/* ==========================================================================
   Design tokens
   ========================================================================== */
:root{
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #fbfcfe;
  --border: #e7eaf3;
  --border-strong: #d9deec;
  --text: #171b2e;
  --text-soft: #5b6178;
  --text-faint: #9aa0b4;

  --primary: #6d5ef8;
  --primary-600: #5a48f0;
  --primary-100: #eeebff;
  --primary-50: #f6f4ff;

  --success: #10b981;
  --success-100: #e3faf1;
  --warning: #f59e0b;
  --warning-100: #fef3e0;
  --danger: #ef4444;
  --danger-100: #fdeaea;
  --neutral-100: #eef0f6;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(23, 27, 46, .05);
  --shadow: 0 6px 20px -6px rgba(23, 27, 46, .12), 0 2px 6px -2px rgba(23,27,46,.06);
  --shadow-lg: 0 24px 48px -12px rgba(23, 27, 46, .22);

  --ease: cubic-bezier(.22,1,.36,1);
  --sidebar-w: 260px;
}

*, *::before, *::after{ box-sizing: border-box; }
[hidden]{ display: none !important; }
html, body{ height: 100%; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1200px 500px at 100% -10%, rgba(109,94,248,.08), transparent 60%),
    radial-gradient(900px 400px at -10% 0%, rgba(16,185,129,.06), transparent 55%);
  background-attachment: fixed;
}
h1,h2,h3,h4{ font-family: "Outfit", "Inter", sans-serif; margin: 0; letter-spacing: -.01em; }
p{ margin: 0; }
svg{ width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; display:block; }
button{ font-family: inherit; }
::selection{ background: var(--primary-100); color: var(--primary-600); }

/* scrollbars */
::-webkit-scrollbar{ width: 10px; height: 10px; }
::-webkit-scrollbar-track{ background: transparent; }
::-webkit-scrollbar-thumb{ background: #d3d7e6; border-radius: 20px; border: 2.5px solid var(--bg); }
::-webkit-scrollbar-thumb:hover{ background: #b9bfd6; }

/* ==========================================================================
   Shell layout
   ========================================================================== */
.app-shell{
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
  transition: grid-template-columns .32s var(--ease);
}
.app-shell.is-collapsed{ grid-template-columns: 0px 1fr; }

/* ---- Sidebar ---- */
.sidebar{
  background: linear-gradient(180deg, #15132b 0%, #1c1836 100%);
  color: #e9e8f6;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
  min-width: var(--sidebar-w);
  overflow: hidden;
  transition: opacity .28s var(--ease), margin-left .32s var(--ease);
}
.app-shell.is-collapsed .sidebar{
  opacity: 0;
  margin-left: calc(var(--sidebar-w) * -1);
  pointer-events: none;
}
.brand{ display:flex; align-items:center; gap: 12px; padding: 4px 6px; }
.brand-mark{
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #9b8bff);
  display:flex; align-items:center; justify-content:center;
  font-family:"Outfit",sans-serif; font-weight:800; font-size:14px; color:#fff;
  box-shadow: 0 8px 20px -6px rgba(109,94,248,.7);
}
.brand-text{ display:flex; flex-direction:column; line-height:1.25; }
.brand-text strong{ font-family:"Outfit",sans-serif; font-size:15px; font-weight:700; color:#fff; }
.brand-text span{ font-size:11.5px; color:#8f8bb3; }

.nav{ display:flex; flex-direction:column; gap:4px; }
.nav-item{
  display:flex; align-items:center; gap:12px;
  padding: 11px 14px; border-radius: 12px;
  color: #b7b3d9; text-decoration:none; font-weight:500; font-size:13.5px;
  cursor:pointer; transition: background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
  -webkit-user-select:none; user-select:none;
}
.nav-item svg{ width:18px; height:18px; opacity:.85; stroke-width:1.7; }
.nav-item:hover{ background: rgba(255,255,255,.06); color:#fff; }
.nav-item.is-active{
  background: linear-gradient(135deg, rgba(109,94,248,.35), rgba(109,94,248,.12));
  color:#fff;
  box-shadow: inset 0 0 0 1px rgba(148,133,255,.35);
}

.sidebar-actions{ margin-top:auto; display:flex; flex-direction:column; gap:10px; }
.sidebar-meta{ font-size:11.5px; color:#8f8bb3; text-align:center; }
.sidebar-meta span{ color:#fff; font-weight:700; }

/* ---- Main ---- */
.main{ min-width:0; padding: 26px 34px 60px; }
.topbar{
  display:flex; align-items:center; gap:16px;
  margin-bottom: 26px;
}
.topbar-title{ flex:1; min-width:0; }
.topbar-title h1{ font-size: 22px; font-weight:700; }
.topbar-title p{ color: var(--text-soft); font-size: 13px; margin-top:3px; }

.view{ display:none; animation: viewIn .38s var(--ease); }
.view.is-active{ display:block; }
@keyframes viewIn{ from{ opacity:0; transform: translateY(8px);} to{ opacity:1; transform:none; } }

/* ==========================================================================
   Buttons / inputs
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border:none; border-radius: 11px; padding: 10px 16px;
  font-size: 13.5px; font-weight: 600; cursor:pointer;
  transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .18s var(--ease), color .18s var(--ease);
  white-space:nowrap;
}
.btn svg{ width:16px; height:16px; }
.btn:active{ transform: scale(.96); }
.btn-primary{ background: linear-gradient(135deg, var(--primary), var(--primary-600)); color:#fff; box-shadow: 0 10px 24px -8px rgba(109,94,248,.65); }
.btn-primary:hover{ box-shadow: 0 14px 28px -6px rgba(109,94,248,.75); transform: translateY(-1px); }
.btn-outline{ background: var(--surface); color: var(--text); box-shadow: inset 0 0 0 1.5px var(--border-strong); }
.btn-outline:hover{ box-shadow: inset 0 0 0 1.5px var(--primary); color: var(--primary-600); }
.btn-ghost{ background: transparent; color: var(--text-soft); }
.btn-ghost:hover{ background: rgba(255,255,255,.08); color:#fff; }
.sidebar .btn-ghost:hover{ background: rgba(255,255,255,.08); }
.btn-block{ width:100%; }
.btn-sm{ padding: 8px 12px; font-size:12.5px; }

.icon-btn{
  width:36px; height:36px; display:flex; align-items:center; justify-content:center;
  border:none; border-radius:10px; background: var(--surface); color: var(--text-soft);
  cursor:pointer; box-shadow: inset 0 0 0 1.5px var(--border);
  transition: all .18s var(--ease);
}
.icon-btn:hover{ color: var(--primary-600); box-shadow: inset 0 0 0 1.5px var(--primary); transform: rotate(90deg); }

select, input[type=text], input[type=date]{
  font-family:inherit; font-size:13px; color:var(--text);
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 10px; padding: 9px 12px; outline:none;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
select:hover, input:hover{ border-color: var(--border-strong); }
select:focus, input:focus{ border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-100); }

/* ==========================================================================
   KPI cards
   ========================================================================== */
.kpi-grid{
  display:grid; grid-template-columns: repeat(6, 1fr); gap:16px; margin-bottom: 22px;
}
.kpi-card{
  background: var(--surface); border-radius: var(--radius); padding: 18px;
  display:flex; align-items:center; gap:14px; min-width: 0;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  animation: cardIn .5s var(--ease) both;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.kpi-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow); }
.kpi-grid .kpi-card:nth-child(1){ animation-delay: .02s; }
.kpi-grid .kpi-card:nth-child(2){ animation-delay: .07s; }
.kpi-grid .kpi-card:nth-child(3){ animation-delay: .12s; }
.kpi-grid .kpi-card:nth-child(4){ animation-delay: .17s; }
.kpi-grid .kpi-card:nth-child(5){ animation-delay: .22s; }
.kpi-grid .kpi-card:nth-child(6){ animation-delay: .27s; }
@keyframes cardIn{ from{ opacity:0; transform: translateY(14px) scale(.97);} to{ opacity:1; transform:none; } }

.kpi-icon{
  width:44px; height:44px; border-radius: 12px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background: color-mix(in srgb, var(--accent) 14%, white);
  color: var(--accent);
}
.kpi-icon svg{ width:20px; height:20px; }
.kpi-body{ display:flex; flex-direction:column; min-width:0; gap:2px; }
.kpi-value{ font-family:"Outfit",sans-serif; font-size:22px; font-weight:800; line-height:1.1; }
.kpi-label{ font-size:11.5px; color: var(--text-soft); font-weight:500; }

/* ==========================================================================
   Panels / charts
   ========================================================================== */
.panel-grid{
  display:grid; grid-template-columns: 1.6fr 1fr; gap:18px;
}
.panel{
  background: var(--surface); border-radius: var(--radius-lg); border:1px solid var(--border);
  box-shadow: var(--shadow-sm); padding: 20px 22px 16px;
  animation: cardIn .5s var(--ease) both; animation-delay: .3s;
  min-width: 0;
}
.panel-lg{ grid-column: span 1; }
.panel-head{ display:flex; flex-direction:column; gap:2px; margin-bottom: 10px; }
.panel-head h3{ font-size: 14.5px; font-weight:700; }
.panel-sub{ font-size:11.5px; color:var(--text-faint); }
.panel-chart{ height: 240px; position:relative; min-width: 0; }
.panel-chart-donut{ height: 220px; }

/* ==========================================================================
   Filters bar
   ========================================================================== */
.filters-bar{
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
  margin-bottom:16px; background:var(--surface); padding:12px; border-radius: var(--radius);
  border:1px solid var(--border); box-shadow: var(--shadow-sm);
}
.search-box{
  display:flex; align-items:center; gap:8px; flex: 1 1 240px;
  background: var(--surface-2); border:1.5px solid var(--border); border-radius:10px; padding: 0 12px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.search-box:focus-within{ border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-100); }
.search-box svg{ width:16px; height:16px; color: var(--text-faint); flex-shrink:0; }
.search-box input{ border:none; background:transparent; padding: 9px 0; flex:1; min-width:0; }
.search-box input:focus{ box-shadow:none; }
.filters-bar select, .filters-bar input[type=date]{ flex: 0 1 auto; }

/* ==========================================================================
   Table
   ========================================================================== */
.table-wrap{ padding:0; overflow:hidden; }
.table-scroll{ overflow-x:auto; }
.data-table{ width:100%; border-collapse: collapse; font-size:13px; min-width: 1100px; }
.data-table thead th{
  text-align:left; padding: 13px 16px; font-weight:600; font-size:11.5px;
  text-transform:uppercase; letter-spacing:.04em; color: var(--text-faint);
  border-bottom:1px solid var(--border); position:sticky; top:0; background: var(--surface); z-index:1;
  cursor:pointer; -webkit-user-select:none; user-select:none; white-space:nowrap;
}
.data-table thead th:hover{ color: var(--primary-600); }
.data-table thead th.is-sorted::after{ content:'▾'; margin-left:5px; font-size:10px; color:var(--primary); }
.data-table thead th.is-sorted.is-desc::after{ content:'▴'; }
.data-table tbody tr{ border-bottom:1px solid var(--border); cursor:pointer; transition: background .12s var(--ease); }
.data-table tbody tr:hover{ background: var(--primary-50); }
.data-table tbody tr{ animation: rowIn .3s var(--ease) both; }
.data-table td{ padding: 11px 16px; color: var(--text); white-space:nowrap; }
.data-table td.col-comment{ white-space:normal; max-width:260px; overflow:hidden; text-overflow:ellipsis; color:var(--text-soft); }
.col-center{ text-align:center; }
@keyframes rowIn{ from{ opacity:0; } to{ opacity:1; } }

.pill{ display:inline-flex; align-items:center; justify-content:center; min-width:26px; padding: 3px 9px; border-radius:20px; font-weight:700; font-size:12px; }
.pill-5, .pill-4{ background: var(--success-100); color:#067a55; }
.pill-3{ background: var(--warning-100); color:#a5670a; }
.pill-2, .pill-1{ background: var(--danger-100); color:#c0311f; }

.table-empty{ display:flex; flex-direction:column; align-items:center; gap:10px; padding: 60px 20px; color: var(--text-faint); }
.table-empty svg{ width:40px; height:40px; opacity:.5; }
.table-footer{
  display:flex; align-items:center; justify-content:space-between; padding: 12px 18px;
  border-top:1px solid var(--border); font-size:12.5px; color: var(--text-soft);
}
.pagination{ display:flex; gap:6px; }
.pagination button{
  width:30px; height:30px; border-radius:8px; border:1px solid var(--border); background:var(--surface);
  cursor:pointer; font-size:12.5px; font-weight:600; color:var(--text-soft);
  transition: all .16s var(--ease);
}
.pagination button:hover{ border-color: var(--primary); color:var(--primary-600); }
.pagination button.is-active{ background: var(--primary); border-color:var(--primary); color:#fff; }
.pagination button:disabled{ opacity:.4; cursor:not-allowed; }

/* ==========================================================================
   Agents view
   ========================================================================== */
.agents-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap:16px; }
.agent-card{
  background:var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding:18px; box-shadow: var(--shadow-sm); animation: cardIn .4s var(--ease) both;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.agent-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow); }
.agent-top{ display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.agent-avatar{
  width:42px; height:42px; border-radius:50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--primary), #9b8bff); color:#fff;
  font-weight:700; font-size:14px; font-family:"Outfit",sans-serif;
}
.agent-name{ font-weight:700; font-size:13.5px; line-height:1.3; }
.agent-count{ font-size:11.5px; color:var(--text-faint); }
.agent-stats{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.agent-stat{ background: var(--surface-2); border-radius:10px; padding:9px 10px; }
.agent-stat b{ display:block; font-size:15px; font-family:"Outfit",sans-serif; }
.agent-stat span{ font-size:10.5px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.03em; }
.agent-bar{ height:6px; border-radius:6px; background:var(--neutral-100); margin-top:12px; overflow:hidden; }
.agent-bar > i{ display:block; height:100%; border-radius:6px; background: linear-gradient(90deg, var(--success), #34d399); transition: width .6s var(--ease); }

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay{
  position:fixed; inset:0; background: rgba(15,13,32,.55); backdrop-filter: blur(3px);
  display:flex; align-items:center; justify-content:center; z-index:100;
  opacity:0; pointer-events:none; transition: opacity .25s var(--ease);
}
.modal-overlay.is-open{ opacity:1; pointer-events:auto; }
.modal{
  width:520px; max-width:92vw; max-height:86vh; overflow:auto;
  background:var(--surface); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  transform: translateY(18px) scale(.97); transition: transform .3s var(--ease);
}
.modal-overlay.is-open .modal{ transform:none; }
.modal-detail{ width: 620px; }
.modal-head{ display:flex; align-items:center; justify-content:space-between; padding: 20px 22px; border-bottom:1px solid var(--border); }
.modal-head h3{ font-size:16px; }
.modal-body{ padding: 22px; }

.dropzone{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  text-align:center; border:2px dashed var(--border-strong); border-radius: var(--radius);
  padding: 42px 20px; cursor:pointer; color: var(--text-soft);
  transition: all .2s var(--ease); background: var(--surface-2);
}
.dropzone svg{ width:34px; height:34px; color:var(--primary); margin-bottom:4px; }
.dropzone strong{ color:var(--text); font-size:14px; }
.dropzone span{ font-size:12px; }
.dropzone:hover, .dropzone.is-dragover{ border-color: var(--primary); background: var(--primary-50); transform: scale(1.01); }
.upload-hint{ font-size:12px; color: var(--text-faint); margin-top:14px; line-height:1.6; }
.upload-result{ margin-top:16px; padding:14px 16px; border-radius:12px; background: var(--success-100); color:#067a55; font-size:13px; font-weight:600; animation: cardIn .3s var(--ease); }
.upload-result.is-error{ background: var(--danger-100); color:#c0311f; }

.detail-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.detail-item{ background:var(--surface-2); border-radius:12px; padding:12px 14px; }
.detail-item.span-2{ grid-column: span 2; }
.detail-item label{ display:block; font-size:10.5px; text-transform:uppercase; letter-spacing:.04em; color:var(--text-faint); margin-bottom:4px; font-weight:600; }
.detail-item div{ font-size:13.5px; font-weight:500; word-break: break-word; }

/* ==========================================================================
   Toasts
   ========================================================================== */
.toast-stack{ position:fixed; bottom:22px; right:22px; display:flex; flex-direction:column; gap:10px; z-index:200; }
.toast{
  background:#1c1836; color:#fff; padding: 13px 18px; border-radius:12px; box-shadow: var(--shadow-lg);
  font-size:13px; font-weight:500; display:flex; align-items:center; gap:10px;
  animation: toastIn .35s var(--ease);
  min-width:240px;
}
.toast.is-out{ animation: toastOut .3s var(--ease) forwards; }
.toast::before{ content:''; width:8px; height:8px; border-radius:50%; background: var(--success); flex-shrink:0; }
.toast.toast-error::before{ background: var(--danger); }
@keyframes toastIn{ from{ opacity:0; transform: translateX(30px);} to{ opacity:1; transform:none; } }
@keyframes toastOut{ to{ opacity:0; transform: translateX(30px); } }

.scrim{ display:none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1200px){
  .kpi-grid{ grid-template-columns: repeat(3,1fr); }
  .panel-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 860px){
  .app-shell, .app-shell.is-collapsed{ grid-template-columns: 1fr; }
  .sidebar{
    position:fixed; left:0; top:0; width: 240px; min-width:240px; height:100vh;
    margin-left:0; transform: translateX(-100%); opacity: 1;
    transition: transform .28s var(--ease); box-shadow: var(--shadow-lg);
  }
  .app-shell:not(.is-collapsed) .sidebar{ transform: translateX(0); pointer-events:auto; }
  .scrim{ display:block; position:fixed; inset:0; background:rgba(15,13,32,.5); z-index:30; opacity:0; pointer-events:none; transition:opacity .25s var(--ease); }
  .app-shell:not(.is-collapsed) .scrim{ opacity:1; pointer-events:auto; }
  .main{ padding: 18px 16px 50px; }
  .kpi-grid{ grid-template-columns: repeat(2,1fr); }
  .topbar-title h1{ font-size:18px; }
}
@media (max-width: 640px){
  .kpi-grid{ grid-template-columns: 1fr; gap:12px; }
  .kpi-card{ padding: 15px; }
  .filters-bar{ flex-direction:column; align-items:stretch; }
  .filters-bar select, .filters-bar input[type=date]{ width:100%; }
  .panel{ padding: 16px 16px 12px; }
  .panel-chart{ height: 210px; }
  .agents-grid{ grid-template-columns: 1fr; }
  .modal, .modal-detail{ width: 94vw; }
  .detail-grid{ grid-template-columns: 1fr; }
  .detail-item.span-2{ grid-column: span 1; }
  .topbar{ flex-wrap: wrap; }
  .topbar-actions{ width:100%; }
  .topbar-actions .btn-outline{ width:100%; }
}