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button.error-dismiss{background:none;border:none;color:var(--danger);cursor:pointer;font-size:1.2rem;padding:0;line-height:1;transition:opacity var(--transition-fast)}.error-message button.error-dismiss:hover{opacity:.7}.auth-brand{position:absolute;top:24px;left:50%;transform:translate(-50%);z-index:10;display:flex;align-items:center;gap:8px;color:var(--text-primary);font-weight:700;font-size:1.2rem;letter-spacing:-.02em;opacity:.8}.auth-brand-icon{font-size:1.4rem}@media (max-width: 768px){.container{flex-direction:column;min-height:auto;border-radius:16px;width:95%;max-width:420px}.form-container{position:relative;width:100%;height:auto;padding:32px 24px;opacity:1!important;transform:translate(0)!important}.sign-up-container{display:none}.container.right-panel-active .sign-up-container{display:flex}.container.right-panel-active .sign-in-container,.overlay-container{display:none}.mobile-toggle{display:flex;justify-content:center;padding:16px;gap:8px}.mobile-toggle button{background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-secondary);padding:10px 24px;border-radius:var(--border-radius-full);font-size:.85rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);font-family:inherit}.mobile-toggle button.active{background:var(--gradient-primary);color:#fff;border-color:transparent}}@media (min-width: 769px){.mobile-toggle{display:none}}.dashboard-container{display:grid;grid-template-columns:var(--sidebar-width) 1fr;min-height:100vh;background:var(--bg-primary)}.sidebar{background:var(--gradient-sidebar);border-right:1px solid var(--border-subtle);position:fixed;width:var(--sidebar-width);height:100vh;padding:1.5rem 0;overflow-y:auto;z-index:100;display:flex;flex-direction:column}.sidebar .logo{text-align:center;padding:.5rem 2rem 1.5rem;border-bottom:1px solid var(--border-subtle)}.sidebar .logo h1{font-size:1.35rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em;margin:0}.nav-menu{padding:1rem 0;flex:1}.nav-menu ul{list-style:none;padding:0}.nav-menu li{margin:2px 0}.nav-menu li button.nav-link{display:flex;align-items:center;gap:14px;padding:.85rem 1.5rem;margin:0 .75rem;color:var(--text-secondary);text-decoration:none;transition:all var(--transition);font-weight:500;font-size:.9rem;background:none;border:none;width:calc(100% - 1.5rem);text-align:left;cursor:pointer;border-radius:var(--border-radius-sm);font-family:inherit}.nav-menu li button.nav-link:hover{background:var(--bg-glass-hover);color:var(--text-primary);transform:translate(4px)}.nav-menu li button.nav-link svg{width:1.1rem;text-align:center;opacity:.7;transition:opacity var(--transition-fast)}.nav-menu li.active button.nav-link{background:var(--accent-subtle);color:var(--accent-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--accent-primary)}.nav-menu li.active button.nav-link svg{opacity:1;color:var(--accent-primary)}.mobile-menu-toggle{position:fixed;top:16px;left:16px;z-index:200;background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);color:var(--text-primary);width:44px;height:44px;border-radius:var(--border-radius-sm);cursor:pointer;font-size:1.2rem;display:none;align-items:center;justify-content:center;transition:all var(--transition-fast);font-family:inherit}.main-content{grid-column:2;padding:2rem 2.5rem;background:var(--bg-primary);min-height:100vh;margin-left:var(--sidebar-width)}.top-bar{display:flex;justify-content:flex-end;margin-bottom:2rem;animation:fadeIn .5s var(--ease-out)}.user-profile{display:flex;align-items:center;gap:12px;background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);padding:8px 16px;border-radius:var(--border-radius-full);transition:all var(--transition)}.user-profile:hover{border-color:var(--border-medium);background:var(--bg-glass-hover)}.user-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--accent-primary);box-shadow:0 0 12px rgba(var(--accent-primary-rgb),.2)}.user-name{font-weight:600;font-size:.9rem;color:var(--text-primary)}.btn-logout{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(248,113,113,.2);padding:6px 16px;border-radius:var(--border-radius-full);font-size:.8rem;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:inherit}.btn-logout:hover{background:#f8717133;transform:translateY(-1px)}.content-area{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.5rem}.section{background:var(--gradient-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--border-radius-lg);padding:1.8rem;box-shadow:var(--shadow-card);transition:all var(--transition);animation:fadeInUp .5s var(--ease-out) both}.section:nth-child(1){animation-delay:0ms}.section:nth-child(2){animation-delay:80ms}.section:nth-child(3){animation-delay:.16s}.section:nth-child(4){animation-delay:.24s}.section:nth-child(5){animation-delay:.32s}.section:nth-child(6){animation-delay:.4s}.section:nth-child(7){animation-delay:.48s}.section:nth-child(8){animation-delay:.56s}.section:hover{border-color:var(--border-medium);transform:translateY(-3px);box-shadow:var(--shadow-lg)}.section-header{margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:center}.section-title{color:var(--text-primary);font-size:1.15rem;font-weight:700;position:relative;padding-bottom:8px;margin:0}.section-title:after{content:"";position:absolute;bottom:0;left:0;width:40px;height:3px;background:var(--gradient-primary);border-radius:2px}.welcome-section{grid-column:1 / -1;background:linear-gradient(135deg,#3880871a,#4a9da40d);border-color:#38808726}.welcome-section h2.section-title{font-size:1.6rem;color:var(--text-primary)}.welcome-section h2.section-title:after{width:60px}.welcome-section p{color:var(--text-secondary);font-size:1rem;margin:0}.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-top:1.5rem}.stat-card{background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--border-radius);padding:1.2rem;display:flex;flex-direction:column;gap:6px;transition:all var(--transition)}.stat-card:hover{border-color:var(--border-medium);transform:translateY(-2px)}.stat-card-icon{font-size:1.5rem;margin-bottom:4px}.stat-card-value{font-size:1.6rem;font-weight:800;color:var(--text-primary);font-family:JetBrains 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th:first-child{border-radius:var(--border-radius-sm) 0 0 0}.marks-table th:last-child{border-radius:0 var(--border-radius-sm) 0 0}.marks-table td{color:var(--text-primary);font-size:.9rem}.marks-table tr:hover td{background:var(--bg-glass)}.empty-state{text-align:center;padding:2.5rem 1.5rem;color:var(--text-muted);background:var(--bg-glass);border-radius:var(--border-radius);border:1px dashed var(--border-subtle)}.empty-state p{color:var(--text-muted);font-size:.9rem}.alert{padding:12px 16px;border-radius:var(--border-radius-sm);margin-bottom:1rem;font-size:.9rem;grid-column:1 / -1}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(248,113,113,.2)}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1rem;color:var(--text-secondary);background:var(--bg-primary);gap:12px}.loading:before{content:"";width:20px;height:20px;border:2px solid var(--border-medium);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}.error{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;gap:16px;color:var(--text-secondary);background:var(--bg-primary)}.error button{background:var(--gradient-primary);color:#fff;border:none;padding:10px 24px;border-radius:var(--border-radius-sm);cursor:pointer;font-family:inherit;font-weight:600}@media (max-width: 1200px){.content-area{grid-template-columns:1fr}.stat-cards{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.dashboard-container{grid-template-columns:1fr}.sidebar{position:fixed;transform:translate(-100%);transition:transform var(--transition);z-index:150;box-shadow:var(--shadow-lg)}.sidebar.open{transform:translate(0)}.mobile-menu-toggle{display:flex}.main-content{grid-column:1;padding:4.5rem 1.5rem 1.5rem;margin-left:0}.form-grid{grid-template-columns:1fr}.task-item{grid-template-columns:1fr;gap:12px}.task-actions{justify-content:flex-end}.stat-cards{grid-template-columns:repeat(2,1fr)}.stat-card-value{font-size:1.3rem}}@media (max-width: 480px){.stat-cards{grid-template-columns:1fr}.main-content{padding:4.5rem 1rem 1rem}}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:140;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.sidebar-overlay.visible{display:block}.pomodoro-timer{background:var(--bg-glass);border:1px solid var(--border-subtle);padding:2rem;border-radius:var(--border-radius-lg);text-align:center;transition:all var(--transition);position:relative;overflow:hidden}.timer-modes{display:flex;justify-content:center;gap:8px;margin-bottom:2rem;flex-wrap:wrap}.timer-modes button{background:var(--bg-input);border:1px solid var(--border-subtle);padding:8px 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Mono,monospace;color:var(--text-primary);line-height:1}.timer-mode-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-top:6px;font-weight:600}.timer-controls{display:flex;justify-content:center;gap:12px;margin:1.5rem 0 1rem}.timer-controls button{background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-primary);padding:10px 24px;border-radius:var(--border-radius-full);font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all var(--transition);font-size:.85rem;font-family:inherit}.timer-controls button:hover{background:var(--bg-glass-hover);border-color:var(--border-medium);transform:translateY(-2px)}.timer-controls button:first-child{background:var(--gradient-primary);border-color:transparent;color:#fff;box-shadow:0 4px 15px rgba(var(--accent-primary-rgb),.3)}.timer-controls button:first-child:hover{box-shadow:0 6px 20px 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4px 24px rgba(0, 0, 0, .25), inset 0 1px 0 rgba(255, 255, 255, .05);--sidebar-width: 280px;--border-radius-sm: 8px;--border-radius: 12px;--border-radius-lg: 16px;--border-radius-xl: 24px;--border-radius-full: 9999px;--ease-out: cubic-bezier(.25, .8, .25, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--transition-fast: .15s var(--ease-out);--transition: .3s var(--ease-out);--transition-slow: .5s var(--ease-out);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;font-weight:400;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;min-width:320px;background-color:var(--bg-primary);color:var(--text-primary);overflow-x:hidden}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:2rem}h2{font-size:1.6rem}h3{font-size:1.25rem}h4{font-size:1.1rem}p{color:var(--text-secondary);line-height:1.7}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-secondary)}::selection{background-color:#3880874d;color:#fff}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}*{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.15) transparent}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.glass-card{background:var(--gradient-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--border-radius);box-shadow:var(--shadow-card)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px #38808733}50%{box-shadow:0 0 20px #38808766}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){h1{font-size:1.6rem}h2{font-size:1.3rem}h3{font-size:1.1rem}}