:root{--bg-dark:#0b1120;--bg-card:#1e293b;--bg-card-hover:#334155;--text-main:#f8fafc;--text-muted:#94a3b8;--flame-color:#fbbf24;--flame-glow:#fbbf2466;--medical-teal:#14b8a6;--medical-teal-glow:#14b8a64d;--accent-purple:#8b5cf6;--sidebar-width:260px;--success:#22c55e;--error:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow-x:hidden}.card{background:var(--bg-card);border:1px solid #ffffff0d;border-radius:16px;padding:24px}.navbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#0b1120cc;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:20px 5%;display:flex;position:sticky;top:0}.nav-links{align-items:center;gap:20px;display:flex}.nav-links a{color:var(--text-muted);font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--text-main)}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-family:inherit;font-weight:600;transition:all .2s}.btn-primary{background:linear-gradient(135deg, var(--medical-teal), #0d9488);color:#fff;box-shadow:0 4px 15px var(--medical-teal-glow)}.btn-primary:hover{box-shadow:0 6px 20px var(--medical-teal-glow);transform:translateY(-2px)}.btn-outline{color:var(--text-main);background:0 0;border:1px solid #fff3}.btn-outline:hover{background:#ffffff0d}.logo{letter-spacing:-.5px;color:var(--text-main);align-items:center;font-size:1.5rem;font-weight:800;text-decoration:none;display:flex}.candle-i{flex-direction:column;align-items:center;margin:0 1px;line-height:1;display:inline-flex;position:relative}.flame-svg{width:14px;height:18px;color:var(--flame-color);filter:drop-shadow(0 0 6px var(--flame-glow));animation:3s ease-in-out infinite flicker;position:absolute;top:-14px}.logo-plus{color:var(--flame-color);margin-left:2px}@keyframes flicker{0%{filter:drop-shadow(0 0 6px var(--flame-glow));transform:scale(1)rotate(-2deg)}25%{filter:drop-shadow(0 0 10px var(--flame-glow));transform:scale(1.05)rotate(2deg)}50%{filter:drop-shadow(0 0 4px var(--flame-glow));transform:scale(.95)rotate(-1deg)}75%{filter:drop-shadow(0 0 8px var(--flame-glow));transform:scale(1.02)rotate(1deg)}to{filter:drop-shadow(0 0 6px var(--flame-glow));transform:scale(1)rotate(-2deg)}}.hero{text-align:center;background-image:radial-gradient(circle at 15%,#14b8a614,#0000 25%),radial-gradient(circle at 85% 30%,#fbbf240d,#0000 25%);flex-direction:column;align-items:center;gap:24px;max-width:900px;margin:0 auto;padding:80px 5% 40px;display:flex}.hero-badge{color:var(--flame-color);letter-spacing:1px;text-transform:uppercase;background:#fbbf241a;border:1px solid #fbbf2433;border-radius:20px;padding:6px 16px;font-size:.85rem;font-weight:600}.hero h1{background:linear-gradient(90deg,#fff,#94a3b8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:3.5rem;font-weight:800;line-height:1.1}.hero h1 span{background:linear-gradient(to right, var(--medical-teal), #4ade80);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero p{color:var(--text-muted);max-width:700px;font-size:1.2rem;line-height:1.6}.hero-actions{gap:16px;margin-top:10px;display:flex}.hero-actions .btn{padding:14px 28px;font-size:1.1rem}.dashboard-layout{background:var(--bg-dark);min-height:100vh;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-card);border-right:1px solid #ffffff0d;flex-direction:column;height:100vh;padding:24px;transition:width .3s cubic-bezier(.4,0,.2,1),padding .3s cubic-bezier(.4,0,.2,1);display:flex;position:sticky;top:0}.sidebar-header{margin-bottom:40px}.sidebar-nav{flex-direction:column;flex:1;gap:12px;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:1rem;font-weight:500;transition:all .3s;display:flex}.nav-item:hover{color:var(--text-main);background:#ffffff0d}.nav-item.active{background:var(--medical-teal-glow);color:var(--medical-teal);border-right:3px solid var(--medical-teal)}.sidebar-footer{border-top:1px solid #ffffff0d;margin-top:auto;padding-top:24px}.user-profile{align-items:center;gap:12px;margin-bottom:20px;display:flex}.avatar{background:var(--accent-purple);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;font-weight:700;display:flex}.user-info{flex-direction:column;display:flex}.user-name{color:var(--text-main);font-weight:600}.user-role{color:var(--text-muted);font-size:.8rem}.dashboard-main{scroll-behavior:smooth;-webkit-overflow-scrolling:touch;flex:1;height:100vh;padding:32px 48px;overflow-y:auto}.dashboard-header{justify-content:space-between;align-items:center;margin-bottom:40px;display:flex}.header-search{position:relative}.header-search input{color:var(--text-main);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:24px;width:350px;padding:12px 20px 12px 45px;font-size:.95rem}.header-actions{gap:16px;display:flex}.header-actions .btn-icon{width:45px;height:45px;color:var(--text-muted);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex}.header-actions .btn-icon:hover{color:var(--text-main);background:#ffffff1a}.dashboard-content{flex-direction:column;gap:32px;display:flex}.content-grid{grid-template-columns:2fr 1fr;gap:32px;display:grid}.content-left,.content-right{flex-direction:column;gap:32px;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;display:grid}.stat-card{align-items:center;gap:16px;padding:24px;display:flex}.stat-icon{border-radius:12px;justify-content:center;align-items:center;width:50px;height:50px;display:flex}.stat-info h4{color:var(--text-muted);margin:0;font-size:.9rem;font-weight:500}.stat-info p{color:var(--text-main);margin:4px 0 0;font-size:1.5rem;font-weight:700}.recent-grid,.clinical-grid,.kpss-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;display:grid}.text-purple{color:var(--accent-purple)}.text-teal{color:var(--medical-teal)}.text-amber{color:var(--flame-color)}.text-error{color:var(--error)}.text-success{color:var(--success)}.badge{border-radius:12px;padding:4px 10px;font-size:.75rem;font-weight:600}.lesson-tabs{border-bottom:1px solid #ffffff1a;flex-wrap:wrap;gap:12px;margin-bottom:24px;padding-bottom:16px;display:flex}.tab-btn,.guide-tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 16px;font-size:.95rem;font-weight:500;transition:all .3s;display:flex}.tab-btn:hover,.guide-tab-btn:hover{color:var(--text-main);background:#ffffff0d;border-color:#fff3}.tab-btn.active,.guide-tab-btn.active{color:var(--medical-teal);border-color:var(--medical-teal);background:#14b8a61a}.back-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;margin-bottom:24px;padding:8px 16px;font-size:.95rem;font-weight:500;transition:all .3s;display:inline-flex}.back-btn:hover{color:var(--text-main);background:#ffffff0d;border-color:#ffffff1a}.primary-btn{background:linear-gradient(135deg, var(--medical-teal), #0d9488);color:#fff;cursor:pointer;box-shadow:0 4px 15px var(--medical-teal-glow);border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:600;transition:all .3s;display:inline-flex}.primary-btn:hover{box-shadow:0 6px 20px var(--medical-teal-glow);transform:translateY(-2px)}.secondary-btn{color:var(--text-main);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:600;transition:all .3s;display:inline-flex}.secondary-btn:hover{background:#ffffff1a;border-color:#fff3}.play-btn{background:var(--accent-purple);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:all .3s;display:flex;box-shadow:0 4px 15px #8b5cf64d}.play-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #8b5cf680}.recent-card{background:var(--bg-card);cursor:pointer;border:1px solid #ffffff0d;border-radius:16px;align-items:center;gap:16px;padding:20px;transition:all .3s;display:flex;position:relative;overflow:hidden}.recent-card:hover{background:var(--bg-card-hover);border-color:#ffffff1a;transform:translateY(-4px);box-shadow:0 10px 25px #0000004d}.icon-wrapper{background:#ffffff0d;border-radius:12px;justify-content:center;align-items:center;width:50px;height:50px;display:flex}.recent-info h4{color:var(--text-main);align-items:center;margin:0 0 4px;font-size:1rem;display:flex}.recent-info p{color:var(--text-muted);margin:0;font-size:.85rem}.clinical-card{background:var(--bg-card);text-align:center;cursor:pointer;border:1px solid #ffffff0d;border-radius:20px;flex-direction:column;align-items:center;padding:30px 24px;transition:all .3s;display:flex;position:relative;overflow:hidden}.clinical-card:hover{background:var(--bg-card-hover);transform:translateY(-5px);box-shadow:0 12px 30px #0000004d}.card-bg-icon{opacity:.03;color:#fff;pointer-events:none;position:absolute;bottom:-20px;right:-20px}.clinical-icon{background:#ffffff0d;border-radius:16px;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:20px;display:flex}.clinical-card h3{color:var(--text-main);margin:0 0 10px;font-size:1.2rem}.clinical-card p{color:var(--text-muted);flex:1;margin:0 0 20px;font-size:.9rem}.card-footer{flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100%;margin-top:auto;display:flex}.guide-tabs{flex-wrap:wrap;gap:12px;display:flex}.timer-widget{text-align:center;background:var(--bg-card);padding:40px 24px}.timer-header{margin-bottom:30px}.timer-modes{background:#ffffff0d;border-radius:12px;padding:4px;display:inline-flex}.mode-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 24px;font-weight:600;transition:all .3s}.mode-btn.active{background:var(--medical-teal);color:#fff;box-shadow:0 4px 15px var(--medical-teal-glow)}.timer-display{justify-content:center;margin-bottom:40px;display:flex}.timer-circle{border:4px solid var(--medical-teal);width:250px;height:250px;box-shadow:0 0 40px var(--medical-teal-glow), inset 0 0 20px var(--medical-teal-glow);background:#14b8a60d;border-radius:50%;justify-content:center;align-items:center;display:flex}.timer-inner{flex-direction:column;display:flex}.timer-inner .time{color:var(--text-main);font-variant-numeric:tabular-nums;letter-spacing:2px;font-size:4rem;font-weight:800}.timer-inner .mode-label{color:var(--medical-teal);text-transform:uppercase;letter-spacing:1px;margin-top:8px;font-size:1rem;font-weight:600}.timer-controls{justify-content:center;gap:16px;display:flex}.timer-btn{cursor:pointer;border:none;border-radius:12px;align-items:center;gap:8px;padding:14px 28px;font-size:1rem;font-weight:600;transition:all .3s;display:inline-flex}.timer-btn.primary{background:linear-gradient(135deg, var(--medical-teal), #0d9488);color:#fff;box-shadow:0 4px 15px var(--medical-teal-glow)}.timer-btn.primary:hover{box-shadow:0 6px 20px var(--medical-teal-glow);transform:translateY(-2px)}.timer-btn.secondary{color:var(--text-main);background:#ffffff0d;border:1px solid #ffffff1a}.timer-btn.secondary:hover{background:#ffffff1a}.features{max-width:1200px;margin:0 auto;padding:80px 20px}.section-title{text-align:center;background:linear-gradient(135deg,#fff 0%,#cbd5e1 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:50px;font-size:2.2rem;font-weight:800}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-top:40px;display:grid}.feature-card{background:var(--bg-card);border:1px solid #ffffff0d;border-radius:16px;flex-direction:column;align-items:flex-start;padding:30px;transition:all .3s;display:flex;box-shadow:0 10px 30px #0003}.feature-card:hover{border-color:#ffffff1a;transform:translateY(-5px);box-shadow:0 15px 40px #0000004d}.feature-icon{border-radius:12px;justify-content:center;align-items:center;width:50px;height:50px;margin-bottom:20px;display:flex}.icon-purple{color:#8b5cf6;background:#8b5cf61a}.icon-teal{color:#14b8a6;background:#14b8a61a}.icon-amber{color:#f59e0b;background:#f59e0b1a}.feature-card h3{color:var(--text-main);margin-bottom:15px;font-size:1.4rem}.feature-card p{color:var(--text-muted);font-size:1rem;line-height:1.6}.ecg-list{flex-flow:wrap;gap:10px;display:flex}.ecg-list-item{text-align:center;min-width:150px;color:var(--text-muted);cursor:pointer;background:#ffffff0d;border:none;border-bottom:4px solid #0000;border-radius:4px;flex:1;padding:12px 15px;font-weight:500;transition:all .2s}.ecg-list-item:hover{color:var(--text-main);background:#ffffff1a}.ecg-list-item.active{color:var(--text-main);background:#ffffff26;box-shadow:0 2px 8px #0003}.ecg-monitor{background:#000;border:2px solid #333;border-radius:12px;position:relative;overflow:hidden;box-shadow:inset 0 0 20px #000c}.monitor-header{background:#111;border-bottom:1px solid #222;justify-content:space-between;padding:10px 15px;display:flex}.monitor-title{color:#fff;letter-spacing:1px;font-weight:700}.monitor-rate{font-size:1.1rem;font-weight:700}.monitor-screen{background:#000;height:200px;position:relative}.ecg-grid-bg{background-image:linear-gradient(#ffffff1a 1px,#0000 1px),linear-gradient(90deg,#ffffff1a 1px,#0000 1px);background-size:20px 20px;position:absolute;inset:0}.ecg-line-svg{z-index:2;width:100%;height:100%;position:absolute}@keyframes ecg-scroll{0%{transform:translate(0)}to{transform:translate(-100%)}}.ecg-path{filter:drop-shadow(0 0 5px)}.ecg-normal{animation:3s linear infinite ecg-scroll}.ecg-brady{animation:5s linear infinite ecg-scroll}.ecg-tachy{animation:1.5s linear infinite ecg-scroll}.ecg-vf{animation:2s linear infinite ecg-scroll}.ecg-vt{animation:1s linear infinite ecg-scroll}.ecg-flat{animation:10s linear infinite ecg-scroll}.settings-container{padding:0}.settings-grid{grid-template-columns:1fr 1fr;gap:30px;margin-top:30px;display:grid}.settings-col{flex-direction:column;gap:30px;display:flex}.settings-card{padding:30px}.settings-card-header{border-bottom:1px solid #ffffff1a;align-items:center;gap:12px;margin-bottom:25px;padding-bottom:15px;display:flex}.settings-card-header h3{color:var(--text-main);margin:0;font-size:1.2rem}.profile-info{align-items:center;gap:20px;margin-bottom:30px;display:flex}.profile-avatar-large{background:linear-gradient(135deg, var(--accent-purple), #c084fc);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;font-size:2rem;font-weight:700;display:flex;box-shadow:0 4px 15px #8b5cf666}.profile-details{flex-direction:column;flex:1;gap:15px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-muted);font-size:.85rem}.settings-input{color:var(--text-main);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;padding:12px 15px;font-size:1rem}.subscription-box{background:#fbbf240d;border:1px solid #fbbf2433;border-radius:12px;align-items:center;gap:15px;padding:20px;display:flex}.sub-icon{background:#fbbf241a;border-radius:10px;justify-content:center;align-items:center;width:45px;height:45px;display:flex}.sub-details{flex:1}.sub-details h4{color:#fbbf24;margin:0 0 5px;font-size:1.1rem}.sub-details p{color:var(--text-muted);margin:0;font-size:.85rem}.settings-list{flex-direction:column;gap:10px;display:flex}.settings-list-btn{color:var(--text-main);text-align:left;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;justify-content:space-between;align-items:center;padding:15px;font-size:1rem;font-weight:500;transition:all 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input{width:100%!important}.header-search{width:100%}.content-grid{grid-template-columns:1fr;gap:20px}.recent-grid,.clinical-grid,.kpss-grid,.stats-grid{grid-template-columns:1fr;gap:15px}.timer-circle{width:200px;height:200px}.timer-inner .time{font-size:3rem}.dashboard-header{flex-direction:column;align-items:flex-start;gap:15px}.dashboard-header h1{font-size:1.5rem}.header-actions{justify-content:space-between;width:100%}.lesson-tabs,.guide-tabs{-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-wrap:nowrap;padding-bottom:5px;overflow-x:auto}.lesson-tabs::-webkit-scrollbar{display:none}.guide-tabs::-webkit-scrollbar{display:none}.tab-btn,.guide-tab-btn{white-space:nowrap}.dashboard-main>div[style*="linear-gradient(135deg, rgba(236, 72, 153, 0.1)"]{text-align:center;flex-direction:column!important;align-items:stretch!important}.dashboard-main>div[style*="linear-gradient(135deg, rgba(236, 72, 153, 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