/* ============================================================
   css/app.css — Design System completo
   Sistema de Gestão Produtora Tetto
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   1. Variáveis (tokens de design)
   ============================================================ */
:root {
  /* Paleta principal */
  --primary:       hsl(217 91% 60%);
  --primary-dark:  hsl(217 91% 50%);
  --primary-light: hsl(217 91% 70%);
  --primary-glow:  hsla(217, 91%, 60%, 0.2);

  /* Status */
  --success: hsl(158 64% 42%);
  --warning: hsl(38 92% 54%);
  --danger:  hsl(0 86% 62%);
  --info:    hsl(197 78% 52%);

  /* Neutros escuros */
  --bg:          hsl(222 47% 6%);
  --bg-2:        hsl(222 47% 9%);
  --bg-3:        hsl(222 47% 12%);
  --surface:     hsl(222 47% 14%);
  --surface-2:   hsl(222 47% 17%);
  --border:      hsla(220, 20%, 60%, 0.12);
  --border-2:    hsla(220, 20%, 60%, 0.22);

  /* Texto */
  --text:       hsl(210 40% 96%);
  --text-muted: hsl(215 20% 55%);
  --text-dim:   hsl(215 20% 40%);

  /* Sidebar */
  --sidebar-w:  260px;
  --topbar-h:   64px;

  /* Tokens */
  --radius:    0.75rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1.25rem;
  --shadow:    0 4px 24px hsla(0,0%,0%,.35);
  --shadow-sm: 0 2px 8px  hsla(0,0%,0%,.25);
  --trans:     0.22s cubic-bezier(.4,0,.2,1);
}

/* ============================================================
   2. Reset e base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

button { cursor: pointer; font-family: inherit; border: none; }

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================================
   3. Scrollbar customizada
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

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

/* ============================================================
   5. Sidebar
   ============================================================ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--trans);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  height: var(--topbar-h);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), hsl(270 80% 65%));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--primary-glow);
}

.sidebar-brand-text h2 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-brand-text span {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
}

.nav-section {
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
}

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  padding: 0.5rem 0.75rem 0.25rem;
  display: block;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--trans);
  position: relative;
}

.nav-item:hover {
  background: var(--surface);
  color: var(--text);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary-light);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 60%;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.nav-item i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 99px;
  min-width: 18px;
  text-align: center;
}

/* Sidebar footer */
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 1rem;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--trans);
  cursor: pointer;
}

.sidebar-user:hover { background: var(--surface); }

.sidebar-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), hsl(270 80% 65%));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: white;
  flex-shrink: 0;
}

.sidebar-user-info .name {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
}

.sidebar-user-info .role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

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

.topbar {
  height: var(--topbar-h);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-search {
  flex: 1;
  max-width: 400px;
}

.search-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.5rem 0.875rem;
  transition: border-color var(--trans);
}

.search-input:focus-within {
  border-color: var(--primary);
}

.search-input i { color: var(--text-dim); font-size: 0.9rem; }

.search-input input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.875rem;
  width: 100%;
}

.search-input input::placeholder { color: var(--text-dim); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.topbar-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: transparent;
  transition: all var(--trans);
  position: relative;
}

.topbar-btn:hover {
  background: var(--surface);
  color: var(--text);
}

.topbar-btn .badge {
  position: absolute;
  top: 5px; right: 5px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-2);
}

/* ============================================================
   7. Page content
   ============================================================ */
.page-content {
  flex: 1;
  padding: 1.5rem 2rem;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.page-breadcrumb a { color: var(--text-muted); }
.page-breadcrumb a:hover { color: var(--primary); }
.page-breadcrumb i { font-size: 0.65rem; }

/* ============================================================
   8. Cards
   ============================================================ */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--trans), box-shadow var(--trans);
}

.card:hover { border-color: var(--border-2); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: all var(--trans);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent, var(--primary));
  opacity: 0;
  transition: opacity var(--trans);
}

.kpi-card:hover { border-color: var(--border-2); box-shadow: var(--shadow); }
.kpi-card:hover::before { opacity: 1; }

.kpi-card.accent-success { --accent: var(--success); }
.kpi-card.accent-warning { --accent: var(--warning); }
.kpi-card.accent-danger  { --accent: var(--danger);  }
.kpi-card.accent-info    { --accent: var(--info);    }

.kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.875rem;
  background: var(--primary-glow);
  color: var(--primary);
}

.kpi-card.accent-success .kpi-icon { background: hsla(158,64%,42%,.15); color: var(--success); }
.kpi-card.accent-warning .kpi-icon { background: hsla(38,92%,54%,.15);  color: var(--warning); }
.kpi-card.accent-danger  .kpi-icon { background: hsla(0,86%,62%,.15);   color: var(--danger);  }
.kpi-card.accent-info    .kpi-icon { background: hsla(197,78%,52%,.15); color: var(--info);    }

.kpi-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ============================================================
   9. Tabelas
   ============================================================ */
.table-wrapper {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-filters {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  align-items: center;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: var(--bg-3);
  white-space: nowrap;
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: var(--surface); }

.table-actions { display: flex; gap: 0.375rem; justify-content: flex-end; }

/* Paginação */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  justify-content: space-between;
  flex-wrap: wrap;
}

.pagination-info { font-size: 0.8rem; color: var(--text-muted); }

.pagination-pages { display: flex; gap: 0.25rem; }

.page-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--trans);
}

.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ============================================================
   10. Formulários
   ============================================================ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  transition: all var(--trans);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: var(--bg-3);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

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

.form-control.error { border-color: var(--danger); }
.form-error { font-size: 0.775rem; color: var(--danger); margin-top: 0.25rem; }

select.form-control { cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 80px; }

/* Input com ícone */
.input-icon-group { position: relative; }
.input-icon-group .form-control { padding-left: 2.5rem; }
.input-icon-group .icon {
  position: absolute;
  left: 0.75rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.95rem;
  pointer-events: none;
}

/* ============================================================
   11. Botões
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--trans);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary-dark);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-2);
}

.btn-secondary:hover { background: var(--surface-2); }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { filter: brightness(1.1); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { filter: brightness(1.1); }

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

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-icon.btn-sm { width: 30px; height: 30px; }

/* ============================================================
   12. Badges / Status
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-success { background: hsla(158,64%,42%,.15); color: hsl(158 64% 55%); }
.badge-warning { background: hsla(38,92%,54%,.15);  color: hsl(38 92% 65%);  }
.badge-danger  { background: hsla(0,86%,62%,.15);   color: hsl(0 86% 72%);   }
.badge-info    { background: hsla(197,78%,52%,.15); color: hsl(197 78% 62%); }
.badge-neutral { background: var(--surface-2);      color: var(--text-muted);}
.badge-purple  { background: hsla(270,80%,65%,.15); color: hsl(270 80% 75%); }

/* ============================================================
   13. Alertas
   ============================================================ */
.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid;
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.alert-success { background: hsla(158,64%,42%,.1); border-color: var(--success); color: hsl(158 64% 70%); }
.alert-danger  { background: hsla(0,86%,62%,.1);   border-color: var(--danger);  color: hsl(0 86% 75%);   }
.alert-warning { background: hsla(38,92%,54%,.1);  border-color: var(--warning); color: hsl(38 92% 70%);  }
.alert-info    { background: hsla(197,78%,52%,.1); border-color: var(--info);   color: hsl(197 78% 70%); }

/* ============================================================
   14. Auth layout
   ============================================================ */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 50%, hsla(217,91%,60%,.12), transparent 40%),
    radial-gradient(circle at 85% 20%, hsla(270,80%,65%,.12), transparent 40%);
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.auth-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--primary), hsl(270 80% 60%));
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.08;
  animation: authFloat 12s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes authFloat {
  from { transform: translate(-20%,-20%) scale(1); }
  to   { transform: translate(20%,20%) scale(1.15); }
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  animation: slideUp 0.55s cubic-bezier(0.16,1,0.3,1) both;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0);     }
}

.auth-logo {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), hsl(270 80% 65%));
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: white;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 24px var(--primary-glow);
}

.auth-title { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; text-align: center; }
.auth-subtitle { color: var(--text-muted); font-size: 0.875rem; text-align: center; margin-top: 0.375rem; }

.auth-form { margin-top: 1.75rem; display: flex; flex-direction: column; gap: 1rem; }

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.auth-submit {
  width: 100%;
  padding: 0.875rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.auth-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.5rem 0;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span { font-size: 0.75rem; color: var(--text-dim); white-space: nowrap; }

/* ============================================================
   15. Dashboard grades
   ============================================================ */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.col-4  { grid-column: span 4;  }
.col-6  { grid-column: span 6;  }
.col-8  { grid-column: span 8;  }
.col-12 { grid-column: span 12; }

/* ============================================================
   16. Notificações dropdown
   ============================================================ */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  right: 0; top: calc(100% + 8px);
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 320px;
  z-index: 200;
  display: none;
}

.dropdown-menu.open { display: block; animation: dropIn 0.2s ease; }

@keyframes dropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0);      }
}

.dropdown-header {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.notif-item {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--trans);
  cursor: pointer;
}

.notif-item:hover { background: var(--surface); }
.notif-item:last-child { border-bottom: none; }

.notif-item .notif-title { font-size: 0.85rem; font-weight: 500; }
.notif-item .notif-body  { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }
.notif-item .notif-time  { font-size: 0.7rem; color: var(--text-dim); margin-top: 0.2rem; }

/* ============================================================
   17. Tabs
   ============================================================ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--trans);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-color: var(--primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================================
   18. Modal
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow);
  animation: modalIn 0.25s cubic-bezier(0.16,1,0.3,1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close { background: none; color: var(--text-muted); font-size: 1.25rem; transition: color var(--trans); }
.modal-close:hover { color: var(--text); }

.modal-body { padding: 1.5rem; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* ============================================================
   19. Skeleton loading
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%);
  background-size: 400% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   20. Misc utilities
   ============================================================ */
.text-muted   { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger);  }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }
.text-sm      { font-size: 0.8rem;  }
.text-xs      { font-size: 0.7rem;  }
.text-right   { text-align: right;  }
.text-center  { text-align: center; }
.fw-700       { font-weight: 700; }
.fw-600       { font-weight: 600; }

.d-flex       { display: flex; }
.align-center { align-items: center; }
.gap-1        { gap: 0.5rem; }
.gap-2        { gap: 1rem;   }
.mt-1         { margin-top: 0.5rem;  }
.mt-2         { margin-top: 1rem;    }
.mb-1         { margin-bottom: 0.5rem; }
.mb-2         { margin-bottom: 1rem;   }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============================================================
   21. Responsivo
   ============================================================ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .col-4, .col-6 { grid-column: span 12; }
  .page-content { padding: 1rem; }
}

@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 1.5rem; }
}