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17.9z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");background-size:40px 40px,auto}.challenges-page:after{content:"";position:fixed;top:16px;right:16px;width:40px;height:40px;pointer-events:none;z-index:0;border-top:2px solid rgba(192,57,43,.12);border-right:2px solid rgba(192,57,43,.12)}.page-header{display:flex;align-items:center;gap:16px;margin-bottom:8px;flex-wrap:wrap;position:relative;z-index:1}.page-header h1{font-size:26px;font-weight:800;letter-spacing:-.5px;position:relative;padding-bottom:6px}.page-header h1:after{content:"";position:absolute;bottom:0;left:0;height:2px;background:var(--red);width:100%;animation:headerLine .6s ease-out}@keyframes headerLine{0%{width:0}to{width:100%}}.challenge-subtitle{width:100%;font-size:11px;color:#c0392b80;letter-spacing:2px;margin-bottom:4px}.challenge-stats{width:100%;font-size:11px;color:var(--text-muted);letter-spacing:1px;margin-bottom:20px;display:flex;gap:16px}.challenge-stats span{color:var(--text-secondary)}.challenge-stats .sep{color:var(--border-light)}.challenge-count{font-size:13px;color:var(--text-muted);margin-left:auto}.filter-bar{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:28px;padding:14px 18px;background:#141b2499;border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.filter-group{display:flex;align-items:center;gap:4px}.filter-label{font-size:9px;color:var(--text-muted);letter-spacing:2px;margin-right:6px}.filter-btn{font-size:11px;padding:5px 12px;background:#0d1117cc;color:var(--text-secondary);border:1px solid var(--border);border-radius:2px;transition:all .2s;cursor:pointer}.filter-btn:hover{color:var(--text-primary);border-color:var(--border-light);background:var(--bg-hover)}.filter-btn.active{color:#fff;border-color:var(--red);background:var(--red-muted);box-shadow:0 0 8px #c0392b26}.challenge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}@media (max-width: 768px){.challenge-grid{grid-template-columns:1fr;gap:14px}.filter-bar{flex-direction:column;gap:10px}.challenge-stats{flex-wrap:wrap;gap:8px}.carousel-wrap{display:none}}@media (min-width: 769px) and (max-width: 1024px){.challenge-grid{grid-template-columns:repeat(2,1fr)}}.challenge-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:0;cursor:pointer;transition:all .3s cubic-bezier(.23,1,.32,1);position:relative;overflow:hidden;height:260px;display:flex;flex-direction:column;animation:fadeInStagger .4s ease-out both}.challenge-card:nth-child(1){animation-delay:0ms}.challenge-card:nth-child(2){animation-delay:50ms}.challenge-card:nth-child(3){animation-delay:.1s}.challenge-card:nth-child(4){animation-delay:.15s}.challenge-card:nth-child(5){animation-delay:.2s}.challenge-card:nth-child(6){animation-delay:.25s}.card-artwork{height:100px;width:100%;overflow:hidden;flex-shrink:0}.card-artwork svg{display:block}.card-scanline{position:absolute;top:-100%;left:0;right:0;height:40px;background:linear-gradient(to bottom,transparent,rgba(192,57,43,.04),transparent);pointer-events:none;transition:none}.challenge-card:hover .card-scanline{animation:cardScan .6s linear}@keyframes cardScan{0%{top:-40px}to{top:100%}}.challenge-card:hover{transform:translateY(-4px);border-color:var(--border-light);box-shadow:0 12px 40px #0006}.challenge-card.solved{border-left-color:var(--green);opacity:.82}.challenge-card.solved:hover{opacity:1}.solved-stamp{position:absolute;top:16px;left:-12px;z-index:3;background:#c0392b1f;color:var(--red);font-size:8px;font-weight:700;letter-spacing:3px;padding:3px 28px;transform:rotate(-25deg);border:1px solid rgba(192,57,43,.25);pointer-events:none}.card-body{padding:10px 16px 8px;flex:1;display:flex;flex-direction:column;overflow:hidden}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.card-category{font-size:10px;padding:3px 10px;border-radius:10px;letter-spacing:1px;font-weight:600;color:#fff}.cat-pi{background:#c0392b}.cat-jb{background:#2980b9}.cat-me{background:#e67e22}.cat-rp{background:#27ae60}.cat-ah{background:#8e44ad}.card-difficulty{font-size:11px;letter-spacing:1px;text-transform:uppercase}.card-title{font-size:15px;font-weight:700;margin-bottom:4px;color:#fff;line-height:1.3}.card-desc{font-size:11px;color:var(--text-muted);line-height:1.4;flex:1;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.card-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-top:1px solid var(--border);background:#0003}.card-points{font-size:16px;font-weight:800;color:var(--amber);letter-spacing:.5px}.card-solved{font-size:13px;color:var(--green);display:flex;align-items:center;gap:6px}.card-solved-check{font-size:16px}.card-status{font-size:10px;color:var(--text-muted);letter-spacing:2px}.no-results{grid-column:1 / -1;text-align:center;padding:60px;color:var(--text-muted)}.page-loading{padding:60px;text-align:center;color:var(--text-muted)}.mode-toggle-bar{display:flex;gap:0;border:1px solid var(--border);border-radius:2px;overflow:hidden;margin-left:8px}.mode-toggle-btn{padding:6px 18px;font-size:11px;letter-spacing:2px;background:#0d1117cc;color:var(--text-muted);border:none;transition:all .2s;cursor:pointer}.mode-toggle-btn:hover{color:var(--text-primary)}.mode-toggle-btn.active.attack{background:var(--red);color:#fff;box-shadow:0 0 10px #c0392b4d}.mode-toggle-btn.active.defend{background:var(--green);color:#fff;box-shadow:0 0 10px #27ae604d}.defend-card{--card-accent: var(--green)}.defend-card:hover{border-left-color:var(--green)}.defend-card.defend-solved{border-left-color:var(--green);opacity:.82}.cat-def{background:#27ae60}.defend-shield-icon{margin-right:4px}.defend-pts{color:var(--green)!important}.defend-solved-text{color:var(--green);font-size:12px}.defend-count{color:var(--green)}/**
 * 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;right:0;left:0;top:0;bottom: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;left:0;top:0;bottom:0;right:0;z-index:10;color:transparent;pointer-events:none}.xterm .xterm-accessibility-tree:not(.debug) *::selection{color:transparent}.xterm .xterm-accessibility-tree{-webkit-user-select:text;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}.cwt{background:#141414;border:1px solid #2a2a2a;border-radius:3px;margin-top:20px;overflow:hidden}.cwt-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;cursor:pointer;-webkit-user-select:none;user-select:none;border-bottom:1px solid #2a2a2a}.cwt-header-left{display:flex;align-items:center;gap:10px}.cwt-chevron{font-size:10px;color:#e85d04;transition:transform .2s ease;display:inline-block}.cwt-chevron.open{transform:rotate(90deg)}.cwt-label{font-family:Courier New,monospace;font-size:11px;font-weight:700;color:#e85d04;letter-spacing:2px;text-transform:uppercase}.cwt-badge{font-family:Courier New,monospace;font-size:9px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:3px 10px;border-radius:3px}.cwt-badge-solved{color:#00c896;background:#00c8961a;border:1px solid rgba(0,200,150,.25)}.cwt-badge-penalized{color:#f5c518;background:#f5c51814;border:1px solid rgba(245,197,24,.2)}.cwt-badge-locked{color:#e84040;background:#e8404014;border:1px solid rgba(232,64,64,.2)}.cwt-locked-body{padding:16px}.cwt-warning{background:#e840400f;border:1px solid rgba(232,64,64,.2);border-left:3px solid #e84040;color:#e84040;font-family:Courier New,monospace;font-size:12px;line-height:1.6;padding:12px 14px;margin-bottom:10px;border-radius:3px}.cwt-warning strong{color:#fff}.cwt-confirm-warning{background:#f5c5180f;border:1px solid rgba(245,197,24,.2);border-left:3px solid #f5c518;color:#f5c518;font-family:Courier New,monospace;font-size:12px;line-height:1.6;padding:12px 14px;margin-bottom:12px;border-radius:3px}.cwt-confirm-warning strong{color:#fff}.cwt-cost{font-family:Courier New,monospace;font-size:11px;color:#e84040;letter-spacing:1px;margin-bottom:14px}.cwt-actions{display:flex;gap:10px}.cwt-btn{font-family:Courier New,monospace;font-size:9px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:8px 16px;border-radius:3px;cursor:pointer;transition:all .2s ease}.cwt-btn-danger{background:#e840401f;color:#e84040;border:1px solid rgba(232,64,64,.4)}.cwt-btn-danger:hover{background:#e8404040;border-color:#e84040;box-shadow:0 0 12px #e8404026}.cwt-btn-ghost{background:transparent;color:#666;border:1px solid #2a2a2a}.cwt-btn-ghost:hover{color:#999;border-color:#444}.cwt-penalty-banner{font-family:Courier New,monospace;font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#f5c518;background:#f5c5180f;border-bottom:1px solid rgba(245,197,24,.15);padding:8px 16px;text-align:center;animation:penaltyPulse 2s ease-in-out infinite}@keyframes penaltyPulse{0%,to{opacity:1}50%{opacity:.6}}.cwt-points-display{display:flex;align-items:center;gap:12px;padding:8px 16px;border-bottom:1px solid #2a2a2a}.cwt-pts-struck{font-family:Courier New,monospace;font-size:14px;color:#555;text-decoration:line-through}.cwt-pts-zero{font-family:Courier New,monospace;font-size:14px;font-weight:700;color:#e84040}.cwt-content-wrap{max-height:0;overflow:hidden;transition:max-height .4s ease}.cwt-content{padding:16px}.cwt-section{margin-bottom:18px}.cwt-section h4{font-family:Courier New,monospace;font-size:10px;font-weight:700;color:#e85d04;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid #2a2a2a}.cwt-section p{font-size:13px;color:#999;line-height:1.7}.cwt-code{background:#0d0d0d;border:1px solid #2a2a2a;border-left:3px solid #e85d04;border-radius:3px;padding:12px 14px;margin-top:10px;overflow-x:auto}.cwt-code code{font-family:Courier New,monospace;font-size:12px;color:#00c896;line-height:1.6;white-space:pre-wrap;word-break:break-word}.cwt-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}.cwt-list li{font-size:13px;color:#999;line-height:1.5;padding-left:16px;position:relative}.cwt-list li:before{content:"▸";position:absolute;left:0;color:#e85d04;font-size:10px}.cwt-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;padding-top:12px;border-top:1px solid #2a2a2a}.cwt-tag{font-family:Courier New,monospace;font-size:9px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#e85d04;background:#e85d0414;border:1px solid rgba(232,93,4,.2);padding:3px 10px;border-radius:3px}.detail-page{display:flex;gap:0;height:calc(100vh - 64px);margin:-32px}.detail-left{width:40%;min-width:360px;overflow-y:auto;padding:28px;border-right:1px solid var(--border)}.detail-left:before{content:"";display:block;height:3px;margin:-28px -28px 24px;background:linear-gradient(90deg,var(--red),var(--amber),var(--red));background-size:200% 100%;animation:gradientShift 3s ease infinite}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.detail-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.detail-difficulty{font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:600}.detail-category{font-size:11px;color:var(--text-muted);letter-spacing:1px;padding:2px 8px;border:1px solid var(--border);border-radius:var(--radius-sm)}.detail-points{font-size:14px;color:var(--amber);font-weight:600;margin-left:auto}.detail-title{font-size:22px;font-weight:700;margin-bottom:20px}.detail-section{margin-bottom:24px}.detail-section h3{font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.detail-section p{font-size:14px;color:var(--text-secondary);line-height:1.6}.objective-text{color:var(--green)!important;font-size:12px!important;background:var(--bg-secondary);padding:10px 14px;border-radius:var(--radius-sm)}.hint-count{font-size:11px;color:var(--text-muted)}.hints-list{display:flex;flex-direction:column;gap:8px}.hint-item{padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm)}.hint-item.unlocked{border-color:var(--green-muted)}.hint-text{font-size:13px;color:var(--text-primary)}.hint-locked{font-size:11px;color:var(--text-muted);letter-spacing:1px}.hint-unlock-btn{padding:8px 14px;font-size:12px;background:transparent;color:var(--amber);border:1px solid var(--amber-muted);border-radius:var(--radius-sm);letter-spacing:1px;transition:all .15s}.hint-unlock-btn:hover:not(:disabled){background:#f39c1214;border-color:var(--amber)}.hint-unlock-btn:disabled{opacity:.5;cursor:not-allowed}.flag-form{display:flex;gap:8px;margin-bottom:10px;position:relative}.flag-input{flex:1;font-size:14px;background:#0d1117cc;border:1px solid var(--border);padding-left:24px;color:var(--green);caret-color:var(--green)}.flag-form:before{content:"$";position:absolute;left:8px;top:50%;transform:translateY(-50%);color:var(--green);font-family:var(--font-mono);font-size:14px;pointer-events:none;z-index:1}.flag-btn{padding:10px 20px;background:var(--red);color:#fff;font-size:13px;font-weight:600;letter-spacing:1px;border-radius:var(--radius-sm);transition:background .15s;white-space:nowrap}.flag-btn:hover:not(:disabled){background:var(--red-hover)}.flag-btn:disabled{opacity:.5;cursor:not-allowed}.wt-section{background:#c0392b08;border:1px solid rgba(192,57,43,.15);border-radius:var(--radius);padding:16px}.wt-disclaimer{font-size:11px;color:var(--text-muted);margin-bottom:12px}.wt-stages{display:flex;flex-direction:column;gap:8px}.wt-stage{padding:12px;border:1px solid var(--border);border-radius:var(--radius-sm)}.wt-stage.unlocked{border-left:3px solid var(--green)}.wt-stage.locked{border-left:3px solid var(--red)}.wt-stage-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.wt-stage-label{font-size:11px;color:var(--text-secondary);letter-spacing:1px}.wt-unlocked-badge{font-size:9px;color:var(--green);letter-spacing:1px}.wt-cost{font-size:11px;color:var(--red)}.wt-content{font-size:13px;color:var(--text-secondary);line-height:1.6;white-space:pre-wrap}.wt-unlock-btn{margin-top:6px;padding:6px 14px;font-size:11px;background:transparent;color:var(--red);border:1px solid rgba(192,57,43,.4);border-radius:var(--radius-sm);letter-spacing:1px;transition:all .2s}.wt-unlock-btn:hover:not(:disabled){background:var(--red-muted);border-color:var(--red)}.wt-unlock-btn:disabled{opacity:.5;cursor:not-allowed}.flag-result{font-size:12px;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:8px}.flag-result.correct{color:var(--green);background:#27ae6014;border:1px solid var(--green-muted)}.flag-result.incorrect{color:var(--red);background:#c0392b14;border:1px solid var(--red-muted)}.solved-banner{display:flex;align-items:center;gap:8px;padding:12px 14px;background:#27ae600f;border:1px solid var(--green-muted);border-radius:var(--radius-sm);color:var(--green);font-size:13px}.flag-icon{font-size:16px}.solution-section{padding-top:20px;border-top:1px solid var(--green-muted)}.solution-text{font-size:13px;margin-bottom:16px}.technique-tags{display:flex;flex-wrap:wrap;gap:8px}.technique-tag{font-size:11px;padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--cyan);letter-spacing:.5px}.detail-right{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-primary)}.target-info{padding:14px 18px;background:var(--bg-secondary);border-bottom:1px solid var(--border);position:relative;overflow:hidden}.target-info:after{content:"CLASSIFIED";position:absolute;top:8px;right:-20px;font-family:var(--font-mono);font-size:10px;font-weight:700;color:#c0392b26;letter-spacing:3px;transform:rotate(-15deg);pointer-events:none}.target-info-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.target-info h3{font-size:14px;color:var(--red);letter-spacing:3px;margin:0}.mode-toggle{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.mode-btn{padding:4px 14px;font-size:11px;letter-spacing:1px;background:var(--bg-card);color:var(--text-muted);border:none;transition:all .15s}.mode-btn:hover{color:var(--text-primary)}.mode-btn.active{background:var(--red);color:#fff}.chat-client{padding:12px 18px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.chat-bar{display:flex;gap:6px}.chat-input{flex:1;font-size:13px;padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);outline:none;transition:border-color .15s}.chat-input:focus{border-color:var(--red)}.chat-input::placeholder{color:var(--text-muted)}.chat-send{padding:8px 20px;background:var(--red);color:#fff;font-size:12px;font-weight:600;letter-spacing:1px;border-radius:var(--radius-sm);transition:background .15s;white-space:nowrap}.chat-send:hover:not(:disabled){background:var(--red-hover)}.chat-send:disabled{opacity:.5;cursor:not-allowed}.chat-clear{padding:8px 12px;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:11px;letter-spacing:1px;transition:all .15s}.chat-clear:hover{border-color:var(--text-secondary);color:var(--text-secondary)}.chat-info{font-size:11px;color:var(--text-muted);margin-top:6px}.endpoint-list{display:flex;flex-wrap:wrap;gap:6px}.endpoint-item{display:flex;align-items:center;gap:6px;padding:4px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s;font-size:12px}.endpoint-item:hover{border-color:var(--border-light)}.ep-method{font-size:10px;font-weight:700;letter-spacing:1px}.ep-method.get{color:var(--green)}.ep-method.post{color:var(--amber)}.ep-path{color:var(--text-primary);font-size:11px}.ep-desc{color:var(--text-muted);font-size:11px;display:none}.http-client{padding:12px 18px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.http-bar{display:flex;gap:6px;margin-bottom:6px}.http-method{background:var(--bg-input);color:var(--amber);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 8px;font-size:12px;font-weight:600}.http-url{flex:1;font-size:12px;padding:6px 10px}.http-send{padding:6px 18px;background:var(--red);color:#fff;font-size:12px;font-weight:600;letter-spacing:1px;border-radius:var(--radius-sm);transition:background .15s}.http-send:hover:not(:disabled){background:var(--red-hover)}.http-send:disabled{opacity:.5;cursor:not-allowed}.http-body{width:100%;font-size:12px;padding:8px 10px;resize:vertical;min-height:60px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary)}.terminal-container{flex:1;padding:8px;overflow:hidden}.defend-page{display:flex;gap:0;height:calc(100vh - 64px);margin:-32px}.defend-left{width:40%;min-width:360px;overflow-y:auto;padding:28px;border-right:1px solid var(--border)}.defend-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.defend-shield{font-size:20px}.defend-difficulty{font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:600}.defend-points{font-size:14px;color:var(--green);font-weight:600;margin-left:auto}.defend-title{font-size:22px;font-weight:700;margin-bottom:20px}.defend-section{margin-bottom:24px}.defend-section h3{font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.defend-section p{font-size:14px;color:var(--text-secondary);line-height:1.6}.vuln-list{display:flex;flex-direction:column;gap:10px}.vuln-item{padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm)}.vuln-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.vuln-id{font-size:11px;color:var(--text-muted);letter-spacing:1px}.vuln-severity{font-size:10px;padding:2px 8px;border-radius:8px;letter-spacing:1px}.sev-critical{background:#c0392b26;color:var(--red)}.sev-high{background:#f39c1226;color:var(--amber)}.sev-medium{background:#27ae6026;color:var(--green)}.vuln-name{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.vuln-desc{font-size:12px;color:var(--text-secondary);line-height:1.5}.vuln-file{font-size:11px;color:var(--text-muted);margin-top:6px}.results-list{display:flex;flex-direction:column;gap:6px}.result-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border)}.result-item.pass{border-color:var(--green-muted);background:#27ae600a}.result-item.fail{border-color:var(--red-muted);background:#c0392b0a}.result-icon{font-size:18px;width:24px;text-align:center}.result-item.pass .result-icon{color:var(--green)}.result-item.fail .result-icon{color:var(--red)}.result-info{flex:1;display:flex;flex-direction:column}.result-name{font-size:13px;color:var(--text-primary);font-weight:500}.result-msg{font-size:11px;color:var(--text-muted)}.result-pts{font-size:13px;font-weight:600}.result-item.pass .result-pts{color:var(--green)}.result-item.fail .result-pts{color:var(--text-muted)}.submit-fix-btn{width:100%;padding:12px;background:var(--green);color:#fff;font-size:14px;font-weight:600;letter-spacing:2px;border-radius:var(--radius-sm);transition:background .15s}.submit-fix-btn:hover:not(:disabled){background:#2ecc71}.submit-fix-btn:disabled{opacity:.5;cursor:not-allowed}.complete-banner{padding:14px;background:#27ae6014;border:1px solid var(--green-muted);border-radius:var(--radius-sm);color:var(--green);font-size:14px;display:flex;align-items:center;gap:8px}.complete-icon{font-size:18px}.solution-reveal{padding-top:16px;border-top:1px solid var(--green-muted)}.solution-desc{margin-bottom:12px}.solution-fixes{display:flex;flex-direction:column;gap:8px}.fix-item{padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm)}.fix-vuln{font-size:11px;color:var(--green);letter-spacing:1px;margin-right:8px}.fix-file{font-size:11px;color:var(--text-muted)}.fix-desc{font-size:13px;color:var(--text-secondary);margin-top:4px;line-height:1.5}.defend-right{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-primary)}.file-tabs{display:flex;gap:0;background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:0 12px;align-items:center}.file-tab{padding:10px 16px;font-size:12px;letter-spacing:.5px;background:transparent;color:var(--text-muted);border:none;border-bottom:2px solid transparent;transition:all 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