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.welcome-modal-backdrop{background:#0006}.welcome-modal{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:20px;border:1px solid var(--border-card);box-shadow:var(--card-shadow);padding:2.5rem 2rem 2rem;width:100%;max-width:420px;text-align:center;animation:fadeUp .4s ease}.welcome-modal-title{font-size:1.45rem;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,#38bdf8,#2dd4bf,#67e8f9);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem;line-height:1.3}[data-theme=light] .welcome-modal-title{background:linear-gradient(135deg,var(--accent-1),var(--accent-2),var(--accent-1));background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-modal-subtitle{font-size:.95rem;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:500}.welcome-modal-form{display:flex;flex-direction:column;gap:1rem}.welcome-modal-input{font-family:inherit;font-size:.95rem;font-weight:500;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border-input);border-radius:10px;padding:.7rem 1rem;outline:none;transition:border-color .2s ease,box-shadow .2s ease;width:100%;box-sizing:border-box}.welcome-modal-input::placeholder{color:var(--text-secondary);opacity:.6}.welcome-modal-input:focus{border-color:var(--accent-1);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent-1) 18%,transparent)}[data-theme=light] .welcome-modal-input{background:#0000000a}.welcome-modal-btn{font-family:inherit;font-size:.9rem;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));border:none;border-radius:10px;padding:.75rem 1.5rem;cursor:pointer;transition:opacity .2s ease,transform .15s ease;letter-spacing:.02em}.welcome-modal-btn:hover:not(:disabled){opacity:.88;transform:translateY(-1px)}.welcome-modal-btn:active:not(:disabled){transform:translateY(0)}.welcome-modal-btn:disabled{opacity:.4;cursor:not-allowed}@media(max-width:480px){.welcome-modal{max-width:calc(100vw - 2rem);padding:2rem 1.25rem 1.5rem}.welcome-modal-title{font-size:1.2rem}.welcome-modal-btn,.welcome-modal-input{min-height:44px}}@media(max-width:360px){.welcome-modal{max-width:calc(100vw - 1.5rem);padding:1.5rem 1rem 1.25rem;border-radius:16px}.welcome-modal-title{font-size:1.1rem}}.nav-badge{display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;border-radius:8px;background:#ef4444;color:#fff;font-size:.6rem;font-weight:800;margin-left:.25rem;vertical-align:middle;line-height:1;padding:0 3px;box-shadow:0 1px 4px #ef444473;animation:badgePop .3s ease}@keyframes badgePop{0%{transform:scale(0);opacity:0}70%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}*{margin:0;padding:0;box-sizing:border-box}[data-theme] *,[data-theme] *:before,[data-theme] *:after{transition:background-color .4s ease,border-color .4s ease,color .4s ease,box-shadow .4s ease}html{width:100%;overflow-x:hidden}[data-theme=dark]{--bg-base: #0d0f1e;--bg-card: rgba(255, 255, 255, .08);--bg-card-hover: rgba(255, 255, 255, .13);--bg-input: rgba(255, 255, 255, .07);--bg-input-focus: rgba(255, 255, 255, .11);--bg-nav: rgba(13, 15, 30, .82);--bg-option: #181a30;--border-card: rgba(var(--accent-glow), .2);--border-card-hover: rgba(var(--accent-glow), .38);--border-input: rgba(255, 255, 255, .13);--border-subtle: rgba(var(--accent-glow), .1);--text-heading: #f0f0ff;--text-primary: #dde0f5;--text-secondary: rgba(220, 220, 255, .55);--text-muted: rgba(220, 220, 255, .35);--text-faint: rgba(220, 220, 255, .22);--text-placeholder: rgba(220, 220, 255, .28);--accent-focus: rgba(var(--accent-glow), .55);--accent-focus-ring: rgba(var(--accent-glow), .15);--accent-nav-bg: rgba(var(--accent-glow), .18);--accent-nav-border: rgba(var(--accent-glow), .45);--accent-nav-glow: rgba(var(--accent-glow), .2);--heatmap-empty: rgba(var(--accent-glow), .1);--toggle-border: rgba(var(--accent-glow), .25);--toggle-bg: rgba(var(--accent-glow), .08);--toggle-color: rgba(220, 220, 255, .6);--toggle-hover-bg: rgba(var(--accent-glow), .18);--toggle-hover-color: #ffffff;--delete-hover-bg: rgba(248, 113, 113, .12);--greeting-color: rgba(220, 220, 255, .55);--subtitle-color: rgba(220, 220, 255, .42);--footer-color: rgba(220, 220, 255, .22);--footer-border: rgba(var(--accent-glow), .12);--nav-link-color: rgba(220, 220, 255, .5);--nav-link-hover: rgba(255, 255, 255, .85);--nav-link-hover-bg: rgba(var(--accent-glow), .1);--nav-border: rgba(var(--accent-glow), .18);--badge-math-bg: rgba(99, 102, 241, .25);--badge-math-color: #a5b4fc;--badge-english-bg: rgba(56, 189, 248, .22);--badge-english-color: #7dd3fc;--badge-science-bg: rgba(20, 184, 166, .22);--badge-science-color: #5eead4;--badge-history-bg: rgba(251, 191, 36, .22);--badge-history-color: #fcd34d;--badge-general-bg: rgba(148, 163, 184, .22);--badge-general-color: #94a3b8;--verified-bg: rgba(20, 184, 166, .18);--verified-color: #5eead4;--pending-bg: rgba(245, 158, 11, .18);--pending-color: #fcd34d;--category-bg: rgba(var(--accent-glow), .18);--category-color: color-mix(in srgb, var(--accent-1) 60%, white);--opp-border: var(--accent-1);--card-shadow: 0 4px 24px rgba(var(--accent-glow), .18), 0 1px 4px rgba(0, 0, 0, .4);--card-shadow-hover: 0 8px 32px rgba(var(--accent-glow), .28), 0 2px 8px rgba(0, 0, 0, .5)}[data-theme=light]{--bg-base: #ede9fe;--bg-card: #ffffff;--bg-card-hover: #fafaff;--bg-input: rgba(109, 40, 217, .04);--bg-input-focus: #ffffff;--bg-nav: rgba(255, 255, 255, .92);--bg-option: #ffffff;--border-card: rgba(var(--accent-glow), .12);--border-card-hover: rgba(var(--accent-glow), .22);--border-input: rgba(var(--accent-glow), .18);--border-subtle: rgba(var(--accent-glow), .07);--text-heading: #1e1256;--text-primary: #2d1d6e;--text-secondary: #5b4b8a;--text-muted: #8b7cb3;--text-faint: #c4b5fd;--text-placeholder: #9b8ec4;--accent-focus: rgba(var(--accent-glow), .45);--accent-focus-ring: rgba(var(--accent-glow), .12);--accent-nav-bg: rgba(var(--accent-glow), .08);--accent-nav-border: rgba(var(--accent-glow), .28);--accent-nav-glow: rgba(var(--accent-glow), .1);--heatmap-empty: rgba(var(--accent-glow), .15);--toggle-border: rgba(var(--accent-glow), .2);--toggle-bg: rgba(var(--accent-glow), .06);--toggle-color: #5b4b8a;--toggle-hover-bg: rgba(var(--accent-glow), .12);--toggle-hover-color: #1e1256;--delete-hover-bg: rgba(239, 68, 68, .08);--greeting-color: #5b4b8a;--subtitle-color: #8b7cb3;--footer-color: #9b8ec4;--footer-border: rgba(var(--accent-glow), .1);--nav-link-color: #5b4b8a;--nav-link-hover: #1e1256;--nav-link-hover-bg: rgba(var(--accent-glow), .07);--nav-border: rgba(var(--accent-glow), .12);--badge-math-bg: rgba(99, 102, 241, .12);--badge-math-color: #4f46e5;--badge-english-bg: rgba(14, 165, 233, .12);--badge-english-color: #0284c7;--badge-science-bg: rgba(20, 184, 166, .12);--badge-science-color: #0d9488;--badge-history-bg: rgba(245, 158, 11, .12);--badge-history-color: #d97706;--badge-general-bg: rgba(100, 116, 139, .12);--badge-general-color: #475569;--verified-bg: rgba(20, 184, 166, .12);--verified-color: #0d9488;--pending-bg: rgba(245, 158, 11, .12);--pending-color: #d97706;--category-bg: rgba(var(--accent-glow), .1);--category-color: color-mix(in srgb, var(--accent-1) 80%, black);--opp-border: var(--accent-1);--card-shadow: 0 2px 16px rgba(var(--accent-glow), .1), 0 1px 3px rgba(var(--accent-glow), .06);--card-shadow-hover: 0 6px 28px rgba(var(--accent-glow), .18), 0 2px 6px rgba(var(--accent-glow), .1)}:root{--accent-1: #0ea5e9;--accent-2: #14b8a6;--accent-glow: 14, 165, 233;--accent-bg-dark: #0d1520;--accent-bg-light: #e8f4f8}[data-accent=ocean]{--accent-1: #0ea5e9;--accent-2: #14b8a6;--accent-glow: 14, 165, 233;--accent-bg-dark: #0d1520;--accent-bg-light: #e8f4f8}[data-accent=violet]{--accent-1: #8b5cf6;--accent-2: #a78bfa;--accent-glow: 139, 92, 246;--accent-bg-dark: #110d24;--accent-bg-light: #ede9fe}[data-accent=sunset]{--accent-1: #f97316;--accent-2: #ef4444;--accent-glow: 249, 115, 22;--accent-bg-dark: #1a1008;--accent-bg-light: #fef3e2}[data-accent=rose]{--accent-1: #ec4899;--accent-2: #f43f5e;--accent-glow: 236, 72, 153;--accent-bg-dark: #1a0d18;--accent-bg-light: #fce7f3}[data-accent=emerald]{--accent-1: #10b981;--accent-2: #059669;--accent-glow: 16, 185, 129;--accent-bg-dark: #0a1a14;--accent-bg-light: #e6f7f0}[data-accent=gold]{--accent-1: #eab308;--accent-2: #f59e0b;--accent-glow: 234, 179, 8;--accent-bg-dark: #1a1508;--accent-bg-light: #fef9e7}[data-accent=midnight]{--accent-1: #1e3a5f;--accent-2: #0f172a;--accent-glow: 30, 58, 95;--accent-bg-dark: #0a0f1a;--accent-bg-light: #e2e8f0}[data-accent=lavender]{--accent-1: #c4b5fd;--accent-2: #a78bfa;--accent-glow: 196, 181, 253;--accent-bg-dark: #1a1528;--accent-bg-light: #f5f3ff}[data-accent=cherry]{--accent-1: #e11d48;--accent-2: #be123c;--accent-glow: 225, 29, 72;--accent-bg-dark: #1a0a10;--accent-bg-light: #fff1f2}[data-accent=mint]{--accent-1: #34d399;--accent-2: #6ee7b7;--accent-glow: 52, 211, 153;--accent-bg-dark: #0a1a14;--accent-bg-light: #ecfdf5}[data-accent=coral]{--accent-1: #fb7185;--accent-2: #f97316;--accent-glow: 251, 113, 133;--accent-bg-dark: #1a100c;--accent-bg-light: #fff7ed}[data-accent=arctic]{--accent-1: #22d3ee;--accent-2: #67e8f9;--accent-glow: 34, 211, 238;--accent-bg-dark: #0a171a;--accent-bg-light: #ecfeff}[data-accent=neon]{--accent-1: #a3e635;--accent-2: #22d3ee;--accent-glow: 163, 230, 53;--accent-bg-dark: #0f1a0a;--accent-bg-light: #f7fee7}[data-accent=storm]{--accent-1: #64748b;--accent-2: #475569;--accent-glow: 100, 116, 139;--accent-bg-dark: #0f1218;--accent-bg-light: #f1f5f9}body{font-family:Plus Jakarta Sans,system-ui,-apple-system,sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-base);color:var(--text-primary);transition:background .35s,color .35s;overflow-x:hidden}img,video,canvas,svg{max-width:100%;height:auto}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;width:100%;max-width:100%;overflow-x:hidden}.app-bg{position:fixed;inset:0;z-index:-1;transition:background .4s}.app-bg:after{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");background-repeat:repeat;background-size:256px 256px;pointer-events:none;z-index:1}[data-theme=dark] .app-bg{background:radial-gradient(ellipse at 15% 0%,rgba(var(--accent-glow),.3) 0%,transparent 50%),radial-gradient(ellipse at 85% 100%,rgba(var(--accent-glow),.2) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(var(--accent-glow),.08) 0%,transparent 70%),linear-gradient(155deg,var(--accent-bg-dark) 0%,color-mix(in srgb,var(--accent-bg-dark) 85%,var(--accent-1)) 35%,color-mix(in srgb,var(--accent-bg-dark) 80%,var(--accent-2)) 65%,var(--accent-bg-dark) 100%)}[data-theme=light] .app-bg{background:radial-gradient(ellipse at 10% 0%,rgba(var(--accent-glow),.18) 0%,transparent 50%),radial-gradient(ellipse at 90% 100%,rgba(var(--accent-glow),.12) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(var(--accent-glow),.08) 0%,transparent 70%),linear-gradient(155deg,var(--accent-bg-light) 0%,color-mix(in srgb,var(--accent-bg-light) 92%,white) 40%,color-mix(in srgb,var(--accent-bg-light) 88%,var(--accent-1)) 70%,var(--accent-bg-light) 100%)}[data-theme=light] .app-bg:after{opacity:1;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E")}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#80808033;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#80808059}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes glow-pulse{0%,to{box-shadow:0 0 8px color-mix(in srgb,var(--accent-1) 30%,transparent),0 0 20px color-mix(in srgb,var(--accent-2) 15%,transparent)}50%{box-shadow:0 0 16px color-mix(in srgb,var(--accent-1) 55%,transparent),0 0 36px color-mix(in srgb,var(--accent-2) 28%,transparent)}}.fade-up{animation:fadeUp .5s ease-out both}button:focus-visible,a:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:2px solid var(--accent-1);outline-offset:2px}input:focus-visible,textarea:focus-visible{border-color:var(--accent-1);box-shadow:0 0 0 3px var(--accent-focus-ring)}