/**
 * Puerta de entrada de la academia (/entrar/) — Módulo J.
 *
 * Mismo lenguaje visual que el portal (dsr-portal.css): fondo oscuro con
 * los dos colores de marca en degradados radiales, tarjeta de vidrio y
 * acentos derivados. Los colores llegan inline como --lg-primary /
 * --lg-accent; todo lo demás deriva de ellos o de la escala neutra.
 */

* { box-sizing: border-box; }

:root {
	--lg-ink: #E8EFF7;
	--lg-muted: #93A5B8;
	--lg-bg: #0A1220;
	--lg-surface: #101B2D;
	--lg-surface-hi: #16243A;
	--lg-hairline: rgba(255, 255, 255, .09);
	--lg-ok: #37C978;
	--lg-bad: #FF7A76;
	--lg-radius: 18px;
}

html, body { margin: 0; padding: 0; }

.lg-body {
	min-height: 100vh;
	font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
	font-size: 15px;
	line-height: 1.55;
	color: var(--lg-ink);
	background:
		radial-gradient(90% 60% at 85% -10%, color-mix(in srgb, var(--lg-accent) 16%, transparent), transparent 60%),
		radial-gradient(70% 55% at 0% 100%, color-mix(in srgb, var(--lg-primary) 20%, transparent), transparent 55%),
		var(--lg-bg);
}

.lg-stage {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 22px;
	padding: 32px 18px;
}

/* --- Tarjeta ------------------------------------------------------------ */

.lg-card {
	width: 100%;
	max-width: 420px;
	background: linear-gradient(160deg, var(--lg-surface-hi), var(--lg-surface));
	border: 1px solid var(--lg-hairline);
	border-radius: var(--lg-radius);
	padding: 34px 34px 26px;
	box-shadow: 0 24px 70px rgba(0, 0, 0, .45);
	animation: lg-rise .35s ease-out;
}

@keyframes lg-rise {
	from { opacity: 0; transform: translateY(10px); }
	to   { opacity: 1; transform: none; }
}

.lg-brand { text-align: center; margin: 0 0 22px; }
.lg-brand img { max-height: 64px; max-width: 220px; width: auto; display: inline-block; margin: 0 0 12px; }
.lg-brand strong { display: block; font-size: 17px; letter-spacing: .2px; }
.lg-brand span {
	display: block;
	margin-top: 3px;
	font-size: 11.5px;
	letter-spacing: 2.4px;
	text-transform: uppercase;
	color: var(--lg-accent);
	font-weight: 600;
}

/* --- Avisos ------------------------------------------------------------- */

.lg-notice {
	margin: 0 0 18px;
	padding: 11px 16px;
	border-radius: 12px;
	font-size: 13.5px;
	font-weight: 600;
	background: color-mix(in srgb, var(--lg-bg) 55%, transparent);
	border: 1px solid var(--lg-hairline);
}

.lg-notice.is-ok  { border-left: 3px solid var(--lg-ok);  color: var(--lg-ok); }
.lg-notice.is-bad { border-left: 3px solid var(--lg-bad); color: var(--lg-bad); }

.lg-hint { margin: 0 0 18px; color: var(--lg-muted); font-size: 14px; }

/* --- Campos ------------------------------------------------------------- */

.lg-field { display: block; margin: 0 0 16px; }

.lg-field > span:first-child {
	display: block;
	margin: 0 0 6px;
	font-size: 12px;
	letter-spacing: 1.4px;
	text-transform: uppercase;
	color: var(--lg-muted);
	font-weight: 600;
}

.lg-field input {
	width: 100%;
	padding: 12px 16px;
	border-radius: 12px;
	border: 1px solid var(--lg-hairline);
	background: var(--lg-bg);
	color: var(--lg-ink);
	font-size: 15px;
	transition: border-color .15s, box-shadow .15s;
}

.lg-field input:focus {
	outline: none;
	border-color: color-mix(in srgb, var(--lg-accent) 70%, transparent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--lg-accent) 25%, transparent);
}

/* Contraseña con botón de ver/ocultar dentro del campo. */
.lg-pass { position: relative; display: block; }
.lg-pass input { padding-right: 48px; }

.lg-eye {
	position: absolute;
	top: 50%;
	right: 8px;
	transform: translateY(-50%);
	border: 0;
	background: transparent;
	color: var(--lg-muted);
	font-size: 17px;
	line-height: 1;
	padding: 8px;
	cursor: pointer;
	border-radius: 8px;
	opacity: .65;
}

.lg-eye:hover, .lg-eye.is-on { opacity: 1; color: var(--lg-accent); }

.lg-remember {
	display: flex;
	align-items: center;
	gap: 9px;
	margin: 0 0 20px;
	font-size: 13.5px;
	color: var(--lg-muted);
	cursor: pointer;
	user-select: none;
}

.lg-remember input { width: 16px; height: 16px; accent-color: var(--lg-accent); cursor: pointer; }

/* --- Botón principal ---------------------------------------------------- */

.lg-btn {
	display: block;
	width: 100%;
	padding: 13px 18px;
	border: 0;
	border-radius: 999px;
	background: var(--lg-primary);
	color: #fff;
	font-size: 15px;
	font-weight: 700;
	letter-spacing: .3px;
	cursor: pointer;
	transition: filter .15s, transform .06s;
	box-shadow: 0 10px 26px color-mix(in srgb, var(--lg-primary) 35%, transparent);
}

.lg-btn:hover { filter: brightness(.94); }
.lg-btn:active { transform: translateY(1px); }
.lg-btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--lg-accent) 55%, transparent); outline-offset: 2px; }

/* --- Enlaces y pie ------------------------------------------------------ */

.lg-links { margin: 18px 0 0; text-align: center; font-size: 13.5px; }
.lg-links a { color: var(--lg-accent); text-decoration: none; font-weight: 600; }
.lg-links a:hover { text-decoration: underline; }

.lg-footer { font-size: 12px; color: var(--lg-muted); text-align: center; }

@media (max-width: 480px) {
	.lg-card { padding: 26px 22px 20px; }
	.lg-stage { padding: 22px 14px; justify-content: flex-start; padding-top: 9vh; }
}