*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#f5f7fa;color:#1a1a2e;min-height:100vh}
label{display:block;font-weight:500;margin:0.75rem 0 0.35rem;font-size:.9rem}
input[type="text"],input[type="email"],input[type="password"],select,textarea{width:100%;padding:.6rem .8rem;border:1px solid #ddd;border-radius:8px;font-size:.9rem;font-family:inherit;outline:none;transition:border .2s}
input:focus,select:focus,textarea:focus{border-color:#6366f1}
textarea{resize:vertical}

/* BUTTONS */
.btn-primary{background:#6366f1;color:#fff;border:none;padding:.6rem 1.2rem;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:background .2s}
.btn-primary:hover{background:#4f46e5}
.btn-primary:disabled{background:#a5a6f6;cursor:not-allowed}
.btn-outline{background:transparent;color:#1a1a2e;border:1px solid #d1d5db;padding:.6rem 1.2rem;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s}
.btn-outline:hover{border-color:#6366f1;color:#6366f1}
.btn-full{width:100%}
.btn-danger{background:#ef4444;color:#fff;border:none;padding:.4rem .8rem;border-radius:6px;cursor:pointer;font-size:.8rem}
.btn-danger:hover{background:#dc2626}
.btn-sm{padding:.35rem .7rem;font-size:.8rem}

/* LOGIN */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%)}
.login-card{background:#fff;border-radius:16px;padding:2.5rem;width:380px;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.login-logo{font-size:2rem;font-weight:700;text-align:center;color:#1a1a2e;margin-bottom:.25rem}
.login-sub{text-align:center;color:#6b7280;margin-bottom:1.5rem;font-size:.9rem}
.login-toggle{text-align:center;margin-top:1rem;color:#6b7280;font-size:.85rem;cursor:pointer}
.login-toggle span{color:#6366f1;font-weight:500}
.error-msg{background:#fef2f2;color:#ef4444;padding:.6rem;border-radius:8px;font-size:.85rem;margin-bottom:1rem}

/* APP LAYOUT */
#app{display:flex;min-height:100vh}

/* SIDEBAR */
.sidebar{width:240px;background:#1a1a2e;color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:width .3s}
.sidebar.collapsed{width:60px}
.sidebar.collapsed .nav-label,.sidebar.collapsed .logo-text,.sidebar.collapsed .user-info,.sidebar.collapsed .sidebar-recents,.sidebar.collapsed .logout-link{display:none}
.sidebar-top{padding:1rem .75rem}
.sidebar-logo{display:flex;align-items:center;gap:.75rem;padding:.5rem;cursor:pointer;margin-bottom:1.5rem}
.logo-icon{font-size:1.3rem}
.logo-text{font-size:1.3rem;font-weight:700}
.sidebar-nav{display:flex;flex-direction:column;gap:.25rem}
.nav-link{display:flex;align-items:center;gap:.75rem;padding:.6rem .75rem;border-radius:8px;color:rgba(255,255,255,.7);text-decoration:none;transition:all .2s;font-size:.9rem}
.nav-link:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-link.active{background:#6366f1;color:#fff}
.nav-icon{font-size:1.1rem;width:20px;text-align:center}
.sidebar-recents{margin-top:2rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1)}
.recents-title{font-size:.7rem;text-transform:uppercase;color:rgba(255,255,255,.4);letter-spacing:.05em;margin-bottom:.5rem;padding:0 .75rem}
.recent-item{display:block;padding:.35rem .75rem;color:rgba(255,255,255,.5);font-size:.8rem;text-decoration:none;border-radius:6px;cursor:pointer;transition:all .2s}
.recent-item:hover{color:#fff;background:rgba(255,255,255,.05)}
.sidebar-bottom{padding:1rem .75rem;border-top:1px solid rgba(255,255,255,.1)}
.user-card{display:flex;align-items:center;gap:.6rem;padding:.5rem;border-radius:8px;cursor:pointer;transition:background .2s}
.user-card:hover{background:rgba(255,255,255,.1)}
.user-avatar{width:36px;height:36px;border-radius:50%;background:#6366f1;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem;flex-shrink:0}
.user-name{font-size:.85rem;font-weight:500}
.user-role{font-size:.65rem;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.05em}
.logout-link{display:block;padding:.4rem .75rem;color:rgba(255,255,255,.4);font-size:.8rem;cursor:pointer;margin-top:.5rem;transition:color .2s;text-decoration:none}
.logout-link:hover{color:#ef4444}

/* MAIN */
.main-content{margin-left:240px;flex:1;padding:2rem;min-height:100vh;transition:margin-left .3s}
.sidebar.collapsed~.main-content{margin-left:60px}
.page h1{font-size:1.5rem;font-weight:700;margin-bottom:.25rem}
.text-muted{color:#6b7280;font-size:.9rem}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}
.header-actions{display:flex;gap:.5rem;flex-wrap:wrap}

/* CARDS */
.card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.stat-card{background:#fff;border-radius:12px;padding:1.25rem;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center}
.stat-icon{font-size:1.5rem;margin-bottom:.5rem}
.stat-value{font-size:1.5rem;font-weight:700;color:#1a1a2e}
.stat-label{font-size:.8rem;color:#6b7280;margin-top:.25rem}

/* LLM */
.llm-providers{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.75rem}
.llm-pill{padding:.5rem 1rem;border-radius:20px;border:1px solid #d1d5db;cursor:pointer;font-size:.85rem;transition:all .2s;background:#fff}
.llm-pill:hover{border-color:#6366f1}
.llm-pill.active{background:#6366f1;color:#fff;border-color:#6366f1}
.llm-pill .badge-active{display:inline-block;width:8px;height:8px;border-radius:50%;background:#10b981;margin-left:.4rem}

/* ACTIVITY */
.activity-placeholder{display:flex;gap:8px;align-items:flex-end;height:120px;padding:1rem 0}
.activity-placeholder .bar{flex:1;background:linear-gradient(180deg,#6366f1,#a5b4fc);border-radius:4px 4px 0 0;min-width:20px}

/* DATA */
.breadcrumb{font-size:.9rem;margin-top:.5rem}
.breadcrumb a{color:#6366f1;text-decoration:none;cursor:pointer}
.breadcrumb a:hover{text-decoration:underline}
.datasets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}
.dataset-folder{background:#fff;border-radius:12px;padding:1.25rem;box-shadow:0 2px 8px rgba(0,0,0,.08);cursor:pointer;transition:all .2s;text-align:center}
.dataset-folder:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.12)}
.dataset-folder .folder-icon{font-size:2.5rem;margin-bottom:.5rem}
.dataset-folder .folder-name{font-weight:600;font-size:.95rem}
.dataset-folder .folder-count{font-size:.8rem;color:#6b7280;margin-top:.25rem}
.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.data-table th{text-align:left;padding:.75rem 1rem;font-size:.75rem;text-transform:uppercase;color:#6b7280;background:#f9fafb;letter-spacing:.05em;font-weight:600}
.data-table td{padding:.75rem 1rem;border-top:1px solid #f0f0f0;font-size:.9rem}
.data-table tr:hover td{background:#f9fafb}
.doc-name{display:flex;align-items:center;gap:.5rem}
.doc-icon{font-size:1.2rem}
.delete-btn{background:none;border:none;cursor:pointer;font-size:1.1rem;opacity:.4;transition:opacity .2s}
.delete-btn:hover{opacity:1}
.empty-state{text-align:center;padding:3rem;color:#6b7280}
.empty-icon{font-size:3rem;margin-bottom:.75rem}

/* GRIDS */
.grids-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.grid-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:all .2s}
.grid-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.12)}
.grid-card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}
.grid-card-icon{width:40px;height:40px;background:#ede9fe;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#6366f1;font-size:1.2rem}
.grid-card-title{font-weight:600;font-size:1.1rem}
.grid-card-meta{font-size:.85rem;color:#6b7280;margin-bottom:.75rem}
.grid-card-meta span{display:block;margin-bottom:.2rem}
.grid-card-actions{display:flex;justify-content:space-between;align-items:center}
.btn-open{background:#1a1a2e;color:#fff;border:none;padding:.45rem 1rem;border-radius:6px;cursor:pointer;font-size:.85rem;transition:background .2s}
.btn-open:hover{background:#2d2d4e}

/* IAGRID TABLE */
.grid-table-wrap{overflow-x:auto}
.iagrid-table th.col-header{color:#fff;font-size:.8rem;text-transform:none;letter-spacing:normal;min-width:150px}
.iagrid-table .cell-pending{color:#9ca3af;font-style:italic;font-size:.85rem}
.iagrid-table .cell-value{font-size:.9rem}
.iagrid-table .cell-error{color:#ef4444;font-size:.85rem}

/* TEAM */
.member-card{background:#fff;border-radius:12px;padding:1rem 1.25rem;box-shadow:0 2px 8px rgba(0,0,0,.08);display:flex;align-items:center;gap:1rem;margin-bottom:.75rem}
.member-avatar{width:42px;height:42px;border-radius:50%;background:#6366f1;display:flex;align-items:center;justify-content:center;font-weight:600;color:#fff;font-size:1rem;flex-shrink:0}
.member-info{flex:1}
.member-name{font-weight:600;font-size:.95rem}
.member-email{font-size:.8rem;color:#6b7280}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:12px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.badge-admin{background:#fef3c7;color:#92400e}
.badge-member{background:#dbeafe;color:#1e40af}
.invite-card{background:#fff;border-radius:10px;padding:.75rem 1rem;box-shadow:0 1px 4px rgba(0,0,0,.06);display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}

/* MODALS */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:16px;padding:2rem;width:90%;max-width:480px;max-height:90vh;overflow-y:auto;animation:modalIn .2s}
@keyframes modalIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.modal h3{font-size:1.2rem;margin-bottom:.25rem}
.modal-actions{display:flex;flex-direction:column;gap:.5rem;margin-top:1.5rem;align-items:center}
.modal-actions .btn-primary{width:100%}
.modal-cancel{color:#6b7280;cursor:pointer;font-size:.9rem;text-decoration:none}
.modal-cancel:hover{color:#1a1a2e}

/* DROPZONE */
.dropzone{border:3px dashed #d1d5db;border-radius:12px;padding:2.5rem;text-align:center;cursor:pointer;transition:all .2s}
.dropzone:hover,.dropzone.dragover{border-color:#6366f1;background:#f5f3ff}
.dropzone-icon{font-size:2.5rem;margin-bottom:.5rem}
.upload-item{display:flex;align-items:center;justify-content:space-between;padding:.5rem;background:#f9fafb;border-radius:6px;margin-bottom:.25rem;font-size:.85rem}

/* RULES */
.rule-row{display:flex;gap:.5rem;align-items:center;margin-bottom:.5rem;flex-wrap:wrap}
.rule-row select,.rule-row input{flex:1;min-width:80px}
.rule-row input[type="color"]{width:40px;flex:none}
.add-rule-link{color:#6366f1;font-size:.85rem;cursor:pointer;display:inline-block;margin-top:.25rem}
.add-rule-link:hover{text-decoration:underline}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar{width:60px}
  .sidebar .nav-label,.sidebar .logo-text,.sidebar .user-info,.sidebar .sidebar-recents,.sidebar .logout-link{display:none}
  .main-content{margin-left:60px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .grids-container{grid-template-columns:1fr}
}