:root{--bg:#0b0f17;--card:#121a27;--text:#e8eefc;--muted:#aab6d3;--border:#22304a;--link:#9fb8ff}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:0}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.app-header{align-items:center;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;padding:14px 18px}.app-logo{font-weight:700}.app-header__right{align-items:center;display:flex;gap:14px}.app-user{color:var(--muted)}.app-main{margin:0 auto;max-width:1000px;padding:18px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.flash{background:hsla(0,0%,100%,.04);border:1px solid var(--border);border-radius:10px;margin-bottom:12px;padding:10px 12px}.flash-success{border-color:rgba(90,200,120,.4)}.flash-error{border-color:rgba(255,90,90,.4)}