:root {
  --bg-base: #0b132b;
  --bg-surface: #0e1a38;
  --bg-surface-2: #122247;
  --bg-elevated: #16285a;
  --accent: #59ba7d;
  --accent-hover: #4da66e;
  --accent-soft: rgba(89, 186, 125, 0.12);
  --accent-border: rgba(89, 186, 125, 0.4);
  --text-primary: #f8f9fa;
  --text-secondary: #8892a0;
  --text-muted: #5d6675;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #59ba7d;
  --info: #3b82f6;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 { color: var(--text-primary); margin: 0 0 12px; font-weight: 700; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
.text-muted { color: var(--text-secondary); }
.text-small { font-size: 12px; }

/* Layout */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
}
.sidebar .brand {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.sidebar .brand .accent { color: var(--accent); }
.sidebar .empresa-nome {
  color: var(--text-secondary);
  font-size: 11px;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav a {
  color: var(--text-secondary);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: background 0.12s, color 0.12s;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.sidebar nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.sidebar nav .nav-section {
  color: var(--text-muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 18px 12px 6px;
  font-weight: 700;
}

.sidebar .user-card {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.sidebar .user-card .name { color: var(--text-primary); font-size: 13px; font-weight: 600; }
.sidebar .user-card .role { color: var(--text-secondary); font-size: 11px; text-transform: capitalize; }
.sidebar .user-card a { font-size: 12px; }

.main {
  flex: 1;
  padding: 24px 32px 40px;
  max-width: 100%;
  overflow-x: auto;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.page-header .title { font-size: 22px; font-weight: 700; }
.page-header .subtitle { color: var(--text-secondary); font-size: 13px; margin-top: 4px; }

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.card + .card { margin-top: 16px; }
.card h2 { font-size: 16px; margin-bottom: 4px; }
.card .card-sub { color: var(--text-secondary); font-size: 12px; margin-bottom: 18px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* KPI */
.kpi {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.kpi .label { color: var(--text-secondary); font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; }
.kpi .value { color: var(--accent); font-size: 26px; font-weight: 800; margin-top: 6px; }
.kpi .hint { color: var(--text-muted); font-size: 11px; margin-top: 6px; }

/* Forms */
label { display: block; color: var(--text-secondary); font-size: 12px; margin-bottom: 6px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], textarea, select {
  width: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-row { margin-bottom: 14px; }
.form-row + .form-actions { margin-top: 20px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s, transform 0.05s;
  font-family: inherit;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #04150c;
}
.btn-primary:hover { background: var(--accent-hover); color: #04150c; }
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.04); }
.btn-danger { background: var(--danger); color: white; }
.btn-block { width: 100%; }

/* Alerts */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 14px;
  border: 1px solid;
}
.alert-error  { background: rgba(239,68,68,0.08); color: #fca5a5; border-color: rgba(239,68,68,0.3); }
.alert-success{ background: var(--accent-soft);    color: var(--accent); border-color: var(--accent-border); }
.alert-info   { background: rgba(59,130,246,0.08); color: #93c5fd; border-color: rgba(59,130,246,0.3); }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table th {
  text-align: left;
  color: var(--text-secondary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}
table tr:hover td { background: rgba(255,255,255,0.02); }
table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Badge */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-accent  { background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-border); }
.badge-muted   { background: rgba(136,146,160,0.12); color: var(--text-secondary); }
.badge-warning { background: rgba(245,158,11,0.12); color: #fbbf24; }
.badge-danger  { background: rgba(239,68,68,0.12); color: #fca5a5; }

/* Login */
.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: radial-gradient(ellipse at top, #14254f 0%, #0b132b 60%);
}
.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.auth-card .brand {
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 4px;
}
.auth-card .brand .accent { color: var(--accent); }
.auth-card .sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
  margin-bottom: 26px;
}

/* Utilities */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none; }