/* ==========================================================================
   Auth — compact UX (Tajawal via theme tokens)
   ========================================================================== */

body.usdt-auth-page {
	background:
		radial-gradient(700px 360px at 80% -10%, color-mix(in srgb, var(--md-sys-color-primary) 16%, transparent), transparent 55%),
		radial-gradient(520px 280px at 0% 100%, color-mix(in srgb, var(--md-sys-color-tertiary) 10%, transparent), transparent 50%),
		var(--bg);
	min-height: 100vh;
}

body.usdt-auth-page .site-footer {
	display: none;
}

.auth-shell {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 1rem 1rem 1.5rem;
	gap: 1rem;
}

.auth-topbar {
	width: min(100%, 420px);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
}

.auth-topbar .brand-name {
	font-size: 1.05rem;
	font-weight: 800;
}

.auth-card--compact {
	width: min(100%, 420px);
	padding: 1.25rem 1.2rem 1.1rem;
	border-radius: var(--md-shape-lg);
	background: var(--glass-bg-strong);
	backdrop-filter: blur(22px) saturate(1.3);
	-webkit-backdrop-filter: blur(22px) saturate(1.3);
	border: 1px solid var(--glass-border);
	box-shadow: var(--md-elevation-2), inset 0 1px 0 var(--glass-highlight);
	animation: fadeUp 0.4s var(--ease) both;
}

.auth-card-header {
	margin-bottom: 1rem;
	text-align: center;
}

.auth-card-header h1 {
	margin: 0 0 0.25rem;
	font-family: var(--font-display);
	font-size: 1.35rem;
	font-weight: 800;
	letter-spacing: -0.02em;
}

.auth-card-header p {
	margin: 0;
	color: var(--text-muted);
	font-size: 0.88rem;
	line-height: 1.45;
}

.auth-form .form-group {
	margin-bottom: 0.75rem;
}

.auth-form .form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.65rem;
	margin-bottom: 0;
}

.auth-form .form-row .form-group {
	margin-bottom: 0.75rem;
}

.auth-form label {
	display: block;
	margin-bottom: 0.3rem;
	font-size: 0.8rem;
	font-weight: 700;
	color: var(--text-muted);
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="tel"],
.auth-form input[type="number"],
.auth-form select,
.auth-form textarea {
	width: 100%;
	max-width: 100%;
	box-sizing: border-box;
	padding: 0.65rem 0.85rem;
	border-radius: 12px;
	border: 1px solid var(--border);
	background: var(--bg-elevated);
	color: var(--text);
	font-family: inherit;
	font-size: 0.92rem;
	line-height: 1.4;
	transition: border-color 0.2s, box-shadow 0.2s;
	appearance: none;
	-webkit-appearance: none;
}

.auth-form input::placeholder {
	color: var(--text-dim);
	opacity: 0.85;
}

.auth-form input:focus,
.auth-form select:focus,
.auth-form textarea:focus {
	outline: none;
	border-color: var(--md-sys-color-primary);
	box-shadow: var(--focus-ring);
}

.auth-form .form-hint {
	margin: 0.35rem 0 0;
	font-size: 0.78rem;
	color: var(--text-dim);
	line-height: 1.4;
}

.password-field {
	position: relative;
}

.password-field input {
	padding-inline-end: 2.5rem;
}

.password-toggle {
	position: absolute;
	inset-inline-end: 0.2rem;
	top: 50%;
	transform: translateY(-50%);
	border: 0;
	background: transparent;
	cursor: pointer;
	color: var(--text-muted);
	display: inline-grid;
	place-items: center;
	width: 36px;
	height: 36px;
	border-radius: 999px;
	padding: 0;
}

.password-toggle:hover {
	color: var(--text);
	background: var(--accent-dim);
}

.auth-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	margin-bottom: 0.85rem;
	flex-wrap: wrap;
}

.checkbox-label {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.82rem;
	color: var(--text-muted);
	cursor: pointer;
}

.auth-link-muted {
	font-size: 0.8rem;
	color: var(--text-dim);
}

.auth-form .btn-block {
	min-height: 44px;
	margin-top: 0.15rem;
}

.auth-switch {
	margin: 0.9rem 0 0;
	text-align: center;
	font-size: 0.86rem;
	color: var(--text-muted);
}

.auth-switch a {
	font-weight: 700;
	color: var(--accent-2);
}

.form-message {
	padding: 0.65rem 0.8rem;
	border-radius: 10px;
	margin-bottom: 0.75rem;
	font-size: 0.85rem;
}

.form-message.is-success {
	background: rgba(34, 197, 94, 0.12);
	border: 1px solid rgba(34, 197, 94, 0.3);
	color: var(--success);
}

.form-message.is-error {
	background: rgba(239, 68, 68, 0.12);
	border: 1px solid rgba(239, 68, 68, 0.3);
	color: var(--danger);
}

/* Compact account type chips */
.account-type-fieldset {
	border: 0;
	margin: 0 0 0.85rem;
	padding: 0;
}

.account-type-fieldset legend {
	font-size: 0.8rem;
	font-weight: 700;
	color: var(--text-muted);
	margin-bottom: 0.45rem;
	padding: 0;
}

.account-type-chips {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.55rem;
}

.account-chip {
	margin: 0;
	cursor: pointer;
}

.account-chip input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.account-chip-inner {
	display: flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.7rem 0.75rem;
	border-radius: 14px;
	border: 1px solid var(--border);
	background: var(--bg-elevated);
	transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
	min-height: 56px;
}

.account-chip-inner .md-icon {
	color: var(--md-sys-color-primary);
	flex-shrink: 0;
}

.account-chip-inner strong {
	display: block;
	font-size: 0.92rem;
	font-weight: 800;
	line-height: 1.2;
}

.account-chip-inner small {
	display: block;
	font-size: 0.72rem;
	color: var(--text-dim);
	line-height: 1.3;
	margin-top: 0.1rem;
}

.account-chip:hover .account-chip-inner {
	border-color: color-mix(in srgb, var(--md-sys-color-primary) 35%, transparent);
}

.account-chip input:focus-visible + .account-chip-inner {
	box-shadow: var(--focus-ring);
}

.account-chip input:checked + .account-chip-inner {
	border-color: var(--md-sys-color-primary);
	background: color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
	box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--md-sys-color-primary) 25%, transparent);
}

@media (max-width: 420px) {
	.auth-form .form-row {
		grid-template-columns: 1fr;
		gap: 0;
	}

	.account-type-chips {
		grid-template-columns: 1fr;
	}

	.auth-shell {
		justify-content: flex-start;
		padding-top: 1.25rem;
	}
}

/* Legacy class safety (if cached) */
.auth-layout,
.auth-visual,
.auth-panel {
	display: none;
}

.auth-divider {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	margin: 0.85rem 0 1rem;
	color: var(--text-dim);
	font-size: 0.8rem;
	font-weight: 700;
}

.auth-divider::before,
.auth-divider::after {
	content: '';
	flex: 1;
	height: 1px;
	background: var(--border);
}

.btn-google {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.65rem;
	width: 100%;
	min-height: 2.85rem;
	padding: 0.7rem 1rem;
	border-radius: var(--radius-sm);
	border: 1px solid var(--border);
	background: #fff;
	color: #1f1f1f;
	font-weight: 700;
	text-decoration: none;
	transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-google:hover {
	background: #f7f7f7;
	border-color: color-mix(in srgb, var(--border) 70%, #111);
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.btn-google-icon {
	display: inline-grid;
	place-items: center;
	flex-shrink: 0;
}

[data-theme="dark"] .btn-google,
body.theme-dark .btn-google {
	background: #fff;
	color: #1f1f1f;
}