/* =========================================================
   Sistema de Requisição de Materiais — protótipo (dados fictícios)
   Temas claro e escuro via variáveis. Paleta de dados validada.
   ========================================================= */
:root {
  color-scheme: light;
  --page:            #f9f9f7;
  --surface:         #fcfcfb;
  --ink:             #0b0b0b;
  --ink-2:           #52514e;
  --muted:           #898781;
  --grid:            #e1e0d9;
  --baseline:        #c3c2b7;
  --border:          rgba(11,11,11,0.10);

  --series-1:        #2a78d6;  /* azul — série principal */
  --series-2:        #eb6834;  /* laranja — 2º contexto sequencial */
  --st-good:         #0ca30c;
  --st-warning:      #fab219;
  --st-serious:      #ec835a;
  --st-critical:     #d03b3b;
  --st-recebido:     #4a3aa7;  /* violeta — entrega confirmada */
  --delta-good-text: #006300;

  --accent:          #2a78d6;
  --accent-dark:     #1c5cab;

  --btn-bg:          #efeeea;
  --btn-bg-hover:    #e6e5df;
  --input-bg:        #ffffff;
  --hover-wash:      rgba(11,11,11,.045);
  --obs-bg:          rgba(11,11,11,.035);

  --badge-pendente-fg:  #7a5200;
  --badge-separacao-fg: #1c5cab;
  --badge-atendido-fg:  #006300;
  --badge-recebido-fg:  #3d2fa0;
  --badge-cancelado-fg: #52514e;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(11,11,11,.05), 0 4px 16px rgba(11,11,11,.06);
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page:            #0d0d0d;
  --surface:         #1a1a19;
  --ink:             #ffffff;
  --ink-2:           #c3c2b7;
  --muted:           #898781;
  --grid:            #2c2c2a;
  --baseline:        #383835;
  --border:          rgba(255,255,255,0.10);

  --series-1:        #3987e5;
  --series-2:        #d95926;
  --st-recebido:     #9085e9;
  --delta-good-text: #0ca30c;

  --accent:          #3987e5;
  --accent-dark:     #5598e7;

  --btn-bg:          #262624;
  --btn-bg-hover:    #31312e;
  --input-bg:        #232322;
  --hover-wash:      rgba(255,255,255,.06);
  --obs-bg:          rgba(255,255,255,.05);

  --badge-pendente-fg:  #fab219;
  --badge-separacao-fg: #86b6ef;
  --badge-atendido-fg:  #4fc24f;
  --badge-recebido-fg:  #b0a8f0;
  --badge-cancelado-fg: #c3c2b7;

  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* Durante a troca de tema, tudo transiciona suavemente (classe temporária via JS) */
html.theme-anim, html.theme-anim *, html.theme-anim *::before, html.theme-anim *::after {
  transition: background-color .5s ease, background .5s ease, color .5s ease,
              border-color .5s ease, box-shadow .5s ease, opacity .6s ease !important;
}
body {
  font-family: var(--font);
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
}
.hidden { display: none !important; }
button { font-family: inherit; }
h1, h2, h3 { margin: 0; }

/* ===== Botões ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent; border-radius: 8px;
  padding: 8px 14px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: background .12s, border-color .12s;
  background: var(--btn-bg); color: var(--ink);
}
.btn:hover { background: var(--btn-bg-hover); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-success { background: var(--st-good); color: #fff; }
.btn-success:hover { background: #0a8a0a; }
.btn-confirm { background: var(--st-recebido); color: #fff; }
.btn-confirm:hover { filter: brightness(1.12); }
.btn-danger-ghost { background: transparent; border-color: var(--st-critical); color: var(--st-critical); }
.btn-danger-ghost:hover { background: rgba(208,59,59,.08); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--ink-2); }
.btn-ghost:hover { background: var(--hover-wash); }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== Login — arte à esquerda (logos sempre visíveis), acesso à direita.
   A arte acompanha o tema: versão clara no modo claro, escura no modo escuro. ===== */
.login-screen {
  min-height: 100vh; display: flex; align-items: stretch;
  background: var(--page);
}
.login-art {
  flex: 1; min-height: 100vh; position: relative; overflow: hidden;
  background: #fbfbfb;
  transition: background-color .6s ease;
}
/* as duas artes ficam empilhadas e se cruzam em fade na troca de tema */
.login-art::before, .login-art::after {
  content: ""; position: absolute; inset: 0;
  background-position: center; background-repeat: no-repeat; background-size: cover;
  transition: opacity .6s ease;
}
.login-art::before { background-image: url("../img/login-bg-light.png"); opacity: 1; }
.login-art::after  { background-image: url("../img/login-bg-dark.png");  opacity: 0; }
:root[data-theme="dark"] .login-art { background-color: #0a0a0c; }
:root[data-theme="dark"] .login-art::before { opacity: 0; }
:root[data-theme="dark"] .login-art::after  { opacity: 1; }
.login-side {
  width: min(580px, 100%); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 28px; background: var(--page);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}
.login-card {
  width: 100%; max-width: 520px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 40px 44px; position: relative;
}
.login-card .field input { padding: 11px 13px; font-size: 15px; }
.login-card .btn-primary.btn-block { padding: 11px 14px; font-size: 15px; }
@media (max-width: 900px) {
  .login-screen { flex-direction: column; }
  .login-art { flex: none; min-height: 0; height: 200px; }
  .login-art::before, .login-art::after { background-size: contain; }
  .login-side { width: 100%; flex: 1; border-left: 0; border-top: 1px solid var(--border); }
}
.login-theme-toggle {
  position: absolute; top: 16px; right: 16px; z-index: 2;
  font-size: 17px; padding: 7px 12px; line-height: 1;
}
.login-brand { text-align: center; margin-bottom: 26px; }
.login-brand h1 { font-size: 24px; margin-top: 4px; }
.login-sub { color: var(--ink-2); margin: 6px 0 0; font-size: 13px; }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 11px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--baseline); border-radius: 8px; background: var(--input-bg); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(42,120,214,.35); border-color: var(--accent);
}
.login-erro {
  background: rgba(208,59,59,.08); color: var(--st-critical);
  border: 1px solid rgba(208,59,59,.3); border-radius: 8px;
  padding: 8px 10px; font-size: 13px; margin-bottom: 12px;
}
.login-demo { margin-top: 22px; border-top: 1px solid var(--grid); padding-top: 16px; }
.login-demo-title { font-size: 12px; color: var(--muted); margin: 0 0 10px; }
.login-demo-title code { background: var(--btn-bg); padding: 1px 5px; border-radius: 4px; }
.login-demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.demo-account {
  text-align: left; border: 1px solid var(--border); background: var(--input-bg);
  border-radius: 8px; padding: 8px 10px; cursor: pointer; font-size: 12px; color: var(--ink);
}
.demo-account:hover { border-color: var(--accent); background: rgba(42,120,214,.07); }
.demo-account b { display: block; font-size: 12px; }
.demo-account span { color: var(--muted); font-size: 10.5px; word-break: break-all; }
.login-demo-hint { font-size: 11.5px; color: var(--muted); margin: 0; line-height: 1.6; }
.login-switch { font-size: 13px; color: var(--muted); text-align: center; margin: 14px 0 0; }
.linklike {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--accent); font: inherit; font-weight: 600; text-decoration: underline;
}
.linklike:hover { opacity: .85; }
.sel-sm {
  border: 1px solid var(--border); background: var(--input-bg); color: var(--ink);
  border-radius: 6px; padding: 4px 6px; font-size: 12px;
}

/* ===== Shell ===== */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--surface);
  border-right: 1px solid var(--grid);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px 14px; border-bottom: 1px solid var(--grid); }
.sidebar-logo { font-size: 24px; }
.sidebar-title { font-size: 13px; font-weight: 700; line-height: 1.25; }
.nav { flex: 1; padding: 10px 8px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 9px 10px; border: 0; background: transparent; border-radius: 8px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-2); cursor: pointer; text-align: left;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--hover-wash); color: var(--ink); }
.nav-item.active { background: rgba(42,120,214,.13); color: var(--accent-dark); }
.nav-item .nav-badge {
  margin-left: auto; background: var(--st-critical); color: #fff;
  font-size: 11px; font-weight: 700; border-radius: 999px; padding: 1px 7px;
}
.sidebar-footer { border-top: 1px solid var(--grid); padding: 12px; }
.conn-status { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--st-good); }
.conn-off .conn-dot { background: var(--st-critical); }
.user-box { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--accent);
  color: #fff; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.user-nome { font-size: 13px; font-weight: 700; }
.user-meta { font-size: 11.5px; color: var(--muted); }
.sidebar-actions { display: flex; gap: 8px; }
.sidebar-actions .btn { flex: 1; }

.main { flex: 1; min-width: 0; padding: 24px 28px; }

/* Fundo da área logada: arte da empresa do usuário, acompanhando o tema.
   Alinhado ao topo/esquerda para a logo (canto superior esquerdo da arte)
   ficar sempre visível na área de conteúdo. */
/* A arte fica FIXA na janela (o conteúdo rola por cima dela), sempre na
   proporção original — nunca distorce e nunca "acaba" ao descer a página. */
.app-shell.bg-toyota .main,
.app-shell.bg-ttsteel .main { position: relative; }
.app-shell.bg-toyota .main::before,
.app-shell.bg-ttsteel .main::before {
  content: ""; position: fixed; top: 0; right: 0; bottom: 0; left: 232px;
  z-index: 0; pointer-events: none;
  background-repeat: no-repeat; background-position: left top;
  background-color: #f7f7f6;
}
:root[data-theme="dark"] .app-shell.bg-toyota .main::before,
:root[data-theme="dark"] .app-shell.bg-ttsteel .main::before { background-color: #0d0d0d; }

.app-shell.bg-toyota .main::before {
  background-image: url("../img/bg-toyota-light.png");
  background-size: auto 100%;
}
:root[data-theme="dark"] .app-shell.bg-toyota .main::before {
  background-image: url("../img/bg-toyota-dark.png");
}

/* A arte da TT Steel tem a logo desenhada bem maior — entra reduzida (68%)
   com esfumado radial, sem corte seco. */
.app-shell.bg-ttsteel .main::before {
  background-image: url("../img/bg-ttsteel-light.png");
  background-size: auto 68%;
  /* esfumado dimensionado em vh (mesma unidade da arte): o fade sempre
     termina ANTES da borda da imagem, em qualquer tamanho de janela */
  -webkit-mask-image: radial-gradient(130vh 92vh at 0% 0%, #000 42%, transparent 70%);
          mask-image: radial-gradient(130vh 92vh at 0% 0%, #000 42%, transparent 70%);
}
:root[data-theme="dark"] .app-shell.bg-ttsteel .main::before {
  background-image: url("../img/bg-ttsteel-dark.png");
}

.app-shell.bg-toyota .view,
.app-shell.bg-ttsteel .view { position: relative; z-index: 1; }
.sidebar { z-index: 2; }
@media (max-width: 760px) {
  .app-shell.bg-toyota .main::before,
  .app-shell.bg-ttsteel .main::before { left: 0; }
}
/* faixa da logo proporcional à altura da tela (a arte escala junto) */
.app-shell.bg-toyota .view,
.app-shell.bg-ttsteel .view { padding-top: clamp(100px, 19vh, 210px); }
.view { max-width: 1100px; margin: 0 auto; }
.offline-banner {
  background: rgba(250,178,25,.15); border: 1px solid rgba(250,178,25,.5);
  color: var(--badge-pendente-fg); border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-weight: 600;
}

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h2 { font-size: 20px; }
.page-head .page-sub { color: var(--ink-2); font-size: 13px; margin-top: 3px; }

/* ===== Cards ===== */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px;
}
.card + .card { margin-top: 16px; }
.card h3 { font-size: 14px; margin-bottom: 12px; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-title-row h3 { margin-bottom: 0; }

/* ===== Badges de situação (ícone + rótulo, nunca só cor) ===== */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 700; border-radius: 999px; padding: 3px 10px;
  white-space: nowrap;
}
.badge-pendente     { background: rgba(250,178,25,.16);  color: var(--badge-pendente-fg); }
.badge-em_separacao { background: rgba(42,120,214,.14);  color: var(--badge-separacao-fg); }
.badge-atendido     { background: rgba(12,163,12,.14);   color: var(--badge-atendido-fg); }
.badge-recebido     { background: rgba(116,101,220,.16); color: var(--badge-recebido-fg); }
.badge-cancelado    { background: var(--hover-wash);     color: var(--badge-cancelado-fg); }

/* ===== Tabelas ===== */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); font-weight: 700; padding: 8px 10px; border-bottom: 1px solid var(--grid);
  white-space: nowrap;
}
.tbl td { padding: 9px 10px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl-empty { color: var(--muted); text-align: center; padding: 28px 10px !important; }

/* ===== Formulários ===== */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.form-actions { margin-top: 16px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.req { color: var(--st-critical); }

/* Filtro de modelo (materiais) — chips clicáveis */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.model-chip {
  border: 1px solid var(--baseline); background: var(--input-bg); color: var(--ink-2);
  border-radius: 999px; padding: 7px 16px; font-size: 13.5px; font-weight: 700;
  cursor: pointer; transition: background .12s, color .12s, border-color .12s;
}
.model-chip:hover { border-color: var(--accent); color: var(--ink); }
.model-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Ícones SVG inline */
.ic { display: inline-block; vertical-align: -3px; flex-shrink: 0; }
.btn .ic { vertical-align: -2.5px; }

/* ===== Fila de atendimento ===== */
.queue-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.order-card {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--baseline);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 16px; margin-bottom: 12px;
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
}
.order-card.s-pendente     { border-left-color: var(--st-warning); }
.order-card.s-em_separacao { border-left-color: var(--series-1); }
.order-card.s-atendido     { border-left-color: var(--st-good); }
.order-card.s-recebido     { border-left-color: var(--st-recebido); }
.order-card.s-cancelado    { border-left-color: var(--baseline); opacity: .75; }
.order-card.flash { animation: flash-in 2.4s ease-out; }
@keyframes flash-in {
  0%   { background: rgba(250,178,25,.28); transform: translateY(-4px); }
  100% { background: var(--surface); transform: none; }
}
.order-main { flex: 1; min-width: 220px; }
.order-id { font-size: 12px; color: var(--muted); font-weight: 700; }
.order-mat { font-size: 15px; font-weight: 700; margin: 2px 0; }
.order-meta { font-size: 12.5px; color: var(--ink-2); }
.order-entrega {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  background: rgba(42,120,214,.09); border-radius: 6px; padding: 4px 9px;
}
.order-qty { font-size: 18px; font-weight: 700; min-width: 90px; text-align: center; }
.order-qty span { display: block; font-size: 11px; color: var(--muted); font-weight: 600; }
.order-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.order-obs { width: 100%; font-size: 12.5px; color: var(--ink-2); background: var(--obs-bg); border-radius: 6px; padding: 6px 9px; }

/* ===== Linha do tempo ===== */
.timeline { list-style: none; margin: 8px 0 0; padding: 0 0 0 4px; }
.timeline li { position: relative; padding: 0 0 12px 20px; font-size: 12.5px; color: var(--ink-2); }
.timeline li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--baseline);
}
.timeline li::after {
  content: ""; position: absolute; left: 4px; top: 15px; bottom: -2px; width: 1px; background: var(--grid);
}
.timeline li:last-child::after { display: none; }
.timeline li.t-atendido::before { background: var(--st-good); }
.timeline li.t-em_separacao::before { background: var(--series-1); }
.timeline li.t-pendente::before { background: var(--st-warning); }
.timeline li.t-recebido::before { background: var(--st-recebido); }
.timeline li.t-cancelado::before { background: var(--st-critical); }
.timeline b { color: var(--ink); }

/* ===== Painel — filtros / KPI / gráficos ===== */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.filters .field { margin-bottom: 0; min-width: 150px; flex: 1; max-width: 210px; }
.filters .field select { padding: 7px 9px; font-size: 13px; }

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.kpi-label { font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.kpi-value { font-size: 28px; font-weight: 650; margin-top: 4px; }
.kpi-delta { font-size: 12px; font-weight: 700; margin-top: 3px; }
.kpi-delta.up-good, .kpi-delta.down-good { color: var(--delta-good-text); }
.kpi-delta.up-bad, .kpi-delta.down-bad { color: var(--st-critical); }
.kpi-delta.neutral { color: var(--muted); }
.kpi-hint { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; min-width: 0; }
.chart-card.span-2 { grid-column: span 2; }
.chart-card h3 { font-size: 13.5px; margin-bottom: 2px; }
.chart-card .chart-sub { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.chart-body { min-height: 60px; }
/* só o SVG do gráfico ocupa a largura toda — os ícones (.ic) da legenda
   mantêm o tamanho definido em width/height, senão ficam gigantes */
.chart-body svg:not(.ic) { display: block; width: 100%; height: auto; }
.chart-body .ic { width: 12px; height: 12px; }
.chart-empty { color: var(--muted); font-size: 13px; padding: 30px 0; text-align: center; }
@media (max-width: 900px) {
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card.span-2 { grid-column: span 1; }
}

.chart-tooltip {
  position: fixed; z-index: 50; pointer-events: none;
  background: #0b0b0b; color: #fff; font-size: 12px; line-height: 1.4;
  border-radius: 7px; padding: 7px 10px; box-shadow: 0 4px 14px rgba(0,0,0,.35);
  max-width: 260px; border: 1px solid rgba(255,255,255,.14);
}
.chart-tooltip .tt-title { font-weight: 700; }
.chart-tooltip .tt-row { display: flex; align-items: center; gap: 6px; }
.chart-tooltip .tt-swatch { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; font-size: 12.5px; color: var(--ink-2); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.legend-item b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ===== Admin ===== */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--grid); margin-bottom: 16px; }
.tab {
  border: 0; background: transparent; padding: 9px 14px; font-size: 13.5px; font-weight: 600;
  color: var(--ink-2); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--accent-dark); border-bottom-color: var(--accent); }
.pill { font-size: 11.5px; font-weight: 700; border-radius: 999px; padding: 2px 9px; background: var(--hover-wash); color: var(--ink-2); }
.pill-on  { background: rgba(12,163,12,.14); color: var(--badge-atendido-fg); }
.pill-off { background: rgba(208,59,59,.12); color: var(--st-critical); }

/* ===== Toasts ===== */
.toast-root { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #0b0b0b; color: #fff; border-radius: 8px; padding: 10px 16px;
  font-size: 13px; font-weight: 600; box-shadow: 0 6px 18px rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.14);
  animation: toast-in .18s ease-out;
}
.toast-success { background: #0a7d0a; }
.toast-error { background: var(--st-critical); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ===== Responsivo ===== */
@media (max-width: 760px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: column; }
  .nav { display: flex; flex-wrap: wrap; padding: 6px; }
  .nav-item { width: auto; }
  .main { padding: 16px; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
}