*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #000000;--bg-secondary: #0a0a0a;--bg-card: #0a0a0a;--bg-card-hover: #111111;--bg-input: #111111;--bg-input-focus: #181818;--text-primary: #E2E8F0;--text-secondary: #94A3B8;--text-muted: #64748B;--accent-primary: #ffffff;--accent-secondary: #cccccc;--accent-glow: rgba(255, 255, 255, .1);--accent-gradient: linear-gradient(135deg, #ffffff 0%, #bbbbbb 100%);--success: #ffffff;--success-glow: rgba(255, 255, 255, .1);--warning: #f59e0b;--error: #ef4444;--error-glow: rgba(239, 68, 68, .15);--border: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .2);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-card: 0 10px 40px rgba(0, 0, 0, .8);--shadow-glow: 0 0 40px rgba(255, 255, 255, .03);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}.app-container{min-height:100vh;background:var(--bg-primary)}.page{max-width:600px;margin:0 auto;padding:40px 20px;min-height:100vh;display:flex;flex-direction:column;align-items:center;animation:fadeIn .6s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.header{text-align:center;margin-bottom:12px}.logo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px}.logo-img{height:40px;width:auto}.logo h1{font-size:1.5rem;font-weight:800;color:var(--text-primary);text-transform:uppercase;letter-spacing:.1em}.tagline{color:var(--text-secondary);font-size:.95rem;font-weight:300;letter-spacing:.01em}.card{width:100%;background:var(--bg-card);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-card),var(--shadow-glow);animation:slideUp .5s ease-out .1s both}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.card-header h2{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.badge{font-size:.7rem;font-weight:600;color:var(--accent-primary);background:#6c5ce71f;border:1px solid rgba(108,92,231,.2);padding:4px 10px;border-radius:20px;letter-spacing:.05em;text-transform:uppercase}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.textarea{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;color:var(--text-primary);font-family:var(--font);font-size:.95rem;line-height:1.6;resize:vertical;min-height:140px;transition:border-color .2s,background .2s,box-shadow .2s;outline:none}.textarea:focus{background:var(--bg-input-focus);border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.textarea::placeholder{color:var(--text-muted)}.textarea:disabled{opacity:.5;cursor:not-allowed}.char-count{text-align:right;font-size:.75rem;color:var(--text-muted);margin-top:6px;font-variant-numeric:tabular-nums}.char-count .warn{color:var(--warning);font-weight:600}.ttl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.ttl-btn{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 4px;color:var(--text-secondary);font-family:var(--font);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s}.ttl-btn:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-card-hover)}.ttl-btn.active{border-color:var(--accent-primary);color:var(--bg-primary);background:var(--accent-primary);box-shadow:0 0 15px var(--accent-glow)}.ttl-btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 24px;background:var(--accent-gradient);color:#1e293b;font-family:var(--font);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .25s;position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);opacity:0;transition:opacity .25s}.btn-primary:hover:before{opacity:1}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px #6c5ce759}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.btn-primary.copied{background:var(--success);color:#334155}.btn-icon{font-size:1.1rem}.btn-secondary{display:block;width:100%;padding:12px 24px;margin-top:12px;background:transparent;color:var(--text-secondary);font-family:var(--font);font-size:.9rem;font-weight:500;border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all .2s}.btn-secondary:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-input)}.error-msg{background:var(--error-glow);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);padding:12px 16px;color:var(--error);font-size:.85rem;margin-bottom:16px;animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.security-info{display:flex;justify-content:center;gap:20px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}.info-item{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--text-muted)}.info-icon{font-size:.85rem}.success-view{text-align:center;animation:fadeIn .5s ease-out}.success-icon{font-size:3rem;margin-bottom:16px;animation:pop .5s ease-out}@keyframes pop{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.success-view h2{font-size:1.4rem;font-weight:600;margin-bottom:8px}.success-sub{color:var(--text-secondary);font-size:.9rem;margin-bottom:24px}.link-box{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:20px;word-break:break-all;text-align:left}.link-box code{font-family:SF Mono,Fira Code,monospace;font-size:.78rem;color:var(--accent-secondary);line-height:1.6}.warning-box{display:flex;gap:12px;align-items:flex-start;background:#f59e0b0f;border:1px solid rgba(245,158,11,.15);border-radius:var(--radius-md);padding:16px;margin-top:24px}.warning-icon{font-size:1.2rem;flex-shrink:0;margin-top:2px}.warning-box p{font-size:.8rem;color:var(--text-secondary);line-height:1.5}.status-view,.decrypted-view,.error-view{text-align:center;animation:fadeIn .5s ease-out}.status-view h2,.error-view h2{font-size:1.3rem;font-weight:600;margin-bottom:8px;margin-top:16px}.status-sub{color:var(--text-secondary);font-size:.9rem}.decrypted-header{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:20px}.decrypted-icon{font-size:1.6rem}.decrypted-header h2{font-size:1.3rem;font-weight:600}.destruct-warning{display:flex;align-items:center;justify-content:center;gap:8px;font-size:.8rem;color:var(--error);margin-bottom:20px;font-weight:500}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--error);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.message-display{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin-bottom:24px;text-align:left}.message-display pre{font-family:var(--font);font-size:.95rem;color:var(--text-primary);white-space:pre-wrap;word-break:break-word;line-height:1.7}.error-icon-large{font-size:3rem;margin-bottom:16px;opacity:.8}.error-detail{color:var(--text-secondary);font-size:.9rem;margin-bottom:24px;line-height:1.5}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.spinner.large{width:40px;height:40px;border-width:3px;border-color:#6c5ce733;border-top-color:var(--accent-primary)}@keyframes spin{to{transform:rotate(360deg)}}.footer{margin-top:auto;padding-top:40px;text-align:center;max-width:500px}.footer p{font-size:.75rem;color:var(--text-muted);line-height:1.6}@media(max-width:600px){.page{padding:24px 16px}.card{padding:24px 20px;border-radius:var(--radius-lg)}.ttl-grid{grid-template-columns:repeat(2,1fr)}.security-info{flex-direction:column;align-items:center;gap:10px}.logo h1{font-size:1.5rem}}@media(max-width:480px){.header{padding:1.5rem 1rem}.logo-img{width:100px}.logo h1{font-size:1.3rem}.tagline{font-size:.875rem}}