*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background: #050d1a;
	font-family: 'Segoe UI', system-ui, sans-serif;
	color: #e2e8f0;
	overflow: hidden;
}

/* Grille de fond animée */
body::before {
	content: '';
	position: fixed;
	inset: 0;
	background-image:
		linear-gradient(rgba(56, 139, 253, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(56, 139, 253, 0.06) 1px, transparent 1px);
	background-size: 40px 40px;
	z-index: 0;
	animation: gridPulse 8s ease-in-out infinite alternate;
}

@keyframes gridPulse {
	from { opacity: 0.4; }
	to   { opacity: 1; }
}

.auth-card {
	position: relative;
	z-index: 1;
	width: 100%;
	max-width: 400px;
	margin: 1rem;
	background: rgba(13, 17, 30, 0.85);
	border: 1px solid rgba(56, 139, 253, 0.25);
	border-radius: 16px;
	padding: 2.5rem 2rem;
	backdrop-filter: blur(12px);
	box-shadow: 0 0 40px rgba(56, 139, 253, 0.1), 0 8px 32px rgba(0,0,0,0.5);
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.5s ease, transform 0.5s ease;
}

body.page-ready .auth-card {
	opacity: 1;
	transform: translateY(0);
}

.auth-logo {
	text-align: center;
	font-size: 2.5rem;
	margin-bottom: 0.5rem;
	filter: drop-shadow(0 0 10px rgba(56, 139, 253, 0.6));
}

.auth-title {
	text-align: center;
	font-size: 1.1rem;
	font-weight: 700;
	color: #388bfd;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	margin-bottom: 0.25rem;
}

.auth-subtitle {
	text-align: center;
	font-size: 0.82rem;
	color: #64748b;
	margin-bottom: 2rem;
	letter-spacing: 0.03em;
}

.auth-form {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.form-group label {
	font-size: 0.75rem;
	font-weight: 600;
	color: #94a3b8;
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.form-group input {
	background: rgba(255,255,255,0.04);
	border: 1px solid rgba(56, 139, 253, 0.2);
	border-radius: 8px;
	padding: 0.65rem 0.875rem;
	color: #e2e8f0;
	font-size: 0.95rem;
	font-family: inherit;
	outline: none;
	transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder { color: #334155; }

.form-group input:focus {
	border-color: #388bfd;
	box-shadow: 0 0 0 3px rgba(56, 139, 253, 0.15);
}

.auth-btn {
	margin-top: 0.5rem;
	background: linear-gradient(135deg, #1d4ed8, #388bfd);
	color: #fff;
	border: none;
	border-radius: 8px;
	padding: 0.75rem;
	font-size: 0.95rem;
	font-weight: 600;
	font-family: inherit;
	cursor: pointer;
	letter-spacing: 0.03em;
	transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
	box-shadow: 0 0 16px rgba(56, 139, 253, 0.35);
}

.auth-btn:hover {
	opacity: 0.92;
	transform: translateY(-1px);
	box-shadow: 0 0 24px rgba(56, 139, 253, 0.5);
}

.auth-btn:active { transform: translateY(0); }

.auth-error {
	min-height: 1.2rem;
	font-size: 0.82rem;
	color: #f87171;
	text-align: center;
	margin-top: 0.25rem;
}

.auth-footer-note {
	margin-top: 1.5rem;
	text-align: center;
	font-size: 0.82rem;
	color: #475569;
}

.auth-footer-note a {
	color: #388bfd;
	text-decoration: none;
	font-weight: 600;
}

.auth-footer-note a:hover { text-decoration: underline; }

footer.app-footer {
	position: fixed;
	bottom: 1rem;
	left: 0; right: 0;
	text-align: center;
	font-size: 0.75rem;
	color: #1e3a5f;
	z-index: 1;
}