:root{--c-primary:#00CEC9;--c-primary-light:#81ECEC;--c-primary-dim:rgba(0,206,201,0.1);--c-accent:#FDCB6E;--c-accent-dim:rgba(253,203,110,0.1);--c-bg:#0A1419;--c-surface:#0F1E24;--c-surface-2:#162A32;--c-border:#1E3A44;--c-text:#E8F4F8;--c-text-dim:#8BBEC8;--c-text-muted:#5A8A94;--c-success:#00CEC9;--c-danger:#E74C3C;--radius:12px;--radius-sm:8px;--radius-xs:6px;--font-sans:'Inter',system-ui,sans-serif;--font-mono:'JetBrains Mono',monospace;--transition:200ms ease;--shadow:0 4px 24px rgba(0,0,0,0.5)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-sans);background:var(--c-bg);color:var(--c-text);line-height:1.6;min-height:100vh;background-image:radial-gradient(ellipse at 30% 0%,rgba(0,206,201,0.04) 0%,transparent 60%)}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:var(--c-border);border-radius:3px}
::selection{background:var(--c-primary-dim);color:var(--c-primary)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
#app-header{position:sticky;top:0;z-index:100;background:rgba(15,30,36,0.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--c-border)}
.header-inner{max-width:1000px;margin:0 auto;padding:0.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.logo-group{display:flex;align-items:center;gap:0.6rem}
.logo-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--c-primary-dim);color:var(--c-primary)}
h1{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-actions select{padding:0.35rem 0.6rem;font-size:0.75rem;font-family:var(--font-sans);color:var(--c-text);background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--radius-xs)}
.btn{display:inline-flex;align-items:center;gap:0.35rem;padding:0.45rem 0.9rem;font-size:0.8125rem;font-weight:500;font-family:var(--font-sans);border:none;border-radius:var(--radius-xs);cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn:disabled{opacity:0.4;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),#00B5AD);color:#0A1419;font-weight:700}
.btn-primary:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--c-text-dim);border:1px solid var(--c-border)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost{background:transparent;color:var(--c-text-dim)}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-text)}
.btn-sm{padding:0.3rem 0.6rem;font-size:0.75rem}
.action-group{display:flex;gap:0.35rem}
#app-main{max-width:1000px;margin:0 auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}
.panel-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:1.25rem}
.panel-card h2{font-size:0.8125rem;font-weight:600;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:0.75rem}
.panel-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.75rem}
.panel-title-row h2{margin-bottom:0}
.hidden{display:none !important}
.code-textarea{width:100%;padding:0.75rem 1rem;font-family:var(--font-mono);font-size:0.8125rem;line-height:1.7;color:var(--c-text);background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--radius-sm);resize:vertical}
.code-textarea:focus{border-color:var(--c-primary);outline:none}
.input-actions{display:flex;justify-content:space-between;align-items:center;margin-top:0.5rem}
.stat-badge{padding:0.2rem 0.5rem;font-size:0.6875rem;font-weight:500;font-family:var(--font-mono);color:var(--c-text-muted);background:var(--c-surface-2);border-radius:var(--radius-xs)}
.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.hex-view{font-family:var(--font-mono);font-size:0.6875rem;line-height:1.8;padding:0.75rem;background:var(--c-surface-2);border-radius:var(--radius-sm);overflow:auto;max-height:350px;word-break:break-all;color:var(--c-text-dim)}
.hex-view .hex-offset{color:var(--c-text-muted);min-width:50px;display:inline-block}
.hex-view .hex-byte{color:var(--c-primary-light)}
.hex-view .hex-ascii{color:var(--c-accent);margin-left:0.5rem}
.code-output{padding:0.75rem 1rem;font-family:var(--font-mono);font-size:0.8125rem;line-height:1.7;color:var(--c-text);background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--radius-sm);overflow-x:auto;white-space:pre;tab-size:2;max-height:350px;overflow-y:auto}
.json-key{color:var(--c-primary-light)}.json-str{color:var(--c-accent)}.json-num{color:#A29BFE}.json-bool{color:#FF7675}
#fields-table-wrap{overflow-x:auto}
.fields-table{width:100%;border-collapse:collapse;font-size:0.75rem}
.fields-table th{text-align:left;padding:0.3rem 0.6rem;color:var(--c-text-muted);font-weight:600;border-bottom:1px solid var(--c-border)}
.fields-table td{padding:0.3rem 0.6rem;border-bottom:1px solid var(--c-surface-2);font-family:var(--font-mono);font-size:0.6875rem}
.wire-badge{display:inline-block;padding:0.1rem 0.3rem;border-radius:3px;font-size:0.5625rem;font-weight:700}
.wire-0{background:rgba(0,206,201,0.15);color:var(--c-primary)}.wire-1{background:rgba(162,155,254,0.15);color:#A29BFE}
.wire-2{background:rgba(253,203,110,0.15);color:var(--c-accent)}.wire-5{background:rgba(255,118,117,0.15);color:#FF7675}
#toast-container{position:fixed;bottom:1.5rem;right:1.5rem;display:flex;flex-direction:column;gap:0.5rem;z-index:1000}
.toast{padding:0.6rem 1rem;font-size:0.8125rem;border-radius:var(--radius-sm);background:var(--c-surface-2);border:1px solid var(--c-border);color:var(--c-text);box-shadow:var(--shadow);animation:fadeIn 250ms ease}
.toast.success{border-left:3px solid var(--c-success)}.toast.error{border-left:3px solid var(--c-danger)}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){.comparison-grid{grid-template-columns:1fr}}