@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font: 'Inter', system-ui, sans-serif;
  --bg-app: #f0fdf4;
  --sidebar-bg: #14532d;
  --sidebar-text: #dcfce7;
  --sidebar-muted: #86efac;
  --sidebar-active: rgba(34, 197, 94, 0.25);
  --surface: #ffffff;
  --text: #14532d;
  --text-secondary: #166534;
  --text-muted: #4b5563;
  --accent: #16a34a;
  --accent-soft: #dcfce7;
  --accent-hover: #15803d;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --warning: #d97706;
  --warning-soft: #fef3c7;
  --success: #16a34a;
  --success-soft: #dcfce7;
  --info: #2563eb;
  --border: #bbf7d0;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(20, 83, 45, 0.08);
  --sidebar-width: 260px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); font-size: 0.9375rem; line-height: 1.5; background: var(--bg-app); color: var(--text); }
a { color: var(--accent-hover); text-decoration: none; }
a:hover { color: var(--accent); }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--accent); color: #fff; padding: 0.5rem 1rem; border-radius: 6px; z-index: 200; }

/* —— Login (padrão gestao-sst / iotec.eng.br) —— */
html:has(body.login-page) {
  height: 100%;
}
body.login-page {
  min-height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(22, 163, 74, 0.35), transparent),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(20, 83, 45, 0.35), transparent),
    linear-gradient(160deg, #052e16 0%, #14532d 55%, #052e16 100%);
}
.login-wrap {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.login-brand { text-align: center; color: #e2e8f0; margin-bottom: 1.5rem; }
.login-brand-badge {
  display: block;
  width: 56px; height: 56px; object-fit: cover;
  border-radius: 12px; margin: 0 auto 1rem;
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.45);
  background: #fff;
}
.login-brand h1 { margin: 0 0 0.5rem; font-size: 1.5rem; font-weight: 700; color: #fff; }
.login-brand p { margin: 0; font-size: 0.9rem; color: #86efac; line-height: 1.45; }
.login-card {
  background: #fff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #14532d;
}
.login-card-title { margin: 0 0 1.25rem; font-size: 1.1rem; font-weight: 600; color: #14532d; }
.login-form { display: grid; gap: 1rem; }
.login-field { display: flex; flex-direction: column; gap: 0.4rem; }
.login-field label { font-size: 0.85rem; font-weight: 600; color: #166534; }
.login-field input {
  width: 100%; box-sizing: border-box; min-height: 2.75rem;
  padding: 0.65rem 0.85rem; border: 1px solid #bbf7d0; border-radius: 10px;
  font: inherit; color: #14532d; background: #fff;
}
.login-field input:focus {
  outline: none; border-color: #16a34a; box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
}
.login-submit { width: 100%; justify-content: center; min-height: 2.85rem; margin-top: 0.25rem; }
.login-demo {
  margin-top: 1.25rem; padding: 0.75rem; background: #f0fdf4; border-radius: 8px;
  font-size: 0.8rem; color: #4b5563; text-align: center; line-height: 1.4;
}
.login-footer {
  margin-top: 1.5rem; text-align: center; font-size: 0.75rem;
  line-height: 1.5; color: rgba(220, 252, 231, 0.75);
}
.login-footer p { margin: 0.15rem 0; }
.login-footer a { color: #86efac; font-weight: 500; }
.login-footer a:hover { color: #bbf7d0; }

/* Shell */
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-width); background: var(--sidebar-bg); color: var(--sidebar-text); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; transition: transform 0.2s; }
.sidebar-header { padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 0.75rem; color: inherit; text-decoration: none; }
.brand-logo { width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0; }
.brand-icon { font-size: 1.5rem; }
.app-download-logo { display: block; margin: 0 auto 0.75rem; border-radius: 18px; box-shadow: var(--shadow); }
.brand-text { display: block; font-weight: 700; font-size: 0.95rem; }
.brand-sub { display: block; font-size: 0.7rem; opacity: 0.7; }
.nav-toggle { display: none; background: rgba(255,255,255,0.15); border: none; color: #fff; padding: 0.4rem 0.75rem; border-radius: 6px; cursor: pointer; }
.nav { flex: 1; overflow-y: auto; padding: 0.75rem; }
.nav-group { margin-bottom: 1rem; }
.nav-group-label { display: block; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.6; padding: 0.25rem 0.75rem; }
.nav-link { display: block; padding: 0.55rem 0.75rem; border-radius: 8px; color: var(--sidebar-text); font-size: 0.875rem; margin-bottom: 2px; }
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-link.active { background: var(--sidebar-active); color: #fff; font-weight: 600; }
.sidebar-footer { padding: 1rem; border-top: 1px solid rgba(255,255,255,0.1); }
.user-chip { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 0.8rem; }
.user-name { display: block; font-size: 0.85rem; font-weight: 600; }
.user-role { display: block; font-size: 0.7rem; opacity: 0.7; }
.logout-link { font-size: 0.8rem; opacity: 0.8; }

.main-area { flex: 1; margin-left: var(--sidebar-width); display: flex; flex-direction: column; min-height: 100vh; }
.topbar { padding: 1.25rem 1.5rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.page-title { margin: 0; font-size: 1.35rem; font-weight: 700; }
.page-subtitle { margin: 0.25rem 0 0; color: var(--text-muted); font-size: 0.875rem; }
.main-content { flex: 1; padding: 1.5rem; }
.app-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); background: var(--surface); }

.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 90; }

/* Cards & KPIs */
.card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 1.25rem; border: 1px solid var(--border); }
.card-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.card-header h2 { margin: 0; font-size: 1rem; font-weight: 600; }
.card-body { padding: 1.25rem; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi-card { background: var(--surface); border-radius: var(--radius); padding: 1rem 1.25rem; box-shadow: var(--shadow); border: 1px solid var(--border); position: relative; }
.kpi-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi-value { display: block; font-size: 1.35rem; font-weight: 700; margin-top: 0.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.25rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th, .data-table td { padding: 0.65rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { font-weight: 600; color: var(--text-secondary); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
.data-table tr:hover { background: var(--accent-soft); }
.row-warning { background: var(--warning-soft) !important; }
.row-danger { background: var(--danger-soft) !important; }

/* Badges & traffic lights */
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.7rem; font-weight: 600; background: #e5e7eb; color: #374151; }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: #dbeafe; color: var(--info); }
.traffic-light { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-left: 0.5rem; vertical-align: middle; }
.traffic-green { background: #22c55e; box-shadow: 0 0 6px #22c55e; }
.traffic-yellow { background: #eab308; box-shadow: 0 0 6px #eab308; }
.traffic-red { background: #ef4444; box-shadow: 0 0 6px #ef4444; }

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

/* Forms */
.form-stack { display: flex; flex-direction: column; gap: 1rem; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.form-label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; font-weight: 500; }
.form-input { padding: 0.6rem 0.75rem; border: 1px solid var(--border); border-radius: 8px; font: inherit; background: #fff; }
.form-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2); }
.form-actions { grid-column: 1 / -1; display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn { display: inline-flex; align-items: center; padding: 0.55rem 1.1rem; border-radius: 8px; font: inherit; font-weight: 600; font-size: 0.875rem; border: none; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: #e5e7eb; color: #374151; }
.btn-secondary:hover { background: #d1d5db; color: #111; }
.btn-block { width: 100%; justify-content: center; }

.page-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.filter-tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.filter-tabs a { padding: 0.4rem 0.9rem; border-radius: 999px; font-size: 0.85rem; background: var(--surface); border: 1px solid var(--border); color: var(--text-secondary); }
.filter-tabs a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.875rem; }
.alert-success { background: var(--success-soft); color: var(--success); }
.alert-danger, .alert-danger { background: var(--danger-soft); color: var(--danger); }
.alert-warning { background: var(--warning-soft); color: var(--warning); }
.alerts-bar { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }

.quick-links { display: flex; flex-direction: column; gap: 0.5rem; }
.quick-link { padding: 0.65rem 0.75rem; border-radius: 8px; background: var(--accent-soft); color: var(--accent-hover); font-weight: 500; }
.quick-link:hover { background: #bbf7d0; }

.indicator-list { display: flex; flex-direction: column; gap: 0.75rem; }
.indicator-row { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0; border-bottom: 1px solid var(--border); }

/* Dashboard levels */
.dashboard-level-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.dashboard-level-tabs a { padding: 0.45rem 1rem; border-radius: 999px; font-size: 0.85rem; font-weight: 600; background: var(--surface); border: 1px solid var(--border); color: var(--text-secondary); text-decoration: none; }
.dashboard-level-tabs a.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.dashboard-level-hint { font-size: 0.85rem; margin: -0.5rem 0 1rem; }
.kpi-value-sm { font-size: 1rem !important; }

.dashboard-prefs { margin-bottom: 1rem; border: 1px dashed var(--border); border-radius: var(--radius); padding: 0.75rem 1rem; background: #fafdfa; }
.dashboard-prefs summary { cursor: pointer; font-weight: 600; font-size: 0.875rem; color: var(--text-secondary); }
.dashboard-prefs-form { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; margin-top: 0.75rem; align-items: center; }
.dashboard-prefs-item { display: flex; align-items: center; gap: 0.35rem; font-size: 0.85rem; }

/* Heatmaps */
.heatmap-wrap { overflow-x: auto; }
.heatmap-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; text-align: center; }
.heatmap-table th, .heatmap-table td { padding: 0.5rem; border: 1px solid var(--border); }
.heatmap-table th:first-child, .heatmap-table td:first-child { text-align: left; font-weight: 600; }
.heat-none { background: #f0fdf4; color: #166534; }
.heat-low { background: #fef9c3; color: #854d0e; }
.heat-mid { background: #fed7aa; color: #9a3412; }
.heat-high { background: #fecaca; color: #991b1b; font-weight: 700; }
.heatmap-legend { font-size: 0.75rem; margin-top: 0.75rem; }

.stock-heatmap { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.5rem; }
.stock-heat-cell { border-radius: 8px; padding: 0.65rem; text-align: center; border: 1px solid rgba(0,0,0,0.06); }
.stock-heat-name { display: block; font-size: 0.7rem; font-weight: 600; line-height: 1.2; }
.stock-heat-pct { display: block; font-size: 1rem; font-weight: 700; margin-top: 0.25rem; }

.alert-info { background: #dbeafe; color: var(--info); }

.error-page { min-height: 100vh; display: grid; place-items: center; }
.error-card { text-align: center; padding: 2rem; }
.public-main { padding: 1rem; }

/* App download / QR */
.app-download-wrap { max-width: 420px; margin: 0 auto; padding: 0.5rem 0 2rem; }
.app-download-brand { text-align: center; margin-bottom: 1.25rem; }
.app-download-icon { font-size: 2.5rem; display: block; margin-bottom: 0.5rem; }
.app-download-brand h1 { margin: 0; color: var(--text); }
.app-download-brand p { color: var(--text-muted); margin: 0.35rem 0 0; }
.app-qr-card, .app-qr-panel { text-align: center; }
.app-qr-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.app-qr-card h2 { margin: 0 0 1rem; font-size: 1rem; }
.app-qr-frame { display: inline-block; padding: 0.75rem; background: #fff; border: 2px solid var(--border); border-radius: 12px; position: relative; }
.app-qr-with-logo .app-qr-logo-badge { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.15); pointer-events: none; }
.app-qr-url { font-size: 0.75rem; word-break: break-all; margin: 0.75rem 0 0; }
.app-qr-showcase { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: flex-start; justify-content: center; text-align: left; }
.app-qr-meta { flex: 1; min-width: 220px; }
.app-qr-meta .btn { margin: 0.35rem 0.35rem 0 0; }
.app-download-actions { margin-bottom: 1rem; }
.app-download-btn { justify-content: center; font-size: 1rem; padding: 0.85rem; }
.app-download-meta { text-align: center; font-size: 0.8rem; margin-top: 0.5rem; }
.app-download-info h3 { margin-top: 0; }
.app-steps { margin: 0.5rem 0 0; padding-left: 1.2rem; }
.app-steps li { margin: 0.35rem 0; }
.app-download-footer { text-align: center; font-size: 0.875rem; }
.code-block { background: #f0fdf4; padding: 1rem; border-radius: 8px; overflow: auto; font-size: 0.85rem; }

@media print {
  .sidebar, .topbar, .app-footer, .page-actions, .btn, nav, .dashboard-prefs { display: none !important; }
  .main-area { margin: 0 !important; }
  .app-qr-panel { break-inside: avoid; }
}

/* Responsive */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop[hidden] { display: none; }
  .sidebar-backdrop:not([hidden]) { display: block; }
  .main-area { margin-left: 0; }
  .nav-toggle { display: block; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .main-content { padding: 1rem; }
}