:root{--bg1:#0b0d12;--bg2:#141927;--bg3:#1a2234;--panel:rgba(24,28,37,.96);--panel2:#202634;--text:#eceff4;--muted:#b8c0d0;--accent:#ffb86c;--border:#2d3546}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:linear-gradient(180deg,var(--bg1) 0%,var(--bg2) 50%,var(--bg3) 100%);min-height:100vh}
a{color:var(--accent);text-decoration:none} .topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;border-bottom:1px solid var(--border);background:rgba(10,12,18,.7);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}
.brand a{color:var(--text);font-weight:700;font-size:22px}.toplinks a{margin-left:14px;color:var(--text)} .container{max-width:1180px;margin:0 auto;padding:28px}.with-bottom-nav{padding-bottom:96px}
.hero,.card{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:22px}.hero{margin-top:28px}.hero h1{font-size:46px;margin:0 0 12px 0}.hero p{font-size:20px;color:var(--muted);line-height:1.5;max-width:820px}
.cta-row,.oauth-row,.link-row,.cta-stack{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}.btn{display:inline-block;background:var(--accent);color:#111;font-weight:700;padding:11px 18px;border-radius:12px;border:none;cursor:pointer}.btn.secondary{background:var(--panel2);color:var(--text)}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));margin-top:18px}.form{display:flex;flex-direction:column;gap:10px}.auth-shell{max-width:620px;margin:48px auto 0 auto}
input[type=text],input[type=password],input[type=email],input[type=file]{padding:12px;border-radius:10px;border:1px solid var(--border);background:#0f1320;color:var(--text)}
.flash{padding:12px 14px;border-radius:10px;margin-bottom:16px}.flash.error{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.4)}.flash.success{background:rgba(110,231,168,.12);border:1px solid rgba(110,231,168,.4)}
.muted{color:var(--muted);font-size:14px}.chat-bubble{padding:14px 16px;border-radius:14px;background:#0f1320;border:1px solid var(--border);margin-bottom:16px}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;width:min(760px,calc(100% - 24px));display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:10px;background:rgba(18,22,32,.92);border:1px solid var(--border);border-radius:18px;backdrop-filter:blur(10px);z-index:15}
.bottom-nav a{display:flex;justify-content:center;align-items:center;padding:12px 10px;border-radius:12px;color:var(--muted);font-weight:700}.bottom-nav a.active{background:var(--panel2);color:var(--accent)}
code{display:block;padding:12px;border-radius:12px;background:#0f1320;border:1px solid var(--border);overflow:auto}