.app{min-height:100vh;display:grid;grid-template-rows:78px 1fr}
.app .topbar{height:78px;background:#fff;color:#172033;display:flex;align-items:center;justify-content:space-between;padding:7px 24px;border-bottom:1px solid #dbe3ee;box-shadow:0 1px 8px rgba(15,23,42,.04)}
.app .topbar-brand{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:0}
.app .brand-mark{width:38px;height:38px;flex:0 0 38px;border:1px solid #dbe3ee;border-radius:6px;background:#fff;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 4px 10px rgba(15,23,42,.1)}
.app .brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.app .topbar-title{font-weight:800;font-size:13px;line-height:1.1;white-space:nowrap}
.app .topbar-actions{display:flex;align-items:center;gap:12px}.app .topbar-actions form{margin:0}.app .logout{border:1px solid #dbe3ee;color:#475569;background:#fff;border-radius:8px;padding:7px 10px;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.app .logout:hover{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}
.app .layout{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:calc(100vh - 78px)}
.app .sidebar{background:radial-gradient(circle at 20% 0%,rgba(37,99,235,.24),transparent 32%),linear-gradient(180deg,#17253a,#111c2d);color:#d8e2ef;padding:18px 14px}
.app .version{padding:0 8px 18px;font-size:12px;color:#93a4ba;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:12px}.app .version strong{display:block;color:#fff;font-size:14px;margin-bottom:3px}
.app .menu{display:grid;gap:6px}.app .menu-item{display:flex;align-items:center;gap:12px;min-height:46px;padding:10px 12px;color:#b8c6d8;font-size:13px;line-height:1.25;border-radius:8px;border:1px solid transparent;font-weight:400}.app .menu-item:hover{background:rgba(255,255,255,.07);color:#fff}.app .menu-item.active{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.14);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.app .menu-icon{width:34px;height:34px;flex:0 0 34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid currentColor;border-radius:8px}.app .menu-icon svg{width:17px;height:17px}.app .menu-item.active .menu-icon{background:#2563eb;border-color:#60a5fa;color:#fff}.app .menu-item:not(.active) .menu-icon{background:rgba(255,255,255,.06)}
.app .menu-text strong{display:block;font-size:13px;color:inherit}
.operation-loading{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(15,23,42,.52);backdrop-filter:blur(2px)}
.operation-loading[hidden]{display:none}.operation-loading-panel{width:min(360px,calc(100vw - 32px));display:flex;align-items:center;gap:15px;padding:18px 20px;border:1px solid rgba(255,255,255,.72);border-radius:8px;background:#fff;box-shadow:0 24px 64px rgba(15,23,42,.28)}
.operation-spinner{width:30px;height:30px;flex:0 0 30px;border:3px solid #dbeafe;border-top-color:#2563eb;border-radius:50%;animation:operation-spin .75s linear infinite}.operation-loading-title{display:block;color:#172033;font-size:14px;font-weight:800}.operation-loading-message{display:block;margin-top:3px;color:#64748b;font-size:12px}
body.is-operation-loading{overflow:hidden}body.is-operation-loading button,body.is-operation-loading .file-button{pointer-events:none}.is-button-loading{opacity:.72}
@keyframes operation-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.operation-spinner{animation-duration:1.5s}}
@media(max-width:860px){.app .layout{grid-template-columns:1fr}.app .sidebar{display:none}.app .topbar{padding:0 14px}.app .status-pill,.app .user-chip{display:none}}