/* ============================================================
   style.css — Complete Design System
   Sistema de Gestão de Vendas e Finanças
   ============================================================ */

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

/* ── CSS Variables ──────────────────────────────────────── */
:root {
  /* Background palette */
  --bg-base:      #070d1a;
  --bg-surface:   #0d1526;
  --bg-elevated:  #111f38;
  --bg-card:      #0f1a30;
  --bg-input:     #0d1526;
  --bg-hover:     #162040;
  --bg-active:    #1a2d52;

  /* Brand / Primary */
  --primary:      #3b82f6;
  --primary-dim:  #1d4ed8;
  --primary-glow: rgba(59, 130, 246, 0.15);

  /* Semantic colors */
  --success:      #10b981;
  --success-dim:  #059669;
  --success-bg:   rgba(16, 185, 129, 0.12);
  --danger:       #ef4444;
  --danger-dim:   #dc2626;
  --danger-bg:    rgba(239, 68, 68, 0.12);
  --warning:      #f59e0b;
  --warning-dim:  #d97706;
  --warning-bg:   rgba(245, 158, 11, 0.12);
  --info:         #06b6d4;
  --info-dim:     #0891b2;
  --info-bg:      rgba(6, 182, 212, 0.12);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-disabled:  #475569;

  /* Borders */
  --border:         rgba(148, 163, 184, 0.08);
  --border-hover:   rgba(148, 163, 184, 0.18);
  --border-focus:   rgba(59, 130, 246, 0.5);

  /* Layout */
  --sidebar-width:  260px;
  --sidebar-collapsed: 68px;
  --header-height:  64px;
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      14px;
  --radius-xl:      20px;
  --radius-full:    9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow-blue: 0 0 24px rgba(59,130,246,0.2);

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.35s ease;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ── Layout ─────────────────────────────────────────────── */
#app {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 200;
  transition: var(--transition-slow);
  overflow: hidden;
}

#sidebar .sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px 18px;
  border-bottom: 1px solid var(--border);
  min-height: var(--header-height);
}
#sidebar .sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow-blue);
}
#sidebar .sidebar-logo .logo-icon svg { width: 20px; height: 20px; color: #fff; }
#sidebar .sidebar-logo .logo-text { overflow: hidden; }
#sidebar .sidebar-logo .logo-text .company-name {
  font-size: 0.95rem; font-weight: 700; color: var(--text-primary);
  white-space: nowrap;
}
#sidebar .sidebar-logo .logo-text .company-sub {
  font-size: 0.72rem; color: var(--text-muted); font-weight: 500;
  white-space: nowrap;
}

#sidebar nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
  overflow-x: hidden;
}
#sidebar nav::-webkit-scrollbar { width: 4px; }
#sidebar nav::-webkit-scrollbar-track { background: transparent; }
#sidebar nav::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 2px; }

.nav-section-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 10px 4px;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  margin-bottom: 2px;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item .nav-label { overflow: hidden; flex: 1; }
.nav-item .nav-badge {
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 3px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
}

#sidebar-toggle {
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 201;
  transition: var(--transition);
  color: var(--text-secondary);
}
#sidebar-toggle:hover { background: var(--bg-active); color: var(--text-primary); }
#sidebar-toggle svg { width: 12px; height: 12px; }

/* Collapsed sidebar */
#sidebar.collapsed {
  width: var(--sidebar-collapsed);
}
#sidebar.collapsed .nav-label,
#sidebar.collapsed .logo-text,
#sidebar.collapsed .nav-section-label,
#sidebar.collapsed .nav-badge {
  display: none;
}
#sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 10px;
}
#sidebar.collapsed .nav-item.active::before { display: none; }

/* ── Main Content ──────────────────────────────────────── */
#main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
}
#main.sidebar-collapsed { margin-left: var(--sidebar-collapsed); }

/* ── Top Header ──────────────────────────────────────────── */
#topbar {
  height: var(--header-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}
#topbar .topbar-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}
#topbar .topbar-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Content Area ──────────────────────────────────────── */
#content {
  flex: 1;
  padding: 24px;
  max-width: 100%;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-body { padding: 0; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}
.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.card-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  background: linear-gradient(145deg, rgba(17, 31, 56, 0.95), rgba(13, 21, 38, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
  opacity: 0.8;
  transition: var(--transition);
}
.kpi-card:hover {
  border-color: rgba(148, 163, 184, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.5);
}
.kpi-card:hover::before { opacity: 1; height: 4px; }
.kpi-card.kpi-green::before { background: var(--success); opacity: 1; }
.kpi-card.kpi-red::before   { background: var(--danger); opacity: 1; }
.kpi-card.kpi-yellow::before{ background: var(--warning); opacity: 1; }
.kpi-card.kpi-blue::before  { background: var(--primary); opacity: 1; }

.kpi-card.kpi-green { border-left: 2px solid rgba(16, 185, 129, 0.3); }
.kpi-card.kpi-red   { border-left: 2px solid rgba(239, 68, 68, 0.3); }
.kpi-card.kpi-yellow{ border-left: 2px solid rgba(245, 158, 11, 0.3); }
.kpi-card.kpi-blue  { border-left: 2px solid rgba(59, 130, 246, 0.3); }

.kpi-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.kpi-value.text-success { color: #34d399; }
.kpi-value.text-danger  { color: #f87171; }
.kpi-value.text-warning { color: #fbbf24; }
.kpi-value.text-info    { color: #38bdf8; }
.kpi-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.kpi-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-left: auto;
  flex-shrink: 0;
}
.kpi-icon.icon-blue    { background: var(--primary-glow);  color: var(--primary); }
.kpi-icon.icon-green   { background: var(--success-bg);    color: var(--success); }
.kpi-icon.icon-red     { background: var(--danger-bg);     color: var(--danger); }
.kpi-icon.icon-yellow  { background: var(--warning-bg);    color: var(--warning); }
.kpi-icon.icon-info    { background: var(--info-bg);       color: var(--info); }
.kpi-icon svg { width: 18px; height: 18px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover:not(:disabled) { background: #2563eb; border-color: #2563eb; }

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover:not(:disabled) { background: var(--success-dim); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) { background: var(--danger-dim); }

.btn-warning {
  background: var(--warning);
  color: #000;
  border-color: var(--warning);
}
.btn-warning:hover:not(:disabled) { background: var(--warning-dim); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--primary-glow);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
}
.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
}
.btn-icon {
  padding: 8px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}
.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-icon svg { width: 16px; height: 16px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 4px;
}

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 9px 14px;
  width: 100%;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.form-control:invalid { border-color: var(--danger); }
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.form-row {
  display: grid;
  gap: 16px;
}
.form-row.cols-2 { grid-template-columns: repeat(2, 1fr); }
.form-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-row.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Input with prefix/suffix */
.input-group {
  display: flex;
  align-items: stretch;
}
.input-prefix, .input-suffix {
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}
.input-prefix {
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.input-suffix {
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.input-group .form-control {
  border-radius: 0;
  flex: 1;
}
.input-group .form-control:first-child:last-child { border-radius: var(--radius-md); }
.input-group .input-prefix + .form-control { border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.input-group .form-control + .input-suffix { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

/* ── Tables ───────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}
.data-table th:hover { color: var(--text-primary); }
.data-table th.sort-asc::after { content: ' ↑'; color: var(--primary); }
.data-table th.sort-desc::after { content: ' ↓'; color: var(--primary); }
.data-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--bg-hover); }
.data-table .td-actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}
.table-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.table-empty svg { width: 48px; height: 48px; margin: 0 auto 12px; opacity: 0.3; }
.table-empty p { font-size: 0.9rem; }

/* Table toolbar */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.table-search {
  flex: 1;
  min-width: 200px;
  max-width: 320px;
  position: relative;
}
.table-search input {
  padding-left: 36px;
}
.table-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.table-search-icon svg { width: 16px; height: 16px; }
.table-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.table-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-primary  { background: var(--primary-glow);  color: var(--primary); }
.badge-success  { background: var(--success-bg);     color: var(--success); }
.badge-danger   { background: var(--danger-bg);      color: var(--danger); }
.badge-warning  { background: var(--warning-bg);     color: var(--warning); }
.badge-info     { background: var(--info-bg);        color: var(--info); }
.badge-muted    { background: rgba(100,116,139,0.15);color: var(--text-muted); }

/* ── Charts ───────────────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
}
.chart-container canvas {
  max-width: 100%;
}

/* ── Modals ───────────────────────────────────────────────── */
#modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.15s ease;
}
#modal-backdrop.open { display: flex; }

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
}
.modal.modal-lg { max-width: 800px; }
.modal.modal-xl { max-width: 1100px; }
.modal.modal-sm { max-width: 420px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.modal-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }
.modal-close svg { width: 18px; height: 18px; }

.modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Toasts ───────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 280px;
  max-width: 400px;
  pointer-events: all;
  animation: slideIn 0.25s ease;
  border-left: 3px solid var(--primary);
}
.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error   { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }
.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast-icon svg { width: 16px; height: 16px; }
.toast.toast-success .toast-icon { color: var(--success); }
.toast.toast-error   .toast-icon { color: var(--danger); }
.toast.toast-warning .toast-icon { color: var(--warning); }
.toast-info  .toast-icon { color: var(--primary); }
.toast-content { flex: 1; min-width: 0; }
.toast-title { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.toast-msg   { font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px; }
.toast-close {
  flex-shrink: 0;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  transition: var(--transition);
}
.toast-close:hover { color: var(--text-primary); }
.toast-close svg { width: 14px; height: 14px; }
.toast.exiting { animation: slideOut 0.2s ease forwards; }

/* ── Date Filter Presets ─────────────────────────────────── */
.date-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.preset-btn {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.preset-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }
.preset-btn.active {
  background: var(--primary-glow);
  border-color: var(--border-focus);
  color: var(--primary);
}

/* ── Section Headers ─────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}
.section-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.section-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Grids ────────────────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-1-2 { grid-template-columns: 1fr 2fr; }
.grid-2-1 { grid-template-columns: 2fr 1fr; }

/* ── Utility Classes ─────────────────────────────────────── */
.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-success   { color: var(--success); }
.text-danger    { color: var(--danger); }
.text-warning   { color: var(--warning); }
.text-info      { color: var(--info); }
.text-right     { text-align: right; }
.text-center    { text-align: center; }
.font-bold      { font-weight: 700; }
.font-semibold  { font-weight: 600; }
.font-medium    { font-weight: 500; }
.text-sm        { font-size: 0.8rem; }
.text-xs        { font-size: 0.72rem; }
.text-lg        { font-size: 1.1rem; }
.text-xl        { font-size: 1.3rem; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-3  { margin-bottom: 12px; }
.mb-4  { margin-bottom: 16px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-8 { gap: 8px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.hidden { display: none !important; }
.w-full { width: 100%; }

/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* Info rows */
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.info-row:last-child { border-bottom: none; }
.info-row .info-label { color: var(--text-secondary); }
.info-row .info-value { color: var(--text-primary); font-weight: 600; }

/* Tab navigation */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.tab-btn {
  flex: 1;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: none;
  text-align: center;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Stat comparison row */
.stat-compare {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.stat-compare-item {
  flex: 1;
  min-width: 140px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  text-align: center;
}
.stat-compare-item .stat-name {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-compare-item .stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 6px 0 4px;
}
.stat-compare-item .stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Progress bar */
.progress-bar {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--primary);
  transition: width 0.5s ease;
}
.progress-fill.green  { background: var(--success); }
.progress-fill.red    { background: var(--danger); }
.progress-fill.yellow { background: var(--warning); }

/* Stock alert badge */
.stock-alert {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
}
.stock-ok       { background: var(--success-bg); color: var(--success); }
.stock-low      { background: var(--warning-bg); color: var(--warning); }
.stock-critical { background: var(--danger-bg);  color: var(--danger); }
.stock-out      { background: rgba(100,116,139,0.15); color: var(--text-muted); }

/* Partner card */
.partner-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.partner-avatar {
  width: 48px; height: 48px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

/* Calculator panel */
.calc-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.calc-result {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 16px;
}
.calc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border);
}
.calc-result-row:last-child { border-bottom: none; }
.calc-result-row.total {
  font-size: 1rem;
  font-weight: 700;
  padding-top: 10px;
  margin-top: 4px;
}

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-muted);
}
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  margin-right: 12px;
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Page entry animation */
#content > * { animation: fadeIn 0.2s ease; }

/* ── Freight Calculator & Dimensions Box ── */
.freight-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 12px;
}
.freight-box.active {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.05);
}
.freight-dim-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.freight-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  font-weight: 500;
}

/* Mobile toggle button */
.mobile-only-btn {
  display: none;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-1-2, .grid-2-1 { grid-template-columns: 1fr; }
  .form-row.cols-3, .form-row.cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mobile-only-btn {
    display: inline-flex;
  }

  #sidebar {
    width: 260px;
    transform: translateX(-100%);
    box-shadow: 4px 0 24px rgba(0,0,0,0.6);
  }
  #sidebar.mobile-open {
    transform: translateX(0);
  }
  #sidebar .nav-label,
  #sidebar .logo-text,
  #sidebar .nav-section-label { display: block; }
  #sidebar .nav-item { justify-content: flex-start; padding: 10px 14px; }
  #sidebar-toggle { display: none; }

  #main { margin-left: 0 !important; width: 100%; }
  #content { padding: 14px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row.cols-2 { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .table-toolbar { flex-direction: column; align-items: stretch; }
  .table-search { max-width: 100%; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: 1fr; }
  .modal { max-width: 100%; margin: 8px; }
  .tabs { flex-wrap: wrap; }
}

/* ── Print Styles ────────────────────────────────────────── */
@media print {
  #sidebar, #topbar, .btn, .table-toolbar, .modal, #toast-container { display: none !important; }
  #main { margin: 0 !important; }
  #content { padding: 0 !important; }
  body { background: #fff !important; color: #000 !important; }
  .card { border: 1px solid #ddd !important; break-inside: avoid; }
  .data-table th { background: #f5f5f5 !important; color: #000 !important; }
  .data-table td { color: #000 !important; border-color: #ddd !important; }
}