:root {
  color-scheme: light;
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-soft: #f7fafc;
  --glass: rgba(255, 255, 255, 0.78);
  --text: #182635;
  --muted: #657789;
  --line: #cbd8e4;
  --line-strong: #aebfce;
  --primary: #2f5f8d;
  --primary-dark: #244b72;
  --primary-soft: #e2edf7;
  --secondary: #5f7285;
  --success: #28745b;
  --warning: #9a6a20;
  --danger: #a84040;
  --shadow: 0 18px 45px rgba(32, 53, 76, 0.12);
  --radius: 8px;
  --radius-sm: 6px;
  --topbar-height: 64px;
  --transition: 160ms ease;
}

* { box-sizing: border-box; }
html { min-width: 0; background: var(--bg); }
body {
  margin: 0;
  min-width: 0;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbfd 0%, var(--bg) 340px), var(--bg);
  font: 15px/1.45 Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2 { margin: 0; font-weight: 600; letter-spacing: 0; }
h1 { font-size: 28px; }
h2 { font-size: 18px; margin-bottom: 16px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: var(--topbar-height);
  padding: 0 28px;
  border-bottom: 1px solid rgba(172, 190, 206, 0.72);
  background: rgba(245, 249, 252, 0.92);
  backdrop-filter: blur(16px);
}
.brand, .auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #20384f;
  font-weight: 600;
  white-space: nowrap;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  color: #fff;
  background: linear-gradient(135deg, #2f5f8d, #536f85);
  font-size: 13px;
  font-weight: 600;
}
.main-nav, .nav {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}
.main-nav a, .nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 11px;
  border-radius: var(--radius-sm);
  color: #31485e;
  font-size: 14px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .nav a:hover { background: var(--primary-soft); }
.main-nav a.active, .nav a[aria-current="page"] { color: #fff; background: var(--primary); }
.user-menu, .user-box {
  display: inline-flex;
  align-items: center;
  justify-content: end;
  gap: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.page-shell {
  display: grid;
  gap: 18px;
  width: min(1540px, calc(100% - 48px));
  margin: 24px auto 48px;
}
.toolbar, .page-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
}
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-panel { display: grid; gap: 22px; width: min(430px, 100%); padding: 28px; }
.panel, .glass-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.panel { padding: 18px; }
.grid, .form-grid, .filters-grid {
  display: grid;
  align-items: end;
  gap: 14px;
}
.grid, .form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
label {
  display: grid;
  gap: 6px;
  color: #33495f;
  font-size: 13px;
  font-weight: 500;
}
input, select, textarea {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 95, 141, 0.18);
}

.actions, .header-actions, .form-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.btn, .icon-btn {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  font-weight: 500;
  white-space: nowrap;
}
.btn:hover, .icon-btn:hover { transform: translateY(-1px); }
.btn:active, .icon-btn:active { transform: translateY(0); }
.btn:focus-visible, .icon-btn:focus-visible, a:focus-visible {
  outline: 3px solid rgba(47, 95, 141, 0.28);
  outline-offset: 2px;
}
.btn:disabled, .icon-btn:disabled { cursor: not-allowed; opacity: 0.55; transform: none; }
.primary, .btn.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.primary:hover, .btn.primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.secondary, .btn.secondary { color: #274057; background: #edf3f8; border-color: var(--line); }
.secondary:hover, .btn.secondary:hover { background: #dfeaf3; }
.ghost, .btn.ghost { color: #2d485f; background: transparent; border-color: var(--line); }
.danger, .btn.danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #263d52;
  background: #edf3f8;
  border-color: var(--line);
  font-size: 18px;
  line-height: 1;
  padding: 0;
}
.action-icon { width: 34px; height: 34px; }
.nav-toggle { display: none; }
.theme-toggle { flex: 0 0 auto; }

.form-message { display: block; min-height: 22px; margin-top: 12px; color: var(--warning); font-size: 13px; }
.product-search-actions { margin-bottom: 12px; }
.product-results-header { display: flex; align-items: center; justify-content: space-between; min-height: 30px; margin-bottom: 8px; }
.pagination-bar { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.status { color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  min-width: 28px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  background: var(--primary-soft);
}
.badge.a { color: #1d5f49; background: #d8eee5; }
.badge.b { color: #6e4b15; background: #f4e6c7; }
.badge.c { color: #873333; background: #f2dada; }

.table-shell {
  min-width: 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
table, .data-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  font-size: 14px;
}
th, td, .data-table th, .data-table td {
  padding: 11px 10px;
  border-bottom: 1px solid #dce6ef;
  border-right: 1px solid #dce6ef;
  text-align: left;
  vertical-align: middle;
}
th:last-child, td:last-child { border-right: 0; }
th, .data-table th { color: #3d5266; background: #edf3f8; font-weight: 600; }
tbody tr:hover { background: rgba(226, 237, 247, 0.55); }
tr:last-child td { border-bottom: 0; }

.address-field { position: relative; }
.address-results {
  position: absolute;
  top: calc(100% + 3px);
  left: 0;
  right: 0;
  z-index: 30;
  display: grid;
  gap: 2px;
  max-height: 260px;
  overflow-y: auto;
  padding: 4px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.address-results[hidden] { display: none; }
.address-option {
  display: grid;
  width: 100%;
  min-height: 0;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text);
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.address-option:hover, .address-option:focus-visible { background: var(--primary-soft); outline: none; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.metric {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
}
.metric span { color: var(--muted); font-size: 13px; }
.metric strong { min-width: 0; overflow-wrap: anywhere; font-size: 18px; font-weight: 600; }
.print-only { display: none; }

@media (max-width: 1180px) {
  .topbar { grid-template-columns: auto auto 1fr; }
  .nav-toggle { display: inline-grid; }
  .main-nav {
    position: absolute;
    top: calc(var(--topbar-height) - 1px);
    left: 16px;
    right: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(247, 250, 252, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .main-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
}

@media (max-width: 760px) {
  body { font-size: 14px; }
  .topbar { min-height: 58px; padding: 0 14px; gap: 10px; }
  .brand span:last-child, .user-menu span { display: none; }
  .page-shell { width: min(100% - 24px, 720px); margin-top: 16px; }
  .toolbar, .page-header, .grid, .form-grid.two, .summary-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .actions .btn, .toolbar .btn { flex: 1 1 150px; }
  .panel { padding: 14px; }
  table { min-width: 760px; }
}

@media print {
  :root { color-scheme: light; }
  body { color: #000; background: #fff; }
  .topbar, .no-print, .btn, .icon-btn { display: none !important; }
  .page-shell { width: 100%; max-width: none; margin: 0; }
  .panel { border: 0; box-shadow: none; padding: 0; background: #fff; }
  .table-shell { border: 0; overflow: visible; }
  .print-only { display: block; margin-bottom: 16px; }
  table { min-width: 0; font-size: 12px; }
  th, td { border-color: #999; padding: 6px; }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #242a30;
  --surface: #2d343b;
  --surface-soft: #353d45;
  --glass: rgba(45, 52, 59, 0.88);
  --text: #f8f8f8;
  --muted: #d7e0e8;
  --line: #4b565f;
  --line-strong: #68747e;
  --primary: #9fc9ec;
  --primary-dark: #b5d8f2;
  --primary-soft: #34414d;
  --success: #6fc29c;
  --warning: #e0b15c;
  --danger: #f0a3a3;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.34);
}
:root[data-theme="dark"] body { background: linear-gradient(180deg, #303840 0%, var(--bg) 340px), var(--bg); }
:root[data-theme="dark"] .topbar { border-bottom-color: rgba(74, 96, 114, 0.82); background: rgba(43, 50, 57, 0.94); }
:root[data-theme="dark"] .brand, :root[data-theme="dark"] label { color: var(--text); }
:root[data-theme="dark"] .main-nav { border-color: var(--line); background: rgba(43, 50, 57, 0.98); }
:root[data-theme="dark"] .main-nav a, :root[data-theme="dark"] .user-menu, :root[data-theme="dark"] .status { color: var(--muted); }
:root[data-theme="dark"] .panel, :root[data-theme="dark"] .glass-panel, :root[data-theme="dark"] .metric { border-color: var(--line); background: var(--glass); }
:root[data-theme="dark"] input, :root[data-theme="dark"] select, :root[data-theme="dark"] textarea, :root[data-theme="dark"] .table-shell, :root[data-theme="dark"] .address-results {
  color: var(--text);
  background: rgba(38, 45, 52, 0.94);
  border-color: var(--line-strong);
}
:root[data-theme="dark"] .secondary, :root[data-theme="dark"] .icon-btn { color: var(--text); background: #34414d; border-color: #6f7d88; }
:root[data-theme="dark"] .ghost { color: var(--text); border-color: var(--line-strong); }
:root[data-theme="dark"] .primary, :root[data-theme="dark"] .main-nav a.active { color: var(--bg); background: var(--primary); border-color: var(--primary); }
:root[data-theme="dark"] .danger { color: var(--bg); background: var(--danger); border-color: var(--danger); }
:root[data-theme="dark"] th { color: var(--text); background: #38414a; }
:root[data-theme="dark"] td, :root[data-theme="dark"] th { border-color: #2a3d4d; }
:root[data-theme="dark"] tbody tr:hover, :root[data-theme="dark"] .address-option:hover { background: rgba(90, 145, 199, 0.18); }
:root[data-theme="dark"] .badge.a { color: #dff7ec; background: #265542; }
:root[data-theme="dark"] .badge.b { color: #ffe8b6; background: #614716; }
:root[data-theme="dark"] .badge.c { color: #ffe0e0; background: #6d3535; }

.user-summary { margin-bottom: 0; }
.user-metric strong { font-size: 16px; }
.user-cell {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}
.user-avatar {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: #fff;
  background: var(--primary);
  font-size: 12px;
  font-weight: 700;
}
.row-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.icon-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-btn.success { color: #fff; background: var(--success); border-color: var(--success); }
.icon-btn.warning { color: #4d3510; background: #f7dfad; border-color: #e5c375; }
.badge.status-activo { color: #1d5f49; background: #d8eee5; }
.badge.status-pendiente { color: #6e4b15; background: #f4e6c7; }
.badge.status-rechazado { color: #873333; background: #f2dada; }
.badge.role-admin { color: #244b72; background: #dceaf7; }
.badge.role-vendedor { color: #46576a; background: #e7edf3; }
.drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  justify-items: end;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}
.drawer.open {
  pointer-events: auto;
  opacity: 1;
}
.drawer-scrim {
  position: absolute;
  inset: 0;
  background: rgba(14, 26, 38, 0.32);
}
.drawer-panel {
  position: relative;
  display: grid;
  align-content: start;
  gap: 18px;
  width: min(460px, 100%);
  min-height: 100%;
  padding: 22px;
  border-left: 1px solid var(--line);
  background: var(--surface);
  box-shadow: -18px 0 44px rgba(32, 53, 76, 0.16);
  transform: translateX(100%);
  transition: transform var(--transition);
}
.drawer.open .drawer-panel { transform: translateX(0); }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.drawer-actions { justify-content: end; }

@media (max-width: 760px) {
  .drawer-panel { width: 100%; }
  .drawer-actions .btn { flex: 1 1 140px; }
}

:root[data-theme="dark"] .user-avatar { color: var(--bg); background: var(--primary); }
:root[data-theme="dark"] .icon-btn.success { color: var(--bg); background: var(--success); border-color: var(--success); }
:root[data-theme="dark"] .icon-btn.warning { color: var(--bg); background: var(--warning); border-color: var(--warning); }
:root[data-theme="dark"] .badge.status-activo { color: #dff7ec; background: #265542; }
:root[data-theme="dark"] .badge.status-pendiente { color: #ffe8b6; background: #614716; }
:root[data-theme="dark"] .badge.status-rechazado { color: #ffe0e0; background: #6d3535; }
:root[data-theme="dark"] .badge.role-admin { color: #d8ecff; background: #2b506e; }
:root[data-theme="dark"] .badge.role-vendedor { color: #eef4f8; background: #48545f; }
:root[data-theme="dark"] .drawer-panel { background: var(--surface); border-color: var(--line); }