:root {
	--fgc-screen-background: #0f172a;
	--fgc-overlay-opacity: 0.72;
	--fgc-overlay-start: #0f172a;
	--fgc-overlay-end: #1e293b;
	--fgc-card-background: #ffffff;
	--fgc-card-text: #111827;
	--fgc-card-muted: #5b6475;
	--fgc-input-background: #ffffff;
	--fgc-input-text: #111827;
	--fgc-input-border: #94a3b8;
	--fgc-button-background: #0f766e;
	--fgc-button-hover-background: #115e59;
	--fgc-button-text: #ffffff;
	--fgc-surface-border: rgba(255, 255, 255, 0.22);
	--fgc-danger-bg: rgba(185, 28, 28, 0.12);
	--fgc-danger-text: #991b1b;
	--fgc-shadow: 0 28px 65px rgba(15, 23, 42, 0.24);
}

html,
body {
	min-height: 100%;
	margin: 0;
}

body.fgc-login-screen {
	font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
	color: var(--fgc-card-text);
	background-color: var(--fgc-screen-background);
	background-image: var(--fgc-login-background, none);
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	position: relative;
}

.fgc-login-overlay {
	position: fixed;
	inset: 0;
	background: linear-gradient(180deg, var(--fgc-overlay-start), var(--fgc-overlay-end));
	opacity: var(--fgc-overlay-opacity);
}

.fgc-login-shell {
	position: relative;
	z-index: 1;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 32px 18px;
}

.fgc-login-card {
	width: min(100%, 460px);
	background: var(--fgc-card-background);
	color: var(--fgc-card-text);
	border: none;
	backdrop-filter: blur(16px);
	border-radius: 24px;
	box-shadow: var(--fgc-shadow);
	padding: 34px 30px;
}

.fgc-login-logo {
	text-align: center;
	margin-bottom: 22px;
}

.fgc-login-logo img {
	max-width: 210px;
	max-height: 78px;
	width: auto;
	height: auto;
}

.fgc-login-header {
	text-align: center;
	margin-bottom: 24px;
}

.fgc-login-header h1 {
	margin: 0;
	font-size: 2rem;
	line-height: 1.12;
	letter-spacing: -0.03em;
	color: var(--fgc-card-text);
}

.fgc-login-header p {
	margin: 12px 0 0;
	color: var(--fgc-card-muted);
	font-size: 0.98rem;
}

.fgc-login-copy {
	color: var(--fgc-card-muted);
	font-size: 0.95rem;
	margin-bottom: 20px;
}

.fgc-login-copy p {
	margin: 0 0 0.8em;
}

.fgc-login-copy-bottom {
	margin: 20px 0 0;
}

.fgc-login-alert {
	background: var(--fgc-danger-bg);
	color: var(--fgc-danger-text);
	border-radius: 14px;
	padding: 12px 14px;
	margin-bottom: 18px;
	font-size: 0.94rem;
}

.fgc-login-form {
	display: grid;
	gap: 16px;
}

.fgc-field {
	display: grid;
	gap: 8px;
}

.fgc-field label {
	font-size: 0.92rem;
	font-weight: 600;
	color: var(--fgc-card-text);
}

.fgc-field input {
	width: 100%;
	border: 1px solid var(--fgc-input-border);
	border-radius: 14px;
	padding: 14px 16px;
	font-size: 1rem;
	background: var(--fgc-input-background);
	color: var(--fgc-input-text);
	box-sizing: border-box;
	transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.fgc-field input::placeholder {
	color: var(--fgc-card-muted);
}

.fgc-field input:focus {
	outline: none;
	border-color: var(--fgc-button-background);
	box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
	transform: translateY(-1px);
}

.fgc-submit {
	border: 0;
	border-radius: 14px;
	padding: 15px 18px;
	background: var(--fgc-button-background);
	color: var(--fgc-button-text);
	font-size: 1rem;
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
	box-shadow: none;
}

.fgc-submit:hover {
	background: var(--fgc-button-hover-background);
	color: var(--fgc-button-text);
	transform: translateY(-1px);
	box-shadow: none;
}

.fgc-submit:disabled {
	opacity: 0.72;
	cursor: wait;
	transform: none;
}

@media (max-width: 640px) {
	.fgc-login-card {
		padding: 28px 20px;
		border-radius: 20px;
	}

	.fgc-login-header h1 {
		font-size: 1.7rem;
	}
}