:root{--bg: #0F172A;--bg2: #1E293B;--bg3: #090D16;--primary: #6366F1;--primary-hover: #4F46E5;--primary-light: rgba(99,102,241,.15);--primary-glow: rgba(99,102,241,.4);--secondary: #8B5CF6;--secondary-light: rgba(139,92,246,.15);--accent: #06B6D4;--accent-light: rgba(6,182,212,.15);--success: #22C55E;--success-light: rgba(34,197,94,.15);--danger: #EF4444;--danger-light: rgba(239,68,68,.12);--warning: #F59E0B;--warning-light: rgba(245,158,11,.15);--text: #F8FAFC;--text2: #94A3B8;--text3: #64748B;--card-bg: rgba(30,41,59,.65);--card-border: rgba(255,255,255,.08);--card-border-glow: rgba(99,102,241,.3);--blur: blur(16px);--blur2: blur(24px);--input-bg: rgba(15,23,42,.6);--input-border: rgba(255,255,255,.12);--font-h: "Outfit", system-ui, sans-serif;--font-b: "Inter", system-ui, sans-serif;--shadow-sm: 0 2px 8px rgba(0,0,0,.2);--shadow-md: 0 8px 24px rgba(0,0,0,.3);--shadow-lg: 0 16px 48px rgba(0,0,0,.4);--shadow-glow: 0 0 30px rgba(99,102,241,.25);--r-sm: 8px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--r-full: 9999px;--tr: .2s cubic-bezier(.4,0,.2,1);--tr-spring: .4s cubic-bezier(.175,.885,.32,1.275)}[data-theme=light]{--bg: #F8FAFC;--bg2: #FFFFFF;--bg3: #EFF2F7;--text: #0F172A;--text2: #475569;--text3: #64748B;--card-bg: rgba(255,255,255,.75);--card-border: rgba(148,163,184,.2);--input-bg: rgba(241,245,249,.8);--input-border: rgba(203,213,225,.8)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-b);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;transition:background var(--tr),color var(--tr)}.ambient-bg{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;overflow:hidden}.ambient-orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.3;animation:orbFloat 18s ease-in-out infinite alternate}.orb-1{width:500px;height:500px;background:radial-gradient(circle,var(--primary),transparent 70%);top:-100px;left:15%}.orb-2{width:600px;height:600px;background:radial-gradient(circle,var(--secondary),transparent 70%);top:35%;right:-100px;animation-delay:-6s}.orb-3{width:450px;height:450px;background:radial-gradient(circle,var(--accent),transparent 70%);bottom:-50px;left:30%;animation-delay:-12s}@keyframes orbFloat{0%{transform:translate(0) scale(1)}50%{transform:translate(40px,60px) scale(1.1)}to{transform:translate(-30px,-40px) scale(.95)}}.page{position:relative;z-index:1;min-height:100vh}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.auth-page-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px}.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}.logo-icon{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 15px var(--primary-glow)}.logo-text{font-family:var(--font-h);font-weight:700;font-size:1.5rem;color:var(--text);display:flex;align-items:center;gap:6px}.logo-badge{font-size:.6rem;font-weight:700;padding:2px 7px;background:var(--primary-light);border:1px solid rgba(99,102,241,.3);color:var(--primary);border-radius:var(--r-full);text-transform:uppercase;letter-spacing:.05em}.auth-tagline{font-size:.9rem;color:var(--text2);margin-bottom:28px}.auth-card{width:100%;max-width:440px;background:var(--card-bg);backdrop-filter:var(--blur2);-webkit-backdrop-filter:var(--blur2);border:1px solid var(--card-border);border-radius:var(--r-xl);padding:36px;box-shadow:var(--shadow-lg),var(--shadow-glow)}.auth-tabs{display:flex;border-bottom:1px solid var(--card-border);margin-bottom:24px}.auth-tab{flex:1;padding:12px;background:none;border:none;border-bottom:2px solid transparent;font-family:var(--font-h);font-weight:600;font-size:.95rem;color:var(--text3);cursor:pointer;transition:all var(--tr)}.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.form-group{margin-bottom:18px}.form-label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--text2)}.form-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.input-icon-wrap{position:relative;display:flex;align-items:center}.input-icon-wrap>svg:first-child,.input-icon-wrap>i:first-child{position:absolute;left:14px;color:var(--text3);pointer-events:none;width:16px;height:16px}.form-input{width:100%;padding:11px 14px 11px 42px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-md);color:var(--text);font-family:var(--font-b);font-size:.9rem;outline:none;transition:all var(--tr)}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.eye-btn{position:absolute;right:12px;background:none;border:none;cursor:pointer;color:var(--text3);display:flex;align-items:center;transition:color var(--tr)}.eye-btn:hover{color:var(--text)}.strength-bar-wrap{margin-top:8px}.strength-bar{height:4px;background:#ffffff1a;border-radius:var(--r-full);overflow:hidden;margin-bottom:4px}.strength-fill{height:100%;width:0%;background:var(--danger);transition:width .3s ease,background .3s ease}.strength-label{font-size:.75rem;color:var(--text3)}.divider{display:flex;align-items:center;margin:18px 0;color:var(--text3);font-size:.8rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--card-border)}.divider span{padding:0 12px}.social-row{display:flex;gap:12px}.social-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:var(--r-md);background:#ffffff0d;border:1px solid var(--card-border);color:var(--text);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--tr)}.social-btn:hover{background:#ffffff1a;transform:translateY(-1px)}.auth-section-title{font-family:var(--font-h);font-size:1.2rem;font-weight:700;margin-bottom:6px}.auth-section-sub{font-size:.85rem;color:var(--text2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--r-full);font-family:var(--font-h);font-weight:600;font-size:.95rem;cursor:pointer;border:none;outline:none;white-space:nowrap;transition:all var(--tr);position:relative;overflow:hidden}.btn:active{transform:scale(.97)}.btn-full{width:100%;margin-top:6px}.btn-sm{padding:6px 14px;font-size:.82rem}.btn-lg{padding:13px 28px;font-size:1.05rem}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 4px 20px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--primary-glow)}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.btn-primary:hover:before{left:100%}.btn-ghost{background:#ffffff0f;border:1px solid var(--card-border);color:var(--text)}.btn-ghost:hover{background:#ffffff1f;transform:translateY(-1px)}.link-btn{background:none;border:none;font-size:.78rem;color:var(--primary);cursor:pointer;font-family:var(--font-b)}.link-btn:hover{text-decoration:underline}.floating-nav-wrapper{position:fixed;top:20px;left:0;right:0;z-index:900;display:flex;justify-content:center;padding:0 20px}.floating-nav{width:100%;max-width:1100px;background:var(--card-bg);backdrop-filter:var(--blur2);-webkit-backdrop-filter:var(--blur2);border:1px solid var(--card-border);border-radius:var(--r-full);padding:10px 20px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-md)}.nav-brand{display:flex;align-items:center;gap:10px;cursor:pointer}.nav-links{display:flex;align-items:center;gap:4px}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--r-full);background:none;border:none;color:var(--text2);font-family:var(--font-h);font-weight:600;font-size:.88rem;cursor:pointer;transition:all var(--tr)}.nav-link:hover{background:#ffffff12;color:var(--text)}.nav-link.active{background:var(--primary-light);color:var(--primary)}.nav-actions{display:flex;align-items:center;gap:12px}.icon-btn{width:40px;height:40px;border-radius:50%;background:#ffffff0d;border:1px solid var(--card-border);color:var(--text2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--tr)}.icon-btn:hover{background:#ffffff1f;color:var(--text);transform:translateY(-1px)}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#06b6d4,#3b82f6);border:2px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:#fff;cursor:pointer;transition:transform var(--tr)}.user-avatar:hover{transform:scale(1.08)}.home-main{padding-top:120px}.hero-section{text-align:center;padding-bottom:80px}.hero-title{font-family:var(--font-h);font-size:clamp(2.4rem,5vw,4rem);font-weight:800;line-height:1.15;letter-spacing:-.03em;margin-bottom:20px;max-width:900px;margin-left:auto;margin-right:auto}.gradient-text{background:linear-gradient(135deg,#818cf8,#c084fc 50%,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text2);max-width:640px;margin:0 auto 40px}.input-card{max-width:840px;margin:0 auto 40px;background:var(--card-bg);backdrop-filter:var(--blur2);-webkit-backdrop-filter:var(--blur2);border:1px solid var(--card-border);border-radius:var(--r-xl);padding:24px;box-shadow:var(--shadow-lg),0 0 40px #6366f11a;transition:all var(--tr)}.input-card:hover,.input-card:focus-within{border-color:var(--card-border-glow);box-shadow:var(--shadow-lg),var(--shadow-glow)}.mode-tabs{display:flex;gap:8px;background:#0f172a66;padding:6px;border-radius:var(--r-md);margin-bottom:20px;border:1px solid rgba(255,255,255,.05)}.mode-tab{flex:1;padding:10px 16px;border-radius:var(--r-sm);background:transparent;border:none;color:var(--text2);font-family:var(--font-h);font-weight:600;font-size:.9rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all var(--tr)}.mode-tab.active{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.mode-tab:hover:not(.active){background:#ffffff0f;color:var(--text)}.dropzone{border:2px dashed rgba(139,92,246,.35);border-radius:var(--r-lg);padding:40px 20px;background:#8b5cf608;cursor:pointer;transition:all var(--tr);position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center}.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:#6366f114;transform:translateY(-2px)}.drop-icon{width:60px;height:60px;border-radius:18px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:0 8px 20px #6366f133;transition:transform var(--tr-spring)}.dropzone:hover .drop-icon{transform:scale(1.15) rotate(-5deg)}.drop-title{font-family:var(--font-h);font-size:1.05rem;font-weight:600;margin-bottom:6px}.drop-sub{font-size:.82rem;color:var(--text3)}.scan-beam{position:absolute;top:-100%;left:0;width:100%;height:100%;background:linear-gradient(180deg,transparent,rgba(6,182,212,.25),transparent);pointer-events:none;display:none}.dropzone.scanning .scan-beam{display:block;animation:scanBeam 2s linear infinite}@keyframes scanBeam{0%{top:-100%}to{top:100%}}.file-chip{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:var(--primary-light);border:1px solid rgba(99,102,241,.4);border-radius:var(--r-md);margin-top:14px;font-size:.88rem;animation:fadeIn .3s ease}.file-chip-remove{background:none;border:none;color:var(--text3);cursor:pointer;display:flex;align-items:center}.file-chip-remove:hover{color:var(--danger)}.notes-area{width:100%;min-height:150px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-md);padding:14px;color:var(--text);font-family:var(--font-b);font-size:.92rem;resize:vertical;outline:none;transition:all var(--tr)}.notes-area:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.pills-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px}.pills-label{font-size:.8rem;color:var(--text3);font-weight:500}.pill{padding:6px 14px;border-radius:var(--r-full);background:#ffffff0d;border:1px solid var(--card-border);font-size:.82rem;color:var(--text2);cursor:pointer;transition:all var(--tr);display:flex;align-items:center;gap:6px}.pill:hover{background:var(--primary-light);color:var(--primary);border-color:#6366f166;transform:translateY(-1px)}.config-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid var(--card-border);flex-wrap:wrap}.config-group{display:flex;align-items:center;gap:10px}.config-label{font-size:.82rem;color:var(--text2);font-weight:500;display:flex;align-items:center;gap:4px}.seg-ctrl{display:flex;background:#0f172a80;padding:3px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.08)}.seg-opt{padding:5px 12px;font-size:.8rem;font-weight:600;border-radius:var(--r-sm);border:none;background:transparent;color:var(--text3);cursor:pointer;transition:all var(--tr)}.seg-opt.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px var(--primary-glow)}.seg-opt:hover:not(.active){color:var(--text)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:60px;text-align:left}.feature-card{background:var(--card-bg);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--card-border);border-radius:var(--r-lg);padding:30px;transition:all var(--tr);position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:0;transition:opacity var(--tr)}.feature-card:hover{transform:translateY(-5px);border-color:var(--card-border-glow);box-shadow:var(--shadow-lg),0 0 25px #6366f126}.feature-card:hover:before{opacity:1}.feature-icon{width:52px;height:52px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 4px 15px #6366f133}.fi-primary{background:var(--primary-light);color:var(--primary)}.fi-secondary{background:var(--secondary-light);color:var(--secondary)}.fi-accent{background:var(--accent-light);color:var(--accent)}.feature-title{font-family:var(--font-h);font-size:1.15rem;font-weight:700;margin-bottom:8px}.feature-desc{font-size:.9rem;color:var(--text2);line-height:1.6}.home-footer{text-align:center;padding:40px 0;color:var(--text3);font-size:.85rem;border-top:1px solid var(--card-border);margin-top:40px}.quiz-nav{position:sticky;top:0;z-index:900;background:#0f172ad9;backdrop-filter:var(--blur2);-webkit-backdrop-filter:var(--blur2);border-bottom:1px solid var(--card-border)}.quiz-nav-inner{padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.quiz-nav-meta{display:flex;align-items:center;gap:16px}.quiz-topic-tag{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 12px;background:var(--primary-light);color:var(--primary);border:1px solid rgba(99,102,241,.3);border-radius:var(--r-full)}.quiz-timer{display:flex;align-items:center;gap:6px;font-family:var(--font-h);font-weight:600;font-size:.95rem;color:var(--text2)}.quiz-main{padding:40px 24px 80px;max-width:780px;margin:0 auto}.q-progress-wrap{display:flex;flex-direction:column;gap:8px;margin-bottom:32px}.q-progress-bar{height:6px;background:#ffffff14;border-radius:var(--r-full);overflow:hidden}.q-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:var(--r-full);transition:width .5s ease}.q-progress-label{font-size:.82rem;color:var(--text3);font-weight:500}.q-card{background:var(--card-bg);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--card-border);border-radius:var(--r-xl);padding:36px;box-shadow:var(--shadow-md);margin-bottom:28px}.q-text{font-family:var(--font-h);font-size:clamp(1.2rem,2.5vw,1.5rem);font-weight:700;line-height:1.4;margin-bottom:28px}.q-options{display:flex;flex-direction:column;gap:12px}.q-opt{width:100%;display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:var(--r-lg);background:#ffffff0a;border:1px solid var(--card-border);color:var(--text);font-family:var(--font-b);font-size:.95rem;cursor:pointer;transition:all var(--tr);text-align:left}.q-opt:hover:not(:disabled){background:var(--primary-light);border-color:#6366f166;transform:translate(4px)}.q-opt:disabled{cursor:default}.q-opt.correct{background:var(--success-light);border-color:var(--success);color:var(--success)}.q-opt.wrong{background:var(--danger-light);border-color:var(--danger);color:var(--danger)}.opt-letter{min-width:32px;height:32px;border-radius:50%;background:#ffffff14;border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-weight:700;font-size:.85rem;transition:all var(--tr);flex-shrink:0}.q-opt.correct .opt-letter{background:var(--success);color:#fff;border-color:var(--success)}.q-opt.wrong .opt-letter{background:var(--danger);color:#fff;border-color:var(--danger)}.q-explanation{margin-top:20px;border-radius:var(--r-md);background:var(--primary-light);border:1px solid rgba(99,102,241,.3);overflow:hidden;animation:fadeIn .3s ease}.q-exp-header{display:flex;align-items:center;gap:8px;padding:10px 16px;font-family:var(--font-h);font-weight:600;font-size:.85rem;color:var(--primary);border-bottom:1px solid rgba(99,102,241,.2)}.q-exp-text{padding:14px 16px;font-size:.9rem;color:var(--text2);line-height:1.7}.q-nav-btns{display:flex;justify-content:space-between}.dash-main{padding-top:120px;padding-bottom:80px}.dash-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:32px}.dash-title{font-family:var(--font-h);font-size:2rem;font-weight:800;margin-bottom:4px}.dash-sub{font-size:.9rem;color:var(--text2)}.stat-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--card-bg);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--card-border);border-radius:var(--r-lg);padding:24px;display:flex;align-items:center;gap:18px;transition:all var(--tr)}.stat-card:hover{transform:translateY(-3px);border-color:var(--card-border-glow);box-shadow:var(--shadow-md)}.stat-icon{width:52px;height:52px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.si-primary{background:var(--primary-light);color:var(--primary)}.si-secondary{background:var(--secondary-light);color:var(--secondary)}.si-warning{background:var(--warning-light);color:var(--warning)}.si-accent{background:var(--accent-light);color:var(--accent)}.stat-val{font-family:var(--font-h);font-size:1.8rem;font-weight:800;line-height:1}.stat-label{font-size:.82rem;color:var(--text2);margin-top:4px}.chart-card{background:var(--card-bg);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--card-border);border-radius:var(--r-lg);padding:24px;margin-bottom:40px;box-shadow:var(--shadow-sm)}.chart-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.chart-title{font-family:var(--font-h);font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:8px}.chart-sub{font-size:.8rem;color:var(--text3)}.chart-wrap{height:260px;position:relative}.sessions-section{margin-bottom:60px}.sessions-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px}.sessions-title{font-family:var(--font-h);font-size:1.5rem;font-weight:700;margin-bottom:4px}.sessions-sub{font-size:.88rem;color:var(--text2)}.sessions-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;flex-wrap:wrap}.sessions-search{flex:1;min-width:260px;position:relative;display:flex;align-items:center;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-full);padding:0 14px}.sessions-search svg,.sessions-search i{color:var(--text3);flex-shrink:0;width:16px;height:16px}.sessions-search input{flex:1;background:none;border:none;outline:none;padding:10px 12px;color:var(--text);font-family:var(--font-b);font-size:.88rem}.sessions-search input::placeholder{color:var(--text3)}.sessions-sort-wrap{display:flex;align-items:center;gap:8px}.sessions-sort-label{font-size:.82rem;color:var(--text2)}.sessions-sort-select{background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-md);padding:8px 12px;color:var(--text);font-family:var(--font-b);font-size:.85rem;outline:none;cursor:pointer}.sessions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.session-card{background:var(--card-bg);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--card-border);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:16px;transition:all var(--tr);position:relative}.session-card:hover{transform:translateY(-4px);border-color:var(--card-border-glow);box-shadow:var(--shadow-md),0 0 20px #6366f11a}.session-card-top{display:flex;align-items:center;justify-content:space-between}.session-subject{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:3px 10px;border-radius:var(--r-full);background:var(--primary-light);color:var(--primary)}.session-date{font-size:.78rem;color:var(--text3)}.session-title{font-family:var(--font-h);font-size:1.1rem;font-weight:700;line-height:1.3;color:var(--text)}.session-pills{display:flex;flex-wrap:wrap;gap:8px}.session-pill{display:flex;align-items:center;gap:4px;font-size:.78rem;color:var(--text2);background:#ffffff0a;border:1px solid rgba(255,255,255,.06);padding:3px 9px;border-radius:var(--r-sm)}.session-pill.green{color:var(--success)}.session-card-actions{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--card-border)}.session-menu-wrap{position:relative}.session-menu-btn{width:34px;height:34px;border-radius:50%;background:#ffffff0d;border:1px solid var(--card-border);color:var(--text2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--tr)}.session-menu-btn:hover{background:#ffffff1a}.session-dropdown{position:absolute;right:0;top:calc(100% + 6px);background:var(--bg2);border:1px solid var(--card-border-glow);border-radius:var(--r-md);padding:6px;box-shadow:var(--shadow-md);display:none;flex-direction:column;gap:4px;z-index:100;min-width:150px}.session-dropdown.open{display:flex}.dropdown-item{padding:8px 12px;font-size:.82rem;color:var(--text2);background:none;border:none;border-radius:var(--r-sm);cursor:pointer;display:flex;align-items:center;gap:8px;text-align:left;width:100%;transition:all var(--tr)}.dropdown-item:hover{background:#ffffff12;color:var(--text)}.dropdown-item.danger:hover{background:var(--danger-light);color:var(--danger)}.fc-main{padding-top:120px;padding-bottom:80px}.fc-page-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:28px}.fc-page-title{font-family:var(--font-h);font-size:2rem;font-weight:800;margin-bottom:4px}.fc-page-sub{font-size:.9rem;color:var(--text2)}.fc-header-actions{display:flex;align-items:center;gap:12px}.fc-progress-badge{display:flex;align-items:center;gap:6px;padding:8px 14px;background:var(--success-light);border:1px solid rgba(34,197,94,.3);border-radius:var(--r-full);font-size:.82rem;color:var(--success);font-weight:600}.fc-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:32px}.fc-search{flex:1;min-width:260px;display:flex;align-items:center;gap:10px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-full);padding:0 14px}.fc-search svg,.fc-search i{color:var(--text3);flex-shrink:0;width:16px;height:16px}.fc-search input{flex:1;background:none;border:none;outline:none;padding:10px 0;color:var(--text);font-family:var(--font-b);font-size:.88rem}.fc-search input::placeholder{color:var(--text3)}.fc-filter-tabs{display:flex;gap:6px;flex-wrap:wrap}.fc-filter-tab{padding:7px 14px;border-radius:var(--r-full);background:#ffffff0d;border:1px solid var(--card-border);font-size:.82rem;color:var(--text2);cursor:pointer;transition:all var(--tr);display:flex;align-items:center;gap:5px}.fc-filter-tab.active{background:var(--primary-light);color:var(--primary);border-color:#6366f14d}.fc-filter-tab:hover:not(.active){background:#ffffff14;color:var(--text)}.fc-viewer{max-width:660px;margin:0 auto 48px}.fc-card-wrap{perspective:1200px;height:300px;cursor:pointer;margin-bottom:20px}.fc-card{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.175,.885,.32,1.275)}.fc-card.flipped{transform:rotateY(180deg)}.fc-front,.fc-back{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:var(--r-xl);padding:36px;backface-visibility:hidden;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--card-border);box-shadow:var(--shadow-lg)}.fc-front{background:var(--card-bg);-webkit-backdrop-filter:var(--blur2);backdrop-filter:var(--blur2)}.fc-back{background:linear-gradient(135deg,#6366f11f,#8b5cf614);-webkit-backdrop-filter:var(--blur2);backdrop-filter:var(--blur2);transform:rotateY(180deg);border-color:#6366f140}.fc-face-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:3px 10px;background:#ffffff12;border-radius:var(--r-full);color:var(--text3);align-self:flex-start}.fc-face-text{font-family:var(--font-h);font-size:1.15rem;font-weight:600;line-height:1.5;color:var(--text);flex:1;display:flex;align-items:center;padding:16px 0}.fc-hint{font-size:.78rem;color:var(--text3);display:flex;align-items:center;gap:6px;align-self:flex-end}.fc-viewer-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:16px}.fc-counter{font-family:var(--font-h);font-weight:700;font-size:.95rem;color:var(--text2)}.fc-action-row{display:flex;gap:12px;justify-content:center}.fc-action-btn{display:flex;align-items:center;gap:7px;padding:10px 20px;border-radius:var(--r-full);font-family:var(--font-h);font-weight:600;font-size:.88rem;cursor:pointer;border:1px solid;transition:all var(--tr)}.fc-repeat{background:var(--warning-light);border-color:#f59e0b4d;color:var(--warning)}.fc-repeat:hover{background:#f59e0b40;transform:translateY(-2px)}.fc-bookmark{background:var(--secondary-light);border-color:#8b5cf64d;color:var(--secondary)}.fc-bookmark.active{background:var(--secondary);color:#fff}.fc-bookmark:hover{transform:translateY(-2px)}.fc-master{background:var(--success-light);border-color:#22c55e4d;color:var(--success)}.fc-master:hover{background:#22c55e40;transform:translateY(-2px)}.fc-list-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.fc-list-title{font-family:var(--font-h);font-size:1.2rem;font-weight:700;display:flex;align-items:center;gap:10px}.fc-count-badge{font-size:.75rem;font-weight:700;padding:3px 10px;background:var(--primary-light);color:var(--primary);border-radius:var(--r-full)}.fc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.fc-item{background:var(--card-bg);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--card-border);border-radius:var(--r-lg);padding:20px;cursor:pointer;transition:all var(--tr);position:relative;overflow:hidden}.fc-item:hover{transform:translateY(-3px);border-color:var(--card-border-glow);box-shadow:var(--shadow-md)}.fc-item-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:10px}.fc-item-tag{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 8px;border-radius:var(--r-full);background:var(--primary-light);color:var(--primary)}.fc-item-actions{display:flex;align-items:center;gap:6px}.fc-item-icon-btn{width:28px;height:28px;border-radius:50%;background:none;border:none;color:var(--text3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--tr)}.fc-item-icon-btn:hover{background:#ffffff14;color:var(--text)}.fc-item-icon-btn.bookmarked{color:var(--secondary)}.fc-item-q{font-family:var(--font-h);font-size:.95rem;font-weight:600;color:var(--text);line-height:1.4;margin-bottom:8px}.fc-item-a{font-size:.82rem;color:var(--text2);line-height:1.5}.fc-item-status{position:absolute;bottom:0;left:0;right:0;height:3px}.fc-item-status.mastered{background:var(--success)}.fc-item-status.review{background:var(--warning)}.fc-empty{text-align:center;padding:80px 20px}.fc-empty-icon{width:80px;height:80px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;animation:floatY 3s ease-in-out infinite alternate}@keyframes floatY{0%{transform:translateY(0)}to{transform:translateY(-10px)}}.fc-empty h3{font-family:var(--font-h);font-size:1.3rem;font-weight:700;margin-bottom:8px}.fc-empty p{font-size:.9rem;color:var(--text2);margin-bottom:24px}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background:#090d16e6;backdrop-filter:var(--blur2);-webkit-backdrop-filter:var(--blur2);display:flex;align-items:center;justify-content:center}.loading-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--r-xl);padding:40px 36px;max-width:420px;width:90%;text-align:center;box-shadow:var(--shadow-lg),var(--shadow-glow)}.loading-orb{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;margin:0 auto 16px;box-shadow:0 0 30px var(--primary-glow);animation:spinPulse 2s ease-in-out infinite}@keyframes spinPulse{0%,to{transform:scale(1);box-shadow:0 0 20px var(--primary-glow)}50%{transform:scale(1.08);box-shadow:0 0 40px var(--primary-glow)}}.loading-pct{font-family:var(--font-h);font-size:2.2rem;font-weight:800;color:var(--accent);margin-bottom:8px}.loading-title{font-family:var(--font-h);font-size:1.2rem;font-weight:700;margin-bottom:6px}.loading-sub{font-size:.85rem;color:var(--text2);margin-bottom:20px}.loading-steps{text-align:left;display:flex;flex-direction:column;gap:8px}.lstep{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--text3);transition:color var(--tr)}.lstep.active{color:var(--text)}.lstep.done{color:var(--success)}.lstep-dot{width:8px;height:8px;border-radius:50%;background:#ffffff26;flex-shrink:0;transition:all var(--tr)}.lstep.active .lstep-dot{background:var(--accent);box-shadow:0 0 8px var(--accent);animation:pulseDot 1s infinite}.lstep.done .lstep-dot{background:var(--success)}@keyframes pulseDot{0%,to{transform:scale(.95);opacity:.8}50%{transform:scale(1.4);opacity:1}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background:#090d16cc;backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);display:flex;align-items:center;justify-content:center;padding:20px}.modal-card{background:var(--bg2);border:1px solid var(--card-border);border-radius:var(--r-xl);padding:40px 36px;max-width:460px;width:100%;text-align:center;box-shadow:var(--shadow-lg),var(--shadow-glow)}.results-trophy{width:70px;height:70px;border-radius:50%;background:var(--success-light);color:var(--success);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 0 25px #22c55e4d}.results-title{font-family:var(--font-h);font-size:1.8rem;font-weight:800;margin-bottom:6px}.results-sub{color:var(--text2);font-size:.95rem;margin-bottom:24px}.results-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}.res-stat{background:#ffffff0a;border:1px solid var(--card-border);padding:14px;border-radius:var(--r-md)}.res-val{font-family:var(--font-h);font-size:1.4rem;font-weight:800;color:var(--success)}.res-key{font-size:.75rem;color:var(--text3);margin-top:4px}.results-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.toast-container{position:fixed;bottom:24px;right:24px;z-index:3000;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:12px;padding:13px 18px;border-radius:var(--r-md);background:var(--card-bg);-webkit-backdrop-filter:var(--blur2);backdrop-filter:var(--blur2);border:1px solid var(--card-border-glow);color:var(--text);font-size:.88rem;box-shadow:var(--shadow-md);animation:slideInRight .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.profile-dropdown{position:fixed;top:76px;right:24px;z-index:1800;width:280px;background:var(--bg2);border:1px solid var(--card-border-glow);border-radius:var(--r-xl);padding:8px;box-shadow:var(--shadow-lg),0 0 40px #6366f133;opacity:0;pointer-events:none;transform:translateY(-10px) scale(.97);transition:opacity .22s cubic-bezier(.4,0,.2,1),transform .22s cubic-bezier(.4,0,.2,1);backdrop-filter:var(--blur2);-webkit-backdrop-filter:var(--blur2)}.profile-dropdown.open{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.pd-user-mini{display:flex;align-items:center;gap:12px;padding:10px 10px 14px}.pd-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#06b6d4,#3b82f6);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.88rem;color:#fff;flex-shrink:0}.pd-name{font-family:var(--font-h);font-weight:700;font-size:.9rem;color:var(--text)}.pd-email-mini{font-size:.75rem;color:var(--text3)}.pd-divider{height:1px;background:var(--card-border);margin:4px 0}.pd-menu{padding:4px 0}.pd-item{width:100%;display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r-md);background:none;border:none;color:var(--text2);font-family:var(--font-b);font-size:.88rem;cursor:pointer;transition:all var(--tr);text-align:left}.pd-item>svg:first-child,.pd-item>i:first-child{width:16px;height:16px;flex-shrink:0}.pd-item>span{flex:1}.pd-item:hover{background:#ffffff12;color:var(--text)}.pd-arrow{width:14px!important;height:14px!important;color:var(--text3);margin-left:auto}.pd-badge{font-size:.68rem;font-weight:700;background:var(--primary);color:#fff;padding:1px 6px;border-radius:var(--r-full);margin-left:auto}.pd-signout{color:var(--danger)!important;margin-top:2px}.pd-signout:hover{background:var(--danger-light)!important}.profile-panel-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1900;background:#00000073;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s ease}.profile-panel-backdrop.open{opacity:1;pointer-events:auto}.profile-panel{position:fixed;top:0;right:0;bottom:0;z-index:1950;width:480px;max-width:100vw;background:var(--bg2);border-left:1px solid var(--card-border);box-shadow:-8px 0 40px #0006;display:flex;flex-direction:column;transform:translate(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);overflow:hidden}.profile-panel.open{transform:translate(0)}.pp-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--card-border);flex-shrink:0;background:var(--bg2)}.pp-header-left{display:flex;align-items:center;gap:12px}.pp-back-btn{width:36px;height:36px;border-radius:50%;background:#ffffff0f;border:1px solid var(--card-border);color:var(--text2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--tr)}.pp-back-btn:hover{background:#ffffff1f;color:var(--text)}.pp-title{font-family:var(--font-h);font-size:1.2rem;font-weight:700;color:var(--text)}.pp-close{width:36px;height:36px;border-radius:50%;background:#ffffff0f;border:1px solid var(--card-border);color:var(--text2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--tr)}.pp-close:hover{background:var(--danger-light);color:var(--danger)}.pp-body{flex:1;overflow-y:auto;padding:28px 24px 40px}.pp-body::-webkit-scrollbar{width:5px}.pp-body::-webkit-scrollbar-track{background:transparent}.pp-body::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.pp-avatar-wrap{display:flex;flex-direction:column;align-items:center;margin-bottom:28px;gap:12px}.pp-big-avatar{width:90px;height:90px;border-radius:50%;background:linear-gradient(135deg,#06b6d4,#3b82f6);border:3px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-weight:800;font-size:2rem;color:#fff;box-shadow:0 8px 24px #06b6d466}.pp-change-photo{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-full);background:#ffffff0f;border:1px solid var(--card-border);color:var(--text2);font-size:.82rem;font-family:var(--font-b);cursor:pointer;transition:all var(--tr)}.pp-change-photo:hover{background:var(--primary-light);color:var(--primary);border-color:#6366f166}.pp-field-group{margin-bottom:16px}.pp-field-label{font-size:.78rem;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.pp-input{width:100%;padding:10px 14px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-md);color:var(--text);font-family:var(--font-b);font-size:.9rem;outline:none;transition:all var(--tr)}.pp-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.pp-input:disabled{opacity:.55;cursor:not-allowed}.pp-field-hint{font-size:.75rem;color:var(--text3);margin-top:5px}.pp-input-with-prefix{display:flex;align-items:center}.pp-prefix{padding:10px 12px;background:#ffffff0d;border:1px solid var(--input-border);border-right:none;border-radius:var(--r-md) 0 0 var(--r-md);color:var(--text3);font-size:.9rem}.pp-input-with-prefix .pp-input{border-radius:0 var(--r-md) var(--r-md) 0}.pp-select{width:100%;padding:10px 14px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--r-md);color:var(--text);font-family:var(--font-b);font-size:.9rem;outline:none;cursor:pointer}.pp-plan-badge{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--r-full);background:linear-gradient(135deg,#f59e0b33,#fbbf241a);border:1px solid rgba(245,158,11,.4);color:#f59e0b;font-family:var(--font-h);font-weight:700;font-size:.9rem}.pp-stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 24px}.pp-stat{background:#ffffff0a;border:1px solid var(--card-border);border-radius:var(--r-lg);padding:14px;text-align:center}.pp-stat-val{font-family:var(--font-h);font-size:1.5rem;font-weight:800;color:var(--primary)}.pp-stat-key{font-size:.72rem;color:var(--text3);margin-top:2px}.pp-section-icon{width:60px;height:60px;border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.pps-icon-primary{background:var(--primary-light);color:var(--primary)}.pps-icon-secondary{background:var(--secondary-light);color:var(--secondary)}.pps-icon-warning{background:var(--warning-light);color:var(--warning)}.pps-icon-success{background:var(--success-light);color:var(--success)}.pps-icon-accent{background:var(--accent-light);color:var(--accent)}.pp-section-title{font-family:var(--font-h);font-size:1.3rem;font-weight:700;margin-bottom:6px}.pp-section-desc{font-size:.88rem;color:var(--text2);line-height:1.6}.pp-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05)}.pp-toggle-label{font-size:.9rem;font-weight:600;color:var(--text)}.pp-toggle-desc{font-size:.78rem;color:var(--text3);margin-top:2px}.pp-toggle{position:relative;flex-shrink:0;cursor:pointer}.pp-toggle input{opacity:0;width:0;height:0;position:absolute}.pp-toggle-track{display:block;width:46px;height:26px;border-radius:13px;background:#ffffff1f;border:1px solid rgba(255,255,255,.15);transition:all .25s ease;position:relative}.pp-toggle input:checked+.pp-toggle-track{background:var(--primary);border-color:var(--primary)}.pp-toggle-thumb{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #0000004d;transition:transform .25s cubic-bezier(.175,.885,.32,1.275)}.pp-toggle input:checked~.pp-toggle-track .pp-toggle-thumb{transform:translate(20px)}.pp-notif-list{display:flex;flex-direction:column;gap:2px;margin:16px 0 4px}.pp-notif-item{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:var(--r-md);background:#ffffff08;transition:background var(--tr);cursor:pointer}.pp-notif-item:hover{background:#ffffff0f}.pp-notif-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:4px;flex-shrink:0}.pp-notif-item:not(.unread) .pp-notif-dot{background:var(--text3)}.pp-notif-title{font-size:.88rem;color:var(--text);font-weight:500}.pp-notif-time{font-size:.75rem;color:var(--text3);margin-top:3px}.pp-security-badge{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-md);background:var(--success-light);border:1px solid rgba(34,197,94,.3);color:var(--success);font-size:.88rem;font-weight:500;margin-bottom:4px}.pp-danger-btn{width:100%;display:flex;align-items:center;gap:10px;padding:11px 16px;border-radius:var(--r-md);background:#ffffff0a;border:1px solid var(--card-border);color:var(--text2);font-family:var(--font-b);font-size:.9rem;cursor:pointer;transition:all var(--tr);margin-bottom:10px;text-align:left}.pp-danger-btn:hover{background:#ffffff14;color:var(--text)}.pp-danger-red{color:var(--danger);border-color:#ef444433}.pp-danger-red:hover{background:var(--danger-light)!important}.pp-faq-list{display:flex;flex-direction:column;gap:2px;margin:16px 0}.pp-faq{border:1px solid var(--card-border);border-radius:var(--r-md);overflow:hidden;transition:all var(--tr)}.pp-faq summary{padding:13px 16px;font-size:.9rem;font-weight:600;color:var(--text);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;-webkit-user-select:none;user-select:none}.pp-faq summary:after{content:"+";color:var(--primary);font-size:1.2rem;transition:transform .25s}.pp-faq[open] summary:after{content:"−"}.pp-faq[open]{border-color:var(--card-border-glow)}.pp-faq p{padding:0 16px 14px;font-size:.85rem;color:var(--text2);line-height:1.65}.pp-contact-cards{display:flex;flex-direction:column;gap:12px}.pp-contact-card{display:flex;align-items:center;gap:14px;padding:14px;border-radius:var(--r-lg);background:#ffffff0a;border:1px solid var(--card-border);text-decoration:none;transition:all var(--tr)}.pp-contact-card:hover{border-color:var(--card-border-glow);transform:translateY(-2px)}.pp-contact-icon{width:44px;height:44px;border-radius:var(--r-md);background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.pp-contact-title{font-family:var(--font-h);font-weight:700;font-size:.9rem;color:var(--text)}.pp-contact-sub{font-size:.78rem;color:var(--text3);margin-top:2px}.pp-about-logo{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:20px}.pp-about-name{font-family:var(--font-h);font-size:1.6rem;font-weight:800}.pp-about-ver{font-size:.78rem;color:var(--text3)}.pp-about-desc{font-size:.9rem;color:var(--text2);text-align:center;line-height:1.7;margin-bottom:20px}.pp-about-tech{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:4px}.pp-tech-badge{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-full);background:var(--primary-light);border:1px solid rgba(99,102,241,.25);color:var(--primary);font-size:.8rem;font-weight:600}.pp-about-links{display:flex;flex-direction:column;gap:2px}.pp-about-link{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:var(--r-md);color:var(--text2);text-decoration:none;font-size:.88rem;transition:all var(--tr)}.pp-about-link:hover{background:#ffffff0f;color:var(--text)}.pp-about-copy{text-align:center;font-size:.78rem;color:var(--text3);margin-top:24px}@media(max-width:768px){.config-bar{flex-direction:column;align-items:stretch}.config-group{flex-wrap:wrap}.stat-cards-grid{grid-template-columns:repeat(2,1fr)}.nav-links{gap:2px}.nav-link{padding:6px 10px;font-size:.8rem}}@media(max-width:540px){.q-card{padding:20px 16px}.modal-card,.loading-card{padding:24px 18px}.floating-nav{padding:8px 14px}.hero-title{font-size:2rem}.stat-cards-grid{grid-template-columns:1fr}.fc-card-wrap{height:260px}}@media(max-width:520px){.profile-panel{width:100vw}.profile-dropdown{right:12px;width:calc(100vw - 24px)}}