/* ============================================================
   UchatBot v5 — Components
   Nomes de classe antigos mantidos + componentes novos.
   ============================================================ */
.material-symbols-outlined { font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24; user-select: none; }

/* Page Header */
.uc-page-header { display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:24px; flex-wrap:wrap; gap:16px; }
.uc-page-title { font-size:22px; font-weight:700; color:var(--uc-text); letter-spacing:-0.02em; line-height:1.25; }
.uc-page-subtitle { font-size:13.5px; color:var(--uc-text-2); margin-top:2px; }
.uc-page-actions { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.uc-breadcrumb { display:flex; align-items:center; gap:6px; font-size:12.5px; color:var(--uc-text-dim); margin-bottom:6px; }
.uc-breadcrumb a { color:var(--uc-text-dim); }
.uc-breadcrumb a:hover { color:var(--uc-primary); }

/* Cards */
.card { background:var(--uc-surface); border:1px solid var(--uc-border); border-radius:var(--uc-radius-lg); overflow:hidden; box-shadow:var(--uc-shadow-sm); transition:background-color .25s ease, border-color .25s ease; }
.card-header { display:flex; justify-content:space-between; align-items:center; gap:12px; padding:16px 20px; border-bottom:1px solid var(--uc-border); }
.card-title { font-size:14.5px; font-weight:600; color:var(--uc-text); letter-spacing:-0.01em; }
.card-subtitle { font-size:12.5px; color:var(--uc-text-dim); margin-top:1px; }
.card-body { padding:20px; }
.card-footer { padding:12px 20px; border-top:1px solid var(--uc-border); display:flex; justify-content:flex-end; gap:10px; }

/* Stats */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--uc-surface); border:1px solid var(--uc-border); border-radius:var(--uc-radius-lg); padding:18px 20px; box-shadow:var(--uc-shadow-sm); transition:border-color .15s, box-shadow .15s, background-color .25s; }
.stat-card:hover { border-color:var(--uc-border-strong); box-shadow:var(--uc-shadow-md); }
.stat-card-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:10px; }
.stat-icon { width:38px; height:38px; border-radius:var(--uc-radius-sm); display:flex; align-items:center; justify-content:center; }
.stat-icon .material-symbols-outlined { font-size:20px; }
.stat-icon.primary { background:var(--uc-primary-bg); color:var(--uc-primary); }
.stat-icon.success { background:var(--uc-success-bg); color:var(--uc-success); }
.stat-icon.warning { background:var(--uc-warning-bg); color:var(--uc-warning); }
.stat-icon.danger  { background:var(--uc-danger-bg);  color:var(--uc-danger); }
.stat-icon.info    { background:var(--uc-info-bg);    color:var(--uc-info); }
.stat-icon.purple  { background:var(--uc-purple-bg);  color:var(--uc-purple); }
.stat-icon.orange  { background:var(--uc-orange-bg);  color:var(--uc-orange); }
.stat-trend { font-size:11px; font-weight:700; padding:2px 8px; border-radius:20px; }
.stat-trend.up { background:var(--uc-success-bg); color:var(--uc-success); }
.stat-trend.down { background:var(--uc-danger-bg); color:var(--uc-danger); }
.stat-trend.stable { background:var(--uc-surface-2); color:var(--uc-text-muted); }
.stat-label { font-size:12px; font-weight:600; color:var(--uc-text-2); letter-spacing:.02em; }
.stat-value { font-size:25px; font-weight:700; color:var(--uc-text); letter-spacing:-0.02em; line-height:1.15; font-variant-numeric:tabular-nums; }

/* Trend chips (novo) */
.trend { display:inline-flex; align-items:center; gap:2px; font-size:12px; font-weight:700; border-radius:999px; padding:1px 8px; }
.trend .material-symbols-outlined { font-size:14px; }
.trend.up   { background:var(--uc-success-bg); color:var(--uc-success); }
.trend.down { background:var(--uc-danger-bg);  color:var(--uc-danger); }
.trend.flat { background:var(--uc-surface-2);  color:var(--uc-text-dim); }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:7px; padding:8px 16px; border-radius:var(--uc-radius-sm); font-size:13.5px; font-weight:600; border:1px solid transparent; cursor:pointer; transition:background .15s, border-color .15s, color .15s, box-shadow .15s; text-decoration:none; white-space:nowrap; font-family:inherit; }
.btn .material-symbols-outlined { font-size:18px; }
.btn-primary { background:var(--uc-primary); color:var(--uc-on-primary); box-shadow:var(--uc-shadow-sm); }
.btn-primary:hover { background:var(--uc-primary-hover); color:var(--uc-on-primary); }
.btn-primary:active { background:var(--uc-primary-active); }
.btn-success { background:var(--uc-success); color:#fff; }
.btn-success:hover { filter:brightness(1.08); color:#fff; }
.btn-warning { background:var(--uc-warning); color:#fff; }
.btn-warning:hover { filter:brightness(1.08); color:#fff; }
.btn-danger { background:var(--uc-danger); color:#fff; }
.btn-danger:hover { filter:brightness(1.08); color:#fff; }
.btn-danger-soft { background:var(--uc-danger-bg); color:var(--uc-danger); border-color:var(--uc-danger-border); }
.btn-secondary { background:var(--uc-surface); color:var(--uc-text); border:1px solid var(--uc-border-strong); box-shadow:var(--uc-shadow-sm); }
.btn-secondary:hover { background:var(--uc-surface-2); color:var(--uc-text); }
.btn-outline { background:var(--uc-surface); border:1px solid var(--uc-border-strong); color:var(--uc-text); box-shadow:var(--uc-shadow-sm); }
.btn-outline:hover { background:var(--uc-surface-2); border-color:var(--uc-border-strong); color:var(--uc-text); }
.btn-ghost { background:transparent; color:var(--uc-text-2); border-color:transparent; box-shadow:none; }
.btn-ghost:hover { background:var(--uc-surface-2); color:var(--uc-text); }
.btn-sm { padding:5px 12px; font-size:12.5px; }
.btn-sm .material-symbols-outlined { font-size:16px; }
.btn-lg { padding:11px 22px; font-size:14.5px; }
.btn:disabled { opacity:.55; cursor:not-allowed; }
.btn-group { display:flex; gap:8px; flex-wrap:wrap; }

/* Icon button (novo) */
.icon-btn { width:34px; height:34px; border-radius:var(--uc-radius-sm); display:inline-flex; align-items:center; justify-content:center; border:none; background:transparent; color:var(--uc-text-2); cursor:pointer; transition:background .15s; text-decoration:none; }
.icon-btn:hover { background:var(--uc-surface-2); color:var(--uc-text); }
.icon-btn .material-symbols-outlined { font-size:19px; }

/* Avatar (novo) */
.avatar { width:34px; height:34px; border-radius:50%; background:var(--uc-primary-bg); color:var(--uc-primary); display:inline-flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; flex-shrink:0; border:1px solid var(--uc-primary-border); }
.avatar.sm { width:28px; height:28px; font-size:11px; }
.avatar.lg { width:42px; height:42px; font-size:16px; }

/* Forms */
.form-group { margin-bottom:16px; }
.form-label { display:block; font-size:13px; font-weight:600; margin-bottom:6px; color:var(--uc-text); }
.form-control { width:100%; padding:8px 12px; background:var(--uc-surface); border:1px solid var(--uc-border-strong); border-radius:var(--uc-radius-sm); color:var(--uc-text); font-size:13.5px; font-family:inherit; transition:border-color .15s, box-shadow .15s, background-color .25s; }
.form-control:hover { border-color:var(--uc-text-dim); }
.form-control:focus { outline:none; border-color:var(--uc-primary); box-shadow:0 0 0 3px var(--uc-primary-bg); }
.form-control::placeholder { color:var(--uc-text-dim); }
textarea.form-control { resize:vertical; min-height:80px; }
select.form-control, .form-select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 10px center; padding-right:32px; }
.form-hint { font-size:12px; color:var(--uc-text-dim); margin-top:4px; }
input[type="checkbox"] { width:16px; height:16px; accent-color:var(--uc-primary); cursor:pointer; }
input[type="radio"] { accent-color:var(--uc-primary); cursor:pointer; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.input-icon { position:relative; }
.input-icon > .material-symbols-outlined { position:absolute; left:10px; top:50%; transform:translateY(-50%); font-size:18px; color:var(--uc-text-dim); pointer-events:none; }
.input-icon .form-control { padding-left:36px; }

/* Switch (novo) */
.switch { position:relative; display:inline-flex; align-items:center; gap:10px; cursor:pointer; user-select:none; }
.switch input { position:absolute; opacity:0; width:0; height:0; }
.switch .track { width:38px; height:22px; border-radius:999px; background:var(--uc-border-strong); transition:background .2s; flex-shrink:0; position:relative; }
.switch .track::after { content:''; position:absolute; top:3px; left:3px; width:16px; height:16px; border-radius:50%; background:#fff; box-shadow:var(--uc-shadow-sm); transition:transform .2s; }
.switch input:checked + .track { background:var(--uc-primary); }
.switch input:checked + .track::after { transform:translateX(16px); }
.switch input:focus-visible + .track { outline:2px solid var(--uc-primary); outline-offset:2px; }
.switch .switch-label { font-size:13.5px; font-weight:500; color:var(--uc-text); }

/* Badges */
.badge { display:inline-flex; align-items:center; gap:5px; padding:1px 9px; border-radius:999px; font-size:11px; font-weight:600; white-space:nowrap; line-height:1.7; border:1px solid transparent; letter-spacing:.02em; }
.badge-primary { background:var(--uc-primary-bg); color:var(--uc-primary); border-color:var(--uc-primary-border); }
.badge-success { background:var(--uc-success-bg); color:var(--uc-success); border-color:var(--uc-success-border); }
.badge-warning { background:var(--uc-warning-bg); color:var(--uc-warning); border-color:var(--uc-warning-border); }
.badge-danger  { background:var(--uc-danger-bg);  color:var(--uc-danger);  border-color:var(--uc-danger-border); }
.badge-info    { background:var(--uc-info-bg);    color:var(--uc-info);    border-color:var(--uc-info-border); }
.badge-purple  { background:var(--uc-purple-bg);  color:var(--uc-purple);  border-color:var(--uc-purple-border); }
.badge-orange  { background:var(--uc-orange-bg);  color:var(--uc-orange);  border-color:var(--uc-orange-border); }
.badge-neutral { background:var(--uc-surface-2);  color:var(--uc-text-2);  border-color:var(--uc-border); }

/* Tables */
.table-container { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:13.5px; }
thead { background:var(--uc-surface-2); }
th { padding:10px 16px; font-size:11.5px; font-weight:700; color:var(--uc-text-dim); text-transform:uppercase; letter-spacing:0.06em; text-align:left; border-bottom:1px solid var(--uc-border); white-space:nowrap; }
td { padding:12px 16px; font-size:13.5px; border-bottom:1px solid var(--uc-border); vertical-align:middle; color:var(--uc-text); }
tbody tr { transition:background .12s; }
tbody tr:hover { background:var(--uc-surface-2); }
.td-main { font-weight:600; color:var(--uc-text); }
.td-sub { display:block; font-size:12px; color:var(--uc-text-dim); font-weight:400; }
.cell-user { display:flex; align-items:center; gap:10px; }
.row-actions { display:flex; gap:4px; justify-content:flex-end; }

/* Paginação (novo) */
.pagination { display:flex; align-items:center; justify-content:space-between; padding:12px 20px; border-top:1px solid var(--uc-border); font-size:12.5px; color:var(--uc-text-dim); }
.pagination .pages { display:flex; gap:4px; }
.page-btn { min-width:30px; height:30px; padding:0 8px; border-radius:var(--uc-radius-sm); border:1px solid transparent; background:transparent; color:var(--uc-text-2); font:inherit; font-size:12.5px; font-weight:600; cursor:pointer; display:inline-flex; align-items:center; justify-content:center; }
.page-btn:hover { background:var(--uc-surface-2); }
.page-btn.active { background:var(--uc-primary); color:var(--uc-on-primary); }

/* Alerts */
.alert { padding:12px 16px; border-radius:var(--uc-radius); margin-bottom:16px; font-size:13.5px; display:flex; align-items:center; gap:8px; border:1px solid transparent; }
.alert-success { background:var(--uc-success-bg); color:var(--uc-success); border-color:var(--uc-success-border); }
.alert-danger { background:var(--uc-danger-bg); color:var(--uc-danger); border-color:var(--uc-danger-border); }
.alert-warning { background:var(--uc-warning-bg); color:var(--uc-warning); border-color:var(--uc-warning-border); }
.alert-info { background:var(--uc-info-bg); color:var(--uc-info); border-color:var(--uc-info-border); }

/* Modals */
.modal-backdrop { display:none; position:fixed; inset:0; background:rgba(15,23,42,.5); backdrop-filter:blur(3px); z-index:1000; align-items:center; justify-content:center; padding:20px; }
[data-theme="dark"] .modal-backdrop { background:rgba(0,0,0,.65); }
.modal-backdrop.active { display:flex; animation:uc-fadeIn .18s ease; }
.modal { background:var(--uc-surface); border:1px solid var(--uc-border); border-radius:var(--uc-radius-lg); width:100%; max-width:560px; max-height:90vh; overflow-y:auto; box-shadow:var(--uc-shadow-lg); animation:uc-slideUp .22s ease; }
.modal-header { display:flex; justify-content:space-between; align-items:center; padding:16px 20px; border-bottom:1px solid var(--uc-border); }
.modal-header h3 { font-size:15px; font-weight:600; color:var(--uc-text); }
.modal-body { padding:20px; }
.modal-footer { display:flex; justify-content:flex-end; gap:10px; padding:14px 20px; border-top:1px solid var(--uc-border); }
.close-btn { background:none; border:none; color:var(--uc-text-muted); font-size:20px; cursor:pointer; line-height:1; padding:4px; border-radius:4px; }
.close-btn:hover { color:var(--uc-text); background:var(--uc-surface-2); }
@keyframes uc-fadeIn { from { opacity:0; } }
@keyframes uc-slideUp { from { opacity:0; transform:translateY(14px); } }

/* Grids */
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.grid-2-1 { display:grid; grid-template-columns:2fr 1fr; gap:16px; }

/* List items */
.list-item { display:flex; justify-content:space-between; align-items:center; padding:12px 16px; background:var(--uc-surface); border-radius:var(--uc-radius); margin-bottom:8px; border:1px solid var(--uc-border); transition:border-color .15s, box-shadow .15s; }
.list-item:hover { border-color:var(--uc-border-strong); box-shadow:var(--uc-shadow-sm); }
.list-item-info { flex:1; min-width:0; }
.list-item-info strong { display:block; margin-bottom:2px; color:var(--uc-text); font-size:14px; }
.list-item-info small { color:var(--uc-text-muted); font-size:12px; }
.list-item-actions { display:flex; gap:6px; flex-shrink:0; margin-left:12px; }

/* Tabs */
.tabs { display:flex; gap:4px; border-bottom:1px solid var(--uc-border); margin-bottom:20px; overflow-x:auto; }
.tab { padding:9px 14px; font-size:13.5px; font-weight:600; color:var(--uc-text-2); border-bottom:2px solid transparent; cursor:pointer; white-space:nowrap; background:none; border-top:none; border-left:none; border-right:none; transition:all .15s; font-family:inherit; margin-bottom:-1px; display:inline-flex; align-items:center; gap:7px; }
.tab .material-symbols-outlined { font-size:17px; }
.tab:hover { color:var(--uc-text); }
.tab.active { color:var(--uc-primary); border-bottom-color:var(--uc-primary); }

/* Segmented control (novo) */
.segmented { display:inline-flex; background:var(--uc-surface-2); border:1px solid var(--uc-border); border-radius:var(--uc-radius-sm); padding:3px; gap:2px; }
.segmented button, .segmented a { font:inherit; font-size:12.5px; font-weight:600; border:none; background:transparent; color:var(--uc-text-2); padding:5px 14px; border-radius:5px; cursor:pointer; transition:all .15s; text-decoration:none; }
.segmented button.active, .segmented a.active { background:var(--uc-surface); color:var(--uc-text); box-shadow:var(--uc-shadow-sm); }

/* Status */
.status-indicator { display:inline-flex; align-items:center; gap:6px; padding:5px 14px; border-radius:20px; font-size:13px; font-weight:600; border:1px solid transparent; }
.status-connected { background:var(--uc-success-bg); color:var(--uc-success); border-color:var(--uc-success-border); }
.status-disconnected { background:var(--uc-danger-bg); color:var(--uc-danger); border-color:var(--uc-danger-border); }

/* Login */
.login-container { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px; background:var(--uc-bg); }
.login-card { background:var(--uc-surface); border:1px solid var(--uc-border); border-radius:var(--uc-radius-lg); padding:40px; width:100%; max-width:400px; box-shadow:var(--uc-shadow-lg); position:relative; }
.login-logo { text-align:center; margin-bottom:28px; }
.login-logo h1 { font-size:22px; font-weight:700; color:var(--uc-text); letter-spacing:-.02em; }
.login-logo small { display:block; font-size:10.5px; color:var(--uc-text-dim); text-transform:uppercase; letter-spacing:0.08em; margin-top:2px; font-weight:600; }
.login-logo p { color:var(--uc-text-muted); font-size:13.5px; margin-top:8px; }

/* Empty state */
.empty-state { text-align:center; padding:40px 20px; color:var(--uc-text-muted); }
.empty-state p { font-size:14px; }
.empty-state .material-symbols-outlined { font-size:40px; display:block; margin:0 auto 10px; opacity:.5; }

/* QR Code */
.qr-container { display:flex; align-items:center; justify-content:center; min-height:200px; }
.qr-container img { max-width:280px; border-radius:8px; background:#fff; padding:8px; }

/* Progress (novo) */
.progress { height:7px; background:var(--uc-surface-3); border-radius:999px; overflow:hidden; }
.progress > span { display:block; height:100%; border-radius:999px; background:var(--uc-primary); transition:width .4s ease; }
.progress > span.success { background:var(--uc-success); }
.progress > span.warning { background:var(--uc-warning); }
.progress > span.danger  { background:var(--uc-danger); }

/* Chart wrapper (obrigatório para Chart.js responsivo) */
.chart-box { position:relative; height:260px; width:100%; }
.chart-box.sm { height:180px; }

/* Toast (novo) */
.toast-wrap { position:fixed; bottom:24px; right:24px; z-index:2000; display:flex; flex-direction:column; gap:10px; }
.toast { display:flex; align-items:center; gap:10px; background:var(--uc-surface); border:1px solid var(--uc-border); border-left:3px solid var(--uc-success); border-radius:var(--uc-radius); padding:12px 16px; box-shadow:var(--uc-shadow-lg); font-size:13.5px; font-weight:500; animation:uc-slideUp .25s ease; min-width:260px; color:var(--uc-text); }
.toast.error { border-left-color:var(--uc-danger); }
.toast .material-symbols-outlined { color:var(--uc-success); }
.toast.error .material-symbols-outlined { color:var(--uc-danger); }

/* Skeleton (novo) */
.skeleton { background:linear-gradient(90deg, var(--uc-surface-2) 25%, var(--uc-surface-3) 50%, var(--uc-surface-2) 75%); background-size:200% 100%; animation:uc-shimmer 1.4s infinite; border-radius:var(--uc-radius-sm); }
@keyframes uc-shimmer { to { background-position:-200% 0; } }

/* Divider / kbd (novo) */
.divider { height:1px; background:var(--uc-border); margin:16px 0; border:0; }
.kbd { font-family:inherit; font-size:11px; font-weight:600; color:var(--uc-text-2); background:var(--uc-surface-2); border:1px solid var(--uc-border-strong); border-bottom-width:2px; border-radius:5px; padding:1px 6px; }

/* Info line (novo) */
.info-line { display:flex; justify-content:space-between; gap:10px; font-size:13px; padding:5px 0; }
.info-line span:first-child { color:var(--uc-text-muted); }
.info-line span:last-child { font-weight:500; text-align:right; color:var(--uc-text); }

/* Utilities */
.mt-1{margin-top:8px} .mt-2{margin-top:16px} .mt-3{margin-top:24px}
.mb-1{margin-bottom:8px} .mb-2{margin-bottom:16px} .mb-3{margin-bottom:24px}
.text-center{text-align:center} .text-muted{color:var(--uc-text-muted)}
.text-sm{font-size:12.5px}
.text-success{color:var(--uc-success)} .text-danger{color:var(--uc-danger)}
.text-warning{color:var(--uc-warning)} .text-primary{color:var(--uc-primary)}
.d-flex{display:flex} .gap-1{gap:8px} .gap-2{gap:16px} .flex-wrap{flex-wrap:wrap}
.align-center{align-items:center} .justify-between{justify-content:space-between}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.w-full{width:100%}
.hidden{display:none!important}

/* Responsive */
@media(max-width:1200px){.grid-2-1{grid-template-columns:1fr}}
@media(max-width:1024px){.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
  .grid-3{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .uc-page-header{flex-direction:column;align-items:flex-start}
  .stats-grid{grid-template-columns:1fr 1fr}
  table{font-size:12px} th,td{padding:8px 12px}
  .modal{max-width:100%;margin:10px}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .login-card{padding:24px}
  .btn-group{flex-direction:column}
}