/* ====== Reset & base ====== */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

:root {
  --bg: #f5f7fb;
  --bg-card: #ffffff;
  --bg-soft: #f0f3f8;
  --border: #e3e8f0;
  --border-strong: #cdd5e1;
  --text: #1a2233;
  --text-muted: #5b6779;
  --text-soft: #8593a8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --success: #16a34a;
  --success-soft: #dcfce7;
  --warning: #d97706;
  --warning-soft: #fef3c7;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --info: #0284c7;
  --info-soft: #e0f2fe;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.05);
  --shadow: 0 4px 12px rgba(15,23,42,.06);
  --shadow-lg: 0 12px 32px rgba(15,23,42,.12);
  --radius: 10px;
  --radius-lg: 14px;
  --sidebar-w: 250px;
}

.hidden { display: none !important; }

button { font-family: inherit; }
input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 9px 12px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}
textarea { resize: vertical; min-height: 70px; }

label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
label > input, label > select, label > textarea { margin-top: 4px; }

/* ====== Botões ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--bg-soft); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.btn-block { width: 100%; }
.icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--text); }

/* ====== Login ====== */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 20px 60px rgba(15,23,42,.3);
}
.login-brand { text-align: center; margin-bottom: 28px; }
.login-brand h1 { margin: 12px 0 4px; font-size: 24px; }
.login-brand p { margin: 0; color: var(--text-muted); font-size: 13px; }
.logo-img {
  max-width: 100%;
  height: auto;
  max-height: 120px;
  margin-bottom: 8px;
}
.logo-img-sidebar {
  max-width: 100%;
  height: auto;
  max-height: 90px;
  background: #fff;
  border-radius: 8px;
  padding: 6px 10px;
}
.login-form button { margin-top: 8px; }
.error-msg { color: var(--danger); font-size: 13px; margin: 8px 0 0; min-height: 18px; }
.login-hint {
  margin-top: 20px;
  padding: 10px 12px;
  background: var(--info-soft);
  color: var(--info);
  border-radius: 8px;
  font-size: 12px;
  text-align: center;
}

/* ====== App layout ====== */
.app {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: var(--sidebar-w);
  background: #1a2233;
  color: #d1d8e6;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  padding: 20px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand-title { color: #fff; font-weight: 600; font-size: 15px; }
.brand-subtitle { color: #8593a8; font-size: 11px; }

.company-selector {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.company-selector select {
  background: rgba(255,255,255,.05);
  color: #fff;
  border-color: rgba(255,255,255,.1);
}
.company-selector select option { color: #1a2233; }
.company-label {
  font-size: 11px;
  color: #8593a8;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 6px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 2px;
  border-radius: 8px;
  color: #c8d2e3;
  cursor: pointer;
  font-size: 14px;
  transition: background .12s, color .12s;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: rgba(99,102,241,.2); color: #fff; }
.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-section {
  font-size: 11px;
  color: #5b6779;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 14px 14px 6px;
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a78bfa);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
}
.user-name { color: #fff; font-size: 13px; font-weight: 500; }
.user-role { color: #8593a8; font-size: 11px; }

.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h2 { margin: 0; font-size: 18px; flex: 1; }
.topbar-actions { display: flex; gap: 8px; }
.content { padding: 24px; flex: 1; }

/* ====== Cards ====== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.card-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  flex: 1;
}
.card-body { padding: 20px; }

/* ====== Tabelas ====== */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  background: var(--bg-soft);
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: .4px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(99,102,241,.03); }
.table-actions { display: flex; gap: 4px; justify-content: flex-end; }
.empty-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-soft);
}
.empty-state h4 { color: var(--text); margin: 0 0 6px; }

/* ====== Badges ====== */
.badge {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  letter-spacing: .3px;
  text-transform: uppercase;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger  { background: var(--danger-soft);  color: var(--danger); }
.badge-info    { background: var(--info-soft);    color: var(--info); }
.badge-muted   { background: var(--bg-soft);      color: var(--text-muted); }

/* ====== Forms ====== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px 18px;
}
.form-grid label.full { grid-column: 1 / -1; }
.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: 18px;
}

/* ====== Filtros ====== */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}
.filters input, .filters select { width: auto; min-width: 180px; }

/* ====== Stats ====== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.stat-icon.primary { background: var(--primary-soft); color: var(--primary); }
.stat-icon.success { background: var(--success-soft); color: var(--success); }
.stat-icon.warning { background: var(--warning-soft); color: var(--warning); }
.stat-icon.info    { background: var(--info-soft);    color: var(--info); }
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-value { font-size: 22px; font-weight: 700; color: var(--text); margin-top: 2px; }
.stat-sub   { font-size: 11px; color: var(--text-soft); margin-top: 2px; }

/* ====== Calculadora ====== */
.calc-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}
.calc-result-row {
  display: flex; justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.calc-result-row:last-child { border-bottom: none; }
.calc-result-row.total {
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  border-top: 2px solid var(--primary);
  padding-top: 12px;
  margin-top: 8px;
  border-bottom: none;
}
.calc-section {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}
.calc-section h4 {
  margin: 0 0 12px;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: .5px;
}
.mode-toggle {
  display: inline-flex;
  background: var(--bg-soft);
  padding: 4px;
  border-radius: 9px;
  margin-bottom: 14px;
}
.mode-toggle button {
  background: transparent;
  border: none;
  padding: 7px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.mode-toggle button.active {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.insumo-row {
  display: grid;
  grid-template-columns: 1fr 100px 36px;
  gap: 8px;
  margin-bottom: 6px;
  align-items: center;
}

/* ====== Modal ====== */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(2px);
}
.modal {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  z-index: 1;
}
.modal.modal-lg { max-width: 880px; }
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.modal-header h3 { margin: 0; font-size: 16px; flex: 1; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.modal-footer:empty { display: none; }

/* ====== Toast ====== */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 16px;
  background: var(--text);
  color: #fff;
  border-radius: 9px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  font-size: 14px;
  max-width: 360px;
  transform: translateY(20px);
  opacity: 0;
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }

/* ====== Helpers ====== */
.muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex-wrap { flex-wrap: wrap; }
.justify-between { justify-content: space-between; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 14px; }
.mb-4 { margin-bottom: 20px; }
.mt-3 { margin-top: 14px; }
.w-full { width: 100%; }

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-muted);
  margin: 18px 0 10px;
}

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

/* ====== Responsive ====== */
@media (max-width: 900px) {
  .calc-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 0 0 40px rgba(0,0,0,.3);
  }
  .sidebar.open { transform: translateX(0); }
  .topbar { padding: 12px 16px; }
  .content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 18px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .filters input, .filters select { min-width: 0; flex: 1; }
  .form-grid { grid-template-columns: 1fr; gap: 12px; }
  .mode-toggle { display: flex; flex-direction: column; width: 100%; gap: 6px; }
  .mode-toggle button { width: 100%; text-align: center; }
  .card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* hide menu toggle on desktop */
@media (min-width: 769px) {
  #menu-toggle { display: none; }
}

/* scroll utilities */
.sidebar-nav::-webkit-scrollbar,
.modal-body::-webkit-scrollbar,
.table-wrap::-webkit-scrollbar { width: 8px; height: 8px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 4px; }
.modal-body::-webkit-scrollbar-thumb,
.table-wrap::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }