:root{--bg: #000000;--bg-surface: #0d0d0d;--bg-raised: #151515;--bg-hover: #1a1a1a;--border: #2a2a2a;--border-focus: #00d4aa;--text: #d4d4d4;--text-muted: #777777;--text-dim: #444444;--accent: #00d4aa;--accent-dim: #00a88a;--success: #22c55e;--error: #ef4444;--warning: #f59e0b;--info: #3b82f6;--sidebar-width: 420px;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", "Courier New", monospace;--radius: 4px;--radius-lg: 8px}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;background:var(--bg);color:var(--text);font-family:var(--font-mono);font-size:14px;line-height:1.5;overflow:hidden}#app{width:100%;height:100%;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.app-main{flex:1;display:flex;overflow:hidden}.sidebar{width:0;min-width:0;overflow:hidden;background:var(--bg-surface);border-right:1px solid var(--border);transition:width .3s ease,min-width .3s ease;display:flex;flex-direction:column}.sidebar.open{width:var(--sidebar-width);min-width:var(--sidebar-width)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.sidebar-title{font-size:16px;font-weight:700;color:var(--accent);letter-spacing:1px}.sidebar-close{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:0 4px;line-height:1}.sidebar-close:hover{color:var(--text)}.sidebar-body{flex:1;overflow-y:auto;padding:12px 0}.lesson-list-sidebar{display:flex;flex-direction:column}.sidebar-lesson-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;transition:background .15s;border-left:3px solid transparent}.sidebar-lesson-item:hover{background:var(--bg-hover);border-left-color:var(--accent-dim)}.sidebar-lesson-item.completed{border-left-color:var(--success)}.sidebar-lesson-item .lesson-num{color:var(--text-dim);font-weight:700;font-size:13px;min-width:24px}.sidebar-lesson-item.completed .lesson-num{color:var(--success)}.sidebar-lesson-item .lesson-name{flex:1;font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-lesson-item .lesson-xp{font-size:11px;color:var(--accent);white-space:nowrap}.sidebar-lesson-item .check{color:var(--success);margin-left:4px}.sidebar-lesson-header{display:flex;align-items:center;justify-content:space-between;padding:0 16px 12px;border-bottom:1px solid var(--border);margin-bottom:12px}.sidebar-back{font-family:var(--font-mono);font-size:12px;padding:4px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);color:var(--text-muted);cursor:pointer}.sidebar-back:hover{color:var(--text);border-color:var(--accent-dim)}.auto-follow-btn{font-family:var(--font-mono);font-size:11px;padding:3px 8px;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .15s}.auto-follow-btn:hover{color:var(--text-muted);border-color:var(--text-muted)}.auto-follow-btn.active{color:var(--accent);border-color:var(--accent)}.auto-follow-btn.active:hover{color:var(--accent-dim);border-color:var(--accent-dim)}.sidebar-markdown{padding:0 16px}.term-area{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}.term-container{flex:1;background:#000;overflow:hidden}.term-container .xterm{height:100%}.terminal-container{flex:1;background:#000;overflow:hidden}.terminal-container .xterm{height:100%}.exercise-bar{display:flex;align-items:center;gap:10px;padding:6px 12px;background:var(--bg-surface);border-top:1px solid var(--border);flex-shrink:0}.exercise-bar.hidden{display:none}.exercise-dots{display:flex;gap:5px}.exercise-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:background .3s}.exercise-dot.completed{background:var(--success)}.exercise-dot.active{background:var(--accent);box-shadow:0 0 6px var(--accent)}.exercise-title{flex:1;font-size:12px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exercise-xp-label{font-size:11px;color:var(--accent);font-weight:600}.hint-btn{font-family:var(--font-mono);font-size:11px;padding:2px 8px;border:1px solid var(--warning);border-radius:var(--radius);background:transparent;color:var(--warning);cursor:pointer}.hint-btn:hover{background:#f59e0b1a}.tts-btn{font-family:var(--font-mono);font-size:11px;padding:2px 8px;border:1px solid var(--accent);border-radius:var(--radius);background:transparent;color:var(--accent);cursor:pointer;transition:all .15s}.tts-btn:hover{background:#00d4aa1a}.tts-btn.speaking{color:var(--error);border-color:var(--error)}.tts-btn.speaking:hover{background:#ef44441a}.tts-controls{display:inline-flex;align-items:center;gap:2px}.tts-speed-btn{font-family:var(--font-mono);font-size:12px;width:20px;height:20px;padding:0;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1;transition:all .15s}.tts-speed-btn:hover{color:var(--accent);border-color:var(--accent-dim)}.tts-rate-label{font-size:10px;color:var(--text-dim);min-width:32px;text-align:center}.tts-sidebar-btn{font-family:var(--font-mono);font-size:11px;padding:3px 8px;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .15s}.tts-sidebar-btn:hover{color:var(--text-muted);border-color:var(--text-muted)}.tts-sidebar-btn.speaking{color:var(--error);border-color:var(--error)}.auto-read-btn{font-family:var(--font-mono);font-size:11px;padding:3px 8px;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .15s}.auto-read-btn:hover{color:var(--text-muted);border-color:var(--text-muted)}.auto-read-btn.active{color:var(--accent);border-color:var(--accent)}.auto-read-btn.active:hover{color:var(--accent-dim);border-color:var(--accent-dim)}.status-bar{display:flex;align-items:center;gap:12px;padding:4px 12px;background:var(--bg-surface);border-top:1px solid var(--border);flex-shrink:0;font-size:11px}.status-level{color:var(--accent);font-weight:600}.status-xp-bar{width:80px;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.status-xp-fill{height:100%;background:var(--accent);transition:width .5s ease}.status-xp{color:var(--text-muted)}.status-lessons{color:var(--text-dim)}.status-spacer{flex:1}.status-btn{font-family:var(--font-mono);font-size:11px;padding:1px 8px;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-muted);cursor:pointer}.status-btn:hover{color:var(--accent);border-color:var(--accent-dim)}.markdown-pane h1{font-size:18px;color:var(--accent);margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid var(--border)}.markdown-pane h2{font-size:15px;color:var(--text);margin-top:20px;margin-bottom:8px}.markdown-pane h3{font-size:13px;color:var(--text);margin-top:16px;margin-bottom:6px}.markdown-pane p{margin-bottom:10px;color:var(--text);font-size:13px}.markdown-pane code{font-family:var(--font-mono);font-size:12px;background:var(--bg-raised);padding:1px 5px;border-radius:3px;color:var(--accent)}.markdown-pane pre{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;margin-bottom:12px;overflow-x:auto}.markdown-pane pre code{background:none;padding:0;color:var(--text)}.markdown-pane table{width:100%;border-collapse:collapse;margin-bottom:12px;font-size:12px}.markdown-pane th,.markdown-pane td{border:1px solid var(--border);padding:4px 8px;text-align:left}.markdown-pane th{background:var(--bg-raised);color:var(--text-muted);font-weight:600}.markdown-pane ul,.markdown-pane ol{margin-bottom:10px;padding-left:20px;font-size:13px}.markdown-pane li{margin-bottom:3px}.markdown-pane hr{border:none;border-top:1px solid var(--border);margin:16px 0}.markdown-pane blockquote{border-left:2px solid var(--accent-dim);padding-left:12px;color:var(--text-muted);margin-bottom:10px;font-size:13px}.markdown-pane strong{color:#fff;font-weight:600}.boot-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;display:flex;align-items:center;justify-content:center;z-index:300;transition:opacity .5s ease}.boot-overlay.fade-out{opacity:0;pointer-events:none}.boot-content{text-align:center}.boot-ascii{color:var(--accent);font-size:14px;line-height:1.2;margin-bottom:32px;white-space:pre}.boot-progress-wrap{width:280px;margin:0 auto 20px}.boot-progress-bar{width:100%;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.boot-progress-fill{height:100%;width:0%;background:var(--accent);border-radius:2px;transition:width .3s ease}.boot-hint{color:var(--text-dim);font-size:11px;margin-top:14px;text-align:center}.boot-status{display:flex;align-items:center;justify-content:center;gap:12px}.loading-spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#boot-message{color:var(--text-muted);font-size:13px}.hint-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100}.hint-dialog{background:var(--bg-surface);border:1px solid var(--warning);border-radius:var(--radius-lg);padding:20px;max-width:480px;width:90%}.hint-dialog h3{color:var(--warning);font-size:14px;margin-bottom:10px}.hint-text{color:var(--text);font-size:13px;margin-bottom:6px;line-height:1.5}.hint-penalty{color:var(--text-dim);font-size:11px;margin-top:10px}.hint-close-btn{margin-top:14px;font-family:var(--font-mono);font-size:12px;padding:5px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);color:var(--text);cursor:pointer}.hint-close-btn:hover{background:var(--bg-hover)}.toast-container{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:8px}.toast{padding:8px 16px;border-radius:var(--radius);font-size:12px;font-family:var(--font-mono);animation:toast-in .3s ease,toast-out .3s ease 2.7s forwards;max-width:360px}.toast.success{background:#22c55e26;border:1px solid var(--success);color:var(--success)}.toast.error{background:#ef444426;border:1px solid var(--error);color:var(--error)}.toast.info{background:#3b82f626;border:1px solid var(--info);color:var(--info)}@keyframes toast-in{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes toast-out{0%{opacity:1}to{opacity:0}}.btn{font-family:var(--font-mono);font-size:12px;padding:4px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-raised);color:var(--text-muted);cursor:pointer;transition:all .15s}.btn:hover{background:var(--bg-hover);color:var(--text);border-color:var(--accent-dim)}.lesson-picker{width:100%;height:100%;overflow-y:auto;display:flex;flex-direction:column;align-items:center;padding:40px 24px 60px}.picker-header{text-align:center;margin-bottom:36px;flex-shrink:0}.picker-ascii{color:var(--accent);font-size:12px;line-height:1.2;margin-bottom:20px;white-space:pre;opacity:.85}.picker-stats{display:flex;flex-direction:column;align-items:center;gap:6px}.picker-level{color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.5px}.picker-xp-row{display:flex;align-items:center;gap:10px}.picker-xp-bar{width:140px;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.picker-xp-fill{height:100%;background:var(--accent);transition:width .5s ease;border-radius:3px}.picker-xp-text{color:var(--text-muted);font-size:12px}.picker-total{color:var(--text-dim);font-size:11px}.picker-list{display:flex;flex-direction:column;gap:4px;max-width:640px;width:100%;margin-bottom:32px}.lesson-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;cursor:pointer;transition:border-color .12s,background .12s;display:flex;align-items:center;gap:12px;border-left:3px solid var(--border)}.lesson-card:hover,.lesson-card.focused{background:var(--bg-hover);border-color:var(--accent-dim);border-left-color:var(--accent)}.lesson-card.focused{box-shadow:0 0 0 1px var(--accent-dim)}.lesson-card.completed,.lesson-card.completed:hover,.lesson-card.completed.focused{border-left-color:var(--success)}.card-num{color:var(--text-dim);font-weight:700;font-size:14px;min-width:22px;flex-shrink:0}.lesson-card.completed .card-num{color:var(--success)}.card-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.card-title-row{display:flex;align-items:center;gap:8px}.card-title{font-size:13px;color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-category{font-size:10px;color:var(--text-muted);background:var(--bg-raised);padding:1px 6px;border-radius:3px;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}.card-check{color:var(--success);font-size:13px;font-weight:700;flex-shrink:0}.card-arrow{color:var(--text-dim);font-size:10px;flex-shrink:0;opacity:0;transition:opacity .12s}.lesson-card:hover .card-arrow,.lesson-card.focused .card-arrow{opacity:1;color:var(--accent)}.difficulty-dots{display:inline-flex;gap:4px}.diff-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--border)}.diff-dot.active{background:var(--warning)}.card-progress-row{display:flex;align-items:center;gap:8px}.card-progress-bar{width:80px;height:3px;background:var(--border);border-radius:2px;overflow:hidden;flex-shrink:0}.card-progress-fill{height:100%;background:var(--accent);transition:width .3s ease;border-radius:2px}.lesson-card.completed .card-progress-fill{background:var(--success)}.card-progress-text{font-size:11px;color:var(--text-dim);flex-shrink:0}.card-xp{font-size:11px;color:var(--accent);font-weight:600;flex-shrink:0}.card-reset-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-dim);font-size:13px;cursor:pointer;padding:1px 6px;line-height:1}.card-reset-btn:hover{color:var(--error);border-color:var(--error)}.picker-footer{flex-shrink:0;display:flex;align-items:center;justify-content:center;gap:20px}.picker-hint{color:var(--text-dim);font-size:11px}.picker-reset-btn{font-family:var(--font-mono);font-size:11px;padding:5px 14px;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .15s}.picker-reset-btn:hover{color:var(--error);border-color:var(--error)}.next-steps-area{background:radial-gradient(circle at 20% 12%,rgba(0,212,170,.14),transparent 36%),radial-gradient(circle at 80% 0%,rgba(59,130,246,.15),transparent 30%),#040404}.next-steps-container{flex:1;overflow-y:auto;padding:28px 26px 34px}.next-steps-guide{max-width:1040px;margin:0 auto;display:flex;flex-direction:column;gap:16px;animation:next-fade .22s ease-out}@keyframes next-fade{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.next-hero{border:1px solid rgba(0,212,170,.35);background:linear-gradient(135deg,#00d4aa1f,#0006);border-radius:12px;padding:18px 20px}.next-kicker{color:#a7fff0;text-transform:uppercase;letter-spacing:1px;font-size:11px;margin-bottom:8px}.next-hero h1{color:#e8fffb;font-size:26px;line-height:1.2;margin-bottom:8px}.next-hero-copy{color:#bce3dd;font-size:13px;max-width:860px}.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.next-panel{border:1px solid var(--border);border-radius:10px;background:#080808d6;padding:14px}.next-panel h2{font-size:14px;color:var(--accent);margin-bottom:10px}.next-panel ul{margin-left:18px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text)}.next-choice-row{display:flex;flex-wrap:wrap;gap:8px}.next-choice-row.compact .next-choice-btn{font-size:11px;padding:5px 8px}.next-choice-btn{border:1px solid var(--border);color:var(--text);background:linear-gradient(180deg,#151515,#0b0b0b);border-radius:999px;padding:6px 10px;font-family:var(--font-mono);font-size:12px;cursor:pointer;transition:border-color .12s ease,color .12s ease,transform .12s ease}.next-choice-btn:hover{border-color:var(--accent-dim);color:#eafffb}.next-choice-btn.selected{border-color:var(--accent);color:#d3fff7;box-shadow:0 0 0 1px #00d4aa40;transform:translateY(-1px)}.next-inline-label{margin:10px 0 8px;color:var(--text-muted);font-size:12px}.next-plan{border:1px solid rgba(59,130,246,.32);background:#060a10db;border-radius:10px;padding:14px}.next-plan-head h2{color:#8ec8ff;font-size:16px;margin-bottom:6px}.next-plan-head p{color:#b9d0e8;font-size:13px;margin-bottom:12px}.next-step-list{list-style:none;display:flex;flex-direction:column;gap:10px}.next-step-item{display:grid;grid-template-columns:28px 1fr;gap:10px}.next-step-index{width:28px;height:28px;border-radius:999px;border:1px solid rgba(59,130,246,.6);color:#97cfff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:2px}.next-step-content h3{color:#e6f3ff;font-size:14px;margin-bottom:4px}.next-step-content p{color:#cad8e6;font-size:13px;margin-bottom:8px}.next-step-content pre{background:#05080c;border:1px solid #223446;border-radius:8px;padding:10px 11px;overflow-x:auto;margin-bottom:7px}.next-step-content code{font-size:12px;color:#d6f0ff}.next-copy-btn{border:1px solid #2f4a64;color:#b9d9f8;background:#0a141f;border-radius:999px;padding:4px 10px;font-family:var(--font-mono);font-size:11px;cursor:pointer}.next-copy-btn:hover{border-color:#67a8e8;color:#e4f2ff}.next-resources h2{margin-bottom:10px}.next-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.next-resource-grid a{border:1px solid var(--border);border-radius:8px;padding:8px 9px;color:var(--text);text-decoration:none;font-size:12px;background:#0b0b0b;transition:border-color .12s ease,color .12s ease}.next-resource-grid a:hover{border-color:var(--accent);color:#d8fff8}@media(max-width:960px){.next-grid{grid-template-columns:1fr}.next-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.next-steps-container{padding:16px 12px 20px}.next-hero h1{font-size:20px}.next-step-item{grid-template-columns:24px 1fr}.next-step-index{width:24px;height:24px;font-size:11px}.next-resource-grid{grid-template-columns:1fr}}/**
 * Copyright (c) 2014 The xterm.js authors. All rights reserved.
 * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
 * https://github.com/chjj/term.js
 * @license MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * Originally forked from (with the author's permission):
 *   Fabrice Bellard's javascript vt100 for jslinux:
 *   http://bellard.org/jslinux/
 *   Copyright (c) 2011 Fabrice Bellard
 *   The original design remains. The terminal itself
 *   has been extended to include xterm CSI codes, among
 *   other features.
 */.xterm{cursor:text;position:relative;user-select:none;-ms-user-select:none;-webkit-user-select:none}.xterm.focus,.xterm:focus{outline:none}.xterm .xterm-helpers{position:absolute;top:0;z-index:5}.xterm .xterm-helper-textarea{padding:0;border:0;margin:0;position:absolute;opacity:0;left:-9999em;top:0;width:0;height:0;z-index:-5;white-space:nowrap;overflow:hidden;resize:none}.xterm .composition-view{background:#000;color:#fff;display:none;position:absolute;white-space:nowrap;z-index:1}.xterm .composition-view.active{display:block}.xterm .xterm-viewport{background-color:#000;overflow-y:scroll;cursor:default;position:absolute;inset:0}.xterm .xterm-screen{position:relative}.xterm .xterm-screen canvas{position:absolute;left:0;top:0}.xterm .xterm-scroll-area{visibility:hidden}.xterm-char-measure-element{display:inline-block;visibility:hidden;position:absolute;top:0;left:-9999em;line-height:normal}.xterm.enable-mouse-events{cursor:default}.xterm.xterm-cursor-pointer,.xterm .xterm-cursor-pointer{cursor:pointer}.xterm.column-select.focus{cursor:crosshair}.xterm .xterm-accessibility:not(.debug),.xterm .xterm-message{position:absolute;inset:0;z-index:10;color:transparent;pointer-events:none}.xterm .xterm-accessibility-tree:not(.debug) *::selection{color:transparent}.xterm .xterm-accessibility-tree{user-select:text;white-space:pre}.xterm .live-region{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.xterm-dim{opacity:1!important}.xterm-underline-1{text-decoration:underline}.xterm-underline-2{text-decoration:double underline}.xterm-underline-3{text-decoration:wavy underline}.xterm-underline-4{text-decoration:dotted underline}.xterm-underline-5{text-decoration:dashed underline}.xterm-overline{text-decoration:overline}.xterm-overline.xterm-underline-1{text-decoration:overline underline}.xterm-overline.xterm-underline-2{text-decoration:overline double underline}.xterm-overline.xterm-underline-3{text-decoration:overline wavy underline}.xterm-overline.xterm-underline-4{text-decoration:overline dotted underline}.xterm-overline.xterm-underline-5{text-decoration:overline dashed underline}.xterm-strikethrough{text-decoration:line-through}.xterm-screen .xterm-decoration-container .xterm-decoration{z-index:6;position:absolute}.xterm-screen .xterm-decoration-container .xterm-decoration.xterm-decoration-top-layer{z-index:7}.xterm-decoration-overview-ruler{z-index:8;position:absolute;top:0;right:0;pointer-events:none}.xterm-decoration-top{z-index:2;position:relative}