/* Panel de inicio de sesión: CSS autónomo. Enlaza solo este archivo para aplicar este tema. */
:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --bg-2: #edf4ff;
  --surface: #ffffff;
  --surface-2: #f3f7fd;
  --text: #0f172a;
  --soft: #334155;
  --muted: #64748b;
  --border: rgba(15, 23, 42, .10);
  --border-strong: rgba(15, 23, 42, .16);
  --accent: #0284c7;
  --accent-2: #16a34a;
  --danger: #dc2626;
  --warning: #b45309;
  --shadow: 0 24px 70px rgba(15, 23, 42, .14);
  --shadow-soft: 0 14px 34px rgba(15, 23, 42, .10);
  --input-bg: rgba(15, 23, 42, .045);
  --input-bg-hover: rgba(15, 23, 42, .068);
  --focus-ring: color-mix(in srgb, var(--accent) 18%, transparent);
  --button-text-on-accent: #ffffff;
  --panel-gloss: rgba(255, 255, 255, .72);
  --radius: 28px;
  --radius-inner: 18px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--accent) 52%, var(--surface-2)) color-mix(in srgb, var(--surface) 72%, transparent);
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track {
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
  border: 3px solid color-mix(in srgb, var(--surface) 78%, transparent);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent-2) 36%, var(--accent)));
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 88%, white), color-mix(in srgb, var(--accent-2) 48%, var(--accent)));
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: clamp(24px, 5vh, 56px) clamp(16px, 4vw, 34px);
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--text);
  background:
    radial-gradient(circle at 18% -12%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 34rem),
    radial-gradient(circle at 88% 10%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 30rem),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--surface) 36%, var(--bg)) 52%, var(--bg-2));
  font: 400 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--text) 3%, transparent) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .64), transparent 72%);
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 850;
}

a:hover {
  text-decoration: underline;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 86%, white);
  outline-offset: 3px;
}

svg {
  display: block;
}

.login-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 470px);
  padding: clamp(24px, 5vw, 38px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 36%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--surface-2) 92%, transparent));
  box-shadow: var(--shadow);
  background-clip: padding-box;
  isolation: isolate;
}

.login-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--panel-gloss), transparent 34% 70%, color-mix(in srgb, var(--accent) 8%, transparent));
}

.login-panel > * {
  position: relative;
  z-index: 1;
}

.login-copy {
  display: grid;
  gap: 9px;
  margin-bottom: 22px;
  padding-right: 0;
}

.section-kicker {
  margin: 0;
  color: var(--accent);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.login-title {
  margin: 0;
  font-size: clamp(2rem, 8vw, 2.85rem);
  line-height: .98;
  letter-spacing: -.06em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: .98rem;
}

.google-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 54px;
  border-radius: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
  -webkit-tap-highlight-color: transparent;
}

.google-button {
  border: 1px solid var(--border-strong);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.google-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  text-decoration: none;
}

.google-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--border);
}

.login-form,
.field,
.choice-fieldset {
  display: grid;
}

.login-form {
  gap: 16px;
}

.choice-fieldset {
  gap: 10px;
  margin: 0;
  padding: 0;
  min-width: 0;
  border: 0;
}

.choice-legend,
.field-label,
.field-row label {
  color: var(--soft);
  font-size: .88rem;
  font-weight: 900;
}

.choice-legend {
  display: inline-block;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  line-height: 1.2;
}

.choice-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.choice {
  position: relative;
  min-width: 0;
  -webkit-tap-highlight-color: transparent;
}

.choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  appearance: none;
  -webkit-appearance: none;
  white-space: nowrap;
}

.choice-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: color-mix(in srgb, var(--surface) 52%, transparent);
  color: var(--muted);
  font-size: .9rem;
  font-weight: 900;
  text-align: center;
  transition: transform .16s ease, border-color .16s ease, background .16s ease, color .16s ease, box-shadow .16s ease;
}

.choice-label svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.choice input:checked + .choice-label {
  border-color: color-mix(in srgb, var(--accent) 58%, transparent);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--text);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--accent) 12%, transparent);
}

.choice input:focus-visible + .choice-label {
  outline: 2px solid color-mix(in srgb, var(--accent) 86%, white);
  outline-offset: 3px;
}

.choice:hover .choice-label {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 36%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--text);
}

.field {
  gap: 8px;
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field-hint {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
  text-align: right;
}

.input-shell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 17px;
  background: var(--input-bg);
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.input-shell:hover {
  background: var(--input-bg-hover);
}

.input-shell:focus-within {
  border-color: color-mix(in srgb, var(--accent) 64%, transparent);
  background: color-mix(in srgb, var(--accent) 7%, var(--input-bg));
  box-shadow: 0 0 0 5px var(--focus-ring);
}

.input-shell svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--muted);
}

.input-shell input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.input-shell input::placeholder {
  color: color-mix(in srgb, var(--muted) 82%, transparent);
}

.password-action {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 900;
  white-space: nowrap;
  transition: background .16s ease, border-color .16s ease;
}

.password-action:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .86rem;
  font-weight: 800;
}

.remember {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  max-width: 100%;
  min-height: 40px;
  padding: 8px 0;
  color: var(--soft);
  font-weight: 900;
  line-height: 1.25;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.remember input {
  position: relative;
  display: grid;
  place-content: center;
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  margin: 0;
  border: 1.5px solid color-mix(in srgb, var(--muted) 70%, transparent);
  border-radius: 7px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.remember input::after {
  content: "";
  width: 6px;
  height: 10px;
  border: solid var(--button-text-on-accent);
  border-width: 0 2px 2px 0;
  opacity: 0;
  transform: rotate(45deg) scale(.72);
  transition: opacity .14s ease, transform .14s ease;
}

.remember:hover input {
  border-color: color-mix(in srgb, var(--accent) 52%, transparent);
  transform: translateY(-1px);
}

.remember input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 86%, white);
  outline-offset: 3px;
}

.remember input:checked {
  border-color: color-mix(in srgb, var(--accent) 72%, transparent);
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent-2) 42%, var(--accent)));
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent) 20%, transparent);
}

.remember input:checked::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.primary-button {
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent-2) 44%, var(--accent)));
  color: var(--button-text-on-accent);
  box-shadow: 0 18px 36px color-mix(in srgb, var(--accent) 22%, transparent);
}

.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 42px color-mix(in srgb, var(--accent) 28%, transparent);
}

.primary-button:active,
.google-button:active,
.choice:hover .choice-label:active {
  transform: translateY(0);
}

.panel-message,
.context-message {
  color: var(--muted);
  font-size: .84rem;
  font-weight: 850;
  line-height: 1.38;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity .48s ease, transform .48s ease, max-height .48s ease, margin .48s ease, padding .48s ease, border-color .48s ease, background .48s ease;
  will-change: opacity, transform;
}

.panel-message {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  max-height: 0;
  margin: 0;
  padding: 0 12px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 15px;
  background: transparent;
}

.panel-message::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: .42em;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
}

.panel-message.is-visible {
  max-height: 92px;
  margin: -4px 0 16px;
  padding-block: 10px;
  opacity: 1;
  transform: translateY(0);
  border-color: color-mix(in srgb, currentColor 22%, transparent);
  background: color-mix(in srgb, currentColor 9%, transparent);
}

.context-message {
  min-height: 1.2rem;
  margin: 0;
  padding-left: 2px;
}

.context-message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.panel-message[data-tone="info"],
.context-message[data-tone="info"] {
  color: var(--accent);
}

.panel-message[data-tone="success"],
.context-message[data-tone="success"] {
  color: var(--accent-2);
}

.panel-message[data-tone="warning"],
.context-message[data-tone="warning"] {
  color: var(--warning);
}

.panel-message[data-tone="danger"],
.context-message[data-tone="danger"] {
  color: var(--danger);
}

.input-shell.is-invalid {
  border-color: color-mix(in srgb, var(--danger) 68%, transparent);
  background: color-mix(in srgb, var(--danger) 8%, var(--input-bg));
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--danger) 16%, transparent);
}

.input-shell.is-valid {
  border-color: color-mix(in srgb, var(--accent-2) 58%, transparent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent-2) 12%, transparent);
}

.signup-copy {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: .9rem;
  text-align: center;
}

@media (max-width: 520px) {
  body {
    padding: 20px 14px;
  }

  .login-panel {
    padding: 22px;
  }

  .login-copy {
    padding-right: 0;
  }

  .choice-group {
    grid-template-columns: 1fr;
  }

  .field-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .field-hint {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}
.security-challenge {
  padding: 16px;
  border: 1px solid rgba(45, 82, 187, 0.24);
  border-radius: 16px;
  background: rgba(84, 116, 220, 0.08);
}

.security-challenge[hidden] {
  display: none;
}

.security-challenge h2,
.security-challenge p {
  margin: 0 0 10px;
}