.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:#0d0f22;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.app-brand{font-size:1.2rem;font-weight:800;color:var(--cyan);letter-spacing:.5px}.app-user{font-size:.85rem;color:var(--muted)}.btn-logout{background:none;border:none;color:var(--cyan);font-size:.85rem;cursor:pointer;padding:0;text-decoration:underline}.app-main{max-width:860px;margin:0 auto;padding:28px 20px 60px}.tab-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.tab-btn{background:var(--card);border:1px solid var(--border);color:var(--muted);padding:8px 16px;border-radius:8px;font-size:.85rem;transition:all .2s}.tab-btn:hover{color:var(--cyan);border-color:var(--cyan-dim)}.tab-btn.active{background:var(--cyan);color:#000;border-color:var(--cyan);font-weight:700}.tab-content{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.tab-title{font-size:1.1rem;color:var(--cyan);margin-bottom:16px}.capability-desc{background:#0a0e1e;border:1px solid var(--border);border-radius:6px;padding:12px 16px;font-size:.88rem;color:var(--muted);line-height:1.6;margin-bottom:16px}.capability-desc strong{color:var(--white)}.error-banner{background:#2a0a14;border:1px solid var(--red);color:var(--red);padding:10px 14px;border-radius:6px;font-size:.88rem;margin-top:12px}.login-page{position:relative;display:flex;align-items:center;justify-content:center;min-height:100vh;overflow:hidden;background-image:url(/banner.webp);background-size:cover;background-position:center}.login-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(to bottom,#0a0c1a73,#0a0c1a99);background-size:28px 28px,100% 100%;pointer-events:none}.login-card{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:56px 48px;background:#111428b8;border:1px solid rgba(30,36,96,.8);border-radius:18px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 8px 48px #00000073,0 0 0 1px #ffffff08}.login-icon{font-size:3.6rem;line-height:1;margin-bottom:4px;filter:drop-shadow(0 0 18px rgba(120,60,220,.4))}.login-title{font-size:1.75rem;font-weight:800;color:var(--white);letter-spacing:.02em;margin:0;text-align:center}.login-subtitle{font-size:.9rem;color:var(--muted);margin:0 0 12px;letter-spacing:.04em;text-transform:uppercase;font-size:.75rem}.login-btn{margin-top:8px;background:var(--cyan);color:#000;padding:12px 32px;border-radius:8px;font-weight:700;text-decoration:none;font-size:.95rem;transition:opacity .15s,box-shadow .15s;box-shadow:0 0 20px #00dcff33}.login-btn:hover{opacity:.88;box-shadow:0 0 28px #00dcff59}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0c1a;--card: #111428;--border: #1e2460;--cyan: #00dcff;--cyan-dim: #007a90;--yellow: #ffd700;--white: #f0f4ff;--muted: #8892b0;--red: #ff4466;--green: #00e096;--radius: 10px}body{background:radial-gradient(ellipse 70% 55% at 18% 30%,rgba(100,40,200,.38) 0%,transparent 65%),radial-gradient(ellipse 60% 65% at 82% 72%,rgba(0,160,210,.28) 0%,transparent 60%),radial-gradient(ellipse 45% 45% at 58% 10%,rgba(130,60,220,.22) 0%,transparent 55%),var(--bg);background-attachment:fixed;color:var(--white);font-family:Segoe UI,system-ui,sans-serif;min-height:100vh}button{cursor:pointer;font-family:inherit}textarea,input{font-family:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}