/* Full-page settings (replaces the old #profile-modal + #deck-editor-modal popups).
   Linear-style: left sidebar nav grouped into sections, right content pane with
   rows (label + helper text on the left, control on the right). Shares the menu
   surface tokens so it matches the landing / game popups. */

#settings-page {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 2500;
	background: var(--menu-gradient);
	align-items: center;
	justify-content: center;
	padding: 24px;
}

#settings-page[style*="flex"] {
	display: flex !important;
}

.settings-shell {
	display: flex;
	width: min(960px, 96vw);
	height: min(660px, 90vh);
	background: var(--menu-surface);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--menu-radius);
	box-shadow: var(--menu-shadow);
	overflow: hidden;
}

/* ── Sidebar ── */
.settings-nav {
	width: 210px;
	flex-shrink: 0;
	background: var(--menu-bg);
	border-right: 1px solid var(--menu-border);
	padding: 18px 12px;
	display: flex;
	flex-direction: column;
	gap: 2px;
	overflow-y: auto;
}

.settings-nav-head {
	display: flex;
	align-items: center;
	gap: 8px;
	color: var(--menu-text);
	font-size: 1.05rem;
	font-weight: bold;
	padding: 0 8px 12px;
}

.settings-nav-group {
	font-size: 0.68rem;
	letter-spacing: 0.05em;
	color: var(--menu-text-dim);
	text-transform: uppercase;
	padding: 12px 10px 4px;
}

.settings-nav-item {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 9px 10px;
	border-radius: var(--radius-panel);
	color: var(--menu-text-dim);
	font-size: 0.95rem;
	cursor: pointer;
	border: none;
	background: none;
	text-align: left;
	width: 100%;
	transition: background 0.15s, color 0.15s;
}

.settings-nav-item:hover {
	background: var(--accent-cream);
	color: var(--accent-cream-text);
}

.settings-nav-item.active {
	background: var(--accent-cream);
	color: var(--accent-cream-text);
}

.settings-nav-item .icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

/* ── Content pane ── */
.settings-content {
	flex: 1;
	padding: 26px 30px;
	overflow-y: auto;
	position: relative;
}

.settings-close {
	position: absolute;
	top: 6px;
	right: 10px;
	background: none;
	border: none;
	color: var(--menu-text-dim);
	font-size: 1.6rem;
	line-height: 1;
	cursor: pointer;
	/* ≥24px tap target; top/right adjusted so the × stays visually in place. */
	padding: 12px;
	transition: color 0.15s;
}

.settings-close:hover {
	color: var(--menu-text);
}

.settings-section {
	display: none;
}

.settings-section.active {
	display: block;
}

.settings-section-head {
	margin: 0 0 4px;
	font-size: 1.4rem;
	font-weight: bold;
}

.settings-section-sub {
	margin: 0 0 18px;
	font-size: 0.85rem;
	color: var(--menu-text-dim);
}

/* Rows: title + helper on the left, control on the right. */
.settings-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 15px 0;
	border-top: 1px solid var(--menu-border);
}

.settings-row:last-child {
	border-bottom: 1px solid var(--menu-border);
}

.settings-row-main {
	min-width: 0;
}

.settings-row-title {
	font-size: 0.95rem;
}

.settings-row-help {
	font-size: 0.78rem;
	color: var(--menu-text-dim);
	margin-top: 2px;
}

.settings-row-control {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-shrink: 0;
}

.settings-value {
	font-size: 0.9rem;
	color: var(--menu-text);
	opacity: 0.85;
}

/* Outline action button (View / Edit / Login). */
.settings-action {
	background: var(--btn-ghost-bg);
	border: 1px solid var(--btn-ghost-border);
	color: var(--menu-text);
	border-radius: var(--radius-panel);
	padding: 7px 14px;
	font-size: 0.85rem;
	cursor: pointer;
	transition: background 0.15s, border-color 0.15s;
}

.settings-action:hover {
	background: var(--accent-cream);
	border-color: var(--accent-cream);
	color: var(--accent-cream-text);
}

.settings-action.danger {
	color: #f08a8a;
	border-color: rgba(240, 90, 90, 0.4);
}

.settings-action.danger:hover {
	background: rgba(240, 90, 90, 0.12);
}

.settings-action:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.settings-msg {
	font-size: 0.8rem;
	color: var(--menu-text-dim);
	margin-top: 14px;
	min-height: 1em;
}

/* Feedback form */
.settings-feedback-form textarea {
	width: 100%;
	min-height: 130px;
	background: var(--menu-input-bg);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	padding: 10px 12px;
	font-family: inherit;
	font-size: 0.9rem;
	resize: vertical;
}

.settings-feedback-form select {
	background: var(--menu-input-bg);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	padding: 7px 10px;
	font-size: 0.85rem;
}

.settings-feedback-form input[type="email"] {
	width: 100%;
	margin-top: 10px;
	background: var(--menu-input-bg);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	padding: 9px 12px;
	font-family: inherit;
	font-size: 0.9rem;
}

.settings-feedback-actions {
	display: flex;
	justify-content: flex-end;
	margin-top: 12px;
}

/* ── Theme picker (Appearance) ──
   Row of swatch buttons. Each previews its own theme via inline --sw-* vars set
   by settingsPage.js, so the swatches look right regardless of the active theme.
   The selected one gets an accent ring. */
.theme-picker {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin: 4px 0 8px;
}

.theme-swatch {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	padding: 10px;
	background: none;
	border: 2px solid var(--menu-border);
	border-radius: var(--menu-radius);
	cursor: pointer;
	transition: border-color 0.15s, transform 0.1s;
}

.theme-swatch:hover {
	border-color: var(--menu-text-dim);
}

.theme-swatch.active {
	border-color: var(--accent-cream);
}

.theme-swatch-preview {
	position: relative;
	width: 72px;
	height: 48px;
	border-radius: var(--radius-panel);
	background: var(--sw-bg);
	border: 1px solid var(--sw-border);
	overflow: hidden;
}

/* A mini "panel" bar to hint the surface color. */
.theme-swatch-panel {
	position: absolute;
	left: 8px;
	right: 8px;
	top: 9px;
	height: 12px;
	border-radius: 3px;
	background: var(--sw-surface);
}

/* The accent dot (button color). */
.theme-swatch-dot {
	position: absolute;
	left: 10px;
	bottom: 9px;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: var(--sw-accent);
}

.theme-swatch-name {
	font-size: 0.8rem;
	color: var(--menu-text);
}

.theme-swatch.active .theme-swatch-name {
	font-weight: 600;
}

/* Deck builder lives on its own full-screen page (#deck-page). Pieces and
   opening-book selectors use the shared .settings-row layout; only the total
   banner and row controls need styling. */
.deck-form {
	margin-top: 4px;
}

/* Deck-slot tabs (registered accounts only — app.js unhides via /api/decks).
   Same segmented-control look as the in-game AI difficulty picker; the selected
   slot is the live deck used in games. */
.deck-slots {
	display: flex;
	margin-bottom: 10px;
	border-radius: var(--radius-panel, 8px);
	overflow: hidden;
}

/* display:flex above would otherwise beat the hidden attribute (guests must
   never see the slot tabs). */
.deck-slots[hidden] {
	display: none;
}

.deck-slots .deck-slot-btn {
	flex: 1 1 0;
	border: 1px solid var(--menu-border);
	border-right-width: 0;
	background: var(--menu-input-bg);
	color: var(--menu-text);
	padding: 0.55em 0.5em;
	font-size: 0.95rem;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	cursor: pointer;
	transition: background 0.15s, color 0.15s;
}

.deck-slots .deck-slot-btn:last-child {
	border-right-width: 1px;
}

@media (hover: hover) {
	.deck-slots .deck-slot-btn:not(.is-selected):hover {
		background: var(--menu-surface-2);
	}
}

.deck-slots .deck-slot-btn.is-selected {
	background: var(--accent-cream);
	color: var(--accent-cream-text);
	font-weight: 600;
}

.deck-slots .deck-slot-name-input {
	min-width: 0;
	box-sizing: border-box;
	font-family: inherit;
	text-align: center;
	cursor: text;
}

.deck-slots .deck-slot-name-input:focus {
	outline: 2px solid var(--menu-border);
	outline-offset: -2px;
}

/* Card total: prominent banner above the piece rows. Turns red (.invalid, toggled
   by app.js updateDeckTotal) while the deck isn't exactly 105 cards. */
.deck-total {
	display: flex;
	align-items: baseline;
	justify-content: center;
	gap: 6px;
	padding: 14px 0;
	margin-bottom: 8px;
	font-size: 1.5rem;
	font-weight: bold;
	letter-spacing: 0.01em;
	background: var(--menu-surface-2);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	transition: color 0.15s, border-color 0.15s;
}

.deck-total.invalid {
	color: #f08a8a;
	border-color: rgba(240, 90, 90, 0.4);
}

/* Number boxes (piece counts) and dropdowns sit in .settings-row-control. */
.settings-row-control input[type="number"] {
	width: 64px;
	background: var(--menu-input-bg);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	padding: 7px 10px;
	font-size: 0.9rem;
	text-align: right;
}

/* Deck piece steppers: − [count] + replaces the native number spinner. The
   input stays a real <input type=number> (typing still works, JS wiring
   unchanged); only the native spin buttons are suppressed. */
.deck-stepper {
	display: flex;
	align-items: stretch;
	background: var(--menu-input-bg);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	overflow: hidden;
}

.deck-stepper .deck-step {
	width: 34px;
	min-height: 34px;
	border: none;
	background: transparent;
	color: var(--menu-text-dim);
	font-size: 1.05rem;
	line-height: 1;
	cursor: pointer;
	padding: 0;
}

@media (hover: hover) {
	.deck-stepper .deck-step:hover {
		background: var(--menu-surface-2);
		color: var(--menu-text);
	}
}

.deck-stepper .deck-step:active {
	background: var(--menu-surface-2);
	color: var(--menu-text);
}

.settings-row-control .deck-stepper input[type="number"] {
	width: 42px;
	border: none;
	border-radius: 0;
	background: transparent;
	text-align: center;
	padding: 7px 2px;
	-moz-appearance: textfield;
	appearance: textfield;
}

.deck-stepper input[type="number"]::-webkit-outer-spin-button,
.deck-stepper input[type="number"]::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

.settings-row-control select {
	min-width: 110px;
	background: var(--menu-input-bg);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	padding: 7px 10px;
	font-size: 0.85rem;
}

/* Volume slider — themed to match the menu inputs, accent uses the brand color. */
.settings-row-control input[type="range"] {
	width: 160px;
	accent-color: var(--menu-accent, currentColor);
	cursor: pointer;
}

/* Dialogs launched from inside the settings page must stack ABOVE it (the page
   is z-index 2500); the base .modal is only z-index 1000, so they'd open behind
   it and be invisible. Covers the delete-confirm + the profile sub-dialogs. */
#delete-account-modal.modal,
#change-password-modal.modal,
#admin-stats-modal.modal {
	z-index: 3000;
}

/* ── Change-password modal: stacked, labelled fields ───────────────────────
   The default .small-modal is 300px and the bare inputs flow inline, so the
   three fields + buttons wrap into a cramped block. Widen slightly and lay the
   form out as full-width labelled rows like a standard account dialog. */
#change-password-modal .modal-content {
	width: 380px;
	max-width: 90%;
}

#change-password-modal .modal-body {
	text-align: left;
}

#change-password-modal .modal-body > p {
	font-size: 0.85rem;
	color: var(--menu-text-dim);
	margin: 0 0 18px;
	line-height: 1.45;
}

#change-password-form {
	display: flex;
	flex-direction: column;
	gap: 14px;
}

#change-password-form .field {
	display: flex;
	flex-direction: column;
	gap: 5px;
}

#change-password-form label {
	font-size: 0.78rem;
	font-weight: 600;
	color: var(--menu-text-dim);
}

#change-password-form input {
	width: 100%;
	box-sizing: border-box;
	/* extra right padding leaves room for the show/hide eye button */
	padding: 9px 40px 9px 11px;
	background: var(--menu-input-bg);
	color: var(--menu-text);
	border: 1px solid var(--menu-border);
	border-radius: var(--radius-panel);
	font-size: 0.9rem;
}

#change-password-form input:focus {
	outline: none;
	border-color: var(--accent-cream);
}

#change-password-form .button-row {
	display: flex;
	gap: 10px;
	margin-top: 6px;
}

#change-password-form .button-row .settings-action {
	flex: 1;
	padding: 9px 14px;
	text-align: center;
	white-space: nowrap;
}

#change-password-form .settings-action.primary {
	background: var(--accent-cream);
	border-color: var(--accent-cream);
	color: var(--accent-cream-text);
	font-weight: 600;
}

#change-password-form .settings-action.primary:hover {
	filter: brightness(1.05);
}

/* ── Mobile: stack the sidebar into a horizontal tab strip above the content ── */
@media (max-width: 640px), (max-height: 560px) {
	#settings-page {
		padding: 0;
	}

	.settings-shell {
		width: 100vw;
		/* dvh tracks the actual visible height (shrinks when browser UI appears).
		   100vh fallback FIRST so dvh wins where supported. */
		height: 100vh;
		height: 100dvh;
		max-height: 100dvh;
		border: none;
		border-radius: 0;
		flex-direction: column;
	}

	.settings-nav {
		width: 100%;
		flex-direction: row;
		gap: 4px;
		/* Push content below notch / status bar on iOS + Android. */
		padding: max(10px, env(safe-area-inset-top, 0px)) 10px 10px;
		overflow-x: auto;
		overflow-y: hidden;
		border-right: none;
		border-bottom: 1px solid var(--menu-border);
		/* Right-edge fade = "more tabs over here" affordance; the strip scrolls
		   but nothing else hints at the off-screen sections. */
		-webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
		mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
	}

	.settings-nav-head,
	.settings-nav-group {
		display: none;
	}

	.settings-nav-item {
		width: auto;
		flex-shrink: 0;
		white-space: nowrap;
	}

	.settings-content {
		/* Keep content above home-indicator bar on iOS. */
		padding: 20px 18px max(18px, env(safe-area-inset-bottom, 0px));
	}
}

@media (max-width: 640px) {
	.settings-nav {
		display: grid;
		grid-template-columns: repeat(3, minmax(0, 1fr));
		overflow: visible;
		-webkit-mask-image: none;
		mask-image: none;
	}

	.settings-nav-item {
		justify-content: center;
		padding: 9px 4px;
		font-size: 0.8rem;
	}

	#deck-page .settings-row:has(#opening-book-attack-select),
	#deck-page .settings-row:has(#opening-book-defense-select) {
		align-items: stretch;
		flex-direction: column;
		gap: 8px;
	}

	#deck-page .settings-row:has(#opening-book-attack-select) .settings-row-control,
	#deck-page .settings-row:has(#opening-book-defense-select) .settings-row-control,
	#opening-book-attack-select,
	#opening-book-defense-select {
		width: 100%;
	}
}