:root{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,sans-serif;--bg: #0b0b0c;--panel: #161618;--panel-2: #202023;--text: #f2f2f3;--text-2: #a0a0a6;--text-3: #6f6f76;--tint: #0099ff;--divider: #2a2a2e;--warn: #d69e2e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.page{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--divider)}.brand{display:flex;align-items:center;gap:8px;font-weight:600}.brand .logo{font-size:18px}.brand .by{color:var(--text-3);font-weight:400;font-size:13px}.main{flex:1;width:100%;max-width:620px;margin:0 auto;padding:40px 24px;display:flex;flex-direction:column;gap:28px}.hero h1{margin:0 0 12px;font-size:28px;line-height:1.2}.hero p{margin:0;color:var(--text-2);line-height:1.6}.hero .disclaimer{margin-top:10px;font-size:12px;color:var(--text-3)}.sign-in-wrap{display:flex;justify-content:center}.card{background:var(--panel);border:1px solid var(--divider);border-radius:16px;padding:24px}.card h2{margin:0 0 8px;font-size:18px}.card-intro{margin:0 0 18px;color:var(--text-2);line-height:1.55;font-size:14px}.field-label{display:block;font-size:12px;font-weight:600;color:var(--text-3);margin-bottom:6px}.url-row{display:flex;gap:8px}input{flex:1;min-width:0;padding:10px 12px;border:1px solid var(--divider);border-radius:10px;background:var(--panel-2);color:var(--text);font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px}button{padding:10px 16px;border:none;border-radius:10px;background:var(--tint);color:#fff;font-weight:600;font-size:13px;cursor:pointer;white-space:nowrap}button:disabled{opacity:.5;cursor:default}button.ghost{background:transparent;border:1px solid var(--divider);color:var(--text-2)}button.danger{background:transparent;border:1px solid rgba(231,76,60,.5);color:#e74c3c}.warn-box{margin:16px 0 0;padding:12px 14px;border:1px solid rgba(214,158,46,.4);border-radius:12px;color:var(--warn);font-size:13px;line-height:1.45}.error{color:#e74c3c;font-size:13px}.instructions{margin-top:20px;border-top:1px solid var(--divider);padding-top:16px}.instructions summary{cursor:pointer;font-weight:600;color:var(--text-2)}.instructions h4{margin:16px 0 6px;font-size:12px;color:var(--text-3);text-transform:uppercase;letter-spacing:.04em}.instructions pre{margin:0;padding:12px;background:var(--panel-2);border-radius:10px;overflow-x:auto;font-size:12px}.instructions code{font-family:ui-monospace,SF Mono,Menlo,monospace}.card-actions{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}.hint{margin:8px 0 0;font-size:12px;color:var(--text-3)}.footer{display:flex;gap:8px;justify-content:center;padding:24px;border-top:1px solid var(--divider);color:var(--text-3);font-size:13px}.footer a{color:var(--text-2);text-decoration:none}