/* Market Machine — Admin CSS v2 */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}

/* ── VARIABLES ────────────────────────────── */
:root{
  --bg:#080808;--sidebar:#0d0d0d;--card:#111111;--card2:#161616;
  --border:#1e1e1e;--border2:#2a2a2a;--text:#e8e8e8;--muted:#555;--muted2:#333;
  --green:#4ade80;--red:#f87171;--gold:#f5c518;--blue:#60a5fa;--orange:#fb923c;
  --accent:#00c853;--accent-dim:#009c40;
  --sidebar-w:220px
}
body.light{
  --bg:#f2f2f2;--sidebar:#ffffff;--card:#ffffff;--card2:#f8f8f8;
  --border:#e0e0e0;--border2:#d0d0d0;--text:#111111;--muted:#888;--muted2:#bbb;
  --green:#16a34a;--red:#dc2626;--gold:#b45309;--blue:#2563eb;
}

html,body{height:100%;font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes pop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}

/* ── ROOT LAYOUT ──────────────────────────── */
.admin-root{display:flex;height:100vh;overflow:hidden}

/* ── SIDEBAR ──────────────────────────────── */
.sidebar{
  width:var(--sidebar-w);background:var(--sidebar);
  border-right:1px solid var(--border);display:flex;flex-direction:column;
  flex-shrink:0;overflow-y:auto;overflow-x:hidden;
  transition:width .22s ease,transform .22s ease;z-index:100
}
.admin-root.sidebar-closed .sidebar{width:0;overflow:hidden}
@media(max-width:768px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:200;transform:translateX(0)}
  .admin-root.sidebar-closed .sidebar{transform:translateX(-100%);width:var(--sidebar-w)}
}

.sidebar-logo{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.sidebar-logo-icon{font-size:22px}
.sidebar-logo-name{font-size:12px;font-weight:900;letter-spacing:2px;color:var(--text);text-transform:uppercase}
.sidebar-logo-sub{font-size:10px;color:var(--muted);margin-top:1px;letter-spacing:1px}

.nav{padding:8px 0;flex:1;overflow-y:auto}
.nav-label{
  padding:12px 16px 4px;font-size:9px;font-weight:700;
  color:var(--muted2);text-transform:uppercase;letter-spacing:1.5px;
  white-space:nowrap
}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 16px;
  color:var(--muted);font-size:13px;text-decoration:none;
  border-left:3px solid transparent;transition:all .12s;
  cursor:pointer;white-space:nowrap;position:relative
}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-item.active{color:var(--text);background:rgba(255,255,255,.07);border-left-color:var(--accent)}
body.light .nav-item:hover{background:rgba(0,0,0,.04)}
body.light .nav-item.active{background:rgba(0,200,83,.08)}
.nav-item i{width:16px;text-align:center;font-size:13px;flex-shrink:0}
.nav-badge{
  margin-left:auto;background:#cc2222;color:#fff;
  border-radius:10px;padding:1px 7px;font-size:10px;font-weight:700
}

.sidebar-extra{padding:4px 0;border-top:1px solid var(--border)}

.sidebar-footer{padding:14px 16px;border-top:1px solid var(--border);margin-top:auto;flex-shrink:0}
.sidebar-user-info{margin-bottom:10px}
.suf-name{font-size:13px;font-weight:700;color:var(--text)}
.suf-ip{font-size:10px;color:var(--muted);font-family:monospace;margin-top:2px}

.btn-logout{
  width:100%;background:transparent;border:1px solid var(--border2);
  color:var(--muted);padding:8px 12px;border-radius:7px;cursor:pointer;
  font-size:12px;font-weight:600;transition:all .15s;text-align:left;
  display:flex;align-items:center;gap:8px
}
.btn-logout:hover{border-color:var(--red);color:var(--red);background:rgba(248,113,113,.06)}

/* ── MAIN AREA ────────────────────────────── */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}

/* ── TOPBAR ───────────────────────────────── */
.topbar{
  padding:12px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:12px;background:var(--sidebar);
  flex-shrink:0;min-height:60px
}
.menu-btn{
  width:36px;height:36px;border-radius:8px;background:transparent;
  border:1px solid var(--border);color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:all .15s;flex-shrink:0
}
.menu-btn:hover{color:var(--text);border-color:var(--border2)}
.topbar-info{flex:1;min-width:0}
.topbar-title{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-sub{font-size:11px;color:var(--muted);margin-top:1px}
.topbar-right{display:flex;align-items:center;gap:6px;flex-shrink:0}

.user-pill{
  display:flex;align-items:center;gap:6px;padding:5px 10px;
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  font-size:12px;font-weight:600;color:var(--text);max-width:160px;overflow:hidden
}
.user-pill i{color:var(--accent);font-size:13px;flex-shrink:0}
.user-ip{font-size:9px;color:var(--muted);font-family:monospace;margin-left:2px;white-space:nowrap}
@media(max-width:600px){.user-pill{display:none}}

.icon-btn{
  width:36px;height:36px;border-radius:8px;background:var(--card);
  border:1px solid var(--border);color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  position:relative;text-decoration:none;transition:all .15s;flex-shrink:0
}
.icon-btn:hover{color:var(--text);border-color:var(--border2)}
.notif-dot{
  position:absolute;top:5px;right:5px;width:7px;height:7px;
  background:#cc2222;border-radius:50%;border:1.5px solid var(--sidebar)
}

.btn-logout-top{
  display:flex;align-items:center;gap:6px;padding:7px 14px;
  border-radius:8px;background:transparent;border:1px solid var(--border2);
  color:var(--muted);font-size:12px;font-weight:600;cursor:pointer;
  transition:all .15s;white-space:nowrap;flex-shrink:0
}
.btn-logout-top:hover{border-color:var(--red);color:var(--red);background:rgba(248,113,113,.06)}
@media(max-width:500px){.btn-logout-top span{display:none}}

/* ── CONTENT ──────────────────────────────── */
.content{flex:1;overflow-y:auto;padding:20px}
@media(max-width:600px){.content{padding:12px}}

/* ── LOADING ──────────────────────────────── */
.loading-state{display:flex;align-items:center;justify-content:center;height:200px}
.spinner{
  width:28px;height:28px;border:3px solid var(--border);
  border-top-color:var(--accent);border-radius:50%;
  animation:spin .7s linear infinite
}

/* ── METRIC GRID ──────────────────────────── */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
@media(max-width:900px){.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.metric-grid{grid-template-columns:1fr}}
.metric-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:18px;transition:border-color .15s
}
.metric-card:hover{border-color:var(--border2)}
.metric-label{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.metric-value{font-size:28px;font-weight:800;color:var(--text);line-height:1}
.metric-sub{font-size:11px;color:var(--muted);margin-top:6px}

/* ── CARDS ────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;overflow:hidden}
.card-header{
  padding:14px 18px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px
}
.card-header h3{font-size:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.card-body{padding:18px}
.card-body-pad0{padding:0}

/* ── CHART GRID ───────────────────────────── */
.chart-grid{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:16px}
@media(max-width:800px){.chart-grid{grid-template-columns:1fr}}
.chart-wrap{position:relative;height:220px}

/* ── TABS ─────────────────────────────────── */
.tab-bar{
  display:flex;gap:4px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;padding:3px;margin-bottom:16px;width:fit-content;flex-wrap:wrap
}
.tab{
  padding:8px 16px;border-radius:7px;cursor:pointer;font-size:12px;
  color:var(--muted);font-weight:600;transition:all .12s;border:1px solid transparent;
  white-space:nowrap
}
.tab.active{background:var(--card);color:var(--text);border-color:var(--border)}
.tab:hover:not(.active){color:var(--text)}

/* ── TABLES ───────────────────────────────── */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{
  padding:10px 12px;text-align:left;font-size:10px;font-weight:700;
  color:var(--muted);text-transform:uppercase;letter-spacing:.5px;
  border-bottom:1px solid var(--border);white-space:nowrap
}
td{padding:12px 12px;font-size:13px;border-bottom:1px solid var(--muted2);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr.clickable{cursor:pointer;transition:background .1s}
tr.clickable:hover td{background:rgba(255,255,255,.03)}
body.light tr.clickable:hover td{background:rgba(0,0,0,.03)}

/* ── BADGES ───────────────────────────────── */
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:10px;font-weight:700;white-space:nowrap}
.badge.green {background:rgba(74,222,128,.1);color:var(--green);border:1px solid rgba(74,222,128,.3)}
.badge.red   {background:rgba(248,113,113,.1);color:var(--red);border:1px solid rgba(248,113,113,.3)}
.badge.yellow{background:rgba(245,197,24,.1);color:var(--gold);border:1px solid rgba(245,197,24,.3)}
.badge.blue  {background:rgba(96,165,250,.1);color:var(--blue);border:1px solid rgba(96,165,250,.3)}
.badge.orange{background:rgba(251,146,60,.1);color:var(--orange);border:1px solid rgba(251,146,60,.3)}

/* ── PRODUCT GRID ─────────────────────────── */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
@media(max-width:480px){.product-grid{grid-template-columns:repeat(2,1fr)}}
.product-card{
  background:var(--card2);border:1px solid var(--border);border-radius:12px;
  overflow:hidden;transition:all .15s;cursor:pointer
}
.product-card:hover{border-color:var(--accent);transform:translateY(-1px)}
.product-card img,.product-card .prod-placeholder{
  width:100%;height:130px;object-fit:cover;background:var(--bg);
  display:flex;align-items:center;justify-content:center;font-size:44px
}
.product-card img{display:block}
.product-card-body{padding:12px}
.product-card-name{font-size:13px;font-weight:700;color:var(--text);margin-bottom:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.product-card-price{font-size:18px;font-weight:900;color:var(--text);margin-bottom:8px}
.product-card-meta{font-size:10px;color:var(--muted);margin-bottom:10px;line-height:1.6}
.product-card-actions{display:flex;gap:5px}

/* ── STOCK BAR ────────────────────────────── */
.stock-bar-wrap{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.stock-bar{height:5px;border-radius:3px;flex:1;background:var(--border2)}
.stock-fill{height:100%;border-radius:3px;transition:width .3s}
.stock-fill.ok      {background:var(--green)}
.stock-fill.warn    {background:var(--gold)}
.stock-fill.critical{background:var(--red)}

/* ── FORMS ────────────────────────────────── */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:480px){.form-row{grid-template-columns:1fr}}
.form-group{margin-bottom:14px}
.form-group label{
  display:block;font-size:11px;font-weight:700;color:var(--muted);
  text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px
}
.form-control{
  width:100%;background:var(--card2);border:1px solid var(--border);
  border-radius:8px;padding:10px 12px;color:var(--text);font-size:13px;
  outline:none;transition:border-color .15s;font-family:inherit
}
.form-control:focus{border-color:var(--accent)}
select.form-control option{background:var(--card)}
textarea.form-control{resize:vertical;min-height:80px}

/* ── BUTTONS ──────────────────────────────── */
.btn{
  padding:9px 18px;border-radius:8px;font-size:13px;font-weight:700;
  cursor:pointer;border:none;transition:all .15s;
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap
}
.btn.primary  {background:#ffffff;color:#000000}
.btn.primary:hover{background:#e8e8e8}
body.dark .btn.primary{background:#ffffff;color:#000}
body.dark .btn.primary:hover{background:#e0e0e0}
.btn.secondary{background:transparent;color:var(--muted);border:1px solid var(--border2)}
.btn.secondary:hover{background:var(--card2);color:var(--text)}
.btn.danger   {background:rgba(248,113,113,.1);color:var(--red);border:1px solid rgba(248,113,113,.3)}
.btn.danger:hover{background:rgba(248,113,113,.2)}
.btn.success  {background:rgba(74,222,128,.1);color:var(--green);border:1px solid rgba(74,222,128,.3)}

.btn-sm{
  padding:5px 11px;border-radius:6px;font-size:11px;font-weight:700;
  cursor:pointer;border:1px solid transparent;transition:all .12s;
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap
}
.btn-sm.primary  {background:#ffffff;color:#000000;border-color:#ffffff}
.btn-sm.primary:hover{background:#e8e8e8}
body.dark .btn-sm.primary{background:#fff;color:#000}
.btn-sm.secondary{background:transparent;color:var(--muted);border-color:var(--border2)}
.btn-sm.secondary:hover{background:var(--card2);color:var(--text)}
.btn-sm.danger   {background:transparent;color:var(--red);border-color:rgba(248,113,113,.3)}
.btn-sm.danger:hover{background:rgba(248,113,113,.08)}

/* ── MODAL ────────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.75);z-index:1000;
  display:flex;align-items:center;justify-content:center;padding:16px
}
.modal-overlay.hidden{display:none}
.modal-box{
  background:var(--card);border:1px solid var(--border2);border-radius:14px;
  padding:26px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;
  animation:fadeIn .2s
}
.modal-box h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:20px}
.modal-actions{
  display:flex;gap:8px;justify-content:flex-end;margin-top:18px;
  padding-top:14px;border-top:1px solid var(--border)
}

/* ── NOTIFICATIONS ────────────────────────── */
.notif-item{
  display:flex;gap:12px;padding:14px 18px;
  border-bottom:1px solid var(--muted2);align-items:flex-start;
  transition:background .1s
}
.notif-item:last-child{border-bottom:none}
.notif-item.unread{background:rgba(0,200,83,.03);border-left:3px solid var(--accent)}
.notif-icon{
  width:36px;height:36px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0
}
.notif-icon.sale      {background:rgba(74,222,128,.1)}
.notif-icon.low_stock {background:rgba(245,197,24,.1)}
.notif-icon.theft     {background:rgba(248,113,113,.1)}
.notif-icon.daily_report{background:rgba(96,165,250,.1)}
.notif-body{flex:1;min-width:0}
.notif-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:2px}
.notif-title.read{color:var(--muted);font-weight:600}
.notif-msg{font-size:12px;color:var(--muted);line-height:1.4}
.notif-time{font-size:10px;color:var(--muted2);margin-top:4px}
.notif-actions{display:flex;gap:6px;flex-shrink:0;align-items:center}

/* ── CAMERA ───────────────────────────────── */
.camera-wrap{
  position:relative;background:var(--card2);border-radius:10px;
  overflow:hidden;aspect-ratio:16/9;max-height:280px
}
.camera-wrap video{width:100%;height:100%;object-fit:cover;display:block}
.camera-overlay{
  position:absolute;bottom:10px;left:10px;
  background:rgba(0,0,0,.7);padding:4px 10px;border-radius:5px;
  font-size:11px;color:#888;display:flex;align-items:center;gap:6px
}
.cam-pulse{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 1.5s infinite}

/* ── ANALYSIS RESULT ─────────────────────── */
.analysis-result{
  padding:14px 16px;border-radius:8px;
  background:var(--card2);border:1px solid var(--border);
  margin-top:4px
}

/* ── SETTINGS ─────────────────────────────── */
.setting-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--muted2)
}
.setting-row:last-child{border-bottom:none}
.setting-label{font-size:13px;font-weight:600;color:var(--text)}
.setting-desc{font-size:11px;color:var(--muted);margin-top:2px}

/* ── SCROLLBAR ────────────────────────────── */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}

/* ── TWO-COL RESPONSIVE GRID ──────────────── */
.two-col-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
@media(max-width:700px){.two-col-grid{grid-template-columns:1fr}}

/* ── MOBILE OVERLAY ───────────────────────── */
@media(max-width:768px){
  /* dark overlay behind sidebar when open */
  .admin-root:not(.sidebar-closed)::after{
    content:'';position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:150;
    pointer-events:none
  }
  /* sidebar on top of overlay */
  .sidebar{z-index:200}
  /* topbar adjustments */
  .topbar{padding:10px 12px;gap:8px}
  .topbar-info .topbar-sub{display:none}
  /* hide non-essential topbar items on mobile */
  .topbar-right .icon-btn:not(#themeBtn){display:none}
  /* keep theme btn always visible */
  #themeBtn{display:flex!important}
  /* touch-friendly button sizes */
  .btn,.icon-btn,.menu-btn,.btn-logout,.btn-logout-top{min-height:44px}
  .btn-sm{min-height:36px}
  /* filter bar stacks vertically */
  .filter-bar{flex-direction:column!important}
  /* transaction filters full width */
  #txFrom,#txTo,#txSearch,#txMin{width:100%!important}
  /* camera: single column */
  .camera-two-col{grid-template-columns:1fr!important}
  /* modal full-width on mobile */
  .modal-box{padding:18px;border-radius:10px}
  /* metric values slightly smaller */
  .metric-value{font-size:22px}
  /* card headers wrap */
  .card-header{gap:6px}
  /* tab bar scrolls horizontally */
  .tab-bar{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  /* setting rows stack on small screens */
  .setting-row{flex-direction:column;align-items:flex-start;gap:10px}
}

/* ── TOAST MOBILE ─────────────────────────── */
@media(max-width:500px){
  /* toasts go full-width at bottom */
  body > div[style*="position:fixed"][style*="bottom:24px"]{
    left:12px!important;right:12px!important;max-width:none!important
  }
}

/* ── PRODUCT STATS BAR ────────────────────── */
@media(max-width:700px){
  /* 5-column stats bar → 2 columns */
  div[style*="grid-template-columns:repeat(5,1fr)"]{
    grid-template-columns:repeat(2,1fr)!important
  }
}

/* ── HELPERS ──────────────────────────────── */
.hidden{display:none!important}
.empty-state{
  display:flex;flex-direction:column;align-items:center;
  justify-content:center;padding:60px 20px;color:var(--muted);gap:10px;text-align:center
}
.empty-state i{font-size:44px;opacity:.3}
.empty-state div{font-size:14px}
.section-title{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}
.flex-between{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.gap-8{gap:8px}
code{background:var(--card2);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:11px;color:var(--muted)}

/* ═══════════════════════════════════════════════════════════
   NAVEGAÇÃO POR GRUPOS (sidebar)
   Cada grupo abre e fecha. A altura animada usa max-height em vez
   de height porque o número de itens varia por grupo e por permissão.
   ═══════════════════════════════════════════════════════════ */
.nav-group{border-bottom:1px solid var(--border)}
.nav-group:last-child{border-bottom:none}

.nav-group-head{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:11px 16px;background:none;border:none;cursor:pointer;
  color:var(--muted2);font-family:inherit;font-size:10px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;text-align:left;
  transition:color .12s,background .12s
}
.nav-group-head:hover{color:var(--text);background:rgba(255,255,255,.03)}
body.light .nav-group-head:hover{background:rgba(0,0,0,.03)}

.nav-group-icon{width:16px;text-align:center;font-size:12px;flex-shrink:0}
.nav-group-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Ponto verde: marca o grupo que contém a página aberta, mesmo fechado */
.nav-group-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  flex-shrink:0;box-shadow:0 0 6px var(--accent)
}
.nav-group-dot.hidden{display:none}

.nav-group-caret{
  font-size:9px;flex-shrink:0;transition:transform .18s ease;opacity:.6
}
.nav-group.open .nav-group-caret{transform:rotate(180deg)}

.nav-group-body{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease,opacity .18s ease;
  opacity:0
}
.nav-group.open .nav-group-body{max-height:420px;opacity:1}

/* Itens dentro do grupo: recuados e com um fio guia à esquerda */
.nav-group-body .nav-item{
  padding-left:30px;font-size:12.5px;border-left:3px solid transparent
}
.nav-group-body .nav-item::before{
  content:'';position:absolute;left:22px;top:0;bottom:0;
  width:1px;background:var(--border)
}
.nav-group-body .nav-item.active::before{background:var(--accent)}

/* Sidebar recolhida: some o texto, ficam só os ícones dos grupos */
.sidebar-closed .nav-group-label,
.sidebar-closed .nav-group-caret,
.sidebar-closed .nav-item span{display:none}
.sidebar-closed .nav-group-body{max-height:none;opacity:1;overflow:visible}
.sidebar-closed .nav-group-body .nav-item{padding-left:16px;justify-content:center}
.sidebar-closed .nav-group-body .nav-item::before{display:none}

@media (max-width:768px){
  .nav-group.open .nav-group-body{max-height:520px}
}