:root{--bg:#0a0a12;--bg2:#111125;--bg3:#1a1a35;--accent:#e63946;--accent2:#a855f7;--accent3:#06d6a0;--gold:#f59e0b;--cyan:#22d3ee;--text:#e0e0ff;--text2:#8888aa;--font-head:'Orbitron',sans-serif;--font-body:'Rajdhani',sans-serif;--font-code:'JetBrains Mono',monospace;--glow:0 0 20px rgba(230,57,70,.3);--glow2:0 0 20px rgba(168,85,247,.3);--radius:12px;--glass:rgba(17,17,37,.85)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}

.loading-screen{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px;transition:opacity .6s,visibility .6s}
.loading-screen.hidden{opacity:0;visibility:hidden}
.loading-hex-grid{display:flex;gap:8px}
.hex{width:20px;height:20px;background:var(--accent);clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);animation:hexPulse 1.2s ease-in-out infinite}
.hex-2{animation-delay:.15s}.hex-3{animation-delay:.3s;background:var(--accent2)}.hex-4{animation-delay:.45s}.hex-5{animation-delay:.6s;background:var(--cyan)}.hex-6{animation-delay:.75s}
@keyframes hexPulse{0%,100%{transform:scale(1);opacity:.4}50%{transform:scale(1.4);opacity:1}}
.loading-title{font-family:var(--font-head);font-size:1.1rem;color:var(--accent);letter-spacing:4px}
.loading-subtitle{font-size:.85rem;color:var(--text2)}
.loading-bar{width:200px;height:3px;background:var(--bg3);border-radius:3px;overflow:hidden;margin:10px 0}
.loading-fill{width:0;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--cyan));animation:loadFill 2s ease forwards}
@keyframes loadFill{to{width:100%}}
.loading-text{display:flex;flex-direction:column;align-items:center;gap:8px}

#particle-canvas{position:fixed;inset:0;z-index:0;pointer-events:none}

.main-header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:60px;background:var(--glass);backdrop-filter:blur(20px);border-bottom:1px solid rgba(230,57,70,.15)}
.logo-container{display:flex;align-items:center;gap:10px}
.logo-svg{width:36px;height:36px;color:var(--accent)}
.logo-title{font-family:var(--font-head);font-size:.85rem;letter-spacing:3px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo-sub{font-size:.6rem;color:var(--text2);letter-spacing:2px}
.header-nav{display:flex;gap:4px}
.nav-btn{background:none;border:1px solid transparent;color:var(--text2);padding:8px 14px;border-radius:8px;cursor:pointer;font-family:var(--font-body);font-size:.75rem;display:flex;align-items:center;gap:6px;transition:all .3s}
.nav-btn:hover,.nav-btn.active{color:var(--text);background:var(--bg3);border-color:var(--accent)}
.nav-btn.active{box-shadow:var(--glow)}
.nav-icon{font-size:1rem}
.nav-badge{font-size:.55rem;padding:2px 5px;border-radius:4px;background:var(--accent);color:#fff;font-weight:700}
.nav-btn.active .nav-badge{background:var(--accent2)}
.header-right{display:flex;align-items:center;gap:12px}
.progress-ring-container{position:relative;width:36px;height:36px}
.progress-ring{width:100%;height:100%;transform:rotate(-90deg)}
.progress-ring-bg{stroke:var(--bg3)}
.progress-ring-fill{stroke:var(--accent2);stroke-dasharray:113;stroke-dashoffset:113;stroke-linecap:round;transition:stroke-dashoffset .5s}
.progress-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.55rem;font-family:var(--font-head);color:var(--accent2)}
.xp-counter{display:flex;flex-direction:column;align-items:center}
.xp-label{font-size:.5rem;color:var(--gold);font-family:var(--font-head)}
.xp-value{font-size:.85rem;font-family:var(--font-head);color:var(--gold)}

.main-content{margin-top:60px;min-height:calc(100vh - 60px);position:relative;z-index:1}
.mode-panel{display:none;min-height:calc(100vh - 60px)}
.mode-panel.active{display:flex}

/* STUDY MODE */
#study-mode{display:none;flex-direction:row}
#study-mode.active{display:flex}
.study-sidebar{width:280px;background:var(--bg2);border-right:1px solid rgba(230,57,70,.1);height:calc(100vh - 60px);overflow-y:auto;flex-shrink:0}
.sidebar-header{padding:16px;border-bottom:1px solid var(--bg3)}
.sidebar-title{font-family:var(--font-head);font-size:.8rem;letter-spacing:2px;color:var(--accent);margin-bottom:10px}
.search-input{width:100%;padding:8px 12px;background:var(--bg3);border:1px solid rgba(168,85,247,.2);border-radius:8px;color:var(--text);font-family:var(--font-body);font-size:.85rem;outline:none}
.search-input:focus{border-color:var(--accent2);box-shadow:var(--glow2)}
.chapter-list{padding:8px}
.chapter-item{padding:10px 14px;border-radius:8px;cursor:pointer;margin-bottom:4px;border-left:3px solid transparent;transition:all .25s;font-size:.85rem;color:var(--text2)}
.chapter-item:hover{background:var(--bg3);color:var(--text);border-left-color:var(--accent2)}
.chapter-item.active{background:rgba(230,57,70,.1);color:var(--accent);border-left-color:var(--accent);font-weight:600}
.chapter-item .ch-num{font-family:var(--font-head);font-size:.65rem;color:var(--accent2);margin-right:6px}
.chapter-item .ch-check{float:right;color:var(--accent3);opacity:0}
.chapter-item.completed .ch-check{opacity:1}
.study-content{flex:1;overflow-y:auto;height:calc(100vh - 60px);padding:24px 32px}
.content-header{margin-bottom:24px}
.chapter-badge{font-family:var(--font-head);font-size:.65rem;color:var(--accent2);letter-spacing:3px;margin-bottom:6px;padding:4px 10px;background:rgba(168,85,247,.1);display:inline-block;border-radius:4px}
.content-title{font-family:var(--font-head);font-size:1.6rem;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}
.content-desc{color:var(--text2);font-size:.9rem;line-height:1.6}

/* STUDY CARDS */
.study-block{background:var(--bg2);border:1px solid rgba(168,85,247,.12);border-radius:var(--radius);padding:20px;margin-bottom:16px;transition:all .3s}
.study-block:hover{border-color:var(--accent2);box-shadow:var(--glow2)}
.study-block h3{font-family:var(--font-head);font-size:.9rem;color:var(--accent);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.study-block p,.study-block li{font-size:.88rem;line-height:1.7;color:var(--text)}
.study-block ul,.study-block ol{padding-left:20px;margin:8px 0}
.study-block code{font-family:var(--font-code);background:var(--bg3);padding:2px 6px;border-radius:4px;font-size:.82rem;color:var(--cyan)}
.code-example{background:var(--bg);border:1px solid var(--bg3);border-radius:8px;padding:14px;margin:10px 0;font-family:var(--font-code);font-size:.8rem;line-height:1.6;color:var(--cyan);overflow-x:auto;position:relative}
.code-example::before{content:'CODE';position:absolute;top:4px;right:8px;font-size:.55rem;color:var(--accent2);font-family:var(--font-head);letter-spacing:2px}
.live-demo{border:1px solid var(--accent3);border-radius:8px;padding:14px;margin:10px 0;background:rgba(6,214,160,.05);position:relative}
.live-demo::before{content:'⚡ LIVE OUTPUT';position:absolute;top:-10px;left:12px;font-size:.6rem;background:var(--bg2);padding:2px 8px;color:var(--accent3);font-family:var(--font-head);letter-spacing:2px;border-radius:4px}
.live-demo iframe{background:#fff !important;border-radius:6px;padding:4px}
.memory-tip{background:rgba(245,158,11,.08);border-left:3px solid var(--gold);padding:12px 16px;border-radius:0 8px 8px 0;margin:10px 0;font-size:.82rem}
.memory-tip::before{content:'🧠 MEMORY TIP: ';font-weight:700;color:var(--gold)}
.mistake-warn{background:rgba(230,57,70,.08);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 8px 8px 0;margin:10px 0;font-size:.82rem}
.mistake-warn::before{content:'⚠️ COMMON MISTAKE: ';font-weight:700;color:var(--accent)}

/* WELCOME */
.welcome-card{text-align:center;padding:20px}
.welcome-icon{font-size:3rem;margin-bottom:10px}
.welcome-card h3{font-family:var(--font-head);font-size:1.1rem;color:var(--accent);margin-bottom:20px}
.exam-topics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}
.topic-card{background:var(--bg2);border:1px solid var(--bg3);border-radius:var(--radius);padding:16px;cursor:pointer;transition:all .3s;text-align:center}
.topic-card:hover{border-color:var(--accent2);transform:translateY(-3px);box-shadow:var(--glow2)}
.topic-icon{font-size:1.8rem;display:block;margin-bottom:6px}
.topic-name{font-family:var(--font-head);font-size:.72rem;color:var(--text);display:block;margin-bottom:4px}
.topic-status{font-size:.65rem;color:var(--text2)}
.xampp-reminder{background:var(--bg2);border:1px solid var(--gold);border-radius:var(--radius);padding:16px;display:flex;align-items:flex-start;gap:12px;text-align:left;max-width:500px;margin:0 auto}
.reminder-icon{font-size:1.5rem}
.reminder-content h4{font-family:var(--font-head);font-size:.75rem;color:var(--gold);margin-bottom:8px}
.reminder-content ol{font-size:.82rem;padding-left:18px}
.reminder-content li{margin-bottom:4px}
.reminder-content code{font-family:var(--font-code);background:var(--bg3);padding:1px 5px;border-radius:3px;font-size:.78rem;color:var(--cyan)}

/* CODE EDITOR */
.code-editor-container{width:100%;min-height:calc(100vh - 60px);display:flex;flex-direction:column}
.editor-tabs{display:flex;align-items:center;padding:8px 12px;background:var(--bg2);border-bottom:1px solid var(--bg3);gap:4px}
.editor-tab{background:none;border:1px solid transparent;color:var(--text2);padding:6px 14px;border-radius:6px 6px 0 0;cursor:pointer;font-family:var(--font-code);font-size:.78rem;display:flex;align-items:center;gap:6px;transition:all .2s}
.editor-tab.active{background:var(--bg);color:var(--text);border-color:var(--bg3);border-bottom-color:var(--bg)}
.tab-dot{width:8px;height:8px;border-radius:50%}
.html-dot{background:#e44d26}.css-dot{background:#264de4}.php-dot{background:#777bb4}
.editor-actions{margin-left:auto;display:flex;gap:4px}
.action-btn{background:var(--bg3);border:none;color:var(--text);padding:5px 12px;border-radius:6px;cursor:pointer;font-family:var(--font-body);font-size:.75rem;transition:all .2s}
.action-btn:hover{background:var(--accent);color:#fff}
#btn-run{background:var(--accent3);color:var(--bg);font-weight:700}
#btn-run:hover{background:#05c492}
.editor-body{display:flex;flex:1;min-height:0}
.code-area{flex:1;display:flex;background:var(--bg);position:relative}
.line-numbers{padding:12px 8px;background:var(--bg2);color:var(--text2);font-family:var(--font-code);font-size:.78rem;line-height:1.6;text-align:right;min-width:40px;user-select:none;overflow:hidden}
.code-textarea{flex:1;background:transparent;border:none;color:var(--cyan);font-family:var(--font-code);font-size:.82rem;line-height:1.6;padding:12px;resize:none;outline:none;tab-size:2}
.preview-area{flex:1;display:flex;flex-direction:column;border-left:2px solid var(--accent2)}
.preview-header{padding:6px 12px;background:var(--bg2);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--bg3)}
.preview-title{font-family:var(--font-head);font-size:.65rem;color:var(--accent3);letter-spacing:2px}
.preview-url-bar{display:flex;align-items:center;gap:6px;background:var(--bg3);padding:3px 10px;border-radius:10px;font-size:.7rem;color:var(--text2)}
.preview-frame{flex:1;border:none;background:#fff;min-height:300px}
.editor-challenges{padding:12px;background:var(--bg2);border-top:1px solid var(--bg3)}
.challenges-title{font-family:var(--font-head);font-size:.75rem;color:var(--gold);margin-bottom:8px}
.challenges-grid{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.challenge-card{background:var(--bg3);border:1px solid rgba(245,158,11,.2);border-radius:8px;padding:10px 14px;min-width:180px;cursor:pointer;transition:all .2s;flex-shrink:0}
.challenge-card:hover{border-color:var(--gold);box-shadow:0 0 12px rgba(245,158,11,.15)}
.challenge-card h4{font-size:.75rem;color:var(--gold);margin-bottom:4px}
.challenge-card p{font-size:.7rem;color:var(--text2)}

/* EXAM MODE */
.exam-container{width:100%;min-height:calc(100vh - 60px);display:flex;flex-direction:column}
.exam-header-bar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:var(--bg2);border-bottom:2px solid var(--accent)}
.exam-main-title{font-family:var(--font-head);font-size:1rem;color:var(--accent)}
.exam-subtitle{font-size:.8rem;color:var(--text2);margin-top:4px}
.exam-stats{display:flex;gap:16px}
.stat-box{display:flex;flex-direction:column;align-items:center;background:var(--bg3);padding:8px 16px;border-radius:8px}
.stat-label{font-size:.6rem;color:var(--text2);font-family:var(--font-head)}
.stat-value{font-size:1rem;font-family:var(--font-head);color:var(--accent)}
.exam-body{flex:1;display:flex;flex-direction:column}
.exam-start-screen{padding:40px;text-align:center}
.start-icon{font-size:3rem;margin-bottom:10px}
.exam-start-screen h3{font-family:var(--font-head);font-size:1.2rem;color:var(--accent);margin-bottom:8px}
.exam-start-screen p{color:var(--text2);margin-bottom:24px}
.exam-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:700px;margin:0 auto}
.exam-type-btn{background:var(--bg2);border:1px solid var(--bg3);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .3s;text-align:center;color:var(--text)}
.exam-type-btn:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--glow)}
.etb-icon{font-size:2rem;display:block;margin-bottom:8px}
.etb-title{font-family:var(--font-head);font-size:.78rem;display:block;margin-bottom:4px}
.etb-desc{font-size:.68rem;color:var(--text2)}
.exam-textarea{min-height:250px}
.exam-controls{display:flex;gap:8px;padding:12px;background:var(--bg2)}
.exam-ctrl-btn{padding:8px 20px;border:none;border-radius:8px;font-family:var(--font-body);font-size:.85rem;cursor:pointer;font-weight:600;transition:all .2s}
.submit-btn{background:var(--accent3);color:var(--bg)}
.hint-btn{background:var(--gold);color:var(--bg)}
.next-btn{background:var(--accent2);color:#fff}
.next-btn:disabled{opacity:.4;cursor:not-allowed}
.exam-feedback{padding:16px;margin:8px 12px;border-radius:8px;font-size:.85rem}
.exam-feedback.correct{background:rgba(6,214,160,.1);border:1px solid var(--accent3);color:var(--accent3)}
.exam-feedback.wrong{background:rgba(230,57,70,.1);border:1px solid var(--accent);color:var(--accent)}
.mcq-options{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.mcq-opt{display:block;width:100%;text-align:left;padding:12px 16px;background:var(--bg2);border:1px solid var(--bg3);border-radius:8px;color:var(--text);cursor:pointer;font-family:var(--font-body);font-size:.88rem;transition:all .2s}
.mcq-opt:hover{border-color:var(--accent2);background:rgba(168,85,247,.08)}
.mcq-opt.selected{border-color:var(--accent2);background:rgba(168,85,247,.15)}
.mcq-opt.correct{border-color:var(--accent3);background:rgba(6,214,160,.15);color:var(--accent3)}
.mcq-opt.wrong{border-color:var(--accent);background:rgba(230,57,70,.1);color:var(--accent)}
.exam-editor{padding:12px}
.exam-target-preview{margin:12px;background:#fff;border-radius:8px;overflow:hidden}
.exam-target-preview iframe{width:100%;min-height:150px;border:none}

/* STRATEGIES */
.strategies-container{width:100%;min-height:calc(100vh - 60px);padding:24px 32px}
.strategies-title{font-family:var(--font-head);font-size:1.2rem;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}
.strategies-sub{color:var(--text2);font-size:.85rem;margin-bottom:16px}
.strategies-tabs{display:flex;gap:4px;margin-bottom:20px;flex-wrap:wrap}
.strat-tab{background:var(--bg2);border:1px solid var(--bg3);color:var(--text2);padding:8px 16px;border-radius:8px;cursor:pointer;font-family:var(--font-body);font-size:.8rem;transition:all .2s}
.strat-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.strat-card{background:var(--bg2);border:1px solid rgba(168,85,247,.12);border-radius:var(--radius);padding:20px;margin-bottom:12px;transition:all .3s}
.strat-card:hover{border-color:var(--accent2)}
.strat-card h3{font-family:var(--font-head);font-size:.85rem;color:var(--accent);margin-bottom:8px}
.strat-card p{font-size:.85rem;line-height:1.6;color:var(--text)}
.strat-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--accent);color:#fff;border-radius:50%;font-family:var(--font-head);font-size:.7rem;margin-right:8px}

/* TOAST */
.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:8px;font-size:.82rem;color:#fff;animation:toastIn .3s ease;backdrop-filter:blur(10px)}
.toast.success{background:rgba(6,214,160,.9)}.toast.error{background:rgba(230,57,70,.9)}.toast.info{background:rgba(168,85,247,.9)}
@keyframes toastIn{from{transform:translateX(100px);opacity:0}to{transform:translateX(0);opacity:1}}

/* RESPONSIVE */
@media(max-width:900px){.exam-topics-grid{grid-template-columns:repeat(2,1fr)}.exam-type-grid{grid-template-columns:repeat(2,1fr)}.editor-body{flex-direction:column}.study-sidebar{width:220px}.nav-label{display:none}}
@media(max-width:600px){.study-sidebar{display:none}.exam-topics-grid{grid-template-columns:1fr}.header-nav{gap:2px}.nav-badge{display:none}}

/* ============ 12 STUDY IMPROVEMENTS ============ */

/* 1: Chapter Progress Bar */
.chapter-progress-bar{margin-bottom:20px;background:var(--bg2);border-radius:10px;padding:14px 18px;border:1px solid rgba(168,85,247,.15)}
.cpb-track{width:100%;height:8px;background:var(--bg);border-radius:4px;overflow:hidden}
.cpb-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3));border-radius:4px;transition:width .5s ease}
.cpb-text{display:block;text-align:center;margin-top:8px;font-size:.75rem;color:var(--text2);font-family:var(--font-head);letter-spacing:1px}

/* 2: Cheat Sheet */
.cheat-toggle{margin-bottom:12px;background:var(--accent2);color:#fff}
.cheat-toggle:hover{background:var(--accent)}
.cheat-panel{background:var(--bg2);border:1px solid var(--accent2);border-radius:var(--radius);padding:18px;margin-bottom:20px}
.cheat-panel h4{font-family:var(--font-head);font-size:.82rem;color:var(--accent2);margin-bottom:12px}
.cheat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:8px}
.cheat-item{background:var(--bg);padding:8px 12px;border-radius:6px;font-size:.78rem;line-height:1.5}
.cheat-item strong{color:var(--gold);font-size:.72rem}
.cheat-item code{font-family:var(--font-code);color:var(--cyan);font-size:.72rem}

/* 3: Section Header Row + Difficulty */
.section-header-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.section-header-row h3{flex:1}
.section-badges{display:flex;align-items:center;gap:8px;flex-shrink:0}
.diff-badge{font-family:var(--font-head);font-size:.55rem;padding:3px 8px;border-radius:4px;color:#fff;letter-spacing:1px}
.understood-check{display:flex;align-items:center;gap:4px;font-size:.72rem;color:var(--text2);cursor:pointer;user-select:none}
.understood-check input{accent-color:var(--accent3);width:16px;height:16px;cursor:pointer}

/* 4: Collapsible sections */
.section-collapsible{transition:all .3s ease}

/* 5: Step-by-Step Tutorial */
.step-tutorial{margin:14px 0;background:linear-gradient(135deg,rgba(168,85,247,.06),rgba(6,214,160,.04));border:1px solid rgba(168,85,247,.2);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden}
.step-tutorial::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--accent2),var(--accent3))}
.step-title{font-family:var(--font-head);font-size:.8rem;color:var(--accent2);margin-bottom:14px;letter-spacing:2px}
.steps-list{display:flex;flex-direction:column;gap:10px}
.step-item{display:flex;gap:12px;align-items:flex-start}
.step-num{width:30px;height:30px;background:linear-gradient(135deg,var(--accent2),var(--accent));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-size:.72rem;flex-shrink:0;box-shadow:0 2px 8px rgba(168,85,247,.25)}
.step-content{font-size:.84rem;line-height:1.65;color:var(--text);padding-top:4px}
.step-content code{font-family:var(--font-code);background:var(--bg);padding:2px 6px;border-radius:4px;font-size:.78rem;color:var(--cyan)}

/* 6: Mini Quiz */
.mini-quiz{margin:14px 0;background:rgba(34,211,238,.04);border:1px solid rgba(34,211,238,.2);border-radius:var(--radius);padding:18px}
.quiz-title{font-family:var(--font-head);font-size:.8rem;color:var(--cyan);margin-bottom:10px;letter-spacing:2px}
.quiz-q{font-size:.88rem;margin-bottom:12px;color:var(--text);line-height:1.5}
.quiz-opts{display:flex;flex-direction:column;gap:6px}
.quiz-opt-btn{display:block;width:100%;text-align:left;padding:10px 14px;background:var(--bg);border:1px solid var(--bg3);border-radius:8px;color:var(--text);cursor:pointer;font-family:var(--font-body);font-size:.84rem;transition:all .2s}
.quiz-opt-btn:hover:not(:disabled){border-color:var(--cyan);background:rgba(34,211,238,.06)}
.quiz-result{margin-top:10px;font-family:var(--font-head);font-size:.82rem;letter-spacing:1px}

/* 7: Copy Code - uses action-btn styles */

/* 8: Section Navigation */
.section-nav{display:flex;justify-content:space-between;gap:8px;margin-top:8px;padding-top:10px;border-top:1px solid var(--bg3)}
.nav-sec-btn{background:none;border:1px solid var(--bg3);color:var(--text2);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:.72rem;font-family:var(--font-body);transition:all .2s;max-width:48%}
.nav-sec-btn:hover{border-color:var(--accent2);color:var(--text)}

/* 9: Scroll to top */
.scroll-top-btn{display:block;margin:20px auto;padding:10px 24px;background:var(--accent2);color:#fff;border:none;border-radius:8px;cursor:pointer;font-family:var(--font-body);font-size:.85rem;transition:all .2s}
.scroll-top-btn:hover{background:var(--accent);transform:translateY(-2px)}

/* 10: Print button */
.print-btn{display:block;margin:8px auto 30px;background:var(--gold);color:var(--bg)}
.print-btn:hover{background:#e69100}

/* 11: Keyboard shortcuts handled in JS */
/* 12: Section actions row */
.section-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}