.arch-neo-wrapper{--bg-white:#ffffff;--border-ink:3px solid #111111;--shadow-solid:5px 5px 0px #111111;--shadow-push:2px 2px 0px #111111;--clr-water:#00b4d8;--clr-obj:#ff9e00;--clr-sink:#9a031e;--clr-float:#06d6a0;--clr-suspend:#ffd166;--clr-bg:#f8f9fa;max-width:800px;margin:0 auto;font-family:system-ui,-apple-system,sans-serif;color:#111;background:var(--clr-bg);padding:20px;border:var(--border-ink);border-radius:16px;box-shadow:8px 8px 0 #111}.arch-neo-wrapper *{box-sizing:border-box}.arch-neo-header{background:var(--clr-water);border:var(--border-ink);box-shadow:var(--shadow-solid);padding:20px;border-radius:12px;text-align:center;margin-bottom:25px;color:#111}.arch-neo-header h2{margin:0 0 10px 0;font-size:1.8rem;font-weight:900;text-transform:uppercase}.arch-neo-header p{margin:0;font-weight:800;font-size:.95rem}.arch-mode-toggle{display:flex;gap:15px;margin-bottom:20px}.radio-mode{flex:1;cursor:pointer}.radio-mode input{display:none}.radio-mode .neo-content{display:block;text-align:center;padding:14px;font-weight:900;border:var(--border-ink);border-radius:12px;background:var(--bg-white);box-shadow:4px 4px 0 #111;transition:all 0.15s;color:#111;font-size:1.05rem}.radio-mode input:checked+.neo-content{background:#111;color:#fff;box-shadow:var(--shadow-push);transform:translate(2px,2px)}.arch-neo-form{display:flex;flex-direction:column;gap:20px}.arch-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.arch-group{display:flex;flex-direction:column;gap:10px}.arch-group label{font-weight:900;font-size:1.05rem;color:#111}.input-with-select{display:flex;flex-wrap:nowrap;align-items:stretch;border:var(--border-ink);border-radius:12px;box-shadow:4px 4px 0 #111;background:#fff;overflow:hidden;width:100%}.input-with-select input{border:none!important;border-radius:0!important;box-shadow:none!important;flex:1;width:100%;min-width:50%;padding:16px 15px!important;font-size:1.3rem!important;font-weight:900;color:#111;outline:none}.input-with-select select{border:none;border-left:3px solid #111;padding:0 15px;font-weight:900;font-size:1.1rem;background:#e9ecef;outline:none;cursor:pointer;color:#111;flex:0 0 auto;width:90px;text-align:center}.input-with-select select:disabled{opacity:1;color:#111;background:#e9ecef}.input-with-select input:focus,.input-with-select select:focus{background:#caf0f8}.checkbox-neo{cursor:pointer;display:block;height:100%}.checkbox-neo input{display:none}.checkbox-neo .chk-content{display:flex;align-items:center;justify-content:center;text-align:center;height:100%;padding:12px;font-weight:800;border:var(--border-ink);border-radius:12px;background:var(--bg-white);box-shadow:4px 4px 0 #111;transition:all 0.1s;font-size:.95rem;color:#111}.checkbox-neo input:checked+.chk-content{background:var(--clr-water);color:#111;box-shadow:var(--shadow-push);transform:translate(2px,2px)}.input-with-quick{display:flex;flex-direction:column;gap:10px}.quick-tags{display:flex;gap:8px;flex-wrap:wrap}.q-tag{padding:4px 12px;border:2px solid #111;border-radius:20px;font-size:.85rem;font-weight:800;cursor:pointer;background:#fff;box-shadow:2px 2px 0 #111;color:#111;transition:transform 0.1s}.q-tag:hover{background:#e9ecef}.q-tag:active{box-shadow:0 0 0 #111;transform:translate(2px,2px)}.arch-radio-grid{display:flex;gap:15px}.arch-radio-grid .radio-neo{flex:1;cursor:pointer}.arch-radio-grid input{display:none}.arch-radio-grid .neo-content{display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;font-weight:800;border:var(--border-ink);border-radius:12px;background:var(--bg-white);box-shadow:4px 4px 0 #111;transition:all 0.1s;font-size:.95rem;color:#111}.arch-radio-grid input:checked+.neo-content{background:#111;color:#fff;box-shadow:var(--shadow-push);transform:translate(2px,2px)}.arch-helper-black{font-size:.95rem;font-weight:800;color:#111;background:#e9ecef;padding:12px 15px;border-radius:8px;border:2px dashed #111;line-height:1.5}.arch-error-alert{background:#ff4d4d;color:#fff;border:var(--border-ink);padding:12px;border-radius:8px;font-weight:800;text-align:center}.arch-neo-btn{padding:18px;font-size:1.2rem;font-weight:900;background:#111;color:#fff;border:var(--border-ink);border-radius:12px;box-shadow:5px 5px 0 var(--clr-water);cursor:pointer;text-transform:uppercase;transition:all 0.1s;margin-top:5px;letter-spacing:1px}.arch-neo-btn:active{box-shadow:2px 2px 0 var(--clr-water);transform:translate(3px,3px)}.arch-neo-result{margin-top:30px;padding-top:25px;border-top:4px dashed #111;display:flex;flex-direction:column;gap:20px}.arch-neo-result.active{display:flex!important;animation:archAnim 0.5s cubic-bezier(.175,.885,.32,1.275) forwards}.arch-result-container{display:flex;flex-direction:column;gap:20px}.arch-card{border:var(--border-ink);box-shadow:var(--shadow-solid);border-radius:12px;padding:25px 20px;text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fff}.arch-card h3{margin:0 0 15px 0;font-size:1.3rem;color:#111;font-weight:900;text-transform:uppercase}.val-text{font-size:3rem;font-weight:900;color:#111;line-height:1;margin-bottom:10px;letter-spacing:1px}.val-text small{font-size:1.2rem;font-weight:900;margin-left:5px}.val-desc{margin:0;font-size:1.05rem;font-weight:800;color:#111}.val-sub{font-size:1.1rem;font-weight:800;color:#333;margin-top:10px;background:#e9ecef;padding:8px 15px;border-radius:8px;border:2px dashed #111}.submerge-bar-wrapper{width:100%;max-width:400px;margin-top:20px;background:#fff;padding:15px;border:2px solid #111;border-radius:12px;box-shadow:3px 3px 0 #111}.submerge-label{font-weight:900;font-size:1rem;color:#111;margin-bottom:8px;text-align:left}.s-bar-bg{width:100%;height:25px;background:#e9ecef;border:2px solid #111;border-radius:20px;overflow:hidden;position:relative}.s-bar-fill{height:100%;background:var(--clr-water);width:0%;transition:width 1s cubic-bezier(.175,.885,.32,1.275)}.arch-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.stat-box{border:var(--border-ink);border-radius:12px;padding:15px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:4px 4px 0 #111;text-align:center}.box-gravity{background:var(--clr-obj)}.box-buoyancy{background:var(--clr-water)}.s-label{font-weight:900;font-size:.95rem;margin-bottom:5px;color:#111}.s-val{font-weight:900;font-size:1.8rem;color:#111}.s-val small{font-size:1rem}.card-pressure{background:var(--clr-water)}.arch-note-black{background:#fff;border:3px solid #111;border-radius:8px;padding:15px;font-size:.95rem;font-weight:800;color:#111;line-height:1.6;text-align:left}.arch-note-black strong{color:#d00000;font-weight:900;text-transform:uppercase}@keyframes archAnim{0%{opacity:0;transform:translateY(20px)}100%{opacity:1;transform:translateY(0)}}@media (max-width:700px){.arch-form-grid,.arch-stats-grid{grid-template-columns:1fr}}