*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f6f8fc;color:#1f1f1f}a{text-decoration:none;color:#1967d2}.w-full{width:100%}.m-16{margin:16px}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:420px;background:#fff;border-radius:24px;padding:28px;box-shadow:0 10px 30px rgba(0,0,0,.08)}
.brand-row{display:flex;align-items:center;gap:14px;margin-bottom:20px}.brand-row h1{margin:0;font-size:28px}.brand-row p{margin:4px 0 0;color:#5f6368}.brand-icon{width:42px;height:42px;border-radius:12px;background:#1a73e8;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
label{display:block;margin:12px 0 6px;font-size:14px;color:#3c4043}.input,select.input{width:100%;padding:12px 14px;border:1px solid #d0d7e2;border-radius:14px;background:#fff;outline:none}.input:focus{border-color:#1a73e8;box-shadow:0 0 0 3px rgba(26,115,232,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;padding:10px 16px;cursor:pointer;font-weight:600}.btn-primary{background:#1a73e8;color:#fff}.btn-light{background:#eef3fd;color:#174ea6}.btn-danger{background:#fce8e6;color:#c5221f}.auth-links{margin-top:14px;text-align:center}
.alert{padding:12px 14px;border-radius:14px;margin:12px 0;font-size:14px}.alert.success{background:#e6f4ea;color:#137333}.alert.error{background:#fce8e6;color:#c5221f}
.app-shell{display:flex;min-height:100vh}.sidebar{width:280px;background:#fff;border-right:1px solid #e4e7ee;padding:18px;display:flex;flex-direction:column;gap:18px}.logo-wrap{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;padding:8px 4px}.new-btn{width:100%;padding:14px 18px;border-radius:18px;box-shadow:0 2px 8px rgba(26,115,232,.2)}
.upload-box{background:#f8fafd;border:1px dashed #d2d9e8;border-radius:18px;padding:14px}.upload-label{display:block;cursor:pointer;text-align:center;color:#174ea6;font-weight:600}.side-nav{display:flex;flex-direction:column;gap:8px}.nav-item{padding:12px 14px;border-radius:14px;color:#3c4043}.nav-item:hover,.nav-item.active{background:#e8f0fe;color:#174ea6}.nav-item.danger{color:#c5221f}
.main-content{flex:1;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 22px}.searchbar{flex:1;max-width:720px}.searchbar input{width:100%;padding:14px 18px;border:none;border-radius:999px;background:#e9eef6;outline:none;font-size:15px}.user-pill{background:#fff;border:1px solid #e4e7ee;border-radius:999px;padding:10px 16px}
.content-wrap{padding:0 22px 22px}.breadcrumb-row{display:flex;align-items:center;gap:8px;color:#5f6368;margin:8px 0 18px;flex-wrap:wrap}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-head h2{margin:0;font-size:22px}.view-switch a{padding:8px 12px;border-radius:999px;color:#3c4043}.view-switch .is-active{background:#e8f0fe;color:#174ea6}
.items.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.items.list{display:flex;flex-direction:column;gap:12px}.item-card{background:#fff;border:1px solid #e4e7ee;border-radius:20px;padding:16px;display:flex;gap:14px;align-items:flex-start}.item-icon{font-size:32px}.item-meta{flex:1;min-width:0}.item-title{font-weight:700;color:#202124;display:block;word-break:break-word}.item-sub{font-size:13px;color:#5f6368;margin-top:6px}.item-actions{display:flex;flex-direction:column;gap:8px;min-width:180px}.inline-form{display:flex;gap:8px}.inline-input{flex:1;min-width:0;padding:10px 12px;border:1px solid #d0d7e2;border-radius:12px}
.empty-state{background:#fff;border:1px dashed #d0d7e2;border-radius:24px;padding:40px;text-align:center;grid-column:1/-1}.empty-icon{font-size:48px;margin-bottom:8px}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.28);display:none;align-items:center;justify-content:center;padding:20px}.modal.show{display:flex}.modal-card{width:100%;max-width:460px;background:#fff;border-radius:24px;padding:20px;box-shadow:0 20px 40px rgba(0,0,0,.18)}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.icon-btn{border:none;background:#f1f3f4;width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:24px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
@media (max-width:980px){.sidebar{width:100%;border-right:none;border-bottom:1px solid #e4e7ee}.app-shell{flex-direction:column}.item-actions{min-width:0}.inline-form{flex-direction:column}}