/**
 * Login page styles
 * Scope: login page only (auth panel swap, forgot password form).
 *
 * Auth panel swap: cross-browser, responsive, reduced-motion aware.
 * Uses transform and opacity for GPU-friendly animation.
 *
 * Author:  Aldrich Delos Santos
 * Date:    2026-02-26
 * Fixes/Changes:
 *   2026-02-26 - Extracted from login.php; login-page-only styles.
 */

/* ---------------------------------------------------------------------------
   Auth panels container: reserve space above fixed footer so "Back to Login" stays visible
   --------------------------------------------------------------------------- */
.login-auth-row {
	padding-bottom: 8em;
}

.auth-panels {
	position: relative;
	overflow: hidden;
	min-height: 280px;
}

@media (min-width: 768px) {
	.auth-panels {
		min-height: 320px;
	}
}

/* ---------------------------------------------------------------------------
   Auth panel base (slide + fade + scale)
   --------------------------------------------------------------------------- */
.auth-panel {
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transform: translateZ(0);
	transform: translateZ(0);
	-webkit-transition: -webkit-transform 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94),
	                    opacity 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
	transition: transform 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94),
	            opacity 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (prefers-reduced-motion: reduce) {
	.auth-panel {
		-webkit-transition: opacity 0.18s ease-out;
		transition: opacity 0.18s ease-out;
	}
	.auth-panels.state-login #loginFormPanel,
	.auth-panels.state-forgot #forgotFormPanel {
		-webkit-transform: none;
		transform: none;
	}
	.auth-panels.state-login #forgotFormPanel,
	.auth-panels.state-forgot #loginFormPanel {
		-webkit-transform: none;
		transform: none;
	}
}

.auth-panel--overlay {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
}

/* ---------------------------------------------------------------------------
   State: login form visible
   --------------------------------------------------------------------------- */
.auth-panels.state-login #loginFormPanel {
	opacity: 1;
	-webkit-transform: translateX(0) scale(1);
	transform: translateX(0) scale(1);
}

.auth-panels.state-login #forgotFormPanel {
	opacity: 0;
	-webkit-transform: translateX(24px) scale(0.98);
	transform: translateX(24px) scale(0.98);
	pointer-events: none;
}

/* ---------------------------------------------------------------------------
   State: forgot password form visible
   --------------------------------------------------------------------------- */
.auth-panels.state-forgot #loginFormPanel {
	opacity: 0;
	-webkit-transform: translateX(-24px) scale(0.98);
	transform: translateX(-24px) scale(0.98);
	pointer-events: none;
}

.auth-panels.state-forgot #forgotFormPanel {
	opacity: 1;
	-webkit-transform: translateX(0) scale(1);
	transform: translateX(0) scale(1);
	pointer-events: auto;
}

@media (min-width: 768px) {
	.auth-panels.state-login #forgotFormPanel {
		-webkit-transform: translateX(32px) scale(0.98);
		transform: translateX(32px) scale(0.98);
	}
	.auth-panels.state-forgot #loginFormPanel {
		-webkit-transform: translateX(-32px) scale(0.98);
		transform: translateX(-32px) scale(0.98);
	}
}

/* ---------------------------------------------------------------------------
   Touch: avoid 300ms tap delay (login page only)
   --------------------------------------------------------------------------- */
#lnkForgotPassword,
#lnkBackToLogin {
	touch-action: manipulation;
}

#lnkBackToLogin.disabled {
	opacity: 0.5;
	cursor: not-allowed;
}