/* =========================================================
   Pulido visual global: tipografía, movimiento, bordes y sidebar
   ========================================================= */

:root {
  --ui-font: "Segoe UI Variable", "Aptos", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ui-border: rgba(73, 58, 255, .14);
  --ui-border-hover: rgba(73, 58, 255, .30);
  --ui-shadow: 0 18px 50px rgba(30, 22, 110, .09);
  --ui-shadow-hover: 0 24px 64px rgba(30, 22, 110, .14);
  --ui-ease: cubic-bezier(.2, .8, .2, 1);
}

html[data-theme="dark"] {
  --ui-border: rgba(226, 224, 255, .15);
  --ui-border-hover: rgba(118, 107, 255, .42);
  --ui-shadow: 0 22px 54px rgba(0, 0, 0, .22);
  --ui-shadow-hover: 0 28px 72px rgba(0, 0, 0, .31);
}

html,
body {
  font-family: var(--ui-font);
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  background:
    radial-gradient(circle at 88% 8%, rgba(118, 107, 255, .08), transparent 24%),
    radial-gradient(circle at 18% 86%, rgba(73, 58, 255, .055), transparent 28%),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  z-index: -1;
  width: 440px;
  height: 440px;
  top: -160px;
  right: -150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 107, 255, .13), rgba(118, 107, 255, 0) 68%);
  filter: blur(10px);
  pointer-events: none;
  animation: ambientDrift 10s var(--ui-ease) infinite alternate;
}

h1,
h2,
h3,
h4,
.brand-copy strong,
.button,
.nav-item,
.metric-card strong,
.summary-list dd {
  letter-spacing: -.022em;
}

h1,
h2 {
  font-weight: 760;
}

h3,
h4,
.button,
.nav-item,
.brand-copy strong {
  font-weight: 720;
}

p,
small,
input,
select,
.summary-list,
.metric-card span {
  letter-spacing: -.005em;
}

/* =========================================================
   Sidebar: más larga, proporcionada y con bordeado profesional
   ========================================================= */

.app-shell {
  grid-template-columns: 288px minmax(0, 1fr) !important;
  gap: 22px;
  padding: 18px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 18px;
  height: calc(100vh - 36px);
  min-height: 620px;
  padding: 26px 20px 20px;
  border: 1px solid var(--ui-border) !important;
  border-radius: 26px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--sidebar) 96%, var(--brand-50) 4%), var(--sidebar));
  box-shadow:
    0 20px 54px rgba(30, 22, 110, .08),
    inset 0 1px 0 rgba(255,255,255,.55);
  overflow: hidden;
  transition:
    border-color .3s var(--ui-ease),
    box-shadow .3s var(--ui-ease),
    transform .3s var(--ui-ease);
  animation: sidebarEnter .58s var(--ui-ease) both;
}

html[data-theme="dark"] .sidebar {
  box-shadow:
    0 22px 58px rgba(0,0,0,.23),
    inset 0 1px 0 rgba(255,255,255,.05);
}

.sidebar::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  top: -95px;
  right: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118,107,255,.16), transparent 68%);
  pointer-events: none;
  animation: sidebarGlow 7s ease-in-out infinite alternate;
}

.sidebar:hover {
  border-color: var(--ui-border-hover) !important;
  box-shadow: var(--ui-shadow-hover);
}

.brand {
  position: relative;
  z-index: 1;
  padding: 7px 6px;
  border-radius: 16px;
  transition: transform .25s var(--ui-ease), background .25s ease;
}

.brand:hover {
  transform: translateX(3px);
  background: color-mix(in srgb, var(--surface-soft) 72%, transparent);
}

.brand-mark {
  transition: transform .35s var(--ui-ease);
}

.brand:hover .brand-mark {
  transform: rotate(-4deg) scale(1.04);
}

.nav-list {
  position: relative;
  z-index: 1;
  gap: 10px;
}

.nav-item {
  border: 1px solid transparent;
  min-height: 48px;
  transition:
    transform .22s var(--ui-ease),
    background .22s ease,
    border-color .22s ease,
    box-shadow .22s ease,
    color .22s ease;
}

.nav-item:hover:not(:disabled) {
  transform: translateX(4px);
  border-color: var(--ui-border);
  background: var(--surface-soft);
}

.nav-item.is-active {
  border-color: color-mix(in srgb, var(--brand-500) 24%, transparent);
  box-shadow: 0 10px 24px rgba(73,58,255,.10);
}

.sidebar-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
}

.sidebar-footer > p {
  display: none !important;
}

.environment-pill {
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: 0 14px;
  border: 1px solid color-mix(in srgb, var(--brand-500) 24%, transparent);
  border-radius: 15px;
  background: color-mix(in srgb, var(--surface-soft) 86%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(73,58,255,.08);
  transition: transform .22s var(--ui-ease), box-shadow .22s ease, border-color .22s ease;
}

.environment-pill:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brand-500) 44%, transparent);
  box-shadow: 0 14px 32px rgba(73,58,255,.13);
}

/* =========================================================
   Movimiento y bordeado global
   ========================================================= */

.main-content {
  padding-top: 18px !important;
  padding-left: clamp(4px, 1vw, 14px) !important;
  padding-right: clamp(4px, 1vw, 14px) !important;
}

.topbar {
  animation: uiFadeDown .48s var(--ui-ease) both;
}

.theme-toggle {
  border-color: var(--ui-border) !important;
  box-shadow: 0 10px 30px rgba(30,22,110,.08);
  transition: transform .22s var(--ui-ease), border-color .22s ease, box-shadow .22s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--ui-border-hover) !important;
  box-shadow: 0 14px 34px rgba(30,22,110,.13);
}

.theme-toggle__icon {
  transition: transform .35s var(--ui-ease);
}

.theme-toggle:hover .theme-toggle__icon {
  transform: rotate(18deg) scale(1.06);
}

.hero-card {
  border: 1px solid rgba(226,224,255,.18);
  box-shadow:
    0 22px 64px rgba(8,0,101,.15),
    inset 0 1px 0 rgba(255,255,255,.11);
  animation: uiFadeUp .62s .04s var(--ui-ease) both;
  transition: transform .35s var(--ui-ease), box-shadow .35s ease;
}

.hero-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 28px 74px rgba(8,0,101,.20),
    inset 0 1px 0 rgba(255,255,255,.13);
}

.hero-card::after {
  animation: heroOrbFloat 7s ease-in-out infinite alternate;
}

.step {
  transition:
    transform .22s var(--ui-ease),
    background .22s ease,
    border-color .22s ease,
    box-shadow .22s ease;
}

.step:hover {
  transform: translateY(-3px);
  border-color: rgba(255,255,255,.28);
}

.step.is-active {
  box-shadow: 0 12px 28px rgba(0,0,0,.10);
}

.content-grid {
  perspective: 1200px;
}

.panel {
  position: relative;
  border: 1px solid var(--ui-border) !important;
  box-shadow:
    var(--ui-shadow),
    inset 0 1px 0 rgba(255,255,255,.52);
  transition:
    transform .28s var(--ui-ease),
    border-color .28s ease,
    box-shadow .28s ease,
    background .22s ease;
}

html[data-theme="dark"] .panel {
  box-shadow:
    var(--ui-shadow),
    inset 0 1px 0 rgba(255,255,255,.05);
}

.panel:hover {
  border-color: var(--ui-border-hover) !important;
  box-shadow:
    var(--ui-shadow-hover),
    inset 0 1px 0 rgba(255,255,255,.58);
}

.panel--form {
  animation: uiFadeUp .60s .10s var(--ui-ease) both;
}

.panel--summary {
  animation: uiFadeUp .60s .18s var(--ui-ease) both;
}

.result-panel:not(.is-hidden),
.success-panel:not(.is-hidden) {
  animation: resultReveal .48s var(--ui-ease) both;
}

.whatsapp-box {
  border: 1px solid var(--ui-border) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.42);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s var(--ui-ease);
}

.whatsapp-box:hover {
  border-color: var(--ui-border-hover) !important;
  box-shadow:
    0 12px 32px rgba(73,58,255,.07),
    inset 0 1px 0 rgba(255,255,255,.52);
}

input,
select {
  border-width: 1.25px;
  transition:
    transform .18s var(--ui-ease),
    border-color .18s ease,
    box-shadow .18s ease,
    background .18s ease;
}

input:hover:not(:disabled),
select:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--brand-500) 32%, var(--border-strong));
}

input:focus,
select:focus {
  transform: translateY(-1px);
}

.segment span {
  border: 1px solid transparent;
  transition:
    transform .18s var(--ui-ease),
    background .18s ease,
    color .18s ease,
    box-shadow .18s ease,
    border-color .18s ease;
}

.segment:hover span {
  transform: translateY(-1px);
  border-color: var(--ui-border);
}

.segment input:checked + span {
  box-shadow: 0 8px 20px rgba(73,58,255,.13);
}

.button {
  transition:
    transform .2s var(--ui-ease),
    box-shadow .2s ease,
    filter .2s ease,
    background .2s ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: saturate(1.04);
}

.button:active:not(:disabled) {
  transform: translateY(0) scale(.985);
}

.button--primary:hover:not(:disabled) {
  box-shadow: 0 14px 30px rgba(73,58,255,.28);
}

.metric-card {
  border-color: var(--ui-border);
  transition: transform .22s var(--ui-ease), border-color .22s ease, box-shadow .22s ease;
}

.metric-card:hover {
  transform: translateY(-3px);
  border-color: var(--ui-border-hover);
  box-shadow: 0 14px 28px rgba(30,22,110,.09);
}

.summary-list div {
  transition: transform .18s var(--ui-ease), background .18s ease, padding .18s ease;
}

.summary-list div:hover {
  transform: translateX(3px);
}

.logic-note,
.availability-message,
.missing-counter,
.success-details {
  border: 1px solid color-mix(in srgb, currentColor 12%, transparent);
}

.status-dot {
  animation: statusPulse 2.3s ease-in-out infinite;
}

/* =========================================================
   Animaciones
   ========================================================= */

@keyframes uiFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes uiFadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes resultReveal {
  from { opacity: 0; transform: translateY(14px) scale(.992); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sidebarEnter {
  from { opacity: 0; transform: translateX(-14px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes ambientDrift {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(-44px,36px,0) scale(1.12); }
}

@keyframes sidebarGlow {
  from { transform: translate3d(0,0,0) scale(1); opacity: .65; }
  to { transform: translate3d(-16px,20px,0) scale(1.12); opacity: 1; }
}

@keyframes heroOrbFloat {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(-24px,18px,0) scale(1.08); }
}

@keyframes statusPulse {
  0%,100% { transform: scale(1); box-shadow: 0 0 0 6px var(--success-soft); }
  50% { transform: scale(1.08); box-shadow: 0 0 0 9px var(--success-soft); }
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 94px minmax(0, 1fr) !important;
    gap: 14px;
    padding: 14px;
  }

  .sidebar {
    top: 14px;
    height: calc(100vh - 28px);
    min-height: 0;
    padding: 22px 12px 16px;
    border-radius: 22px;
  }

  .environment-pill {
    min-height: 42px;
    padding: 0 8px;
    font-size: 0;
  }

  .environment-pill::before {
    content: "●";
    color: var(--success);
    font-size: 14px;
  }
}

@media (max-width: 760px) {
  .app-shell {
    display: block !important;
    padding: 0;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 30;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: 12px 14px;
    border-width: 0 0 1px !important;
    border-radius: 0;
    box-shadow: 0 10px 28px rgba(30,22,110,.08);
  }

  .sidebar::before,
  .sidebar-footer {
    display: none;
  }

  .main-content {
    padding: 22px 15px 48px !important;
  }

  .panel:hover,
  .hero-card:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}