*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#6366f1;--primary-dark:#4f46e5;--secondary:#10b981;--background:#0f0f23;--surface:#1a1a2e;--surface-light:#252542;--text:#fff;--text-muted:#94a3b8;--border:#2d2d4a;--danger:#ef4444;--warning:#f59e0b}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--background);color:var(--text);min-height:100vh;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:linear-gradient(135deg,var(--surface) 0,var(--surface-light) 100%);padding:20px 0;border-bottom:1px solid var(--border)}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.8rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero{text-align:center;padding:60px 0;background:linear-gradient(180deg,var(--surface) 0,var(--background) 100%)}.hero h1{font-size:2.5rem;margin-bottom:15px;background:linear-gradient(135deg,#fff 0,var(--text-muted) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{color:var(--text-muted);font-size:1.1rem;max-width:600px;margin:0 auto}.email-box{background:var(--surface);border-radius:16px;padding:30px;margin:30px auto;max-width:700px;border:1px solid var(--border);box-shadow:0 10px 40px rgba(0,0,0,.3)}.email-display{background:var(--surface-light);border-radius:12px;padding:20px;display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;border:1px solid var(--border)}.email-address{font-size:1.3rem;font-weight:600;color:var(--secondary);word-break:break-all}.copy-btn{background:var(--primary);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;display:flex;align-items:center;gap:8px}.copy-btn:hover{background:var(--primary-dark);transform:translateY(-2px)}.timer{display:flex;align-items:center;gap:10px;padding:15px;background:rgba(245,158,11,.1);border-radius:10px;border:1px solid rgba(245,158,11,.3);margin-bottom:20px}.timer-icon{font-size:1.5rem}.timer-text{color:var(--warning);font-weight:500}.action-buttons{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:10px;gap:10px}.action-btn{background:var(--surface-light);border:1px solid var(--border);color:var(--text);padding:12px;border-radius:10px;cursor:pointer;font-weight:500;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:6px}.action-btn:hover{background:var(--primary);border-color:var(--primary);transform:translateY(-2px)}.action-btn.danger:hover{background:var(--danger);border-color:var(--danger)}.action-btn svg{width:24px;height:24px}.inbox-section{max-width:900px;margin:40px auto;padding:0 20px}.inbox-header{justify-content:space-between;margin-bottom:20px}.inbox-header,.inbox-header h2{display:flex;align-items:center}.inbox-header h2{font-size:1.5rem;gap:10px}.message-count{background:var(--primary);color:#fff;padding:4px 12px;border-radius:20px;font-size:.9rem}.inbox-list{background:var(--surface);border-radius:16px;border:1px solid var(--border);overflow:hidden}.inbox-empty{text-align:center;padding:60px 20px;color:var(--text-muted)}.inbox-empty svg{width:80px;height:80px;margin-bottom:20px;opacity:.5}.inbox-empty h3{font-size:1.2rem;margin-bottom:10px;color:var(--text)}.message-item{padding:20px;border-bottom:1px solid var(--border);cursor:pointer;transition:all .2s ease}.message-item:hover{background:var(--surface-light)}.message-item:last-child{border-bottom:none}.message-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.message-sender{font-weight:600;color:var(--primary)}.message-time{font-size:.85rem;color:var(--text-muted)}.message-subject{font-weight:500;margin-bottom:5px}.message-preview{color:var(--text-muted);font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-unread{border-left:3px solid var(--secondary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:var(--surface);border-radius:16px;max-width:600px;width:100%;max-height:80vh;overflow-y:auto;border:1px solid var(--border)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:1.2rem}.modal-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.5rem;padding:5px}.modal-close:hover{color:var(--text)}.modal-body{padding:20px}.qr-modal .modal-body{display:flex;flex-direction:column;align-items:center;gap:20px}.qr-code{background:#fff;padding:20px;border-radius:12px}.message-content{line-height:1.8;white-space:pre-wrap}.message-meta{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}.message-meta p{margin-bottom:8px}.message-meta strong{color:var(--text-muted)}.features{padding:80px 0;background:var(--surface)}.features h2{text-align:center;font-size:2rem;margin-bottom:50px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:30px;gap:30px}.feature-card{background:var(--surface-light);border-radius:16px;padding:30px;border:1px solid var(--border);transition:all .3s ease}.feature-card:hover{transform:translateY(-5px);border-color:var(--primary)}.feature-icon{width:50px;height:50px;background:linear-gradient(135deg,var(--primary) 0,var(--secondary) 100%);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.feature-icon svg{width:24px;height:24px;color:#fff}.feature-card h3{font-size:1.2rem;margin-bottom:10px}.feature-card p{color:var(--text-muted)}footer{background:var(--surface);padding:40px 0;text-align:center;border-top:1px solid var(--border)}footer p{color:var(--text-muted)}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.refresh-indicator{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-muted)}.refresh-dot{width:8px;height:8px;background:var(--secondary);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@media (max-width:768px){.hero h1{font-size:1.8rem}.email-display{flex-direction:column;gap:15px;text-align:center}.email-address{font-size:1.1rem}.action-buttons{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:1fr}}