/* ==========================================================================
   OBSCURA · MOCKUPS (sección 05)
   Interfaces falsas, 100% CSS/JS, sin assets. Decorativas: el HTML las marca
   aria-hidden y les pone al lado una descripción para lectores de pantalla.
   Todo se anima con transform/opacity/clip-path — nada dispara layout.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Marco común
   -------------------------------------------------------------------------- */
.mk {
  position: relative;
  display: flex; flex-direction: column;
  flex: 1;
  min-height: 380px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.mk__bar {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.mk__dots { display: flex; gap: 6px; }
.mk__dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); opacity: .18; }
.mk__title {
  font-family: var(--font-ui); font-weight: 600; font-size: var(--fs-xs);
  color: var(--ink-soft); letter-spacing: .02em;
}
.mk__live {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-ui); font-weight: 600; font-size: 10px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.mk__live i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--ok);
  animation: mk-pulse 2s var(--ease-inout) infinite;
}
@keyframes mk-pulse { 0%,100% { opacity: .4; transform: scale(.85); } 50% { opacity: 1; transform: scale(1); } }

/* ==========================================================================
   A · CHAT
   ========================================================================== */
.mk-chat__body {
  flex: 1;
  display: flex; flex-direction: column; gap: var(--sp-3);
  padding: var(--sp-5);
  justify-content: flex-end;
  overflow: hidden;   /* los mensajes viejos se van por arriba, no estiran el marco */
}

.mk-msg { display: flex; max-width: 82%; }
.mk-msg--in  { align-self: flex-start; }
.mk-msg--out { align-self: flex-end; }

.mk-bubble {
  padding: var(--sp-3) var(--sp-4);
  border-radius: 16px;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.45;
  /* estado inicial: fuera. La clase .is-in lo trae. */
  opacity: 0;
  transform: translate3d(0, 10px, 0) scale(.96);
  transition:
    opacity 420ms var(--ease-out),
    transform 420ms var(--ease-spring);
}
.mk-msg.is-in .mk-bubble { opacity: 1; transform: none; }

.mk-msg--in .mk-bubble {
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  color: var(--ink);
  border-bottom-left-radius: 5px;
}
.mk-msg--out .mk-bubble {
  background: var(--accent);
  color: var(--accent-ink);
  border-bottom-right-radius: 5px;
}

.mk-bubble__time {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  opacity: .6;
}

/* Puntos de "escribiendo" */
.mk-typing {
  align-self: flex-end;
  display: flex; align-items: center; gap: 4px;
  padding: var(--sp-3) var(--sp-4);
  border-radius: 16px; border-bottom-right-radius: 5px;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  opacity: 0;
  transform: translate3d(0, 8px, 0) scale(.94);
  transition: opacity 260ms var(--ease-out), transform 260ms var(--ease-spring);
}
.mk-typing.is-in { opacity: 1; transform: none; }
.mk-typing i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink); opacity: .5;
}
.mk-typing.is-in i { animation: mk-typing 1.25s var(--ease-inout) infinite; }
.mk-typing i:nth-child(2) { animation-delay: .16s; }
.mk-typing i:nth-child(3) { animation-delay: .32s; }
@keyframes mk-typing {
  0%, 60%, 100% { transform: translateY(0);    opacity: .35; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

/* Chip de resultado */
.mk-chat__result {
  display: flex; align-items: center; gap: var(--sp-2);
  align-self: flex-start;
  margin-top: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--ok) 16%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ok) 42%, transparent);
  font-family: var(--font-ui); font-weight: 600; font-size: var(--fs-xs);
  color: var(--ink);
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-spring);
}
.mk-chat__result.is-in { opacity: 1; transform: none; }
.mk-chat__result .icon { stroke: var(--ok); stroke-width: 2.4; }

/* ==========================================================================
   B · SISTEMA / OS
   ========================================================================== */
.mk-os__body { flex: 1; display: grid; grid-template-columns: 132px 1fr; min-height: 0; }

.mk-os__side {
  border-right: 1px solid var(--line);
  padding: var(--sp-4) var(--sp-3);
  display: flex; flex-direction: column; gap: 3px;
}
.mk-os__nav {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui); font-weight: 600; font-size: var(--fs-xs);
  color: var(--ink-soft);
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.mk-os__nav i {
  width: 12px; height: 12px; border-radius: 3px;
  background: currentColor; opacity: .35; flex-shrink: 0;
}
.mk-os__nav.is-active {
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  color: var(--ink);
}
.mk-os__nav.is-active i { opacity: 1; background: var(--accent); }

.mk-os__main { padding: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-5); min-width: 0; }

/* --- KPIs --- */
.mk-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.mk-kpi {
  padding: var(--sp-4);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px var(--line);
}
.mk-kpi__label {
  font-family: var(--font-ui); font-weight: 600; font-size: 10px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.mk-kpi__value {
  margin-top: var(--sp-2);
  font-family: var(--font-display);
  font-size: 1.75rem; line-height: 1;
  color: var(--ink);
  /* se revela por barrido, no por contador animado (prohibido por el manual) */
  clip-path: inset(0 100% 0 0);
  transition: clip-path 700ms var(--ease-expo);
}
.mk-kpi.is-in .mk-kpi__value { clip-path: inset(0 -2% 0 0); }

.mk-kpi__track {
  margin-top: var(--sp-3);
  height: 3px; border-radius: 2px;
  background: color-mix(in srgb, var(--ink) 10%, transparent);
  overflow: hidden;
}
.mk-kpi__fill {
  height: 100%;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left center;   /* scaleX, no width */
  transition: transform 900ms var(--ease-expo);
}
.mk-kpi.is-in .mk-kpi__fill { transform: scaleX(var(--fill, .6)); }
.mk-kpi:nth-child(2) .mk-kpi__fill { background: var(--accent-2); }
.mk-kpi:nth-child(3) .mk-kpi__fill { background: var(--ok); }

/* --- Tabla --- */
.mk-table { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.mk-table__head, .mk-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr .7fr 22px;
  gap: var(--sp-3);
  align-items: center;
  padding: var(--sp-3) var(--sp-2);
  font-size: var(--fs-xs);
}
.mk-table__head {
  font-family: var(--font-ui); font-weight: 600; font-size: 10px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
.mk-row {
  color: var(--ink-mute);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 55%, transparent);
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out);
}
.mk-row.is-in { opacity: 1; transform: none; }
.mk-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mk-row__name { color: var(--ink); font-weight: 500; }
.mk-row__check {
  width: 16px; height: 16px; border-radius: 50%;
  background: color-mix(in srgb, var(--ok) 20%, transparent);
  display: flex; align-items: center; justify-content: center;
}
.mk-row__check .icon { stroke: var(--ok); stroke-width: 3; }

/* --- Cursor guionado: sugiere uso real --- */
.mk-cursor {
  position: absolute;
  z-index: 3;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--ink) 14%, transparent);
  pointer-events: none;
  opacity: 0;
  transform: translate3d(var(--cx, 50%), var(--cy, 50%), 0);
  transition:
    transform 900ms var(--ease-inout),
    opacity 400ms var(--ease-out);
}
.mk-cursor.is-in { opacity: .8; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .mk-os__body { grid-template-columns: 1fr; }
  .mk-os__side {
    flex-direction: row; border-right: none; border-bottom: 1px solid var(--line);
    overflow-x: auto;
  }
  .mk-kpis { grid-template-columns: 1fr; }
  .mk-table__head, .mk-row { grid-template-columns: 1.4fr .8fr 22px; }
  .mk-table__head span:nth-child(3), .mk-row span:nth-child(3) { display: none; }
}

/* --------------------------------------------------------------------------
   Reduced motion — estado final, sin loops. mockups.js además no arranca.
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .mk-msg .mk-bubble,
  .mk-chat__result,
  .mk-row { opacity: 1 !important; transform: none !important; }
  .mk-kpi__value { clip-path: none !important; }
  .mk-kpi__fill { transform: scaleX(var(--fill, .6)) !important; }
  .mk-typing { display: none; }
  .mk-cursor { display: none; }
  .mk__live i { animation: none; }
}