*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .8);--bg-card-hover: rgba(30, 41, 59, .9);--border-color: rgba(99, 102, 241, .2);--border-glow: rgba(99, 102, 241, .4);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-blue: #6366f1;--accent-blue-light: #818cf8;--accent-cyan: #22d3ee;--accent-green: #10b981;--accent-orange: #f59e0b;--accent-red: #ef4444;--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);--gradient-card: linear-gradient(145deg, rgba(17, 24, 39, .9), rgba(30, 41, 59, .6));--gradient-success: linear-gradient(135deg, #059669, #10b981);--gradient-error: linear-gradient(135deg, #dc2626, #ef4444);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 32px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 64px rgba(0, 0, 0, .5);--shadow-glow: 0 0 40px rgba(99, 102, 241, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden}.app{min-height:100vh;position:relative;overflow:hidden}.background-orbs{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0}.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 20s ease-in-out infinite}.orb-1{width:400px;height:400px;background:var(--accent-blue);top:-100px;right:-100px;animation-delay:0s}.orb-2{width:300px;height:300px;background:#8b5cf6;bottom:-50px;left:-50px;animation-delay:-7s}.orb-3{width:250px;height:250px;background:var(--accent-cyan);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-14s}@keyframes float{0%,to{transform:translate(0) scale(1)}25%{transform:translate(30px,-40px) scale(1.1)}50%{transform:translate(-20px,20px) scale(.95)}75%{transform:translate(40px,30px) scale(1.05)}}.gate-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;position:relative;z-index:1}.gate-card{background:var(--gradient-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:48px 40px;width:100%;max-width:420px;text-align:center;box-shadow:var(--shadow-lg),var(--shadow-glow);animation:slideUp .6s cubic-bezier(.16,1,.3,1)}.gate-icon{display:inline-flex;align-items:center;justify-content:center;width:80px;height:80px;background:var(--gradient-primary);border-radius:50%;margin-bottom:24px;color:#fff;box-shadow:0 8px 32px #6366f14d}.gate-title{font-size:1.75rem;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent-blue-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.gate-subtitle{color:var(--text-secondary);font-size:.9rem;margin-bottom:32px}.gate-form{display:flex;flex-direction:column;gap:16px}.gate-input{width:100%;padding:14px 18px;background:#0f172a99;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:inherit;outline:none;transition:var(--transition);text-align:center;letter-spacing:2px}.gate-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #6366f126}.gate-input.input-error{border-color:var(--accent-red);box-shadow:0 0 0 3px #ef444426}.gate-error{color:var(--accent-red);font-size:.85rem;font-weight:500;animation:fadeIn .3s ease}.gate-button{padding:14px 24px;background:var(--gradient-primary);border:none;border-radius:var(--radius-md);color:#fff;font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 16px #6366f14d}.gate-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #6366f166}.gate-button:active:not(:disabled){transform:translateY(0)}.gate-button:disabled{opacity:.7;cursor:not-allowed}.shake{animation:shake .5s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(4px)}30%,50%,70%{transform:translate(-6px)}40%,60%{transform:translate(6px)}}.calc-container{max-width:640px;margin:0 auto;padding:24px 20px 40px;position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;justify-content:center;gap:24px}.calc-card{background:var(--gradient-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:36px 32px;box-shadow:var(--shadow-lg),var(--shadow-glow);animation:slideUp .6s cubic-bezier(.16,1,.3,1)}.calc-header{text-align:center;margin-bottom:32px}.calc-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;background:var(--gradient-primary);border-radius:50%;margin-bottom:16px;color:#fff;box-shadow:0 8px 32px #6366f14d}.calc-title{font-size:1.5rem;font-weight:700;margin-bottom:6px;background:linear-gradient(135deg,var(--text-primary),var(--accent-blue-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.calc-subtitle{color:var(--text-secondary);font-size:.875rem}.calc-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.form-group input{width:100%;padding:14px 18px;background:#0f172a99;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:inherit;outline:none;transition:var(--transition)}.form-group input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #6366f126}.form-group input::placeholder{color:var(--text-muted)}.input-with-unit{position:relative}.input-with-unit input{padding-right:50px}.input-unit{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-weight:600;font-size:.9rem}.calc-error{color:var(--accent-red);font-size:.85rem;font-weight:500;padding:10px 14px;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-sm);animation:fadeIn .3s ease}.calc-button{padding:16px 24px;background:var(--gradient-primary);border:none;border-radius:var(--radius-md);color:#fff;font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 4px 16px #6366f14d;margin-top:4px}.calc-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #6366f166}.calc-button:active:not(:disabled){transform:translateY(0)}.calc-button:disabled{opacity:.7;cursor:not-allowed}.result-card{background:var(--gradient-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-lg),var(--shadow-glow)}.result-title{font-size:1.2rem;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.copy-email-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;background:#6366f11f;border:1px solid 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16px;cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none;transition:var(--transition)}.email-template-header::-webkit-details-marker{display:none}.email-template-header::marker{display:none;content:""}.email-template-header:hover{background:#6366f10f}.email-template-info{display:flex;align-items:center;gap:10px}.email-template-label{font-size:.9rem;font-weight:600;color:var(--text-primary)}.email-template-sublabel{font-size:.75rem;color:var(--text-muted);padding:2px 8px;background:#ffffff0a;border-radius:4px}.email-preview-text{margin:0;padding:16px 20px;background:#0a0e1a80;border-top:1px solid rgba(255,255,255,.04);color:var(--text-secondary);font-family:Inter,sans-serif;font-size:.8rem;line-height:1.7;white-space:pre-wrap;word-break:break-word;overflow-x:auto}.email-preview-text strong{color:var(--text-primary);font-weight:700}.result-address{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:.85rem;margin-bottom:24px;padding:10px 14px;background:#6366f10f;border-radius:var(--radius-sm);border:1px solid rgba(99,102,241,.1)}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.result-item{padding:16px;background:#0f172a80;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.04)}.result-label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.result-value{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.result-detail{font-size:.75rem;color:var(--text-muted);margin-top:4px}.highlight-blue{color:var(--accent-cyan)!important}.highlight-green{color:var(--accent-green)!important}.highlight-orange{color:var(--accent-orange)!important}.result-messages{display:flex;flex-direction:column;gap:12px}.message{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:var(--radius-md);font-size:.9rem;line-height:1.5}.message svg{flex-shrink:0;margin-top:2px}.message p{margin-top:4px;font-size:.85rem;color:var(--text-secondary)}.message-success{background:#10b9811a;border:1px solid rgba(16,185,129,.2);color:var(--accent-green)}.message-error{background:#ef44441a;border:1px solid rgba(239,68,68,.2);color:var(--accent-red)}.message-info{background:#6366f114;border:1px solid rgba(99,102,241,.15);color:var(--accent-blue-light)}.progress-bar-container{height:6px;background:#ffffff14;border-radius:3px;margin-top:10px;overflow:hidden}.progress-bar{height:100%;background:var(--gradient-primary);border-radius:3px;transition:width .8s cubic-bezier(.16,1,.3,1);min-width:4px}.calc-footer{text-align:center;color:var(--text-muted);font-size:.75rem;padding-top:8px}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fade-in{animation:slideUp .5s cubic-bezier(.16,1,.3,1)}@media(max-width:600px){.gate-card{padding:36px 24px;border-radius:var(--radius-lg)}.gate-title{font-size:1.5rem}.calc-container{padding:16px 12px 32px}.calc-card,.result-card{padding:24px 20px;border-radius:var(--radius-lg)}.calc-title{font-size:1.25rem}.result-grid{grid-template-columns:1fr}.result-value{font-size:1.1rem}.orb-1{width:250px;height:250px}.orb-2{width:200px;height:200px}.orb-3{width:150px;height:150px}}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}