.app{min-height:100vh;background:radial-gradient(circle at 10% 20%,rgba(0,168,255,.08),transparent 25%),radial-gradient(circle at 80% 0%,rgba(255,153,51,.08),transparent 18%),var(--background-primary);color:var(--text-primary)}.app-header{padding:2rem;display:flex;justify-content:space-between;gap:2rem;border-bottom:1px solid var(--border-primary)}.app-header h1{margin-top:.25rem;font-size:1.8rem;color:var(--text-primary)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--accent-primary);font-size:.8rem}.lede{margin-top:.5rem;color:var(--text-secondary);max-width:none;width:100%;line-height:1.6}.status{display:flex;flex-direction:column;gap:.5rem;align-items:flex-end}.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .75rem;border-radius:999px;background:#ffffff0f;color:var(--text-primary);font-size:.85rem;border:1px solid var(--border-primary)}.chip.ghost{color:var(--text-secondary);background:transparent}.chip-good{border-color:#4dff4d66;color:var(--success)}.chip-warn{border-color:#ffc10766;color:#ffc107}.checkout-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:1.5rem;padding:1.5rem 2rem 2.5rem}.panel.wide{grid-column:1 / -1}.panel{background:var(--background-secondary);border:1px solid var(--border-primary);border-radius:14px;padding:1.25rem;box-shadow:0 10px 30px #00000040}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem}.panel h2{margin-top:.25rem}.cart-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem}.hidden-hint{background:var(--background-primary);border:1px dashed var(--border-primary);border-radius:10px;padding:1rem;color:var(--text-secondary);line-height:1.5}.total-row{margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--border-primary);display:flex;justify-content:space-between;align-items:center}.total-label{color:var(--text-secondary);font-size:.9rem}.total-amount{font-size:1.2rem;font-weight:700}.badge{background:#4dff4d1f;color:var(--success);padding:.35rem .75rem;border-radius:999px;border:1px solid rgba(77,255,77,.4);font-weight:600}.form-panel form{display:flex;flex-direction:column;gap:1rem}.field{display:flex;flex-direction:column;gap:.35rem}.field span{font-weight:600}.field small{color:var(--text-secondary)}select,textarea{background:var(--background-primary);color:var(--text-primary);border:1px solid var(--border-primary);border-radius:10px;padding:.75rem;font-size:1rem;transition:border .2s ease,box-shadow .2s ease}select:focus,textarea:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px #00a8ff26}.actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.actions button{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#0e1116;border:none;padding:.75rem 1.5rem;border-radius:12px;font-weight:700;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.actions button:disabled{opacity:.5;cursor:not-allowed}.actions button:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 10px 20px #00a8ff4d}.helper{color:var(--text-secondary);font-size:.85rem}.code-panel .lede.small{font-size:1rem;max-width:none;width:100%;background:#00a8ff14;border:1px solid rgba(0,168,255,.25);padding:.75rem 1rem;border-radius:10px;color:var(--text-primary)}.code-editor{margin-top:.75rem;width:100%;min-height:380px;background:#0f1724;color:#e7f0ff;border:1px solid #203458;border-radius:10px;padding:.75rem;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;font-size:.9rem;resize:vertical;line-height:1.5}.code-editor:focus{outline:2px solid rgba(0,168,255,.35);border-color:#00a8ff}.code-actions{margin-top:.75rem;display:flex;flex-wrap:wrap;align-items:flex-start;gap:.75rem}.code-actions button{background:linear-gradient(135deg,#00a8ff,#007acc);color:#0e1116;border:none;padding:.65rem 1.25rem;border-radius:10px;font-weight:700;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.code-actions button:disabled{opacity:.6;cursor:not-allowed}.code-actions button:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 8px 18px #00a8ff40}.check{font-size:.9rem}.check.pass{color:var(--success)}.check.fail{color:var(--error)}.alert{padding:.85rem 1rem;border-radius:10px;border:1px solid}.alert.error{border-color:#ff4d4d80;background:#ff4d4d1a;color:var(--error)}.alert.success{border-color:#4dff4d66;background:#4dff4d14;color:var(--success)}@media (max-width: 768px){.app-header{flex-direction:column;align-items:flex-start}.status{flex-direction:row;flex-wrap:wrap;align-items:flex-start}}.code-panel.wide{grid-column:1 / -1}.explorer-output{width:100%;margin-top:.5rem;padding:.75rem;border:1px solid var(--border-primary);border-radius:10px;background:var(--background-primary)}.explorer-output pre{margin-top:.35rem;white-space:pre-wrap;word-break:break-word;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;color:var(--text-primary)}.hint-row{align-items:flex-start}:root{--background-primary: #1a1a1a;--background-secondary: #2a2a2a;--background-tertiary: #3a3a3a;--text-primary: #f0f0f0;--text-secondary: #a0a0a0;--accent-primary: #00a8ff;--accent-secondary: #007acc;--border-primary: #444;--error: #ff4d4d;--success: #4dff4d}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background-primary);color:var(--text-primary)}code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}