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var(--border-subtle);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:99px;align-items:center;gap:5px;padding:4px 10px;font-size:11px;font-weight:600;transition:all .15s;display:inline-flex}.chip:hover{border-color:var(--border-mid);color:var(--text-primary)}.chip.active{border-color:var(--accent-purple);color:var(--accent-purple);background:#8b5cf626;box-shadow:0 0 10px #8b5cf633}.chip.active-cyan{border-color:var(--accent-cyan);color:var(--accent-cyan);background:#06b6d41a}.section-label{letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;font-size:10px;font-weight:700}.op-btn{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;text-align:left;flex-direction:column;align-items:flex-start;gap:2px;min-width:0;padding:8px 10px;font-size:12px;font-weight:600;transition:all 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Mono,monospace;font-size:26px;font-weight:700}.range-slider{appearance:none;background:var(--bg-card);cursor:pointer;border-radius:99px;outline:none;width:100%;height:4px}.range-slider::-webkit-slider-thumb{appearance:none;background:var(--accent-purple);cursor:pointer;border-radius:50%;width:16px;height:16px;transition:box-shadow .2s;box-shadow:0 0 8px #8b5cf680}.range-slider::-webkit-slider-thumb:hover{box-shadow:0 0 14px #8b5cf6cc}.alpha-map-grid{grid-template-columns:repeat(9,1fr);gap:3px;display:grid}.alpha-cell{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:5px;flex-direction:column;justify-content:center;align-items:center;min-height:38px;padding:4px 2px;transition:all .15s;display:flex}.alpha-cell .char{color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600}.alpha-cell .idx{color:var(--text-muted);font-family:JetBrains Mono,monospace;font-size:9px}.alpha-cell.highlighted{border-color:var(--accent-purple);background:#8b5cf633}.alpha-cell.highlighted .idx{color:var(--accent-purple)}.alpha-cell.output-highlighted{border-color:var(--accent-cyan);background:#06b6d41f}.alpha-cell.output-highlighted .idx{color:var(--accent-cyan)}.btn-primary{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--accent-purple), var(--accent-violet));color:#fff;border:none;align-items:center;gap:7px;padding:11px 22px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex;box-shadow:0 4px 16px #8b5cf659}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 22px #8b5cf680}.btn-primary:active{transform:translateY(0)}.btn-secondary{border-radius:var(--radius-md);border:1px solid var(--border-mid);background:var(--bg-card);color:var(--text-primary);align-items:center;gap:7px;padding:11px 22px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.btn-secondary:hover{border-color:var(--accent-purple);background:#8b5cf61a;transform:translateY(-1px)}.btn-ghost{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);color:var(--text-secondary);background:0 0;align-items:center;gap:6px;padding:7px 14px;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.btn-ghost:hover{border-color:var(--border-mid);color:var(--text-primary);background:var(--bg-card)}.result-badge{letter-spacing:.08em;text-transform:uppercase;border-radius:99px;align-items:center;gap:5px;padding:3px 10px;font-size:10px;font-weight:700;display:inline-flex}.badge-encrypted{border:1px solid var(--accent-purple);color:var(--accent-purple);background:#8b5cf626}.badge-decrypted{border:1px solid var(--accent-cyan);color:var(--accent-cyan);background:#06b6d41a}.badge-info{color:var(--accent-lime);background:#a3e63514;border:1px solid #a3e6354d}.badge-warn{border:1px solid var(--accent-amber);color:var(--accent-amber);background:#f59e0b1a}.step-table{border-collapse:collapse;width:100%;font-family:JetBrains Mono,monospace;font-size:12px}.step-table th{text-align:left;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border-subtle);padding:7px 10px;font-size:10px;font-weight:700}.step-table td{color:var(--text-secondary);border-bottom:1px solid #8b5cf612;padding:6px 10px}.step-table tr:hover td{background:#8b5cf60d}.step-table .td-char{color:var(--text-primary);font-weight:600}.step-table .td-idx{color:var(--accent-purple)}.step-table .td-comp{color:var(--text-secondary)}.step-table .td-comp .highlight{color:var(--accent-cyan);font-weight:600}.step-table .td-out{color:var(--accent-cyan);text-align:right;font-weight:700}.step-table .td-pass{color:var(--text-muted);font-style:italic}.formula-box{border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border-mid);color:var(--accent-purple);padding:12px 16px;font-family:JetBrains Mono,monospace;font-size:13px;line-height:1.8}.formula-box .var-x{color:var(--accent-cyan)}.formula-box .var-y{color:var(--accent-lime)}.formula-box .var-t{color:var(--accent-amber)}.input-field{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);outline:none;width:100%;padding:8px 12px;font-size:13px;transition:border-color .2s}.input-field:focus{border-color:var(--accent-purple);box-shadow:0 0 0 2px #8b5cf626}.input-field::placeholder{color:var(--text-muted)}textarea.input-field{resize:vertical;font-family:JetBrains Mono,monospace;line-height:1.6}.gcd-warning{border-radius:var(--radius-sm);color:var(--accent-amber);background:#f59e0b14;border:1px solid #f59e0b4d;align-items:center;gap:6px;padding:8px 12px;font-size:11px;display:flex}.base-tab{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:var(--bg-card);color:var(--text-muted);cursor:pointer;padding:5px 10px;font-size:11px;font-weight:600;transition:all .15s}.base-tab.active{border-color:var(--accent-lime);color:var(--accent-lime);background:#a3e6351a}.base-tab:hover:not(.active){border-color:var(--border-mid);color:var(--text-secondary)}.ciphertext-display{letter-spacing:.04em;color:var(--text-primary);background:var(--bg-input);border-radius:var(--radius-md);border:1px solid var(--border-subtle);word-break:break-all;padding:10px 14px;font-family:JetBrains Mono,monospace;font-size:20px;font-weight:600}.formula-summary{border-radius:var(--radius-md);border:1px solid var(--border-subtle);color:var(--text-secondary);background:#0003;padding:12px 14px;font-family:JetBrains Mono,monospace;font-size:12px;line-height:2}.formula-summary .hl-purple{color:var(--accent-purple);font-weight:600}.formula-summary .hl-cyan{color:var(--accent-cyan)}.formula-summary .hl-lime{color:var(--accent-lime)}.formula-summary .hl-amber{color:var(--accent-amber)}.two-col-grid{grid-template-columns:1fr 1fr}@media (max-width:640px){.two-col-grid{grid-template-columns:1fr!important}.alpha-map-grid{grid-template-columns:repeat(7,1fr)!important}.key-number-display{min-width:56px!important;padding:10px 12px!important;font-size:18px!important}.formula-box{font-size:11px!important}.btn-primary,.btn-secondary{padding:10px 16px!important;font-size:13px!important}.step-table{font-size:11px!important}.step-table th,.step-table td{padding:5px 7px!important}.ciphertext-display{font-size:16px!important}header .chip:last-child{display:none!important}}@media (max-width:420px){.alpha-map-grid{grid-template-columns:repeat(5,1fr)!important}.result-badge{font-size:9px!important}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:.25s forwards fadeInUp}@keyframes pulse-glow{0%,to{box-shadow:0 0 8px #8b5cf64d}50%{box-shadow:0 0 20px #8b5cf6b3}}.pulse-glow{animation:2s ease-in-out infinite pulse-glow}.divider{background:var(--border-subtle);height:1px;margin:12px 0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ease{syntax:"*";inherits:false}