@tailwind base;@tailwind components;@tailwind utilities;body{margin:0;font-family:Inter,sans-serif;color:#333;background:linear-gradient(135deg,#f8e1ff,#d6c8ff);background-image:url(public/bg/studybuddy-background.png);background-size:cover;background-position:center;background-repeat:no-repeat;background-attachment:scroll;overflow-x:hidden;padding-bottom:4rem;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-bottom:calc(4rem + env(safe-area-inset-bottom))}html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}*,*:before,*:after{box-sizing:border-box}img,video{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0;margin:0}button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;background:none;border:none;outline:none;box-shadow:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}button{cursor:pointer}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.2}code{font-family:Source Code Pro,monospace;background-color:#f5f5f5;padding:.2em .4em;border-radius:4px;font-size:.95em}.home-hero{padding:4rem 1.5rem 3rem;text-align:center;background:#fffc;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:1rem;margin:2rem auto;max-width:960px;box-shadow:0 12px 24px #00000014}.hero-heading{font-size:2.25rem;font-weight:800;color:#4f46e5;margin-bottom:1rem}.hero-subtext{font-size:1.125rem;color:#4b5563;max-width:600px;margin:0 auto 1.5rem}.hero-button{display:inline-block;background-color:#8b5cf6;color:#fff;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border-radius:9999px;transition:background .3s ease,transform .2s ease}.hero-button:hover{background-color:#7c3aed;transform:scale(1.05)}.media-row{margin-top:3rem;display:grid;gap:2rem;grid-template-columns:1fr;max-width:960px;padding:0 1.5rem;margin-left:auto;margin-right:auto}@media (min-width: 768px){.media-row{grid-template-columns:1fr 1fr}}.media-video{min-height:200px;border-radius:1rem}.media-screenshots>div{min-height:160px;display:flex;align-items:center;justify-content:center}.benefits-row{margin-top:3rem;display:grid;grid-template-columns:1fr;gap:1.5rem;padding:0 1.5rem;max-width:960px;margin-left:auto;margin-right:auto}@media (min-width: 768px){.benefits-row{grid-template-columns:repeat(3,1fr)}}.benefit-card{background:#f9f9ff;padding:1.5rem;border-radius:1rem;box-shadow:0 4px 12px #0000000f;text-align:center;font-size:.95rem}.benefit-card h3{font-size:1.25rem;margin-bottom:.75rem;color:#4f46e5;font-weight:700}.pricing-grid{margin-top:3rem;display:grid;gap:2rem 1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.card-hover{transition:transform .3s ease,box-shadow .3s ease;position:relative;background-color:#fff;border-radius:1rem}.card-hover:hover{transform:translateY(-5px);box-shadow:0 8px 20px #0000001a}.best-value-ribbon{position:absolute;top:1rem;right:1rem;background-color:#4f46e5;color:#fff;padding:.4rem .8rem;font-size:.75rem;font-weight:700;border-radius:999px;box-shadow:0 4px 8px #00000026}.token-pack-icon{font-size:2rem;margin-bottom:.75rem}button.buy-button{background-color:#4f46e5;color:#fff;padding:.75rem 1.25rem;font-weight:600;border-radius:999px;width:100%;transition:background .3s ease}button.buy-button:hover{background-color:#4338ca}.signup-container{max-width:480px;margin:0 auto;padding:2rem 1.25rem;background:#ffffffe6;border-radius:1rem;box-shadow:0 8px 24px #00000014}.signup-heading{font-size:1.5rem;font-weight:700;color:#4f46e5;margin-bottom:1.5rem;text-align:center}.signup-input{width:100%;padding:.75rem 1rem;border:1px solid #d1d5db;border-radius:.5rem;font-size:1rem;background-color:#fff;transition:border-color .2s ease}.signup-input:focus{border-color:#7c3aed;outline:none;box-shadow:0 0 0 2px #7c3aed33}.signup-button{display:block;width:100%;margin-top:1rem;padding:.75rem;background-color:#8b5cf6;color:#fff;font-weight:600;font-size:1rem;border-radius:.5rem;transition:background-color .3s ease,transform .2s ease}.signup-button:hover{background-color:#7c3aed;transform:scale(1.03)}.minor-notice{font-size:.875rem;color:#b45309;background-color:#fef3c7;border:1px solid #fde68a;border-radius:.5rem;padding:.75rem 1rem;margin-top:1rem}.solver-container{max-width:960px;margin:4rem auto;padding:2rem 1rem;background-color:#fffffff2;border-radius:1rem;box-shadow:0 8px 24px #00000014}.token-balance{text-align:right;font-size:.9rem;color:#4b5563;margin-bottom:.5rem}.solve-button{display:block;width:100%;margin-top:1rem;padding:.75rem;font-size:1rem;font-weight:600;background-color:#8b5cf6;color:#fff;border-radius:.5rem;transition:background .3s ease,transform .2s ease}.solve-button:hover{background-color:#7c3aed;transform:scale(1.03)}.solve-error{background-color:#fee2e2;color:#991b1b;font-weight:500;padding:.75rem 1rem;border:1px solid #fecaca;border-radius:.5rem;margin-top:1rem;text-align:center}.hint-box{margin-top:2rem;padding:1rem 0}.hint-section{border:2px solid #e5e7eb;border-radius:.75rem;padding:1rem;background-color:#f9fafb;margin-bottom:1.25rem;transition:all .3s ease}.section-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer;margin-bottom:.75rem}.section-header h3{font-size:1.125rem;font-weight:700}.hint-section .markdown{text-align:left}.hint-section pre{background:#f3f4f6;padding:.75rem;border-radius:.5rem;overflow-x:auto}.hint-section code{background:#f3f4f6;padding:.25rem .5rem;font-family:Source Code Pro,monospace;border-radius:.25rem}.login-form-container{background:#fffffff2;padding:2rem 1.5rem;border-radius:1rem;box-shadow:0 6px 18px #00000014}.login-input{width:100%;padding:.75rem 1rem;border:1px solid #d1d5db;border-radius:.5rem;font-size:1rem;background-color:#fff;transition:border-color .2s ease}.login-input:focus{border-color:#4f46e5;outline:none;box-shadow:0 0 0 2px #4f46e533}.login-button{width:100%;margin-top:1rem;padding:.75rem;background-color:#4f46e5;color:#fff;font-weight:600;font-size:1rem;border-radius:.5rem;transition:background-color .3s ease,transform .2s ease}.login-button:hover{background-color:#4338ca;transform:scale(1.03)}.login-status{text-align:center;font-size:.875rem;margin-top:.5rem;color:#4b5563}.login-error{color:#b91c1c;background-color:#fee2e2;padding:.75rem 1rem;border:1px solid #fecaca;border-radius:.5rem;font-weight:500;text-align:center;margin-top:1rem}.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background-color:#fffc;border-bottom:1px solid #e5e7eb;box-shadow:0 2px 6px #0000000d;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.nav-inner img{height:2.5rem;max-height:40px}.nav-links{align-items:center;gap:1.5rem;font-weight:600;font-size:1rem}@media (min-width: 768px){.nav-links{display:flex!important;align-items:center;gap:1.5rem}button[aria-label="Toggle Menu"]{display:none!important}}@media (max-width: 767px){.nav-links{display:none!important}}.nav-links a:hover{color:#4f46e5;background-color:#e0e7ff;transform:translateY(-1px)}.signup-container{display:flex;align-items:center;gap:.5rem}.signup-button{background-color:#4f46e5;color:#fff;padding:.5rem 1rem;font-weight:600;border-radius:999px;transition:background-color .3s ease,transform .2s ease;box-shadow:0 2px 4px #4f46e540}.signup-button:hover{background-color:#4338ca;transform:scale(1.05)}.signup-badge{font-size:.75rem;color:#10b981;font-weight:700}.footer-inner{text-align:center;max-width:960px;margin:0 auto;padding:0 1.25rem}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:1rem;font-weight:500;margin-bottom:1rem}.footer-links a{color:#4f46e5;text-decoration:none;transition:color .2s ease}.footer-links a:hover{text-decoration:underline}.footer-contact{font-size:.875rem;color:#4b5563}.footer-copy{font-size:.75rem;color:#9ca3af}.about-container{border:1px solid rgba(79,70,229,.15)}.about-heading{font-family:Inter,sans-serif;letter-spacing:-.02em;position:relative}.about-heading:after{content:"";display:block;width:60px;height:4px;background:linear-gradient(to right,#8b5cf6,#6366f1);margin-top:.5rem;border-radius:999px}.about-lead{font-size:1.15rem;color:#1f2937}.about-list li{background-color:#eef2ff;padding:.5rem .75rem;border-radius:.5rem;font-weight:500;transition:background .3s ease}.about-list li:hover{background-color:#e0e7ff}@media (max-width: 640px){.about-heading{font-size:1.875rem;text-align:center}.about-lead{font-size:1rem;text-align:center}.about-signoff{text-align:center}}.video-preview-section{background:#fefefe;padding:2rem 1rem;border-radius:1rem;margin:2rem auto;max-width:960px;box-shadow:0 4px 16px #0000000d;display:grid;gap:1rem;grid-template-columns:1fr;text-align:center}@media (min-width: 768px){.video-preview-section{grid-template-columns:repeat(3,1fr);text-align:left}}.video-preview-section h3{font-size:1.25rem;font-weight:700;color:#4f46e5}.video-preview-section p{font-size:1rem;color:#4b5563}.video-preview-card{background:#f9f9ff;border-radius:.75rem;padding:1rem;box-shadow:0 2px 6px #0000000a}