/* ─────────────────────────────────────────────────────────────────────────────
   RESET & BASE
───────────────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
	             Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
	background-color: var(--color-bg);
	background-image: radial-gradient(var(--color-dot) 1px, transparent 1px);
	background-size: 22px 22px;
	color: var(--color-text);
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
	-webkit-font-smoothing: antialiased;
}

/* ─────────────────────────────────────────────────────────────────────────────
   CUSTOM PROPERTIES
───────────────────────────────────────────────────────────────────────────── */
:root {
	/* ── Brand (code-x.de green) */
	--color-primary:       #1a9e50;
	--color-primary-dark:  #15803d;
	--color-primary-hover: #166e38;
	--color-primary-alpha: rgba(26, 158, 80, 0.12);

	/* ── Neutrals */
	--color-bg:       #eef1f5;
	--color-dot:      #d8dde6;
	--color-surface:  #ffffff;
	--color-border:   #dde3ed;
	--color-text:     #1a2332;
	--color-muted:    #5a6a80;
	--color-subtle:   #8fa0b5;

	/* ── Feedback */
	--color-error:        #c9281c;
	--color-error-bg:     #fff2f1;
	--color-error-border: #f5b8b4;

	/* ── Shadows */
	--shadow-nav:  0 1px 0 var(--color-border);
	--shadow-card: 0 2px 8px rgba(0,0,0,0.04), 0 12px 48px rgba(0,0,0,0.09);
	--shadow-btn:  0 4px 20px rgba(26,158,80,0.35);

	/* ── Geometry */
	--radius-sm:   6px;
	--radius-md:   10px;
	--radius-lg:   16px;
	--radius-xl:   20px;
	--nav-height:  64px;
	--card-width:  440px;

	/* ── Motion */
	--ease: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────────────────────────────────────────────────────────────────────
   NAVIGATION
───────────────────────────────────────────────────────────────────────────── */
.nav-header {
	position: fixed;
	inset-block-start: 0;
	inset-inline: 0;
	z-index: 1000;
	height: var(--nav-height);
	background: var(--color-surface);
	box-shadow: var(--shadow-nav);
}
.nav-container {
	max-width: 1200px;
	margin-inline: auto;
	padding-inline: 24px;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}

/* Logo */
.nav-logo {
	display: flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
	flex-shrink: 0;
}
.nav-logo-mark {
	width: 36px;
	height: 36px;
	background: var(--color-primary);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: background var(--ease);
}
.nav-logo:hover .nav-logo-mark { background: var(--color-primary-dark); }
.nav-logo-name {
	font-size: 17px;
	font-weight: 700;
	color: var(--color-text);
	letter-spacing: -0.35px;
	line-height: 1;
}
.nav-logo-name em {
	color: var(--color-primary);
	font-style: normal;
}

/* Menu */
.nav-menu ul {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 2px;
}
.nav-menu a {
	display: block;
	padding: 7px 13px;
	font-size: 14px;
	font-weight: 500;
	color: var(--color-muted);
	text-decoration: none;
	border-radius: var(--radius-sm);
	white-space: nowrap;
	transition: color var(--ease), background var(--ease);
}
.nav-menu a:hover {
	color: var(--color-primary);
	background: var(--color-primary-alpha);
}
.nav-item-cta a {
	background: var(--color-primary) !important;
	color: #fff !important;
	padding: 7px 16px !important;
}
.nav-item-cta a:hover {
	background: var(--color-primary-dark) !important;
}

/* Hamburger */
.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	background: transparent;
	border: none;
	cursor: pointer;
	border-radius: var(--radius-sm);
	padding: 6px;
	transition: background var(--ease);
	flex-shrink: 0;
}
.nav-toggle:hover { background: var(--color-primary-alpha); }
.nav-toggle span {
	display: block;
	width: 20px;
	height: 2px;
	background: var(--color-text);
	border-radius: 2px;
	transform-origin: center;
	transition: transform var(--ease), opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ─────────────────────────────────────────────────────────────────────────────
   MAIN AREA
───────────────────────────────────────────────────────────────────────────── */
.login-main {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: calc(var(--nav-height) + 48px) 20px 64px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   ERROR BANNER
───────────────────────────────────────────────────────────────────────────── */
.error-banner {
	width: 100%;
	max-width: var(--card-width);
	margin-bottom: 14px;
	padding: 13px 16px;
	display: flex;
	align-items: flex-start;
	gap: 10px;
	background: var(--color-error-bg);
	border: 1px solid var(--color-error-border);
	border-radius: var(--radius-md);
	color: var(--color-error);
	font-size: 14px;
	line-height: 1.5;
	animation: slideDown 0.22s ease both;
}
.error-icon { flex-shrink: 0; margin-top: 1px; }

/* ─────────────────────────────────────────────────────────────────────────────
   LOGIN CARD
───────────────────────────────────────────────────────────────────────────── */
.login-card {
	width: 100%;
	max-width: var(--card-width);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-card);
	overflow: hidden;
	animation: cardIn 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Card header */
.card-header {
	padding: 40px 40px 30px;
	text-align: center;
	border-bottom: 1px solid var(--color-border);
	background: linear-gradient(160deg, #f7fdf9 0%, #fff 60%);
}
.card-logo-mark {
	width: 56px;
	height: 56px;
	margin: 0 auto 20px;
	background: var(--color-primary);
	border-radius: 14px;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 18px rgba(26,158,80,0.28);
}
.card-header h1 {
	font-size: 21px;
	font-weight: 700;
	color: var(--color-text);
	letter-spacing: -0.4px;
	margin-bottom: 6px;
}
.card-header p {
	font-size: 14px;
	color: var(--color-muted);
}

/* Form body */
.card-body { padding: 30px 40px 34px; }

.form-group { margin-bottom: 18px; }

.form-label {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	margin-bottom: 7px;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--color-text);
}
.passwort-vergessen {
	margin-top: -18px;
	margin-bottom: 18px;
	text-align: right;
}
.passwort-vergessen a {
	font-size: 13px;
	font-weight: 400;
	color: var(--color-primary);
	text-decoration: none;
	transition: color var(--ease);
}
.passwort-vergessen a:hover { color: var(--color-primary-dark); text-decoration: underline; }

.input-wrap {
	position: relative;
	display: flex;
	align-items: center;
}
.input-icon {
	position: absolute;
	left: 13px;
	color: var(--color-subtle);
	display: flex;
	pointer-events: none;
	transition: color var(--ease);
}
.form-input {
	width: 100%;
	height: 46px;
	padding: 0 14px 0 42px;
	font-size: 14.5px;
	color: var(--color-text);
	background: #f7f9fc;
	border: 1.5px solid var(--color-border);
	border-radius: var(--radius-md);
	outline: none;
	transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
	-webkit-appearance: none;
}
.form-input::placeholder { color: var(--color-subtle); }
.form-input:hover:not(:focus) { border-color: #c5cdd9; }
.form-input:focus {
	background: #fff;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-alpha);
}
.input-wrap:focus-within .input-icon { color: var(--color-primary); }

/* Password toggle */
.pw-btn {
	position: absolute;
	right: 11px;
	background: none;
	border: none;
	cursor: pointer;
	color: var(--color-subtle);
	padding: 5px;
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	transition: color var(--ease), background var(--ease);
}
.pw-btn:hover { color: var(--color-muted); background: #eef1f5; }
.pw-btn .icon-eye-off { display: none; }
.pw-btn.active .icon-eye     { display: none; }
.pw-btn.active .icon-eye-off { display: block; }

/* Remember me */
.form-check {
	display: flex;
	align-items: center;
	gap: 9px;
	margin-bottom: 22px;
}
.form-check input[type="checkbox"] {
	width: 16px;
	height: 16px;
	accent-color: var(--color-primary);
	cursor: pointer;
	flex-shrink: 0;
}
.form-check label {
	font-size: 13.5px;
	color: var(--color-muted);
	cursor: pointer;
	user-select: none;
}

/* Submit button */
.btn-login {
	width: 100%;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-size: 15px;
	font-weight: 600;
	color: #fff;
	background: var(--color-primary);
	border: none;
	border-radius: var(--radius-md);
	cursor: pointer;
	letter-spacing: -0.1px;
	transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
}
.btn-login:hover {
	background: var(--color-primary-dark);
	box-shadow: var(--shadow-btn);
	transform: translateY(-1px);
}
.btn-login:active { transform: translateY(0); box-shadow: none; }

/* Card footer */
.card-footer {
	padding: 16px 40px;
	border-top: 1px solid var(--color-border);
	background: #f7f9fc;
	text-align: center;
}
.card-footer a {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 13.5px;
	color: var(--color-muted);
	text-decoration: none;
	transition: color var(--ease);
}
.card-footer a:hover { color: var(--color-primary); }

/* ─────────────────────────────────────────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────────────────────────────────────────── */
@keyframes cardIn {
	from { opacity: 0; transform: translateY(14px); }
	to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
	from { opacity: 0; transform: translateY(-6px); }
	to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
	.nav-toggle { display: flex; }
	.nav-menu {
		display: none;
		position: fixed;
		inset-block-start: var(--nav-height);
		inset-inline: 0;
		background: var(--color-surface);
		border-top: 1px solid var(--color-border);
		box-shadow: 0 8px 30px rgba(0,0,0,0.08);
		padding: 10px 0 14px;
	}
	.nav-menu.open { display: block; }
	.nav-menu ul { flex-direction: column; gap: 0; }
	.nav-menu a { padding: 12px 24px; border-radius: 0; font-size: 15px; }
	.nav-item-cta a {
		display: block;
		margin: 8px 24px 0 !important;
		padding: 10px 16px !important;
		border-radius: var(--radius-md) !important;
		text-align: center;
	}
}
@media (max-width: 500px) {
	.card-header  { padding: 32px 24px 24px; }
	.card-body    { padding: 24px 24px 28px; }
	.card-footer  { padding: 14px 24px; }
	.login-card   { border-radius: var(--radius-lg); }
}