@import "https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&display=swap";:root{--bg-primary:#0f1117;--bg-secondary:#1a1d27;--bg-surface:#22263a;--text-primary:#f0f2f5;--text-secondary:#9ca3af;--accent-blue:#3b82f6;--accent-blue-light:#60a5fa;--accent-mint:#10b981;--accent-mint-light:#34d399;--border:#ffffff14;--border-active:#3b82f666;--radius:12px;--radius-sm:8px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100%;font-family:Inter,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4{font-family:Noto Sans,sans-serif;font-weight:600;line-height:1.2}input,select,textarea,button{font-family:Inter,sans-serif}header{flex-direction:column;justify-content:center;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}#icon-container{justify-content:center;align-items:center;gap:.75rem;display:flex}header svg{filter:drop-shadow(0 10px 24px #3b82f62e);width:54px;height:54px}.header-text{text-align:center;margin:.25rem 0 1.5rem}.header-text h1{letter-spacing:-.02em;color:var(--text-primary);text-shadow:0 2px 18px #60a5fa24;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700}.header-text p{color:var(--text-secondary);max-width:640px;margin-top:.65rem;margin-left:auto;margin-right:auto;font-size:1rem;line-height:1.7}#container{max-width:680px;margin:0 auto;padding:40px 20px 60px}button{cursor:pointer;border-radius:var(--radius-sm);border:none;transition:all .2s}.primary-btn{background-color:var(--accent-blue);color:#fff;margin:0 auto;padding:12px 32px;font-size:1rem;font-weight:600;display:block}.primary-btn:hover{background-color:var(--accent-blue-light);transform:translateY(-2px)}input,select{background-color:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);margin-top:6px;padding:12px 16px;font-size:1rem;transition:border-color .2s}input:focus,select:focus{border-color:var(--border-active);outline:none}input[type=number]{appearance:textfield}input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}label{color:var(--text-secondary);margin-top:20px;font-family:Noto Sans,sans-serif;font-size:.9rem;font-weight:500;display:block}#inputs,#activity{margin-top:24px}fieldset{border:1px solid var(--border);border-radius:var(--radius);background:#ffffff05;padding:24px}legend{color:var(--text-primary);padding:0 8px;font-weight:600}input,select{margin-top:8px}select{background-position:right 14px center;padding-right:42px}.invalid-input-banner{background:#f871711f;border:1px solid #f8717133;border-radius:10px;justify-content:center;align-items:center;margin-top:.7rem;padding:.8rem .9rem;display:flex}.invalid-input-banner span{text-align:center;color:#fda4af;letter-spacing:.01em;width:100%;font-size:.85rem;font-weight:600;display:block}.definitions{flex-wrap:wrap;justify-content:center;gap:12px;margin:24px 0 8px;display:flex}.term-button{background-color:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;box-shadow:inset 0 1px #ffffff0a}.term-button:hover{border-color:var(--border-active);transform:translateY(-1px)}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#040810b8;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-panel{border:1px solid var(--border);width:min(100%,560px);color:var(--text-primary);background:linear-gradient(135deg,#1a1d27f7,#22263af7);border-radius:20px;padding:28px;font-family:Inter,sans-serif;box-shadow:0 24px 80px #00000052}.modal-title{color:var(--text-primary);margin-bottom:.55rem;font-family:Noto Sans,sans-serif;font-size:1.35rem;font-weight:700}.modal-copy{color:var(--text-secondary);font-size:1rem;line-height:1.75}.modal-divider{background:linear-gradient(90deg,#0000,#ffffff2e,#0000);height:1px;margin:1.05rem 0 1.2rem}.modal-actions{justify-content:flex-end;align-items:center;gap:12px;margin-top:24px;display:flex}#submit,.close-button{background-color:var(--accent-blue);color:#fff;justify-content:center;align-items:center;min-width:120px;margin:20px auto;padding:10px 18px;font-weight:600;display:flex}#submit:hover,.close-button:hover{background-color:var(--accent-blue-light)}.result-message{color:var(--text-secondary);background:#ffffff0a;border:1px solid #ffffff14;border-radius:12px;margin-bottom:1rem;padding:.85rem 1rem}.result-message.error{color:#fda4af;background:#f871711f;border-color:#f8717138}.results-list{gap:.8rem;display:grid}.result-item{background:#ffffff0a;border:1px solid #ffffff14;border-radius:12px;padding:.95rem 1rem}.result-item strong{color:var(--text-primary);margin-bottom:.2rem;font-size:.95rem;display:block}.result-item span{color:var(--text-secondary);font-size:.95rem}