/**
 * Bank Transaction Simulator — Spanish mobile UI (reference design)
 */

:root {
	--bts-navy: #0c1f3f;
	--bts-blue: #1a3d7c;
	--bts-green: #1b9e4b;
	--bts-green-dark: #15803d;
	--bts-red: #d32f2f;
	--bts-red-dark: #b71c1c;
	--bts-white: #ffffff;
	--bts-gray-50: #f8fafc;
	--bts-gray-200: #e2e8f0;
	--bts-gray-500: #64748b;
	--bts-gray-800: #1e293b;
	--bts-welcome-bg: #0a1628;
	--bts-welcome-card: #111d33;
	--bts-gold: #c9a962;
	--bts-radius: 14px;
	--bts-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.bts-app {
	font-family: var(--bts-font);
	color: var(--bts-gray-800);
	max-width: 420px;
	margin: 0 auto;
	min-height: 100vh;
	background: var(--bts-gray-50);
	box-sizing: border-box;
}

.bts-app *,
.bts-app *::before,
.bts-app *::after {
	box-sizing: border-box;
}

.bts-sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	border: 0;
}

/* ── Screen 1: Welcome ── */
.bts-app--welcome {
	background: var(--bts-welcome-bg);
	max-width: 100%;
}

.bts-welcome-header {
	background: var(--bts-blue);
	padding: 2.5rem 1rem 3rem;
	text-align: center;
}

.bts-welcome-logo {
	color: var(--bts-white);
	font-size: 1.1rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.bts-welcome-body {
	background: var(--bts-welcome-card);
	margin: -1.5rem 0 0;
	border-radius: 24px 24px 0 0;
	padding: 2rem 1.5rem 3rem;
	min-height: 60vh;
}

.bts-welcome-title {
	margin: 0 0 0.5rem;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 2rem;
	color: #f5f0e6;
	font-weight: 400;
	border-bottom: 2px solid var(--bts-gold);
	padding-bottom: 0.5rem;
	display: inline-block;
}

.bts-welcome-desc {
	color: #94a3b8;
	font-size: 0.9rem;
	margin: 1rem 0 1.5rem;
	font-family: ui-monospace, monospace;
}

.bts-welcome-error {
	color: #fca5a5;
	font-size: 0.85rem;
	margin-bottom: 1rem;
}

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

.bts-welcome-select,
.bts-welcome-input {
	width: 100%;
	padding: 1rem 1.1rem;
	border: none;
	border-radius: 10px;
	font-size: 1rem;
	background: var(--bts-white);
	color: var(--bts-gray-800);
}

.bts-welcome-input::placeholder {
	color: #94a3b8;
}

.bts-welcome-btn {
	margin-top: 0.5rem;
	width: 100%;
	padding: 1rem;
	border: none;
	border-radius: 12px;
	background: var(--bts-green-dark);
	color: var(--bts-white);
	font-size: 1.05rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
}

.bts-welcome-btn__icon {
	opacity: 0.9;
}

/* ── Top bar (screens 2–4) ── */
.bts-topbar {
	background: var(--bts-navy);
	color: var(--bts-white);
	padding: 0.85rem 1rem 2.5rem;
	display: flex;
	flex-direction: column;
	align-items: center;
	position: relative;
}

.bts-topbar__exit {
	align-self: flex-start;
	color: var(--bts-white);
	text-decoration: none;
	font-size: 0.9rem;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0;
	font-family: inherit;
}

.bts-topbar__logo {
	font-size: 1rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	margin-top: 0.5rem;
}

/* ── Green balance card ── */
.bts-balance-green {
	background: var(--bts-green);
	color: var(--bts-white);
	margin: -1.75rem 1rem 0;
	padding: 1.25rem 1.25rem 1rem;
	border-radius: var(--bts-radius);
	box-shadow: 0 8px 24px rgba(27, 158, 75, 0.35);
	position: relative;
	z-index: 2;
}

.bts-balance-green__label {
	margin: 0;
	font-size: 0.8rem;
	opacity: 0.95;
}

.bts-balance-green__amount {
	margin: 0.25rem 0 0;
	font-size: 1.85rem;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.bts-balance-green__eur {
	margin: 0.35rem 0 0;
	font-size: 0.72rem;
	opacity: 0.85;
}

.bts-currency-toggle {
	display: flex;
	gap: 0.35rem;
	margin-top: 0.85rem;
}

.bts-currency-toggle__btn {
	flex: 1;
	border: 1px solid rgba(255, 255, 255, 0.4);
	background: transparent;
	color: var(--bts-white);
	padding: 0.35rem;
	border-radius: 6px;
	font-size: 0.75rem;
	font-weight: 600;
	cursor: pointer;
}

.bts-currency-toggle__btn.is-active {
	background: var(--bts-white);
	color: var(--bts-green);
}

/* ── Screen 2 body ── */
.bts-home-body {
	background: var(--bts-white);
	margin: 0 1rem 1rem;
	padding: 1.25rem 1rem 1.5rem;
	border-radius: 0 0 var(--bts-radius) var(--bts-radius);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.bts-fee-banner {
	text-align: center;
	font-size: 0.85rem;
	color: var(--bts-gray-500);
	margin: 0 0 1.25rem;
	padding: 0.5rem;
	background: var(--bts-gray-50);
	border-radius: 8px;
}

.bts-section-title {
	text-align: center;
	font-size: 0.95rem;
	font-weight: 600;
	margin: 0 0 1rem;
	color: var(--bts-gray-800);
}

.bts-method-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.75rem;
	margin-bottom: 1.5rem;
}

.bts-method-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
	padding: 1.25rem 0.75rem;
	border: 2px solid var(--bts-gray-200);
	border-radius: var(--bts-radius);
	background: var(--bts-white);
	cursor: pointer;
	transition: border-color 0.15s, box-shadow 0.15s;
}

.bts-method-card:hover,
.bts-method-card:focus {
	border-color: var(--bts-blue);
	box-shadow: 0 4px 12px rgba(26, 61, 124, 0.15);
	outline: none;
}

.bts-method-card__logo {
	font-size: 1.25rem;
	font-weight: 800;
}

.bts-method-card__logo--paypal {
	color: #003087;
}

.bts-method-card__logo--iban {
	color: var(--bts-navy);
}

.bts-method-card__label {
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--bts-gray-500);
	text-align: center;
}

.bts-moves-title {
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	color: var(--bts-gray-500);
	margin: 0 0 0.75rem;
	font-weight: 600;
}

.bts-moves-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.bts-moves-item {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	padding: 0.85rem 0;
	border-bottom: 1px solid var(--bts-gray-200);
	gap: 0.5rem;
}

.bts-moves-item__info strong {
	display: block;
	font-size: 0.9rem;
	margin-bottom: 0.2rem;
}

.bts-moves-item__info time {
	font-size: 0.75rem;
	color: var(--bts-gray-500);
}

.bts-moves-item__amount {
	font-weight: 700;
	font-size: 0.9rem;
	white-space: nowrap;
}

.bts-moves-empty {
	text-align: center;
	color: var(--bts-gray-500);
	padding: 1.5rem 0;
	font-size: 0.9rem;
}

.bts-alert-box {
	display: flex;
	gap: 0.65rem;
	margin-top: 1.25rem;
	padding: 0.85rem;
	background: #f0fdf4;
	border-radius: 8px;
	font-size: 0.78rem;
	line-height: 1.45;
	color: var(--bts-gray-800);
}

.bts-alert-box__icon {
	color: var(--bts-green);
	font-size: 1.1rem;
	flex-shrink: 0;
}

.bts-alert-box strong {
	color: var(--bts-green);
}

/* ── Form sheets (PayPal / IBAN) ── */
.bts-form-sheet {
	background: var(--bts-white);
	margin: -1.5rem 0.75rem 1rem;
	padding: 1.25rem 1rem 1.5rem;
	border-radius: var(--bts-radius) var(--bts-radius) 0 0;
	box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
	min-height: 70vh;
}

.bts-form-sheet__brand {
	text-align: center;
	font-size: 2rem;
	font-weight: 800;
	margin-bottom: 0.5rem;
}

.bts-form-sheet__brand--paypal {
	color: #003087;
}

.bts-form-sheet__brand--iban {
	color: var(--bts-navy);
	letter-spacing: 0.05em;
}

.bts-form-sheet__title {
	text-align: center;
	font-size: 1rem;
	color: var(--bts-navy);
	margin: 0 0 1.25rem;
	font-weight: 700;
}

.bts-form {
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}

.bts-field label {
	display: block;
	font-size: 0.8rem;
	font-weight: 600;
	margin-bottom: 0.3rem;
	color: var(--bts-navy);
}

.bts-field input,
.bts-field select {
	width: 100%;
	padding: 0.7rem 0.75rem;
	border: 1px solid var(--bts-gray-200);
	border-radius: 6px;
	font-size: 0.95rem;
}

.bts-field input:focus,
.bts-field select:focus {
	outline: none;
	border-color: var(--bts-blue);
}

.bts-form-note {
	font-size: 0.75rem;
	color: var(--bts-blue);
	margin: 0.25rem 0 0;
	line-height: 1.4;
}

.bts-btn-send {
	width: 100%;
	margin-top: 0.5rem;
	padding: 0.9rem;
	border: none;
	border-radius: 10px;
	background: var(--bts-green);
	color: var(--bts-white);
	font-size: 1.1rem;
	font-weight: 700;
	text-transform: uppercase;
	cursor: pointer;
	letter-spacing: 0.03em;
}

.bts-btn-send:disabled {
	opacity: 0.55;
	cursor: not-allowed;
}

/* ── Screen 5: Confirm & Success ── */
.bts-screen {
	display: none !important;
}

.bts-screen.is-active {
	display: block !important;
}

.bts-screen[hidden] {
	display: none !important;
}

.bts-screen--center.is-active {
	display: flex !important;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	background: var(--bts-white);
	padding: 2rem 1.5rem;
}

.bts-method-card {
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
	cursor: pointer;
}

.bts-confirm,
.bts-success {
	text-align: center;
	width: 100%;
	max-width: 340px;
}

.bts-confirm__icon--warn {
	width: 0;
	height: 0;
	border-left: 50px solid transparent;
	border-right: 50px solid transparent;
	border-bottom: 86px solid var(--bts-red);
	margin: 0 auto 1.5rem;
	position: relative;
}

.bts-confirm__icon--warn::after {
	content: "!";
	position: absolute;
	left: 50%;
	top: 28px;
	transform: translateX(-50%);
	color: var(--bts-white);
	font-size: 2rem;
	font-weight: 700;
}

.bts-confirm__title {
	color: var(--bts-red);
	font-size: 1.75rem;
	font-weight: 800;
	margin: 0 0 1rem;
	letter-spacing: 0.02em;
}

.bts-confirm__text {
	font-size: 1rem;
	margin: 0 0 1.25rem;
	line-height: 1.4;
}

.bts-confirm__summary {
	background: var(--bts-gray-50);
	border-radius: 8px;
	padding: 1rem;
	text-align: left;
	font-size: 0.85rem;
	margin-bottom: 1.5rem;
	line-height: 1.6;
}

.bts-confirm__actions {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.75rem;
}

.bts-btn-confirm {
	padding: 0.85rem 1rem;
	border: none;
	border-radius: 12px;
	font-size: 1rem;
	font-weight: 600;
	color: var(--bts-white);
	cursor: pointer;
	text-transform: lowercase;
}

.bts-btn-confirm--ok {
	background: var(--bts-green);
}

.bts-btn-confirm--cancel {
	background: var(--bts-red);
}

.bts-success__icon {
	width: 80px;
	height: 80px;
	border-radius: 50%;
	background: var(--bts-green);
	color: var(--bts-white);
	font-size: 2.5rem;
	line-height: 80px;
	margin: 0 auto 1.25rem;
	font-weight: 700;
}

.bts-success__title {
	font-size: 1.35rem;
	font-weight: 700;
	margin: 0 0 0.75rem;
}

.bts-success__fee {
	color: var(--bts-green);
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0 0 1rem;
}

.bts-success__note {
	font-size: 0.9rem;
	line-height: 1.45;
	margin: 0 0 2rem;
	color: var(--bts-gray-800);
}

.bts-success__link {
	background: none;
	border: none;
	color: var(--bts-blue);
	font-size: 1rem;
	text-decoration: underline;
	cursor: pointer;
	padding: 0;
	font-family: inherit;
}

.bts-toast {
	position: fixed;
	bottom: 1.5rem;
	left: 50%;
	transform: translateX(-50%);
	background: var(--bts-navy);
	color: var(--bts-white);
	padding: 0.75rem 1.25rem;
	border-radius: 8px;
	font-size: 0.85rem;
	z-index: 100;
	max-width: 90%;
	text-align: center;
}

.bts-toast.is-error {
	background: var(--bts-red);
}

.bts-error {
	color: var(--bts-red);
	padding: 1rem;
	text-align: center;
}

/* Admin */
.bts-admin-wrap .bts-card-form {
	max-width: 480px;
	background: #fff;
	padding: 1rem;
	border: 1px solid var(--bts-gray-200);
	margin-bottom: 1.5rem;
}

.bts-filter-form {
	margin-bottom: 1rem;
	display: flex;
	gap: 0.5rem;
	align-items: center;
	flex-wrap: wrap;
}

@media (min-width: 480px) {
	.bts-balance-green__amount {
		font-size: 2.1rem;
	}
}