/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --bg: #EEF1EF;
  --surface: #FFFFFF;
  --surface-alt: #F5F7F6;
  --border: #DCE2DE;
  --border-strong: #C4CDC7;

  --text-primary: #16231D;
  --text-secondary: #5C6B63;
  --text-muted: #8A968F;

  --accent: #0F6B47;
  --accent-hover: #0B5137;
  --accent-soft: #E4F1EA;

  --warning: #B5720A;
  --warning-soft: #FBF0DE;
  --danger: #B3261E;
  --danger-soft: #FBEAE9;

  --sidebar-bg: #10231C;
  --sidebar-text: #C9D6CF;
  --sidebar-text-muted: #7C8F84;
  --sidebar-active-bg: #16352A;

  --radius-sm: 6px;
  --radius-md: 10px;
  --shadow-modal: 0 20px 50px rgba(10, 20, 15, 0.35);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.5;
}

.hidden { display: none !important; }

svg.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ============================================================
   Login
   ============================================================ */
#login-screen {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sidebar-bg);
}

.login-box {
  background: var(--surface);
  padding: 40px 36px;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.login-box h1 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
select {
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--surface);
}

#calc-resumo-table input[type="text"],
#calc-resumo-table input[type="number"] {
  padding: 4px 8px;
  font-size: 11px;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-box input { margin: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--surface-alt); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--surface-alt); color: var(--text-primary); }

.error {
  color: var(--danger);
  font-size: 11.5px;
  min-height: 4px;
  white-space: pre-wrap;
}

/* ============================================================
   App shell
   ============================================================ */
#app-screen {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 264px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-3);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: var(--space-2) var(--space-2) var(--space-5);
}

.sidebar-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.sidebar-header-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.sidebar-header-text strong {
  color: #fff;
  font-size: 13px;
}

.sidebar-header-text span {
  color: var(--sidebar-text-muted);
  font-size: 10.5px;
}

.sidebar nav { flex: 1; overflow-y: auto; }

.nav-group { margin-bottom: 2px; }

.nav-group-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: none;
  background: transparent;
  color: var(--sidebar-text);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
}

.nav-group-toggle:hover { background: rgba(255,255,255,0.05); }

.nav-group-toggle .chevron {
  margin-left: auto;
  transition: transform 0.15s ease;
}

.nav-group.open .nav-group-toggle .chevron { transform: rotate(90deg); }

.nav-group-items {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.18s ease;
  padding-left: 12px;
}

.nav-group.open .nav-group-items { max-height: 300px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 12px;
  margin: 1px 0;
  cursor: pointer;
  border-left: 2px solid transparent;
}

.nav-item:hover { background: rgba(255,255,255,0.06); }

.nav-item.active {
  background: var(--sidebar-active-bg);
  color: #fff;
  border-left-color: var(--accent);
}

.nav-item.leaf { padding-left: 14px; font-size: 11.5px; }

.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-3);
  margin-top: var(--space-3);
}

/* Top bar + content */
.app-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: 60px;
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
}

.topbar-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.topbar-subtitle { font-size: 11.5px; color: var(--text-secondary); }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}

.content-scroll {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
}

.view { max-width: 1200px; }

.view-intro { color: var(--text-secondary); font-size: 12.5px; margin-bottom: var(--space-5); max-width: 640px; }

/* ============================================================
   Cards / panels
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.card-title { font-size: 13.5px; font-weight: 700; }
.card-header-actions { display: flex; gap: var(--space-2); align-items: center; }

/* Search / toolbar */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  min-width: 220px;
  flex: 1;
  max-width: 320px;
}

.search-input-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input-wrap input {
  width: 100%;
  padding-left: 32px;
}

.table-meta { font-size: 11.5px; color: var(--text-muted); margin-left: auto; }

/* ============================================================
   Tables
   ============================================================ */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 12px;
}

thead th {
  text-align: left;
  padding: 7px 14px;
  background: var(--surface-alt);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}

th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--text-primary); }
th .sort-arrow { margin-left: 4px; opacity: 0.5; font-size: 9px; }
th.sort-active .sort-arrow { opacity: 1; color: var(--accent); }

tbody td {
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-alt); }
tbody tr.clickable { cursor: pointer; }

tfoot td {
  padding: 6px 14px;
  border-top: 2px solid var(--border-strong);
  background: var(--surface-alt);
  color: var(--text-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}

.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-neutral { background: var(--surface-alt); color: var(--text-secondary); }

.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

.icon-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.icon-btn:hover { background: var(--surface-alt); color: var(--text-primary); }
.icon-btn.icon-btn-accent { color: var(--accent); border-color: var(--accent-soft); }
.icon-btn.icon-btn-accent:hover { background: var(--accent-soft); }

.pagination {
  margin-top: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11.5px;
  color: var(--text-secondary);
}

.empty-state {
  padding: var(--space-6) var(--space-4);
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* ============================================================
   Forms (modal forms)
   ============================================================ */
.form-grid { display: flex; flex-direction: column; gap: var(--space-4); }

.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 11.5px; font-weight: 600; color: var(--text-secondary); }
.form-field .hint-text { font-size: 10.5px; color: var(--text-muted); }

.result-box {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  white-space: pre-wrap;
}
.result-box.success { background: var(--accent-soft); color: var(--accent-hover); border: 1px solid #BFE1D0; }
.result-box.error-box { background: var(--danger-soft); color: var(--danger); border: 1px solid #F2C6C3; }

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 20, 16, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  max-width: 1100px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-modal);
}

.modal-content.modal-narrow { max-width: 460px; }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.modal-header h2 { font-size: 15px; font-weight: 700; }
.modal-header p { font-size: 11.5px; color: var(--text-secondary); margin-top: 3px; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
}
.modal-close:hover { background: var(--surface-alt); color: var(--text-primary); }

.modal-section-title { font-size: 12px; font-weight: 700; margin: var(--space-4) 0 var(--space-3); }
.modal-section-title:first-child { margin-top: 0; }

/* Loading indicator */
.loading-line { color: var(--text-secondary); font-size: 11.5px; padding: var(--space-2) 0; }

/* Calculadora: ícone de ajuda, destaque de linhas e tooltip de fórmula */
.calc-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface-alt);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 9px;
  font-weight: 700;
  cursor: help;
  margin-left: 4px;
  user-select: none;
}
.calc-help:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Cores de destaque (mesmo esquema usado no tooltip) */
#calc-resumo-table tr.calc-hl-a > td,
#calc-situacao-table tr.calc-hl-a > td {
  background: #E4F1EA !important;
  box-shadow: inset 3px 0 0 0 var(--accent);
}
#calc-resumo-table tr.calc-hl-b > td,
#calc-situacao-table tr.calc-hl-b > td {
  background: #FBF0DE !important;
  box-shadow: inset 3px 0 0 0 var(--warning);
}
#calc-resumo-table tr.calc-hl-c > td,
#calc-situacao-table tr.calc-hl-c > td {
  background: #EDE7FB !important;
  box-shadow: inset 3px 0 0 0 #6B46C1;
}

.calc-tooltip {
  position: fixed;
  z-index: 2000;
  max-width: 320px;
  background: var(--text-primary);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  line-height: 1.5;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  pointer-events: none;
}
.calc-tooltip strong { display: block; margin-bottom: 4px; font-size: 11px; color: #fff; }

.calc-tooltip .hl-a { color: #6EE7B7; font-weight: 700; }
.calc-tooltip .hl-b { color: #FBBF24; font-weight: 700; }
.calc-tooltip .hl-c { color: #C4B5FD; font-weight: 700; }

/* Cabeçalhos de grupo dentro da tabela Resumo da Calculadora */
#calc-resumo-table tr.calc-group-header td {
  background: var(--surface-alt);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  padding-top: 7px;
  padding-bottom: 4px;
}

/* Célula de valor com ícone de ajuda alinhado à direita, na ponta */
.calc-td-right {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}