/* ============================================================
   RH Gestão — Design System
   Estética: industrial/refinada — clean sem ser genérico
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

:root {
  /* Cores */
  --color-bg:          #F5F4F1;
  --color-surface:     #FFFFFF;
  --color-surface-2:   #FAFAF8;
  --color-border:      #E4E2DC;
  --color-border-strong: #C8C5BC;

  --color-text:        #1A1916;
  --color-text-muted:  #6B6860;
  --color-text-faint:  #A09D96;

  --color-primary:     #1F4E79;
  --color-primary-hover: #174069;
  --color-primary-light: #E8F0F8;

  --color-accent:      #C0522A;
  --color-accent-light: #FAF0EB;

  --color-success:     #2A7A4B;
  --color-success-light: #EBF5F0;
  --color-warning:     #8A5C00;
  --color-warning-light: #FEF7E8;
  --color-danger:      #9B2335;
  --color-danger-light: #FBECEE;
  --color-info:        #1F4E79;
  --color-info-light:  #E8F0F8;

  /* Sidebar */
  --sidebar-bg:        #141210;
  --sidebar-text:      #C8C5BC;
  --sidebar-active:    #FFFFFF;
  --sidebar-hover-bg:  #252320;
  --sidebar-width:     240px;

  /* Tipografia */
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'DM Mono', monospace;

  /* Espaçamento */
  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;

  /* Sombras */
  --shadow-sm:  0 1px 2px rgba(0,0,0,.06);
  --shadow:     0 2px 8px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.10);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid #2A2825;
}

.sidebar-logo .brand {
  font-size: 1rem;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: -.01em;
}

.sidebar-logo .brand span {
  color: var(--color-accent);
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-section {
  padding: 8px 16px 4px;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #4A4845;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: .875rem;
  color: var(--sidebar-text);
  transition: background .15s, color .15s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--sidebar-hover-bg);
  color: #FFFFFF;
  text-decoration: none;
}

.nav-item.active {
  color: var(--sidebar-active);
  background: var(--sidebar-hover-bg);
  font-weight: 500;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  width: 3px;
  height: 32px;
  background: var(--color-accent);
  border-radius: 0 2px 2px 0;
}

.nav-item { position: relative; }

.nav-icon {
  width: 16px;
  height: 16px;
  opacity: .7;
  flex-shrink: 0;
}

.nav-item.active .nav-icon,
.nav-item:hover .nav-icon { opacity: 1; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid #2A2825;
  font-size: .8rem;
  color: #4A4845;
}

.sidebar-footer .user-name {
  color: var(--sidebar-text);
  font-weight: 500;
  font-size: .85rem;
}

.sidebar-footer .user-role {
  font-size: .75rem;
  color: #4A4845;
  text-transform: capitalize;
}

/* ============================================================
   Conteúdo Principal
   ============================================================ */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 28px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-body {
  padding: 28px;
  flex: 1;
}

/* ============================================================
   Cards e Superfícies
   ============================================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================
   Botões
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  font-family: var(--font-sans);
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #FFFFFF;
}

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

.btn-danger {
  background: var(--color-danger);
  color: #FFFFFF;
  border-color: var(--color-danger);
}
.btn-danger:hover { opacity: .9; color: #FFFFFF; }

.btn-sm {
  padding: 5px 12px;
  font-size: .8rem;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

/* ============================================================
   Formulários
   ============================================================ */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: .825rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-size: .875rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31,78,121,.1);
}

.form-control::placeholder { color: var(--color-text-faint); }

select.form-control { cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 90px; }

.form-hint {
  font-size: .775rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: .775rem;
  color: var(--color-danger);
  margin-top: 4px;
}

.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ============================================================
   Tabelas
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

.table th {
  text-align: left;
  padding: 10px 14px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
  white-space: nowrap;
}

.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

.table tbody tr:hover { background: var(--color-surface-2); }
.table tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   Badges / Status
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  font-size: .72rem;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: .02em;
  white-space: nowrap;
}

.badge-success  { background: var(--color-success-light); color: var(--color-success); }
.badge-warning  { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger   { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-info     { background: var(--color-info-light);    color: var(--color-info); }
.badge-neutral  { background: var(--color-bg); color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ============================================================
   Flash Messages
   ============================================================ */
.flash {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: .875rem;
  border-left: 3px solid transparent;
}

.flash-success {
  background: var(--color-success-light);
  color: var(--color-success);
  border-color: var(--color-success);
}
.flash-error {
  background: var(--color-danger-light);
  color: var(--color-danger);
  border-color: var(--color-danger);
}
.flash-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
  border-color: var(--color-warning);
}
.flash-info {
  background: var(--color-info-light);
  color: var(--color-info);
  border-color: var(--color-info);
}

/* ============================================================
   Paginação
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 20px;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: .825rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all .15s;
  text-decoration: none;
}

.page-link:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

.page-link.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 600;
}

/* ============================================================
   Alertas de vencimento / atenção
   ============================================================ */
.alert-expiry {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--color-warning);
  font-weight: 500;
}

/* ============================================================
   Stats / KPIs
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -.02em;
  line-height: 1;
}

.stat-change {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  margin: 20px;
  overflow: hidden;
}

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
}

.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================================================
   Utilitários
   ============================================================ */
.text-muted   { color: var(--color-text-muted); }
.text-faint   { color: var(--color-text-faint); }
.text-danger  { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-sm      { font-size: .825rem; }
.text-xs      { font-size: .75rem; }
.font-mono    { font-family: var(--font-mono); }
.font-medium  { font-weight: 500; }
.font-semibold { font-weight: 600; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2        { gap: 8px; }
.gap-3        { gap: 12px; }
.mt-1         { margin-top: 4px; }
.mt-2         { margin-top: 8px; }
.mt-3         { margin-top: 12px; }
.mt-4         { margin-top: 16px; }
.mb-4         { margin-bottom: 16px; }
.mb-6         { margin-bottom: 24px; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
}

.empty-state p { font-size: .9rem; margin-top: 8px; }

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

.login-box {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -.03em;
}

.login-logo h1 span { color: var(--color-accent); }

.login-logo p {
  font-size: .825rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .page-body { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
}