:root {
	--psa-bg: #f5f7fb;
	--psa-surface: #ffffff;
	--psa-text: #1f2937;
	--psa-muted: #6b7280;
	--psa-border: #dbe2ea;
	--psa-primary: #0f62fe;
	--psa-secondary: #475467;
	--psa-success: #0f9d58;
	--psa-warning: #f59e0b;
	--psa-danger: #dc2626;
	--psa-radius: 18px;
	--psa-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
	--psa-max-width: 720px;
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	padding: 0;
	background: var(--psa-bg);
	color: var(--psa-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a {
	color: inherit;
	text-decoration: none;
}

.psa-app {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.psa-header,
.psa-footer {
	background: #ffffff;
	border-bottom: 1px solid var(--psa-border);
}

.psa-footer {
	border-top: 1px solid var(--psa-border);
	border-bottom: 0;
	margin-top: auto;
}

.psa-header-inner,
.psa-footer-inner {
	max-width: var(--psa-max-width);
	margin: 0 auto;
	padding: 14px 16px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.psa-brand {
	font-weight: 700;
	font-size: 1rem;
}

.psa-lang-switcher {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.psa-lang-link {
	padding: 6px 10px;
	border-radius: 999px;
	background: #eef2f6;
	font-size: 0.85rem;
	font-weight: 600;
}

.psa-lang-link.is-active {
	background: var(--psa-primary);
	color: #fff;
}

.psa-main {
	width: 100%;
	padding: 16px;
}

.psa-screen {
	max-width: var(--psa-max-width);
	margin: 0 auto;
}

.psa-screen-title {
	margin: 0 0 16px;
	font-size: clamp(1.5rem, 4vw, 2rem);
	line-height: 1.2;
}

.psa-card {
	background: var(--psa-surface);
	border: 1px solid var(--psa-border);
	border-radius: var(--psa-radius);
	box-shadow: var(--psa-shadow);
	padding: 20px;
}

.psa-theme-grid {
	display: grid;
	gap: 14px;
}

.psa-theme-card {
	display: block;
	border-left: 6px solid var(--psa-theme-color, var(--psa-primary));
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.psa-theme-card:hover {
	transform: translateY(-1px);
}

.psa-card-title {
	margin: 0 0 8px;
	font-size: 1.2rem;
}

.psa-card-text,
.psa-node-content p {
	margin: 0;
	color: var(--psa-text);
	line-height: 1.55;
	white-space: pre-line;
}

.psa-language-badge {
	display: inline-flex;
	align-items: center;
	margin-bottom: 12px;
	padding: 6px 10px;
	border-radius: 999px;
	background: #eef2f6;
	color: var(--psa-muted);
	font-size: 0.8rem;
	font-weight: 700;
}

.psa-answer-list,
.psa-actions {
	display: grid;
	gap: 12px;
	margin-top: 18px;
}

.psa-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 14px 18px;
	border-radius: 16px;
	font-weight: 700;
	line-height: 1.2;
	text-align: center;
	border: 1px solid transparent;
}

.psa-button-block {
	width: 100%;
}

.psa-button-primary {
	background: var(--psa-primary);
	color: #fff;
}

.psa-button-secondary {
	background: #eef2f6;
	color: var(--psa-text);
	border-color: var(--psa-border);
}

.psa-button-success {
	background: var(--psa-success);
	color: #fff;
}

.psa-button-warning {
	background: var(--psa-warning);
	color: #111827;
}

.psa-button-danger {
	background: var(--psa-danger);
	color: #fff;
}

.psa-alert {
	margin-top: 14px;
	padding: 14px 16px;
	border-radius: 14px;
	font-weight: 600;
}

.psa-alert-warning {
	background: #fff7e6;
	color: #8a5a00;
	border: 1px solid #f3d08b;
}

.psa-card-action {
	border-left: 6px solid var(--psa-danger);
}

.psa-card-info {
	border-left: 6px solid var(--psa-primary);
}

.psa-card-end {
	border-left: 6px solid var(--psa-success);
}

@media (min-width: 768px) {
	.psa-main {
		padding: 24px;
	}

	.psa-theme-grid {
		grid-template-columns: 1fr 1fr;
	}
}

.psa-install-tools {
	width: 100%;
	display: grid;
	gap: 10px;
}

#psa-install-button[hidden],
#psa-ios-install-hint[hidden] {
	display: none !important;
}

.psa-brand {
	display: inline-flex;
	align-items: center;
	font-weight: 700;
	font-size: 1rem;
}

.psa-brand-logo {
	display: block;
	max-height: 44px;
	width: auto;
	max-width: 220px;
	object-fit: contain;
}

.psa-note-box {
	margin-top: 14px;
	padding-top: 4px;
}

.psa-note-fields {
	display: grid;
	gap: 10px;
}

.psa-note-field {
	display: grid;
	gap: 4px;
}

.psa-note-label {
	font-size: 0.95rem;
	font-weight: 600;
	line-height: 1.2;
}

.psa-note-help {
	font-size: 0.8rem;
	line-height: 1.3;
	opacity: 0.75;
}

.psa-note-input {
	width: 100%;
	min-height: 44px;
	padding: 10px 12px;
	border: 1px solid #d0d7de;
	border-radius: 12px;
	background: #fff;
	font-size: 1rem;
	line-height: 1.3;
	box-sizing: border-box;
}

.psa-note-input-textarea {
	min-height: 88px;
	resize: vertical;
}

.psa-note-actions {
	margin-top: 10px;
	display: flex;
	justify-content: flex-start;
}

.psa-button-compact {
	min-height: 42px;
	padding: 10px 14px;
	font-size: 0.95rem;
}

@media (max-width: 640px) {
	.psa-note-fields {
		gap: 8px;
	}

	.psa-note-input {
		min-height: 42px;
		padding: 10px 11px;
		font-size: 16px;
	}

	.psa-note-input-textarea {
		min-height: 82px;
	}

	.psa-note-label {
		font-size: 0.92rem;
	}

	.psa-note-help {
		font-size: 0.78rem;
	}
}

.psa-login-screen {
	padding-top: clamp(16px, 5vw, 36px);
}

.psa-login-card {
	max-width: 460px;
	margin: 0 auto;
	padding: clamp(20px, 4vw, 30px);
}

.psa-login-title {
	margin-bottom: 18px;
	text-align: center;
}

.psa-login-message {
	margin-bottom: 16px;
	padding: 12px 14px;
	border-radius: 14px;
	font-size: 0.92rem;
	line-height: 1.45;
}

.psa-login-message--error {
	background: #fef2f2;
	border: 1px solid #fecaca;
	color: #991b1b;
}

.psa-login-message--success {
	background: #ecfdf3;
	border: 1px solid #bbf7d0;
	color: #166534;
}

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

.psa-login-field label {
	display: block;
	margin-bottom: 8px;
	font-size: 0.92rem;
	font-weight: 600;
}

.psa-login-field input[type="text"],
.psa-login-field input[type="password"] {
	width: 100%;
	padding: 14px 16px;
	border-radius: 14px;
	border: 1px solid var(--psa-border);
	background: #f8fafc;
	color: var(--psa-text);
	font-size: 1rem;
	line-height: 1.2;
	outline: none;
	transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.psa-login-field input[type="text"]:focus,
.psa-login-field input[type="password"]:focus {
	border-color: #60a5fa;
	background: #ffffff;
	box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.18);
}

.psa-login-checkbox {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-size: 0.92rem;
	color: var(--psa-muted);
	cursor: pointer;
}

.psa-login-checkbox input[type="checkbox"] {
	margin: 0;
}


.psa-node-content a {
	color: var(--psa-primary);
	text-decoration: underline;
}

.psa-node-content .psa-phone-link {
	margin-top: 12px;
	text-decoration: none;
}