.app-header{position:sticky;top:0;z-index:10;background-color:#111;box-shadow:0 1px #ffffff0f}.app-header-bar{height:3px;background:linear-gradient(90deg,#e85a3b,#ff9b50 60%,gold)}.app-header-inner{max-width:1120px;margin:0 auto;padding:10px 24px 12px;display:flex;align-items:center;justify-content:flex-start;gap:32px}.app-brand{display:inline-flex;flex-direction:column;gap:0}.app-brand-line{display:inline-flex;align-items:baseline;gap:16px;flex-wrap:wrap}.app-brand-title{font-size:1.4rem;font-weight:600;letter-spacing:.08em;color:#fff}.app-brand-subtitle{font-size:.9rem;color:#fff;opacity:.8;text-align:left}.app-brand-guideline{margin-top:6px;width:100%;height:3px;border-radius:999px;background:linear-gradient(90deg,#e85a3b,#ff9b50 60%,gold)}.app-nav{display:flex;align-items:center;gap:8px;font-size:.9rem;margin-left:auto;padding:4px;border-radius:999px;background:#ffffff0a;box-shadow:inset 0 0 0 1px #ffffff0a}.app-nav-link{position:relative;color:#fff8e1;text-decoration:none;padding:6px 14px;border-radius:999px;transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,opacity .2s ease,transform .1s ease;opacity:.85}.app-nav-link:hover{opacity:1;color:#fff8e1;background-color:#ffffff0f;box-shadow:0 1px 2px #00000080;text-decoration:none}.app-nav-link.is-active{opacity:1;color:#1b1300;background:linear-gradient(90deg,#e85a3b,#ff9b50 60%,gold);box-shadow:0 2px 4px #00000073,0 0 0 1px #0009;transform:translateY(.5px)}@media(max-width:640px){.app-header{box-shadow:0 1px 4px #000c}.app-header-inner{flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px;padding:8px 16px 10px}.app-brand{display:inline-flex;align-items:flex-start;gap:0}.app-brand-line{gap:12px}.app-brand-title{font-size:1.15rem}.app-brand-subtitle{font-size:.8rem;text-align:center;flex:1;margin-left:12px}.app-nav{width:100%;flex-basis:100%;margin-left:0;justify-content:space-between;flex-wrap:nowrap;overflow-x:auto;row-gap:0;column-gap:6px}.app-nav::-webkit-scrollbar{display:none}.app-nav-link{flex:1 0 auto;text-align:center;font-size:.8rem;padding:8px 10px}}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:#121212;color:#f5f5f5}a{color:#ffb74d;text-decoration:none}a:hover{text-decoration:underline}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;max-width:1120px;margin:0 auto;padding:16px}.app-footer{text-align:center;padding:12px;font-size:.8rem;color:#aaa;border-top:1px solid #333}.page-container{background-color:#1f1f1f;border-radius:8px;padding:16px;box-shadow:0 2px 6px #0006}.page-container h1{margin-top:0;color:#ffb74d}.page-container h2{margin-top:24px;color:#ffcc80}.page-container p{line-height:1.7;margin:8px 0}.form-field{margin-bottom:12px}.form-field label{display:block;margin-bottom:4px}.form-field input{width:100%;padding:8px;border-radius:4px;border:1px solid #555;background-color:#111;color:#f5f5f5}button{cursor:pointer;padding:8px 16px;border-radius:4px;border:none}button.primary{background-color:#ff8a65;color:#1f1f1f}button.danger{background-color:#e53935;color:#fff}.message-success{color:#81c784;margin-top:8px}.message-error{color:#e57373;margin-top:8px}