:root{--felt-900: #072a1f;--felt-800: #0b3d2e;--felt-700: #0f4d3a;--ink-950: #0a0f14;--ink-900: #0e151d;--ink-850: #121b25;--ink-800: #16212d;--ink-700: #1e2c3a;--line: #24384a;--text: #eaf2ef;--text-dim: #9fb3ac;--text-mute: #6f8079;--gold: #e7c66b;--gold-dim: #b9974a;--accent: #34d399;--accent-dim: #10b981;--danger: #ef4444;--warn: #f59e0b;--info: #38bdf8;--red-suit: #e5484d;--black-suit: #1b1f24;--radius: 14px;--radius-sm: 10px;--shadow-lg: 0 20px 50px rgba(0, 0, 0, .45);--shadow-md: 0 10px 24px rgba(0, 0, 0, .35)}*{box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html,body{margin:0;padding:0;min-height:100vh;background:radial-gradient(1200px 600px at 15% -10%,rgba(52,211,153,.08),transparent 60%),radial-gradient(1000px 700px at 100% 0%,rgba(231,198,107,.06),transparent 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#10b98161}.btn-gold{background:linear-gradient(180deg,var(--gold) 0%,var(--gold-dim) 100%);color:#2a2109;box-shadow:0 8px 20px #e7c66b38}.btn-ghost{background:var(--ink-800);border-color:var(--line);color:var(--text)}.btn-ghost:hover:not(:disabled){background:var(--ink-700);border-color:#33506a}.btn-danger{background:#ef444426;border-color:#ef444466;color:#fda4a4}.btn-block{width:100%}.panel{background:linear-gradient(180deg,var(--ink-850),var(--ink-900));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md)}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:13px;font-weight:600;color:var(--text-dim)}.input{background:var(--ink-950);border:1px solid var(--line);color:var(--text);border-radius:var(--radius-sm);padding:13px 15px;font-size:16px;outline:none;transition:border-color .15s ease,box-shadow .15s ease;width:100%}.input:focus{border-color:var(--accent-dim);box-shadow:0 0 0 3px 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.sub{margin-top:6px;margin-bottom:22px;font-size:15px}.auth-card form{display:flex;flex-direction:column;gap:16px}.auth-card .field+.field{margin-top:2px}.auth-card .btn-primary{margin-top:8px;padding:14px;font-size:16px}.demo-btn{margin-top:12px}.switch{margin-top:20px;text-align:center;font-size:14px}.switch a{color:var(--accent);font-weight:600}.pw-wrap{position:relative}.pw-wrap .input{padding-right:66px}.pw-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:13px;font-weight:600;color:var(--text-dim);padding:6px 8px;border-radius:8px}.pw-toggle:hover{color:var(--text);background:var(--ink-800)}.alert{padding:11px 14px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px}.alert.error{background:#ef44441f;border:1px solid rgba(239,68,68,.4);color:#fca5a5}.alert.info{background:#38bdf81f;border:1px solid rgba(56,189,248,.4);color:#bae6fd}.alert.success{background:#34d3991f;border:1px solid rgba(52,211,153,.4);color:#a7f3d0}@media(max-width:860px){.auth-shell{grid-template-columns:1fr;gap:8px;padding:28px 18px}.auth-brand{text-align:center;padding:10px}.auth-brand .brand-mark{margin:0 auto 16px}.brand-points{display:none}.auth-card{justify-self:stretch}}