:root{color-scheme:light dark;--bg: #f7f4ee;--panel: #fffdf8;--field: #ffffff;--text: #27313a;--muted: #667480;--line: #d9d2c5;--topbar: #596772;--yellow: #e8b900;--yellow-dark: #c89f00;--yellow-text: #1e2428;--blue: #2879d7;--blue-dark: #155eb0;--danger: #b94b3f}@media (prefers-color-scheme: dark){:root{--bg: #15191d;--panel: #20262b;--field: #15191d;--text: #eef2f5;--muted: #a7b1b9;--line: #39434b;--topbar: #0f1316;--yellow: #f0c433;--yellow-dark: #d7ad19;--yellow-text: #181c20;--blue: #5ca2f2;--blue-dark: #3d84d8;--danger: #ff8c7d}}*{box-sizing:border-box}html{min-height:100%}body{min-height:100%;margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.5}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh}.topbar{display:flex;align-items:center;height:54px;padding:0 24px;background:var(--topbar);color:#fff}.brand{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:0;background:transparent;cursor:pointer;padding:0}.brand-logo{display:block;width:28px;height:28px;object-fit:contain}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.content{width:min(100% - 32px,680px);margin:0 auto;padding:30px 0 48px}.section-title{margin:0 0 26px;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:14px;font-weight:700;text-transform:uppercase}.panel{border:1px solid var(--line);border-radius:6px;background:var(--panel)}.panel-pad{padding:24px}.field{display:grid;gap:8px}.label{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}.textarea,.input,.select{width:100%;border:1px solid var(--line);border-radius:4px;background:var(--field);color:var(--text)}.textarea{min-height:260px;padding:16px;resize:vertical}.input,.select{height:42px;padding:0 12px}.textarea:focus,.input:focus,.select:focus{border-color:var(--blue);outline:2px solid var(--blue);outline-offset:-2px}.controls{display:grid;grid-template-columns:minmax(120px,1fr) minmax(220px,2fr) auto;gap:16px;align-items:end;margin-top:18px}.button{min-height:42px;border:1px solid transparent;border-radius:4px;padding:0 16px;background:var(--yellow);color:var(--yellow-text);cursor:pointer;font-size:13px;font-weight:700;text-transform:uppercase}.button:hover:not(:disabled){background:var(--yellow-dark)}.button:disabled{cursor:not-allowed;opacity:.55}.button.secondary{background:var(--blue);color:#fff}.button.secondary:hover:not(:disabled){background:var(--blue-dark)}.button.ghost{border-color:var(--line);background:var(--field)}.url-row{display:grid;grid-template-columns:minmax(0,1fr) 88px;margin:18px 0}.url-row .input{min-width:0;border-top-right-radius:0;border-bottom-right-radius:0}.url-row .button{width:88px;border-top-left-radius:0;border-bottom-left-radius:0;padding:0 10px;white-space:nowrap}.message{margin:14px 0 0;color:var(--muted)}.status-title{margin:6px 0 18px;text-align:center;font-size:14px;font-weight:700;text-transform:uppercase}.error{color:var(--danger)}.rules{margin:18px 0 24px;padding-left:20px;color:var(--muted)}.rules li+li{margin-top:6px}.center{display:grid;gap:18px;justify-items:center;padding:32px 24px;text-align:center}.reveal-box{max-height:420px;overflow:auto;white-space:pre-wrap;word-break:break-word}.actions{display:flex;justify-content:flex-end;gap:10px}@media (max-width: 640px){.topbar{padding:0 16px}.content{width:min(100% - 24px,680px);padding-top:22px}.panel-pad{padding:18px}.controls,.url-row{grid-template-columns:1fr}.url-row .input,.url-row .button{border-radius:4px}.url-row .button,.button{width:100%}.actions{display:grid}}