:root {
  --sharp: #e60012;
  --sharp-dark: #b7000f;
  --ink: #111318;
  --muted: #6b7280;
  --line: #e5e7eb;
  --surface: #ffffff;
  --canvas: #f5f6f8;
  --sidebar: #111318;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.auth-body { min-height: 100vh; background: radial-gradient(circle at top right, #fff 0, #f7f7f8 35%, #eceef2 100%); }
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(430px, 100%); padding: 38px; background: rgba(255,255,255,.96); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 24px 70px rgba(17,19,24,.12); }
.brand { color: var(--sharp); font-size: 34px; font-weight: 900; letter-spacing: -.06em; }
.eyebrow { margin: 0 0 8px; text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; color: var(--sharp); }
h1 { margin: 0; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.04em; }
h2 { margin: 0; font-size: 24px; }
.muted { color: var(--muted); }
.form-stack { display: grid; gap: 18px; margin-top: 28px; }
label span { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
input { width: 100%; padding: 13px 14px; border: 1px solid #cfd3da; border-radius: 11px; background: white; outline: none; }
input:focus { border-color: var(--sharp); box-shadow: 0 0 0 3px rgba(230,0,18,.08); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 0; border-radius: 11px; cursor: pointer; font-weight: 800; }
.button.primary { color: white; background: var(--sharp); }
.button.primary:hover { background: var(--sharp-dark); }
.subtle-link { display: inline-block; margin-top: 22px; color: var(--muted); font-size: 13px; }
.disabled { opacity: .45; cursor: default; }
.alert { margin-top: 20px; padding: 12px 14px; border-radius: 10px; color: #8d1018; background: #fff0f1; border: 1px solid #ffd2d5; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px 1fr; }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 26px 18px; background: var(--sidebar); color: white; display: flex; flex-direction: column; }
.sidebar-brand { font-size: 23px; font-weight: 900; color: var(--sharp); margin: 0 10px 32px; }
.sidebar-brand span { color: white; font-size: 12px; letter-spacing: .14em; }
.sidebar nav { display: grid; gap: 6px; }
.nav-link { width: 100%; display: block; padding: 12px 14px; border: 0; border-radius: 10px; background: transparent; color: #e7e7e9; text-align: left; cursor: pointer; }
.nav-link.active { background: rgba(255,255,255,.1); color: white; font-weight: 800; }
.sidebar form { margin-top: auto; }
.logout { color: #ffbfc4; }
.main-content { min-width: 0; padding: 42px; }
.page-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 30px; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-bottom: 20px; }
.kpi, .card { background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 8px 28px rgba(17,19,24,.04); }
.kpi { padding: 22px; }
.kpi span, .kpi small { display: block; color: var(--muted); }
.kpi strong { display: block; font-size: 34px; margin: 6px 0 10px; }
.card { padding: 26px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.status-pill { padding: 8px 10px; border-radius: 999px; background: #f0fdf4; color: #166534; font-size: 12px; font-weight: 800; }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .sidebar nav { grid-template-columns: repeat(2, 1fr); }
  .sidebar form { margin-top: 14px; }
  .main-content { padding: 24px; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 560px) {
  .login-card { padding: 26px; border-radius: 18px; }
  .sidebar nav { grid-template-columns: 1fr; }
  .kpi-grid, .check-grid { grid-template-columns: 1fr; }
}

/* Administración */
button, input, select, textarea { font: inherit; }
.button.secondary { background: #eef0f3; color: var(--ink); }
.button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.full-button { width: 100%; margin-top: 20px; }
.nav-section { margin: 18px 14px 6px; color: #7f858e; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.sidebar-user { margin-top: auto; padding: 14px; border-top: 1px solid rgba(255,255,255,.08); display: grid; gap: 3px; }
.sidebar-user small { color: #858b95; overflow: hidden; text-overflow: ellipsis; }
.sidebar form { margin-top: 0; }
.toolbar { display: flex; gap: 10px; margin-bottom: 20px; }
.toolbar input { max-width: 420px; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { padding: 12px 14px; border-bottom: 1px solid var(--line); color: var(--muted); text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.data-table td { padding: 15px 14px; border-bottom: 1px solid #eef0f2; vertical-align: middle; }
.data-table td small { display: block; margin-top: 4px; color: var(--muted); }
.actions { display: flex; gap: 14px; justify-content: flex-end; white-space: nowrap; }
.actions a, .link-button { color: #b7000f; font-weight: 700; font-size: 13px; }
.link-button { padding: 0; border: 0; background: none; cursor: pointer; }
.badge { display: inline-flex; padding: 6px 9px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.badge.success { color: #166534; background: #dcfce7; }
.muted-badge { color: #555c66; background: #eef0f3; }
.empty-state { padding: 38px !important; color: var(--muted); text-align: center; }
.alert.success { color: #166534; background: #f0fdf4; border-color: #bbf7d0; }
.alert.error { color: #8d1018; background: #fff0f1; border-color: #ffd2d5; }
.form-card { max-width: 1000px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.fieldset { margin: 28px 0 0; padding: 0; border: 0; }
.fieldset legend { font-size: 18px; font-weight: 800; }
.permission-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-top: 16px; }
.check-card { display: flex; align-items: flex-start; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: #fafbfc; cursor: pointer; }
.check-card input { width: auto; margin-top: 3px; accent-color: var(--sharp); }
.check-card span { margin: 0; }
.check-card strong, .check-card small { display: block; }
.check-card small { margin-top: 4px; color: var(--muted); }
.form-actions { display: flex; justify-content: flex-end; margin-top: 26px; }
.copy-row { display: flex; gap: 10px; margin-top: 12px; }
.copy-row input { background: white; }
.role-list { display: grid; }
.role-row { display: flex; align-items: center; justify-content: space-between; padding: 18px 4px; border-bottom: 1px solid var(--line); }
.role-row:last-child { border-bottom: 0; }
.role-row strong, .role-row small { display: block; }
.role-row small { margin-top: 4px; color: var(--muted); }
.role-row > span { color: var(--sharp-dark); font-weight: 800; }
@media (max-width: 700px) {
  .form-grid, .permission-grid { grid-template-columns: 1fr; }
  .toolbar, .copy-row { flex-direction: column; }
  .page-heading { align-items: flex-start; gap: 18px; flex-direction: column; }
}

/* Clientes */
select, textarea { width: 100%; padding: 13px 14px; border: 1px solid #cfd3da; border-radius: 11px; background: white; outline: none; }
select:focus, textarea:focus { border-color: var(--sharp); box-shadow: 0 0 0 3px rgba(230,0,18,.08); }
.wide-card { max-width: 1180px; }
.three-columns { grid-template-columns: repeat(3, minmax(0,1fr)); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.form-section-title { display:flex; justify-content:space-between; align-items:end; padding-top: 8px; margin: 2px 0 18px; }
.form-section-title + .form-grid { margin-bottom: 28px; }
.form-section-title h2 { margin-bottom: 4px; }
.compact-grid { max-height: 380px; overflow:auto; padding-right: 4px; }
.inline-form-card { margin-top: 24px; padding: 22px; border-radius: 14px; background: #fafbfc; border: 1px solid var(--line); }
.inline-form-card h3 { margin: 0 0 16px; }
.inline-check { display:flex; align-items:center; gap:10px; min-height:48px; }
.inline-check input { width:auto; accent-color:var(--sharp); }
.inline-check span { margin:0; }
@media (max-width: 900px) {
  .three-columns { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .span-3 { grid-column: span 2; }
}
@media (max-width: 700px) {
  .three-columns { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: span 1; }
}

/* v0.3.1 · Densidad visual y formularios compactos */
.main-content { padding: 30px 34px; }
.compact-heading { margin-bottom: 20px; align-items: center; }
.compact-heading h1 { font-size: clamp(27px, 3vw, 36px); }
.compact-heading .muted { margin: 7px 0 0; font-size: 14px; }
.compact-card { padding: 20px 22px; border-radius: 16px; }
.compact-section-title { margin: 0 0 13px; padding-top: 0; }
.compact-section-title.with-divider { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.compact-section-title h2 { font-size: 18px; }
.compact-section-title .muted { margin: 3px 0 0; font-size: 13px; }
.compact-form-grid { gap: 12px 14px; }
.four-columns { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.address-grid { grid-template-columns: minmax(150px,.65fr) repeat(3,minmax(0,1fr)); }
.form-card label > span, .inline-form-card label > span { margin-bottom: 5px; font-size: 12px; }
.form-card input:not([type="checkbox"]), .form-card select, .form-card textarea,
.inline-form-card input:not([type="checkbox"]), .inline-form-card select, .inline-form-card textarea {
  min-height: 38px;
  padding: 8px 11px;
  border-radius: 9px;
  font-size: 14px;
}
.form-card textarea, .inline-form-card textarea { min-height: 62px; resize: vertical; }
.field-help { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; line-height: 1.35; }
.postal-feedback.loading { color: #1d4ed8; }
.postal-feedback.success { color: #166534; }
.postal-feedback.warning { color: #9a6700; }
.compact-fieldset { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.compact-fieldset legend { padding-right: 12px; font-size: 16px; }
.compact-fieldset > .muted { margin: 2px 0 0; font-size: 13px; }
.user-scope-grid { grid-template-columns: repeat(2,minmax(0,1fr)); max-height: 260px; margin-top: 10px; }
.compact-check-card { padding: 9px 10px; border-radius: 9px; gap: 9px; }
.compact-check-card strong { font-size: 13px; }
.compact-check-card small { margin-top: 2px; font-size: 11px; }
.compact-actions { margin-top: 18px; }
.compact-actions .button { min-height: 38px; padding-inline: 15px; }
.contacts-card { margin-top: 14px !important; }
.compact-card-header { margin-bottom: 12px; }
.compact-card-header h2 { font-size: 19px; }
.compact-card-header .muted { margin: 4px 0 0; font-size: 13px; }
.compact-table th { padding: 8px 10px; font-size: 11px; }
.compact-table td { padding: 10px; font-size: 13px; }
.compact-inline-form { margin-top: 16px; padding: 16px; }
.compact-inline-form h3 { margin-bottom: 12px; font-size: 16px; }

@media (max-width: 1180px) {
  .four-columns, .address-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 700px) {
  .main-content { padding: 20px 16px; }
  .four-columns, .address-grid, .user-scope-grid { grid-template-columns: 1fr; }
  .compact-card { padding: 16px; }
}