/* AutoLeads — áreas con sesión: área de cliente (/cuenta/), administración (/admin/),
   activación de la app (/activar/), registro (/registro/) y simulador de pagos.
   Se carga después de site.css y usa sus mismos tokens («Tinta y marfil», docs/brand/BRAND.md).
   Componentes: shell con barra lateral, tarjetas, formularios, tablas, estados, pestañas,
   métricas, diálogos y avisos. Las vistas añaden lo suyo en su propio CSS. */

/* ---------- base ---------- */
body.app { background: var(--paper); min-height: 100vh; }
body.app h1 { font-size: clamp(28px, 3.2vw, 38px); font-weight: 480; letter-spacing: -0.02em; }
body.app h2 { font-size: 21px; font-weight: 500; letter-spacing: -0.01em; }
body.app h3 { font-family: var(--sans); font-size: 15px; font-weight: 650; letter-spacing: 0; line-height: 1.3; }
.muted { color: var(--ink-3); }
.sub { color: var(--ink-2); }
.small { font-size: 13.5px; }
.mono { font-family: var(--mono); font-size: 0.94em; letter-spacing: 0; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.stack { display: grid; gap: 16px; }
.stack-lg { display: grid; gap: 28px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
[hidden] { display: none !important; }

/* ---------- buttons (complement site.css .btn) ---------- */
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-danger { background: var(--bad); color: var(--surface); }
.btn-danger:hover { background: color-mix(in srgb, var(--bad) 86%, var(--ink)); color: var(--surface); }
.btn-xs { height: 30px; padding: 0 11px; font-size: 13px; border-radius: 8px; gap: 6px; }
.btn-link { background: none; border: 0; padding: 0; height: auto; color: var(--accent); font: inherit; font-weight: 600; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.btn-link.danger { color: var(--bad); }
.btn-block { width: 100%; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 6px; padding: 22px 14px; border-right: 1px solid var(--line); background: var(--paper-2); overflow-y: auto; }
.side .brand { padding: 4px 10px 18px; font-size: 19px; }
.side-label { padding: 14px 12px 6px; font: 600 11.5px/1 var(--sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.side a.nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; color: var(--ink-2); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.side a.nav-item:hover { background: var(--paper-3); color: var(--ink); }
.side a.nav-item[aria-current="page"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-1); }
.side a.nav-item .count { margin-left: auto; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.side-foot { margin-top: auto; padding: 14px 10px 0; border-top: 1px solid var(--line); display: grid; gap: 10px; font-size: 13.5px; }
.side-foot .who { display: grid; gap: 2px; min-width: 0; }
.side-foot .who strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-foot .who span { color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.main { min-width: 0; padding: 34px 44px 72px; }
.main-inner { max-width: 1080px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.page-head p { color: var(--ink-2); margin-top: 6px; max-width: 640px; }
.crumbs { font-size: 13.5px; color: var(--ink-3); margin-bottom: 8px; }
.crumbs a { color: var(--ink-3); }
.menu-toggle { display: none; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; z-index: 30; inset: 0 auto 0 0; width: 272px; transform: translateX(-102%); transition: transform 220ms var(--ease); box-shadow: var(--shadow-2); }
  .shell.menu-open .side { transform: none; }
  .main { padding: 18px 16px 64px; }
  .menu-toggle { display: inline-flex; margin-bottom: 14px; }
}

/* ---------- cards ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: none; }
.card-pad { padding: 22px 24px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.card-head h2 { font-size: 18px; }
.card-head p { color: var(--ink-3); font-size: 13.5px; }
.card-body { padding: 20px 24px; }
.card-foot { padding: 14px 24px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.card.accent { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.card.warn { border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); background: color-mix(in srgb, var(--warn-soft) 55%, var(--surface)); }
.card.bad { border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); background: color-mix(in srgb, var(--bad-soft) 55%, var(--surface)); }
.setting { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 24px; border-top: 1px solid var(--line); }
.setting:first-child { border-top: 0; }
.setting .text { display: grid; gap: 3px; min-width: 0; }
.setting .text span { color: var(--ink-3); font-size: 14px; }
@media (max-width: 640px) { .setting { flex-direction: column; align-items: flex-start; } }

/* ---------- stats ---------- */
.stat { padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; display: grid; gap: 6px; }
.stat .label { font-size: 13px; color: var(--ink-3); }
.stat .value { font: 500 30px/1.05 var(--serif); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .delta { font-size: 13px; color: var(--ink-2); }
.meter { height: 6px; border-radius: 3px; background: var(--paper-3); overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.meter.warn > i { background: var(--warn); }
.meter.bad > i { background: var(--bad); }
.bars { display: flex; align-items: flex-end; gap: 3px; height: 120px; padding-top: 8px; }
.bars > i { flex: 1; min-width: 2px; background: color-mix(in srgb, var(--accent) 70%, var(--paper-3)); border-radius: 3px 3px 0 0; position: relative; }
.bars > i:hover { background: var(--accent); }
.bars-axis { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); margin-top: 6px; }

/* ---------- status tags (square, quiet: not marketing pills) ---------- */
.tag { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12.5px; font-weight: 600; background: var(--paper-3); color: var(--ink-2); white-space: nowrap; }
.tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.8; }
.tag.plain::before { display: none; }
.tag.ok { background: var(--ok-soft); color: var(--ok); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.bad { background: var(--bad-soft); color: var(--bad); }
.tag.accent { background: var(--accent-soft); color: var(--accent-ink); }

/* ---------- forms ---------- */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; font-size: 14px; align-content: start; }
.field > span, .field > label { font-weight: 600; color: var(--ink); }
.field .hint { font-size: 13px; color: var(--ink-3); font-weight: 400; }
.input, .select, .textarea {
  width: 100%; height: 44px; padding: 0 13px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink);
  font: 15px/1.4 var(--sans); transition: border-color 140ms, box-shadow 140ms;
}
.textarea { height: auto; min-height: 110px; padding: 11px 13px; resize: vertical; }
.select { appearance: none; padding-right: 36px; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 18px) 19px, calc(100% - 13px) 19px; background-size: 5px 5px; background-repeat: no-repeat; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.input.code { font: 600 22px/1 var(--mono); letter-spacing: 0.18em; text-align: center; text-transform: uppercase; height: 56px; }
.input-row { display: flex; gap: 10px; }
.input-row .input { flex: 1; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--ink-2); line-height: 1.45; }
.check input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--accent); flex: none; }
.form-error { padding: 11px 14px; border-radius: 10px; background: var(--bad-soft); color: var(--bad); font-size: 14px; }
.form-note { padding: 11px 14px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-ink); font-size: 14px; }
.segmented { display: inline-flex; padding: 4px; border-radius: 10px; background: var(--paper-3); gap: 2px; }
.segmented button, .segmented label { border: 0; background: transparent; font: 600 14px/1 var(--sans); color: var(--ink-2); padding: 10px 14px; border-radius: 7px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented [aria-pressed="true"], .segmented label:has(input:checked) { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-1); }
.switch { position: relative; display: inline-block; width: 40px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; border-radius: 12px; background: var(--line-2); transition: background 160ms; cursor: pointer; }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-1); transition: transform 160ms var(--ease); }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; position: relative; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); padding: 12px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr.link { cursor: pointer; }
.table tbody tr.link:hover td { background: var(--paper-2); }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table .cell-main { display: grid; gap: 2px; }
.table .cell-main span { color: var(--ink-3); font-size: 13px; }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 10px 22px; font-size: 14.5px; margin: 0; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
pre.code { margin: 0; padding: 14px 16px; border-radius: 10px; background: var(--paper-2); border: 1px solid var(--line); font: 12.5px/1.55 var(--mono); overflow: auto; max-height: 420px; white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---------- tabs, toolbar, pagination ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; }
.tabs a, .tabs button { padding: 10px 14px; border: 0; background: none; color: var(--ink-3); font: 600 14px/1 var(--sans); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; white-space: nowrap; }
.tabs [aria-current="page"], .tabs [aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .input, .toolbar .select { height: 38px; font-size: 14px; width: auto; min-width: 180px; }
.toolbar .grow { flex: 1; min-width: 200px; }
.pager { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 16px; font-size: 13.5px; color: var(--ink-3); }

/* ---------- empty, loading, notices ---------- */
.empty { padding: 42px 24px; text-align: center; color: var(--ink-3); display: grid; gap: 10px; justify-items: center; }
.empty strong { color: var(--ink); font-size: 16px; }
.skeleton { border-radius: 8px; background: linear-gradient(90deg, var(--paper-2), var(--paper-3), var(--paper-2)); background-size: 200% 100%; animation: shimmer 1.2s linear infinite; min-height: 14px; }
@keyframes shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }
.notice { display: flex; gap: 14px; align-items: flex-start; padding: 15px 18px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-ink); font-size: 14.5px; border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); }
.notice.warn { background: var(--warn-soft); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.notice.bad { background: var(--bad-soft); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 25%, transparent); }
.notice.ok { background: var(--ok-soft); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.notice strong { color: inherit; }
.notice .grow { flex: 1; display: grid; gap: 4px; }
.notice .btn { flex: none; }
.secret { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px dashed var(--line-2); border-radius: 10px; background: var(--paper-2); font: 600 15px/1.2 var(--mono); letter-spacing: 0.04em; overflow-wrap: anywhere; }
.secret .btn { margin-left: auto; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: start; counter-increment: step; }
.steps li::before { content: counter(step); width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 600 13px/1 var(--sans); background: var(--paper-3); color: var(--ink-2); }
.steps li.done::before { content: "✓"; background: var(--ok-soft); color: var(--ok); }
.steps li .text { display: grid; gap: 3px; padding-top: 3px; }
.steps li .text span { color: var(--ink-3); font-size: 14px; }

/* ---------- toasts ---------- */
.toasts { position: fixed; z-index: 60; right: 18px; bottom: 18px; display: grid; gap: 10px; max-width: min(420px, calc(100vw - 36px)); }
.toast { padding: 13px 16px; border-radius: 12px; background: var(--ink); color: var(--paper); font-size: 14.5px; box-shadow: var(--shadow-2); animation: toast-in 260ms var(--ease); }
.toast.ok { border-left: 4px solid var(--ok); }
.toast.bad { border-left: 4px solid var(--bad); }
.toast.leaving { opacity: 0; transform: translateY(6px); transition: opacity 260ms, transform 260ms; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- dialog ---------- */
.dialog { border: 0; padding: 0; border-radius: 16px; background: var(--surface); color: var(--ink); width: min(500px, calc(100vw - 32px)); box-shadow: var(--shadow-2); }
.dialog::backdrop { background: rgba(18, 20, 24, 0.45); backdrop-filter: blur(2px); }
.dialog form { padding: 24px; display: grid; gap: 16px; }
.dialog h2 { font-size: 22px; }
.dialog-body { color: var(--ink-2); font-size: 15px; display: grid; gap: 10px; }
/* The confirm button comes first in the DOM (Enter in a field submits it), shown last. */
.dialog-actions { display: flex; flex-direction: row-reverse; justify-content: flex-start; gap: 10px; }

/* ---------- auth pages (login, registro, activar) ---------- */
.auth { min-height: 100vh; display: grid; grid-template-rows: auto 1fr auto; }
.auth-top { display: flex; align-items: center; justify-content: space-between; padding: 20px 28px; }
.auth-center { display: grid; place-items: center; padding: 24px 16px 56px; }
.auth-card { width: min(460px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 34px 32px; box-shadow: var(--shadow-1); display: grid; gap: 20px; }
.auth-card.wide { width: min(620px, 100%); }
.auth-card h1 { font-size: 30px; }
.auth-card .lede { color: var(--ink-2); }
.auth-alt { text-align: center; font-size: 14px; color: var(--ink-3); }
.auth-foot { padding: 18px 28px; text-align: center; font-size: 13px; color: var(--ink-3); }
.auth-foot a { color: var(--ink-3); }
/* The language switch: a quiet link, as the footer's. */
.lang-link { color: var(--ink-3); font-weight: 500; justify-self: start; }
@media (max-width: 520px) { .auth-card { padding: 26px 20px; } .auth-top { padding: 16px; } }

/* ---------- payment simulator (STRIPE_MODE=simulated) ---------- */
body.sim { background: var(--paper); }
.sim-wrap { max-width: 640px; margin: 0 auto; padding: 40px 18px 80px; display: grid; gap: 22px; }
.sim-wrap h1 { font-size: 32px; }
.sim-banner { padding: 10px 14px; border-radius: 10px; background: var(--warn-soft); color: var(--warn); font-size: 14px; font-weight: 600; }
.sim-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; display: grid; gap: 8px; }
.sim-total { font-size: 18px; }
.sim-form { display: grid; gap: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.sim-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.sim-form input, .sim-form select { height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); font: 15px var(--sans); }
.sim-form .row { display: flex; gap: 10px; flex-wrap: wrap; }
.sim-form button { justify-self: start; }
.sim table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.sim td, .sim th { padding: 9px 0; border-bottom: 1px solid var(--line); text-align: left; }
.sim td:last-child, .sim th:last-child { text-align: right; }