@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--primary:#6c5ce7;--primary-light:#a29bfe;--primary-dark:#4a3cb5;--secondary:#00cec9;--secondary-light:#81ecec;--accent:#fd79a8;--accent-light:#fdcb6e;--bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-card:#16213e;--bg-card-hover:#1e2d4a;--bg-glass:#16213eb3;--bg-input:#1a1a2e;--text-primary:#fff;--text-secondary:#b8b8d4;--text-muted:#6c6c8a;--text-accent:#a29bfe;--border-color:#6c5ce733;--border-light:#ffffff0f;--shadow-sm:0 2px 8px #0003;--shadow-md:0 4px 16px #0000004d;--shadow-lg:0 8px 32px #0006;--shadow-glow:0 0 20px #6c5ce74d;--shadow-glow-accent:0 0 20px #fd79a84d;--gradient-primary:linear-gradient(135deg,#6c5ce7 0%,#a29bfe 100%);--gradient-secondary:linear-gradient(135deg,#00cec9 0%,#81ecec 100%);--gradient-accent:linear-gradient(135deg,#fd79a8 0%,#fdcb6e 100%);--gradient-dark:linear-gradient(135deg,#0f0f1a 0%,#1a1a2e 50%,#16213e 100%);--gradient-hero:linear-gradient(180deg,#0f0f1a 0%,#16213e 50%,#1a1a2e 100%);--gradient-card:linear-gradient(145deg,#6c5ce70d 0%,#16213ecc 100%);--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--space-4xl:96px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:50%;--font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--sidebar-width:80px;--sidebar-expanded:240px;--transition-fast:.15s ease;--transition-normal:.3s ease;--transition-slow:.5s ease}[data-theme=light]{--bg-primary:#f5f5fc;--bg-secondary:#ededf5;--bg-card:#fff;--bg-card-hover:#f0f0fa;--bg-glass:#ffffffb3;--bg-input:#f0f0fa;--text-primary:#1a1a2e;--text-secondary:#6c6c8a;--text-muted:#9999b3;--border-color:#6c5ce726;--border-light:#0000000f;--shadow-sm:0 2px 8px #0000000f;--shadow-md:0 4px 16px #00000014;--shadow-lg:0 8px 32px #0000001f;--gradient-hero:linear-gradient(180deg,#f5f5fc 0%,#ededf5 50%,#f0f0fa 100%);--gradient-card:linear-gradient(145deg,#6c5ce708 0%,#fffc 100%)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;overflow-x:hidden}nextjs-portal{display:none!important}a{color:inherit;text-decoration:none}button{font-family:var(--font-family);cursor:pointer;border:none;outline:none}input,textarea,select{font-family:var(--font-family);outline:none}.chart-container{width:100%;height:300px;max-height:50vh;position:relative}.landing-page{background:var(--gradient-hero);min-height:100vh;position:relative;overflow:hidden}.landing-page:before{content:"";pointer-events:none;background:radial-gradient(circle at 30% 20%,#6c5ce714 0%,#0000 50%),radial-gradient(circle at 70% 80%,#00cec90f 0%,#0000 50%),radial-gradient(circle,#fd79a80a 0%,#0000 50%);width:200%;height:200%;animation:20s ease-in-out infinite bgFloat;position:absolute;top:-50%;left:-50%}@keyframes bgFloat{0%,to{transform:translate(0)rotate(0)}33%{transform:translate(2%,-2%)rotate(1deg)}66%{transform:translate(-1%,1%)rotate(-1deg)}}.particles{pointer-events:none;z-index:0;width:100%;height:100%;position:fixed;top:0;left:0;overflow:hidden}.particle{background:var(--primary-light);opacity:.15;border-radius:50%;width:4px;height:4px;animation:linear infinite particleFloat;position:absolute}@keyframes particleFloat{0%{opacity:0;transform:translateY(100vh)scale(0)}10%{opacity:.15}90%{opacity:.15}to{opacity:0;transform:translateY(-10vh)scale(1)}}.hero{z-index:1;min-height:100vh;padding:var(--space-2xl)var(--space-lg);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.hero-logo{color:#fff;width:80px;height:80px;margin-bottom:var(--space-xl);background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:2rem;font-weight:900;animation:3s ease-in-out infinite logoFloat;display:flex;position:relative}.hero-logo:after{display:none}@keyframes logoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.hero-badge{align-items:center;gap:var(--space-sm);padding:var(--space-sm)var(--space-md);border-radius:var(--radius-xl);color:var(--primary-light);margin-bottom:var(--space-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#6c5ce71f;border:1px solid #6c5ce733;font-size:.8rem;font-weight:500;display:inline-flex}.hero-badge .dot{background:var(--secondary);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.5)}}.hero h1{margin-bottom:var(--space-lg);letter-spacing:-.02em;font-size:clamp(2rem,5vw,3.5rem);font-weight:900;line-height:1.15}.hero h1 .gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero h1 .accent-text{background:var(--gradient-accent);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-desc{color:var(--text-secondary);max-width:500px;margin-bottom:var(--space-2xl);font-size:1.1rem;line-height:1.7}.hero-buttons{gap:var(--space-md);margin-bottom:var(--space-lg);flex-wrap:wrap;justify-content:center;display:flex}.btn{justify-content:center;align-items:center;gap:var(--space-sm);border-radius:var(--radius-md);transition:all var(--transition-normal);padding:14px 28px;font-size:.95rem;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn:before{content:"";opacity:0;transition:opacity var(--transition-fast);background:linear-gradient(135deg,#ffffff1a 0%,#0000 100%);position:absolute;inset:0}.btn:hover:before{opacity:1}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 15px #6c5ce74d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #6c5ce766}.btn-outline{color:var(--text-primary);border:1.5px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:0 0}.btn-outline:hover{border-color:var(--primary);background:#6c5ce714;transform:translateY(-2px)}.btn-instagram{color:#fff;background:linear-gradient(135deg,#833ab4 0%,#fd1d1d 50%,#f77737 100%);box-shadow:0 4px 15px #fd1d1d4d}.btn-instagram:hover{transform:translateY(-2px);box-shadow:0 6px 25px #fd1d1d66}.btn-large{border-radius:var(--radius-lg);padding:16px 40px;font-size:1.05rem}.btn-sm{padding:8px 18px;font-size:.85rem}.btn-danger{color:#fff;background:linear-gradient(135deg,#e74c3c 0%,#c0392b 100%)}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 20px #e74c3c66}.btn-success{color:#fff;background:linear-gradient(135deg,#00b894 0%,#00cec9 100%)}.btn-success:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00b89466}.btn-ghost{color:var(--text-secondary);background:0 0;padding:8px 16px}.btn-ghost:hover{color:var(--primary-light);background:#6c5ce714}.hero-login-link{color:var(--text-muted);transition:color var(--transition-fast);font-size:.85rem}.hero-login-link:hover{color:var(--primary-light)}.features-section{z-index:1;padding:var(--space-4xl)var(--space-lg);justify-content:center;display:flex;position:relative}.features-grid{gap:var(--space-lg);grid-template-columns:repeat(3,1fr);width:100%;max-width:900px;display:grid}.feature-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all var(--transition-normal);position:relative;overflow:hidden}.feature-card:before{content:"";background:var(--gradient-primary);opacity:0;height:2px;transition:opacity var(--transition-normal);position:absolute;top:0;left:0;right:0}.feature-card:hover{box-shadow:var(--shadow-glow);border-color:#6c5ce74d;transform:translateY(-4px)}.feature-card:hover:before{opacity:1}.feature-card:nth-child(2):before{background:var(--gradient-secondary)}.feature-card:nth-child(3):before{background:var(--gradient-accent)}.feature-card:nth-child(2):hover{box-shadow:0 0 20px #00cec94d}.feature-card:nth-child(3):hover{box-shadow:var(--shadow-glow-accent)}.feature-icon{border-radius:var(--radius-md);width:56px;height:56px;margin:0 auto var(--space-md);color:var(--primary-light);background:#6c5ce71f;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.feature-card:nth-child(2) .feature-icon{color:var(--secondary);background:#00cec91f}.feature-card:nth-child(3) .feature-icon{color:var(--accent);background:#fd79a81f}.feature-card h3{margin-bottom:var(--space-sm);font-size:1.05rem;font-weight:700}.feature-card p{color:var(--text-secondary);font-size:.85rem;line-height:1.5}.instagram-section{z-index:1;padding:var(--space-4xl)var(--space-lg);text-align:center;position:relative}.instagram-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);max-width:600px;padding:var(--space-3xl)var(--space-2xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);margin:0 auto;position:relative;overflow:hidden}.instagram-card:before{content:"";background:linear-gradient(90deg,#833ab4,#fd1d1d,#f77737);height:3px;position:absolute;top:0;left:0;right:0}.instagram-icon{border-radius:var(--radius-lg);color:#fff;width:72px;height:72px;margin:0 auto var(--space-lg);background:linear-gradient(135deg,#833ab4,#fd1d1d,#f77737);justify-content:center;align-items:center;font-size:2rem;display:flex;box-shadow:0 4px 20px #fd1d1d4d}.instagram-handle{margin-bottom:var(--space-sm);background:linear-gradient(135deg,#833ab4,#fd1d1d);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.4rem;font-weight:800}.instagram-desc{color:var(--text-secondary);margin-bottom:var(--space-xl);font-size:.95rem}.landing-footer{z-index:1;padding:var(--space-xl)var(--space-lg);text-align:center;border-top:1px solid var(--border-light);position:relative}.landing-footer p{color:var(--text-muted);margin-bottom:var(--space-sm);font-size:.8rem}.footer-links{gap:var(--space-md);justify-content:center;display:flex}.footer-links a{color:var(--text-muted);transition:color var(--transition-fast);font-size:.8rem}.footer-links a:hover{color:var(--primary-light)}.auth-page{background:var(--gradient-hero);min-height:100vh;padding:var(--space-lg);justify-content:center;align-items:center;display:flex;position:relative}.auth-page:before{content:"";pointer-events:none;background:radial-gradient(circle at 30%,#6c5ce714 0%,#0000 50%);width:200%;height:200%;position:absolute;top:-50%;left:-50%}.auth-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);width:100%;max-width:420px;padding:var(--space-2xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:1;position:relative}.auth-card h1{margin-bottom:var(--space-xs);text-align:center;font-size:1.6rem;font-weight:800}.auth-card .auth-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:var(--space-xl);font-size:.9rem}.form-group{margin-bottom:var(--space-md)}.form-group label{color:var(--text-secondary);margin-bottom:var(--space-xs);font-size:.85rem;font-weight:600;display:block}.form-input{background:var(--bg-input);border:1.5px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:all var(--transition-fast);padding:12px 16px;font-size:.95rem}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6c5ce726}.form-input::placeholder{color:var(--text-muted)}.auth-card .btn{width:100%;margin-top:var(--space-md)}.auth-footer{text-align:center;margin-top:var(--space-lg);color:var(--text-muted);font-size:.85rem}.auth-footer a{color:var(--primary-light);transition:color var(--transition-fast);font-weight:600}.auth-footer a:hover{color:var(--primary)}.auth-back{align-items:center;gap:var(--space-xs);color:var(--text-muted);margin-bottom:var(--space-lg);transition:color var(--transition-fast);font-size:.85rem;display:inline-flex}.auth-back:hover{color:var(--primary-light)}.alert{border-radius:var(--radius-md);margin-bottom:var(--space-md);padding:12px 16px;font-size:.85rem}.alert-error{color:#e74c3c;background:#e74c3c1f;border:1px solid #e74c3c4d}.alert-success{color:#00b894;background:#00b8941f;border:1px solid #00b8944d}.alert-warning{color:#fdcb6e;background:#fdcb6e1f;border:1px solid #fdcb6e4d}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-light);padding:var(--space-md)0;transition:width var(--transition-normal);z-index:100;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow:hidden}.sidebar:hover{width:var(--sidebar-expanded)}.sidebar-logo{color:#fff;width:48px;min-width:48px;height:48px;margin:0 auto var(--space-xl);background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:1rem;font-weight:900;display:flex;overflow:hidden}.sidebar-nav{gap:var(--space-xs);flex-direction:column;flex:1;padding:0 10px;display:flex}.sidebar-link{align-items:center;gap:var(--space-md);border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap;padding:12px;display:flex;overflow:hidden}.sidebar-link:hover{color:var(--text-primary);background:#6c5ce714}.sidebar-link.active{color:var(--primary-light);background:#6c5ce726}.sidebar-link .icon{border-radius:var(--radius-sm);background:#6c5ce714;justify-content:center;align-items:center;width:40px;min-width:40px;height:40px;font-size:1.2rem;display:flex}.sidebar-link.active .icon{background:var(--gradient-primary);color:#fff}.sidebar-link .label{opacity:0;transition:opacity var(--transition-fast);font-size:.9rem;font-weight:500}.sidebar:hover .sidebar-link .label{opacity:1}.sidebar-bottom{padding:var(--space-md)10px;border-top:1px solid var(--border-light)}.theme-toggle{justify-content:flex-start;align-items:center;gap:var(--space-md);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;white-space:nowrap;width:100%;transition:all var(--transition-fast);background:#6c5ce70d;border:none;padding:10px 12px;font-size:.85rem;display:flex;overflow:hidden}.theme-toggle:hover{background:#6c5ce71a}.theme-toggle .icon{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:40px;min-width:40px;height:40px;margin-left:-4px;font-size:1.2rem;display:flex}.theme-toggle .label{opacity:0;transition:opacity var(--transition-fast)}.sidebar:hover .theme-toggle .label{opacity:1}.main-content{margin-left:var(--sidebar-width);padding:var(--space-xl)var(--space-2xl);min-height:100vh;transition:margin-left var(--transition-normal);flex:1;min-width:0;max-width:100vw}.page-header{margin-bottom:var(--space-xl)}.page-header h1{margin-bottom:var(--space-xs);font-size:1.6rem;font-weight:800}.page-header p{color:var(--text-secondary);font-size:.9rem}.stats-grid{gap:var(--space-md);margin-bottom:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.stat-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal);position:relative;overflow:hidden}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card .stat-icon{border-radius:var(--radius-md);width:44px;height:44px;margin-bottom:var(--space-md);justify-content:center;align-items:center;font-size:1.3rem;display:flex}.stat-card .stat-icon.purple{color:var(--primary-light);background:#6c5ce71f}.stat-card .stat-icon.teal{color:var(--secondary);background:#00cec91f}.stat-card .stat-icon.pink{color:var(--accent);background:#fd79a81f}.stat-card .stat-icon.yellow{color:var(--accent-light);background:#fdcb6e1f}.stat-card .stat-value{margin-bottom:2px;font-size:1.8rem;font-weight:800}.stat-card .stat-label{color:var(--text-muted);font-size:.8rem;font-weight:500}.card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md)}.card-header{margin-bottom:var(--space-md);justify-content:space-between;align-items:center;display:flex}.card-header h2{font-size:1.1rem;font-weight:700}.card-header h3{font-size:1rem;font-weight:600}.tabs-container{margin-bottom:var(--space-lg)}.tabs{gap:var(--space-xs);padding-bottom:var(--space-sm);-webkit-overflow-scrolling:touch;scrollbar-width:none;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tab{border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap;cursor:pointer;background:0 0;border:1.5px solid #0000;flex-shrink:0;padding:10px 20px;font-size:.85rem;font-weight:600}.tab:hover{color:var(--text-primary);background:#6c5ce714}.tab.active{color:var(--primary-light);background:#6c5ce726;border-color:#6c5ce74d}.week-nav{align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);display:flex}.week-nav-btn{border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-secondary);border:1px solid var(--border-color);transition:all var(--transition-fast);cursor:pointer;background:#6c5ce714;flex-shrink:0;justify-content:center;align-items:center;display:flex}.week-nav-btn:hover:not(:disabled){color:var(--primary-light);background:#6c5ce726}.week-nav-btn:disabled{opacity:.3;cursor:not-allowed}.week-label{color:var(--text-primary);font-size:.9rem;font-weight:600}.task-list{gap:var(--space-sm);flex-direction:column;display:flex}.task-item{align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-fast);display:flex}.task-item:hover{border-color:var(--border-color)}.task-checkbox{border:2px solid var(--border-color);cursor:pointer;width:22px;height:22px;transition:all var(--transition-fast);color:#0000;background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:.7rem;display:flex}.task-checkbox:hover{border-color:var(--primary)}.task-checkbox.checked{background:var(--gradient-primary);border-color:var(--primary);color:#fff}.task-checkbox.disabled{opacity:.5;cursor:not-allowed}.task-info{flex:1}.task-title{font-size:.9rem;font-weight:600}.task-title.completed{color:var(--text-muted);text-decoration:line-through}.task-desc{color:var(--text-muted);margin-top:2px;font-size:.8rem}.task-actions{gap:var(--space-xs);display:flex}.task-action-btn{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;font-size:.85rem;display:flex}.task-action-btn:hover{color:var(--primary-light);background:#6c5ce71a}.task-action-btn.delete:hover{color:#e74c3c;background:#e74c3c1a}.table-container{border-radius:var(--radius-lg);border:1px solid var(--border-light);-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;color:var(--text-muted);background:var(--bg-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-light);padding:14px 16px;font-size:.8rem;font-weight:600}.data-table td{color:var(--text-primary);border-bottom:1px solid var(--border-light);padding:14px 16px;font-size:.9rem}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#6c5ce708}.exam-cards{gap:var(--space-lg);grid-template-columns:repeat(2,1fr);max-width:700px;margin:0 auto;display:grid}.exam-choice-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:var(--space-3xl)var(--space-xl);text-align:center;cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.exam-choice-card:before{content:"";background:var(--gradient-primary);opacity:0;height:3px;transition:opacity var(--transition-normal);position:absolute;top:0;left:0;right:0}.exam-choice-card:hover{box-shadow:var(--shadow-glow);border-color:#6c5ce74d;transform:translateY(-4px)}.exam-choice-card:hover:before{opacity:1}.exam-choice-card:nth-child(2):before{background:var(--gradient-secondary)}.exam-choice-card:nth-child(2):hover{box-shadow:0 0 20px #00cec94d}.exam-choice-icon{border-radius:var(--radius-lg);width:72px;height:72px;margin:0 auto var(--space-lg);color:var(--primary-light);background:#6c5ce71f;justify-content:center;align-items:center;font-size:2rem;display:flex}.exam-choice-card:nth-child(2) .exam-choice-icon{color:var(--secondary);background:#00cec91f}.exam-choice-card h2{font-size:1.15rem;font-weight:700}.focus-container{flex-direction:column;justify-content:center;align-items:center;min-height:60vh;display:flex}.timer-display{background:var(--gradient-card);border:3px solid var(--border-color);letter-spacing:2px;width:280px;height:280px;margin-bottom:var(--space-xl);box-shadow:var(--shadow-lg);border-radius:50%;justify-content:center;align-items:center;font-size:3.5rem;font-weight:800;display:flex;position:relative}.timer-display:before{content:"";background:conic-gradient(var(--primary)var(--progress,0%),transparent var(--progress,0%));z-index:-1;opacity:.3;border-radius:50%;position:absolute;inset:-6px}.timer-presets{gap:var(--space-sm);margin-bottom:var(--space-xl);display:flex}.timer-preset{border-radius:var(--radius-xl);border:1.5px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:#6c5ce714;padding:8px 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