:root{--bg:#000;--bg-alt:#0a0f1a;--panel:#0e1624;--border:#1c2637;--accent:#1e7bff;--accent-light:#4fb3ff;--accent-dark:#0a5cff;--text:#f0f4fa;--mute:#7a869a;--green:#22c55e;--amber:#f59e0b;--red:#ef4444;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;--font-mono:"SF Mono",Consolas,"Liberation Mono",monospace;--font-display:"Times New Roman",Times,serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,textarea{font-family:inherit}.bza-header{border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(180deg,#0b1322,#05080f)}.bza-wordmark{font-family:var(--font-display);font-size:28px;font-weight:700;letter-spacing:.08em;color:#fff}.bza-wordmark .accent{color:var(--accent)}.bza-nav{display:flex;gap:4px}.bza-nav a{padding:8px 14px;font-size:13px;color:var(--mute);border-radius:6px;text-transform:uppercase;letter-spacing:.08em;transition:color .15s,background .15s}.bza-nav a:hover{color:var(--text);background:var(--panel)}.bza-nav a.active{background:var(--accent);color:#fff;font-weight:700}.bza-user{font-size:12px;color:var(--mute)}main.bza-main{padding:28px 24px;max-width:1280px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.bza-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,rgba(30,123,255,.08),transparent 40%),radial-gradient(circle at 80% 80%,rgba(79,179,255,.05),transparent 40%),var(--bg)}.bza-login-card{width:100%;max-width:420px;padding:40px 32px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.6)}.bza-login-card h1{font-family:var(--font-display);font-size:32px;letter-spacing:.06em;margin:0 0 8px;color:#fff}.bza-login-card h1 .accent{color:var(--accent)}.bza-login-card p.sub{color:var(--mute);font-size:14px;margin:0 0 28px;line-height:1.5}.bza-login-card label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--mute);margin-bottom:6px}.bza-login-card input{width:100%;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:15px;margin-bottom:16px}.bza-login-card input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(30,123,255,.18)}.bza-btn{display:inline-block;padding:12px 20px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;transition:background .15s}.bza-btn:hover{background:var(--accent-dark)}.bza-btn:disabled{opacity:.5;cursor:not-allowed}.bza-btn--block{display:block;width:100%}.bza-notice{padding:12px 14px;border-radius:8px;font-size:13px;margin:0 0 16px}.bza-notice--success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:var(--green)}.bza-notice--error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:var(--red)}