@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-color:#fafafa;--panel-bg:#fff;--text-primary:#111827;--text-secondary:#6b7280;--text-inverse:#fff;--text-inverse-muted:#9ca3af;--accent-primary:#6366f1;--accent-primary-hover:#4f46e5;--accent-secondary:#10b981;--accent-secondary-hover:#059669;--header-bg:#0b1121;--footer-bg:#0b1121;--border-color:#e5e7eb;--input-bg:#fff;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-premium:0 20px 25px -5px #0000000d, 0 10px 10px -5px #00000005;--error-color:#dc2626;--success-color:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-primary);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;display:flex;overflow-x:hidden}h1,h2,h3{letter-spacing:-.02em;font-weight:600;line-height:1.2}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--accent-primary)}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s}.btn-primary{background-color:var(--accent-primary);color:#fff;box-shadow:var(--shadow-sm);border-radius:8px;padding:.875rem 1.5rem;font-size:1rem;font-weight:500}.btn-primary:hover:not(:disabled){background-color:var(--accent-primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);background-color:#fff;border-radius:8px;padding:.875rem 1.5rem;font-weight:500}.btn-secondary:hover:not(:disabled){background-color:#f9fafb}.classic-panel{background-color:var(--panel-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-premium);border-radius:16px}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:.75rem;display:flex;position:fixed;top:80px;right:20px}.toast{pointer-events:all;background:#fff;border-left:4px solid;border-radius:12px;align-items:center;gap:.75rem;min-width:300px;max-width:420px;padding:1rem 1.25rem;animation:.35s cubic-bezier(.16,1,.3,1) toastSlideIn;display:flex;position:relative;overflow:hidden;box-shadow:0 8px 32px #0000001f,0 2px 8px #0000000f}.toast-success{border-left-color:var(--success-color,#10b981)}.toast-success .toast-icon{color:var(--success-color,#10b981)}.toast-success .toast-timer{background-color:var(--success-color,#10b981)}.toast-error{border-left-color:var(--error-color,#dc2626)}.toast-error .toast-icon{color:var(--error-color,#dc2626)}.toast-error .toast-timer{background-color:var(--error-color,#dc2626)}.toast-warning{border-left-color:#f59e0b}.toast-warning .toast-icon{color:#f59e0b}.toast-warning .toast-timer{background-color:#f59e0b}.toast-info{border-left-color:var(--accent-primary,#6366f1)}.toast-info .toast-icon{color:var(--accent-primary,#6366f1)}.toast-info .toast-timer{background-color:var(--accent-primary,#6366f1)}.toast-icon{flex-shrink:0;display:flex}.toast-message{color:var(--text-primary,#111827);flex:1;margin:0;font-size:.9rem;font-weight:500;line-height:1.4}.toast-close{cursor:pointer;color:var(--text-secondary,#6b7280);background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:4px;transition:background-color .15s;display:flex}.toast-close:hover{background-color:#f3f4f6}.toast-timer{opacity:.6;width:100%;height:3px;animation:4s linear forwards toastTimer;position:absolute;bottom:0;left:0}@keyframes toastSlideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes toastTimer{0%{width:100%}to{width:0%}}@media (width<=600px){.toast-container{inset:auto 10px 20px}.toast{min-width:unset;max-width:unset}}.reference-card{background-color:var(--panel-bg);box-shadow:var(--shadow-md);border-radius:16px;flex-direction:column;flex:1;padding:2rem;display:flex}.card-header{text-align:center;flex-direction:column;align-items:center;margin-bottom:2rem;display:flex}.card-icon{border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:1rem;display:flex}.sender-icon{color:var(--accent-primary);background-color:#6366f11a}.card-title-group h3{color:var(--text-primary);margin:0 0 .25rem;font-size:1.25rem;font-weight:600}.card-title-group p{color:var(--text-secondary);margin:0;font-size:.9rem}.card-body{flex-direction:column;flex:1;display:flex}.drop-zone{background-color:#fcfcfd;border:2px dashed #6366f14d;border-radius:12px;flex-direction:column;flex:1;justify-content:center;align-items:center;min-height:200px;padding:2rem;transition:all .2s;display:flex}.drop-zone:hover,.drop-zone.dragging{border-color:var(--accent-primary);background-color:#6366f105}.drop-icon{color:var(--accent-primary);margin-bottom:1rem}.drop-title{color:var(--text-primary);margin-bottom:.5rem;font-size:1rem;font-weight:600}.drop-or{color:var(--text-inverse-muted);margin-bottom:1rem;font-size:.85rem}.card-tags{justify-content:center;gap:1rem;margin-top:1.5rem;display:flex}.card-tag{color:var(--text-secondary);background-color:#f3f4f6cc;border-radius:6px;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.75rem;font-weight:500;display:inline-flex}.file-ready-state{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;display:flex}.file-list-container{border:1px solid var(--border-color);background-color:var(--input-bg);border-radius:8px;width:100%;max-height:200px;margin-bottom:1.5rem;overflow-y:auto}.file-list-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:.75rem 1rem;font-size:.85rem;display:flex}.file-list-item:last-child{border-bottom:none}.file-name{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;max-width:70%;overflow:hidden}.w-full{width:100%}.mt-4{margin-top:1rem}.code-display-area{flex-direction:column;align-items:center;width:100%;display:flex}.code-label{color:var(--text-secondary);margin-bottom:1rem;font-size:.9rem;font-weight:500}.code-box{gap:.5rem;margin-bottom:1.5rem;display:flex}.code-char{color:var(--text-primary);background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;justify-content:center;align-items:center;width:3.5rem;height:4.5rem;font-size:2rem;font-weight:700;display:flex}.timer-box{color:var(--text-secondary);align-items:center;gap:.5rem;font-size:.9rem;font-weight:500;display:flex}@media (width<=600px){.reference-card{padding:1.5rem}.code-box{gap:.25rem}.code-char{width:2.5rem;height:3.5rem;font-size:1.5rem}.drop-zone{min-height:180px;padding:1rem}.code-actions{flex-direction:column;align-items:center}}.receiver-icon{color:var(--accent-secondary);background-color:#10b9811a}.receive-code-box{background-color:#fcfcfd;border:1px solid #0000000d;border-radius:12px;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:3rem 2rem;display:flex}.receive-instruction{color:var(--text-primary);margin-bottom:1.5rem;font-size:.95rem;font-weight:500}.digit-inputs{justify-content:center;gap:.75rem;margin-bottom:2rem;display:flex}.digit-input{text-align:center;border:1px solid var(--border-color);width:3.5rem;height:4.5rem;color:var(--text-primary);box-shadow:var(--shadow-sm);background-color:#fff;border-radius:8px;font-size:2rem;font-weight:700;transition:all .2s}.digit-input:focus{border-color:var(--accent-secondary);outline:none;box-shadow:0 0 0 3px #10b98126}.btn-success{background-color:var(--accent-secondary);color:#fff;box-shadow:var(--shadow-sm);cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;width:100%;max-width:300px;padding:.875rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.btn-success:hover:not(:disabled){background-color:var(--accent-secondary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-success:disabled{opacity:.6;cursor:not-allowed}.spinner{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=600px){.receive-code-box{padding:2rem 1rem}.digit-inputs{gap:.25rem}.digit-input{width:2.5rem;height:3.5rem;font-size:1.5rem}}.home-page-container{flex-direction:column;align-items:center;width:100%;padding:4rem 1.5rem;display:flex;position:relative;overflow:hidden}.hero-bg-accent{z-index:-1;pointer-events:none;background-image:radial-gradient(circle at 15% 30%,#6366f10d 0%,#0000 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var(--border-color);margin:3rem 0}.faq-item{border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1.5rem}.faq-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.faq-question{color:var(--text-primary);align-items:flex-start;gap:.75rem;margin-bottom:.75rem;font-size:1.2rem;font-weight:600;display:flex}.faq-icon{color:var(--accent-secondary);flex-shrink:0;margin-top:.2rem}.faq-answer{color:var(--text-secondary);line-height:1.6}@media (width<=768px){.text-layout-container{padding:2rem 1rem 4rem}.text-layout-title{font-size:2.5rem}.text-layout-content{border-radius:16px;padding:2rem}}.animated-bg-container{z-index:-1;pointer-events:none;background-color:var(--bg-color);width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.bg-grid{z-index:1;background-image:radial-gradient(#00000014 1px,#0000 1px);background-size:32px 32px;width:100%;height:100%;position:absolute;top:0;left:0}.bg-orb{filter:blur(40px);z-index:0;border-radius:50%;animation:15s ease-in-out infinite alternate float;position:absolute}.orb-1{background:radial-gradient(circle,#6366f1b3 0%,#6366f100 70%);width:600px;height:600px;animation-duration:12s;animation-delay:0s;top:-10%;left:-10%}.orb-2{background:radial-gradient(circle,#10b98199 0%,#10b98100 70%);width:500px;height:500px;animation-duration:15s;animation-delay:-3s;bottom:0%;right:-5%}.orb-3{background:radial-gradient(circle,#8b5cf680 0%,#8b5cf600 70%);width:400px;height:400px;animation-duration:10s;animation-delay:-6s;top:40%;left:50%;transform:translate(-50%,-50%)}@keyframes float{0%{transform:translate(0)scale(1)}33%{transform:translate(15vw,15vh)scale(1.2)}66%{transform:translate(-10vw,20vh)scale(.8)}to{transform:translate(5vw,-15vh)scale(1.1)}}@media (width<=768px){.bg-orb{filter:blur(30px)}.orb-1{width:400px;height:400px}.orb-2{width:350px;height:350px}.orb-3{width:300px;height:300px}}.app-container{flex-direction:column;width:100vw;min-height:100vh;display:flex}.app-header{background-color:var(--header-bg);color:#fff;justify-content:space-between;align-items:center;padding:1.25rem 3rem;display:flex}.logo-container{align-items:center;gap:.75rem;display:flex}.logo-text{color:#fff;margin:0;font-size:1.25rem;font-weight:600}.nav-links{gap:2.5rem;display:flex}.nav-links a{color:#fffc;font-size:.95rem;font-weight:500;transition:color .2s}.nav-links a:hover{color:#fff}.header-actions{align-items:center;display:flex}.btn-ghost{color:#fff;border:1px solid #fff3;border-radius:6px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.85rem;font-weight:500;text-decoration:none;transition:background-color .2s;display:flex}.btn-ghost:hover{background-color:#ffffff1a}.app-main{flex-direction:column;flex:1;align-items:center;width:100%;padding:0;display:flex}.app-footer{background-color:var(--footer-bg);color:#fffc;margin-top:auto;padding:4rem 3rem 2rem;font-size:.9rem}.footer-content{border-bottom:1px solid #ffffff1a;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;max-width:1200px;margin:0 auto;padding-bottom:3rem;display:grid}.footer-brand p{color:#fff9;margin-bottom:1.5rem;font-size:.9rem;line-height:1.6}.footer-socials{gap:1rem;display:flex}.footer-socials a{color:#fff;background-color:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:background-color .2s;display:flex}.footer-socials a:hover{background-color:#fff3}.footer-links-group h3,.footer-built-with h3{color:#fff;margin-bottom:1.5rem;font-size:1rem;font-weight:600}.footer-links-group{flex-direction:column;gap:1rem;display:flex}.footer-links-group a{color:#fff9;transition:color .2s}.footer-links-group a:hover{color:#fff}.footer-built-with p{color:#fff9;margin-bottom:1rem;line-height:1.6}.made-with{color:#fff;background-color:#ffffff1a;border:1px solid #fff3;border-radius:16px;align-items:center;padding:.35rem .75rem;font-size:.75rem;display:inline-flex}.footer-bottom{color:#ffffff80;justify-content:space-between;max-width:1200px;margin:0 auto;padding-top:2rem;font-size:.85rem;display:flex}@media (width<=900px){.app-header{padding:1rem 1.5rem}.nav-links{display:none}.footer-content{grid-template-columns:1fr;gap:2.5rem}.footer-bottom{text-align:center;flex-direction:column;align-items:center;gap:1rem}}