direction: row;
        height: var(--header-height);
        padding: 0 8px;
        gap: 6px;
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-x;
        scrollbar-width: none;
    }
    #app-header::-webkit-scrollbar {
        display: none;
    }
    .header-left-section {
        max-width: none;
        flex-shrink: 0;
    }
    .action-bar {
        flex-shrink: 0;
        gap: 4px;
        overflow-x: visible;
    }
    .btn { 
        padding: 4px 8px; 
        font-size: 0.78rem; 
        gap: 4px;
    }
    #editor, #preview, #editor-mirror { 
        padding: 16px 18px 24px 18px; 
    }
    .find-replace-bar { 
        left: 10px; 
        right: 10px; 
        flex-direction: column; 
        width: auto; 
    }
    #dm-window { 
        width: calc(100vw - 20px); 
        left: 10px; 
        height: 55vh; 
    }
    #live-hud.live-bottom-bar { 
        padding: 0 10px; 
        gap: 10px;
        font-size: 0.72rem;
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-x;
        scrollbar-width: none;
    }
    #live-hud.live-bottom-bar::-webkit-scrollbar { 
        display: none; 
    }
    .hud-left-section {
        flex-shrink: 0;
        gap: 8px;
    }
    .hud-right-section {
        flex-shrink: 0;
        gap: 8px;
        margin-left: 0;
        padding-right: 14px;
    }
    .hud-right-section::before {
        content: '';
        width: 1px;
        height: 14px;
        background: var(--border-color);
        display: inline-block;
        margin-right: 4px;
        flex-shrink: 0;
    }
    .glitch-text { 
        font-size: 2.5rem; 
    }
}

/* --- Mechanical Audio Picker --- */
.sound-picker-row {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    overflow-x: auto;
}
.sound-fx-btn {
    padding: 3px 8px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}
.sound-fx-btn:hover {
    color: #fff;
    border-color: var(--border-highlight);
}
.sound-fx-btn.active {
    background: rgba(var(--primary-rgb), 0.18);
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}

/* --- WPM Momentum & Streak Glow --- */
#hud-wpm-container {
    color: var(--primary-color);
    font-weight: 600;
}
#editor.wpm-blazing {
    box-shadow: inset 0 0 24px rgba(var(--primary-rgb), 0.18);
}

/* --- Task List Progress HUD --- */
#hud-tasks-container {
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    padding: 1px 6px;
    border-radius: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.7rem;
}

/* --- Real-Time Cursor Emoji Flares --- */
.flare-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1px 4px;
    user-select: none;
    flex-shrink: 0;
    white-space: nowrap;
}
.flare-btn {
    cursor: pointer;
    font-size: 0.8rem;
    padding: 2px 3px;
    border-radius: 4px;
    transition: transform 0.12s, background 0.12s;
    line-height: 1;
}
.flare-btn:hover {
    transform: scale(1.3);
    background: rgba(255, 255, 255, 0.1);
}
.flare-btn:active {
    transform: scale(0.9);
}

.cursor-flare-particle {
    position: absolute;
    pointer-events: none;
    font-size: 1.6rem;
    z-index: 200;
    animation: flare-rise-fade 1.5s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}
@keyframes flare-rise-fade {
    0% {
        opacity: 0;
        transform: translate(-50%, 0) scale(0.6);
    }
    15% {
        opacity: 1;
        transform: translate(-50%, -20px) scale(1.3);
    }
    70% {
        opacity: 0.9;
        transform: translate(-50%, -60px) scale(1.1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -90px) scale(0.8);
    }
}

/* --- WebRTC Voice Walkie-Talkie --- */
.hud-voice-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2px 8px;
    color: var(--text-color);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s;
    user-select: none;
    flex-shrink: 0;
    white-space: nowrap;
}
.hud-voice-btn:hover {
    border-color: var(--primary-color);
    color: #fff;
}
.hud-voice-btn.transmitting {
    background: rgba(255, 0, 85, 0.25);
    border-color: #ff0055;
    color: #ff0055;
    box-shadow: 0 0 10px rgba(255, 0, 85, 0.5);
    animation: voice-pulse 1s infinite;
}
.hud-voice-btn.active {
    background: rgba(0, 255, 102, 0.2);
    border-color: #00ff66;
    color: #00ff66;
    box-shadow: 0 0 8px rgba(0, 255, 102, 0.4);
}
@keyframes voice-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.peer-avatar-bubble.speaking {
    border-color: #00ff66 !important;
    box-shadow: 0 0 12px #00ff66, 0 0 0 2px #00ff66 !important;
    animation: peer-speaking-pulse 0.8s infinite;
}
@keyframes peer-speaking-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* --- Encrypted Whiteboard Canvas Tab (.draw) --- */
.canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.95), #0b0f19);
    z-index: 10;
}
.whiteboard-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 20;
}
.wb-tool-btn, .wb-action-btn {
    padding: 4px 10px;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}
.wb-tool-btn:hover, .wb-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}
.wb-tool-btn.active {
    background: rgba(var(--primary-rgb), 0.2);
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}
.wb-divider {
    width: 1px;
    height: 18px;
    background: var(--border-color);
}
.wb-colors {
    display: flex;
    align-items: center;
    gap: 6px;
}
.wb-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.12s;
}
.wb-color:hover {
    transform: scale(1.2);
}
.wb-color.active {
    border-color: #fff;
    box-shadow: 0 0 8px currentColor;
}
.wb-slider {
    width: 70px;
    accent-color: var(--primary-color);
    cursor: pointer;
}
#whiteboard-canvas {
    flex: 1;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    touch-action: none;
}

/* --- Stealth Panic Camouflage Overlay --- */
.panic-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #f8f9fa;
    color: #202124;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    user-select: text;
}
.panic-doc-header {
    background: #fff;
    border-bottom: 1px solid #dadce0;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.panic-doc-logo {
    font-size: 1.8rem;
}
.panic-doc-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.panic-doc-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1a73e8;
}
.panic-doc-menu {
    display: flex;
    gap: 14px;
    font-size: 0.85rem;
    color: #5f6368;
}
.panic-doc-menu span:hover {
    color: #202124;
    cursor: pointer;
}
.panic-doc-body {
    flex: 1;
    overflow-y: auto;
    background: #f1f3f4;
    padding: 30px 10px;
    display: flex;
    justify-content: center;
}
.panic-page {
    width: 816px;
    min-height: 1056px;
    background: #fff;
    box-shadow: 0 1px 3px rgba(60,64,67,.3), 0 4px 8px 3px rgba(60,64,67,.15);
    padding: 54px 72px;
    color: #202124;
    line-height: 1.6;
}
.panic-page h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: #1a73e8;
}
.panic-page h3 {
    font-size: 1.1rem;
    margin: 18px 0 8px 0;
}
.panic-page ul {
    margin-left: 20px;
}
.panic-exit-btn {
    position: fixed;
    bottom: 16px;
    right: 16px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.05);
    color: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-size: 0.72rem;
    cursor: pointer;
    transition: all 0.2s;
}
.panic-exit-btn:hover {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* ==========================================================================
   QUICKPAD v3.0 POWER SUITE STYLES
   ========================================================================== */

/* --- 1. Collaborator Laser Pointer Canvas & Spotlight --- */
.laser-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 45;
}

#workspace-main.laser-active,
#workspace-main.laser-active #editor,
#workspace-main.laser-active #preview {
    cursor: crosshair !important;
}

#hud-laser-btn.active {
    background: rgba(255, 0, 85, 0.25) !important;
    border-color: #ff0055 !important;
    color: #ff0055 !important;
    box-shadow: 0 0 14px rgba(255, 0, 85, 0.4);
}

.hud-tool-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 3px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    white-space: nowrap;
}
.hud-tool-btn:hover {
    background: rgba(var(--primary-rgb), 0.15);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Presenter Spotlight Mode */
body.spotlight-active #editor {
    caret-color: #ff0055;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.8);
}
body.spotlight-active #workspace-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle 280px at var(--spotlight-x, 50%) var(--spotlight-y, 50%), transparent 0%, rgba(5, 8, 16, 0.72) 100%);
    pointer-events: none;
    z-index: 35;
    transition: opacity 0.3s;
}

/* --- 2. Interactive Cyber Markdown Polls --- */
.cyber-poll-card {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(var(--primary-rgb), 0.4);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 12px rgba(var(--primary-rgb), 0.15);
    border-radius: 12px;
    padding: 16px 20px;
    margin: 20px 0;
    max-width: 580px;
    font-family: var(--font-sans);
}

.cyber-poll-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cyber-poll-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cyber-poll-badge {
    background: rgba(var(--primary-rgb), 0.15);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 0.7rem;
    font-family: var(--font-mono);
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cyber-poll-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.poll-option-row {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.2s ease;
}

.poll-option-row:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.08);
}

.poll-option-row.voted {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.25);
}

.poll-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(var(--primary-rgb), 0.25), rgba(var(--primary-rgb), 0.45));
    width: 0%;
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.poll-option-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    font-size: 0.92rem;
    color: var(--text-color);
}

.poll-option-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.poll-check-icon {
    font-size: 0.8rem;
    color: var(--primary-color);
    opacity: 0;
    transition: opacity 0.2s;
}

.poll-option-row.voted .poll-check-icon {
    opacity: 1;
}

.poll-stats {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cyber-poll-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* --- 3. Live Sandboxed Code Runner Console Drawer --- */
.code-runner-drawer {
    position: fixed;
    bottom: var(--hud-height);
    left: 0;
    right: 0;
    height: 260px;
    background: rgba(10, 15, 28, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-highlight);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    z-index: 90;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.code-runner-drawer.hidden {
    display: none !important;
}

.code-runner-header {
    height: 38px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.code-runner-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.03em;
}

.runner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff66;
    box-shadow: 0 0 8px #00ff66;
}

.runner-badge {
    background: rgba(var(--primary-rgb), 0.18);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 1px 6px;
    border-radius: 4px;
}

.code-runner-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-runner-actions .btn {
    padding: 4px 10px;
    font-size: 0.78rem;
    height: 26px;
}

.run-btn {
    background: linear-gradient(135deg, #00ff66, #00b347) !important;
    color: #050811 !important;
    font-weight: 700 !important;
    border: none !important;
    box-shadow: 0 0 12px rgba(0, 255, 102, 0.35) !important;
}

.console-output {
    flex: 1;
    overflow-y: auto;
    padding: 12px 18px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    line-height: 1.6;
    background: rgba(0, 0, 0, 0.3);
}

.console-log-entry {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 3px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    word-break: break-word;
}

.console-time {
    color: var(--text-muted);
    font-size: 0.75rem;
    flex-shrink: 0;
    user-select: none;
}

.console-msg {
    color: #e2e8f0;
    white-space: pre-wrap;
}

.console-error .console-msg {
    color: #ff0055;
}
.console-warn .console-msg {
    color: #ffb000;
}
.console-info .console-msg {
    color: var(--primary-color);
}
.console-return .console-msg {
    color: #00ff66;
}

.sandbox-iframe-container {
    height: 140px;
    border-top: 1px solid var(--border-color);
    background: #fff;
}
.sandbox-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* --- 4. Mermaid Diagrams & KaTeX Math --- */
.markdown-body .mermaid {
    display: flex;
    justify-content: center;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    margin: 20px 0;
    overflow-x: auto;
}

.markdown-body .mermaid svg {
    max-width: 100%;
    height: auto;
}

.katex-display {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 0;
}

/* --- 5. Typewriter Scroll & Focus Dimming --- */
@property --focus-top {
    syntax: '<length>';
    inherits: true;
    initial-value: 24px;
}

@property --focus-height {
    syntax: '<length>';
    inherits: true;
    initial-value: 36px;
}

body.typewriter-mode #editor {
    padding-bottom: 55vh !important;
}

body.focus-mode #editor {
    -webkit-mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.22) 0px,
        rgba(0, 0, 0, 0.22) calc(var(--focus-top, 24px) - 16px),
        rgba(0, 0, 0, 1) var(--focus-top, 24px),
        rgba(0, 0, 0, 1) calc(var(--focus-top, 24px) + var(--focus-height, 36px)),
        rgba(0, 0, 0, 0.22) calc(var(--focus-top, 24px) + var(--focus-height, 36px) + 16px),
        rgba(0, 0, 0, 0.22) 100%
    );
    mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.22) 0px,
        rgba(0, 0, 0, 0.22) calc(var(--focus-top, 24px) - 16px),
        rgba(0, 0, 0, 1) var(--focus-top, 24px),
        rgba(0, 0, 0, 1) calc(var(--focus-top, 24px) + var(--focus-height, 36px)),
        rgba(0, 0, 0, 0.22) calc(var(--focus-top, 24px) + var(--focus-height, 36px) + 16px),
        rgba(0, 0, 0, 0.22) 100%
    );
    transition: --focus-top 0.12s ease-out, --focus-height 0.12s ease-out;
}

.focus-line-indicator {
    position: absolute;
    left: 12px;
    width: 3.5px;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px rgba(var(--primary-rgb), 0.5);
    border-radius: 4px;
    pointer-events: none;
    opacity: 0;
    transition: top 0.12s ease-out, height 0.12s ease-out, left 0.12s ease-out, opacity 0.2s ease;
    z-index: 5;
}

body.focus-mode .focus-line-indicator {
    opacity: 1;
}

/* --- 6. Inline Slash Command Snippet Expander Popup --- */
.slash-popup {
    position: absolute;
    width: 290px;
    max-height: 340px;
    background: rgba(13, 19, 33, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-highlight);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.75), 0 0 16px rgba(var(--primary-rgb), 0.2);
    border-radius: 12px;
    overflow: hidden;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    animation: slashFadeIn 0.15s ease-out;
}

@keyframes slashFadeIn {
    from { opacity: 0; transform: translateY(6px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.slash-popup-header {
    padding: 8px 12px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.08);
    border-bottom: 1px solid var(--border-color);
}

.slash-items-list {
    overflow-y: auto;
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.slash-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-color);
    transition: all 0.12s ease;
}

.slash-item:hover,
.slash-item.selected {
    background: rgba(var(--primary-rgb), 0.18);
    color: #fff;
}

.slash-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slash-item-icon {
    font-size: 1rem;
    width: 20px;
    display: inline-flex;
    justify-content: center;
}

.slash-item-hint {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

/* --- 7. Ghost Image Steganography Modal --- */
.steg-modal-content {
    max-width: 540px;
}

.steg-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.steg-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 8px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.steg-tab-btn.active {
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary-color);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
}

.steg-dropzone {
    border: 2px dashed rgba(var(--primary-rgb), 0.35);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.steg-dropzone:hover {
    border-color: var(--primary-color);
}
.steg-dropzone.drag-active,
.wormhole-dropzone.drag-active {
    border-color: #00fff9 !important;
    background: rgba(0, 255, 249, 0.08) !important;
    box-shadow: 0 0 20px rgba(0, 255, 249, 0.25) inset !important;
}

.steg-preview-canvas {
    max-width: 100%;
    height: 140px;
    border-radius: 8px;
    background: #000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.steg-preview-img {
    max-width: 100%;
    max-height: 140px;
    border-radius: 8px;
    object-fit: contain;
}

.steg-drop-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.steg-actions-row {
    display: flex;
    gap: 8px;
    width: 100%;
    justify-content: center;
}

/* --- 8. WebRTC P2P Wormhole File Beam Modal --- */
.wormhole-peers-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 140px;
    overflow-y: auto;
    padding: 4px;
}

.wormhole-peer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.wormhole-peer-item:hover,
.wormhole-peer-item.selected {
    border-color: #00ff66;
    background: rgba(0, 255, 102, 0.1);
}

.wormhole-peer-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wormhole-peer-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.08);
}

.wormhole-empty-peers {
    padding: 12px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.wormhole-dropzone {
    border: 2px dashed rgba(0, 255, 102, 0.35);
    background: rgba(0, 255, 102, 0.03);
    border-radius: 10px;
    padding: 18px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.wormhole-file-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    margin-bottom: 4px;
}

.wormhole-name {
    font-weight: 700;
    color: #00ff66;
    font-size: 0.95rem;
    font-family: var(--font-mono);
}

.wormhole-size {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.wormhole-progress-container {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.wormhole-progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    font-family: var(--font-mono);
}

.wormhole-progress-bar {
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.wormhole-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #00ff66, #00fff9);
    box-shadow: 0 0 10px rgba(0, 255, 102, 0.5);
    transition: width 0.15s ease-out;
}

.wormhole-speed {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-align: right;
}

.wormhole-peer-check {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 12px;
    background: rgba(0, 255, 102, 0.2);
    color: #00ff66;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 102, 0.4);
}

.wormhole-peer-select-btn {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
}

#wormhole-send-btn.ready-pulse {
    background: linear-gradient(135deg, #00ff66, #00fff9) !important;
    color: #000 !important;
    font-weight: 700 !important;
    box-shadow: 0 0 18px rgba(0, 255, 102, 0.5) !important;
    animation: readyPulse 2s infinite ease-in-out;
}

@keyframes readyPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 15px rgba(0, 255, 102, 0.4); }
    50% { transform: scale(1.015); box-shadow: 0 0 25px rgba(0, 255, 102, 0.7); }
}