/* ==========================================================
   Auth — login lean multi-paso
   Minimal: solo barras flotantes sobre fondo mesh.
   No labels, no logo, no copy revelador.
   ========================================================== */

/* Fuerza el ocultamiento del shell / gate cuando tienen [hidden].
   El `display: grid` de .app-shell tiene más especificidad que
   el user-agent `[hidden] { display: none }`. */
#app[hidden],
#authGate[hidden],
.login__welcome[hidden] {
  display: none !important;
}

.login {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--sp-4);
  background: var(--bg-0);
  overflow: hidden;
  z-index: var(--z-modal, 100);
  isolation: isolate;
}

/* ---------- Fondo ---------- */
.login__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 700px at 82% -8%, rgba(34, 211, 238, 0.18), transparent 55%),
    radial-gradient(900px 600px at -8% 110%, rgba(59, 130, 246, 0.16), transparent 55%),
    radial-gradient(700px 500px at 50% 50%, rgba(139, 92, 246, 0.06), transparent 60%),
    var(--bg-0);
}

.login__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 30%, transparent 80%);
  pointer-events: none;
}

[data-theme="light"] .login__bg::before {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

.login__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 120% 90% at 50% 50%, transparent 55%, var(--bg-0) 100%);
  pointer-events: none;
}

/* ---------- Form ---------- */
.login__form {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  animation: login-rise 480ms var(--ease) both;
}

@keyframes login-rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Bar (input) ---------- */
.login__bar {
  position: relative;
  height: 56px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--bg-1) 70%, transparent);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow:
    0 12px 36px -12px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
  transition:
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    max-height 320ms var(--ease),
    opacity 240ms var(--ease),
    margin var(--dur) var(--ease),
    transform var(--dur) var(--ease);
  max-height: 56px;
}

@supports not (background: color-mix(in srgb, red, blue)) {
  .login__bar { background: var(--bg-1); }
}

[data-theme="light"] .login__bar {
  background: color-mix(in srgb, var(--bg-1) 90%, transparent);
  box-shadow:
    0 12px 36px -12px rgba(15, 23, 42, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.login__bar:focus-within {
  border-color: var(--accent);
  box-shadow:
    0 0 0 3px var(--accent-dim),
    0 12px 36px -12px rgba(0, 0, 0, 0.55),
    0 0 32px -6px rgba(34, 211, 238, 0.45);
}

[data-theme="light"] .login__bar:focus-within {
  box-shadow:
    0 0 0 3px var(--accent-dim),
    0 12px 36px -12px rgba(15, 23, 42, 0.18),
    0 0 32px -6px rgba(8, 145, 178, 0.30);
}

.login__bar input {
  width: 100%;
  height: 100%;
  padding: 0 56px 0 var(--sp-5);
  background: transparent;
  border: 0;
  color: var(--text-hi);
  font-family: inherit;
  font-size: var(--fs-lg);
  letter-spacing: 0.02em;
  caret-color: var(--accent);
}

.login__bar input:focus { outline: none; }
.login__bar input::placeholder { color: transparent; }
.login__bar input:read-only { cursor: progress; }
.login__bar input:disabled { opacity: 0.55; cursor: not-allowed; }

/* Ocultar revelado nativo del navegador (Edge/Chrome) — queremos cero ruido visual */
.login__bar input::-ms-reveal,
.login__bar input::-ms-clear,
.login__bar input::-webkit-credentials-auto-fill-button {
  display: none !important;
}

/* ---------- Botón flecha (mobile click-to-advance) ---------- */
.login__bar-go {
  position: absolute;
  right: var(--sp-2);
  top: 50%;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--radius-md);
  color: var(--text-lo);
  cursor: pointer;
  opacity: 0.55;
  transform: translateY(-50%);
  transition:
    color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    opacity var(--dur-fast) var(--ease);
}

.login__bar:focus-within .login__bar-go {
  color: var(--accent);
  opacity: 1;
}

.login__bar-go:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  opacity: 1;
}

.login__bar-go:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.login__bar-go:active:not(:disabled) {
  transform: translateY(-50%) scale(0.92);
}

.login__bar--busy .login__bar-go {
  pointer-events: none;
  opacity: 0.3;
}

/* ---------- Progress (línea inferior animada cuando busy) ---------- */
.login__bar-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: transparent;
  overflow: hidden;
  pointer-events: none;
}

.login__bar--busy .login__bar-progress::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-accent);
  transform-origin: left;
  animation: login-progress 1.1s var(--ease) infinite;
}

@keyframes login-progress {
  0%   { transform: translateX(-100%) scaleX(0.3); }
  50%  { transform: translateX(0%)    scaleX(0.6); }
  100% { transform: translateX(100%)  scaleX(0.3); }
}

/* ---------- Welcome (revelado tras validar email) ---------- */
.login__welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--sp-2) var(--sp-2);
  text-align: center;
  animation: login-welcome-in 480ms var(--ease) both;
  animation-delay: 60ms;
}

@keyframes login-welcome-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login__welcome-greet {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-md);
  font-weight: 500;
}

.login__welcome-system {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-hi);
  text-wrap: balance;
  line-height: 1.15;
}

@media (max-width: 480px) {
  .login__welcome-system { font-size: var(--fs-xl); }
}

/* ---------- Reveal/collapse del paso de contraseña ---------- */
.login__bar--collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: calc(var(--sp-3) * -1);
  border-color: transparent;
  pointer-events: none;
  transform: translateY(-4px);
}

.login__bar--collapsed * { visibility: hidden; }

/* ---------- Shake (error silencioso) ---------- */
.login__bar--shake {
  animation: login-shake 420ms cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
  border-color: color-mix(in srgb, var(--danger) 60%, transparent);
}

@keyframes login-shake {
  10%, 90%       { transform: translateX(-2px); }
  20%, 80%       { transform: translateX(3px); }
  30%, 50%, 70%  { transform: translateX(-6px); }
  40%, 60%       { transform: translateX(6px); }
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .login__form { max-width: 100%; }
  .login__bar { height: 52px; }
  .login__bar input {
    padding: 0 var(--sp-4);
    font-size: var(--fs-md);
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .login__form,
  .login__bar--shake,
  .login__bar--busy .login__bar-progress::after {
    animation: none !important;
  }
  .login__bar { transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
}

/* ---------- User pill (sidebar footer) — no relacionado al login pero
   históricamente vivía en este archivo ---------- */
.user-pill__logout {
  margin-left: auto;
  opacity: 0.6;
  transition: opacity var(--dur-fast) var(--ease);
}

.user-pill__logout:hover {
  opacity: 1;
  color: var(--danger);
}

.app-shell[data-sidebar="collapsed"] .user-pill__logout {
  display: none;
}