/* ============================================================
   MOBILE-FIRST RESPONSIVE STYLES for asanAI
   Phone (< 768px) and Tablet (768px - 1100px)
   Desktop (> 1100px) is untouched — see ribbon_media.css
   ============================================================ */

/* ============================================================
   DESKTOP (> 1100px): hide ALL mobile components
   ============================================================ */
@media only screen and (min-width: 1101px) {
	#mobile_bottom_nav,
	.mobile-overlay,
	.mobile-panel,
	.mobile-drawer-overlay,
	#mobile_lang_switcher {
		display: none !important;
	}
}

/* ============================================================
   BASE TOUCH OVERRIDES (<= 1100px)
   ============================================================ */
@media only screen and (max-width: 1100px) {
	html {
		min-width: auto;
		overflow-x: hidden;
	}

	body {
		-webkit-tap-highlight-color: transparent;
		touch-action: manipulation;
	}

	/* Touch-friendly inputs */
	input[type="number"],
	input[type="text"],
	input[type="email"],
	input[type="url"],
	input[type="search"],
	input[type="password"],
	textarea,
	select {
		min-height: 44px;
		font-size: 16px !important;
		padding: 8px 12px;
	}

	input[type="checkbox"],
	input[type="radio"] {
		min-width: 24px;
		min-height: 24px;
		width: 24px;
		height: 24px;
		cursor: pointer;
	}

	button,
	.ui-button {
		min-height: 44px;
		min-width: 44px;
		padding: 8px 16px;
		font-size: 16px;
		cursor: pointer;
	}

	/* Hide desktop-only elements */
	#asanai_main_logo { display: none !important; }
	#toggle_layer_view_button { display: none !important; }
	#toggle_layers_button { display: none !important; }
	#memory_debugger_div { display: none !important; }
	#imprint_span { display: none !important; }
	#fcnn { pointer-events: none; }
	.layer_identifier_activation { display: none !important; }

	/* Descriptions are appended to #maindiv with position:absolute.
	   They're hidden when layers aren't visible (see write_descriptions). */

	/* Remove desktop layout constraints */
	.left_side {
		float: none;
		min-width: auto;
		margin-left: 0;
	}

	.side_by_side_container {
		width: 100%;
		margin: 0;
	}

	#maindiv {
		width: 100%;
		padding-bottom: 70px;
		transform: none;
		-moz-transform: none;
		-webkit-transform: none;
	}

	/* Ribbon hidden on mobile */
	#ribbon { display: none !important; }
	#ribbon_shower { display: none !important; }
}

/* ============================================================
   BOTTOM NAVIGATION BAR — hidden by default, JS shows it
   ============================================================ */
@media only screen and (max-width: 1100px) {
	#mobile_bottom_nav {
		display: none !important;
	}

	#mobile_bottom_nav.mobile-visible {
		display: flex !important;
	}

	#mainsite {
		padding-bottom: 64px;
	}
}

#mobile_bottom_nav {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	height: 64px;
	z-index: 999999;
	justify-content: space-around;
	align-items: center;
	padding: 0 4px;
	padding-bottom: env(safe-area-inset-bottom, 0px);
	backdrop-filter: blur(20px) saturate(180%);
	-webkit-backdrop-filter: blur(20px) saturate(180%);
	border-top: 0.5px solid var(--color-separator, rgba(60, 60, 67, 0.12));
	box-shadow: 0 -1px 8px rgba(0, 0, 0, 0.06);
}

.mobile-nav-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 3px;
	padding: 6px 2px;
	min-width: 56px;
	max-width: 72px;
	cursor: pointer;
	border: none;
	background: none;
	color: var(--color-label-secondary, rgba(0, 0, 0, 0.55));
	font-size: 10px;
	font-weight: 500;
	transition: color 0.15s ease, transform 0.1s ease;
	-webkit-tap-highlight-color: transparent;
	border-radius: 8px;
	position: relative;
}

.mobile-nav-item:active {
	transform: scale(0.92);
	transition-duration: 0.05s;
}

.mobile-nav-item.active {
	color: var(--color-accent, #007AFF);
}

.mobile-nav-item.active::before {
	content: '';
	position: absolute;
	top: -0.5px;
	left: 50%;
	transform: translateX(-50%);
	width: 24px;
	height: 2px;
	background: var(--color-accent, #007AFF);
	border-radius: 2px;
}

.mobile-nav-icon {
	font-size: 22px;
	line-height: 1;
	height: 26px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.mobile-nav-label {
	font-size: 10px;
	line-height: 1.1;
	white-space: nowrap;
}

#mobile_nav_train .mobile-nav-icon {
	font-size: 26px;
	height: 30px;
}

#mobile_nav_train.training .mobile-nav-icon {
	animation: pulse-train 1s ease-in-out infinite;
}

@keyframes pulse-train {
	0%, 100% { transform: scale(1); }
	50% { transform: scale(1.15); }
}

/* ============================================================
   SLIDE-UP PANELS (Dataset, Settings, Help)
   ============================================================ */
.mobile-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 64px;
	background: rgba(0, 0, 0, 0.4);
	z-index: 99998;
	opacity: 0;
	transition: opacity 0.25s ease;
	pointer-events: none;
}

.mobile-overlay.visible {
	opacity: 1;
	pointer-events: auto;
}

.mobile-panel {
	position: fixed;
	bottom: 64px;
	left: 0;
	right: 0;
	max-height: 70vh;
	background: var(--glass-bg, rgba(255, 255, 255, 0.92));
	backdrop-filter: blur(24px) saturate(180%);
	-webkit-backdrop-filter: blur(24px) saturate(180%);
	border-top: 0.5px solid var(--color-separator, rgba(60, 60, 67, 0.12));
	border-radius: 16px 16px 0 0;
	z-index: 99999;
	overflow-y: auto;
	overflow-x: hidden;
	-webkit-overflow-scrolling: touch;
	transform: translateY(100%);
	transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
	box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
	padding-bottom: env(safe-area-inset-bottom, 0px);
}

.mobile-panel.open {
	transform: translateY(0);
}

.mobile-panel-header {
	position: sticky;
	top: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px 10px;
	border-bottom: 0.5px solid var(--color-separator, rgba(60, 60, 67, 0.12));
	background: inherit;
	z-index: 1;
}

.mobile-panel-title {
	font-size: 17px;
	font-weight: 600;
	color: var(--color-label-primary, rgba(0, 0, 0, 0.85));
	letter-spacing: -0.01em;
}

.mobile-panel-close {
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: var(--color-fill-secondary, rgba(120, 120, 128, 0.12));
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 16px;
	color: var(--color-label-secondary, rgba(0, 0, 0, 0.55));
	-webkit-tap-highlight-color: transparent;
}

.mobile-panel-close:active {
	background: var(--color-fill-primary, rgba(120, 120, 128, 0.2));
}

.mobile-panel-body {
	padding: 16px;
}

.mobile-panel-section {
	margin-bottom: 20px;
}

.mobile-panel-section:last-child {
	margin-bottom: 0;
}

.mobile-panel-section-title {
	font-size: 13px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--color-label-secondary, rgba(0, 0, 0, 0.55));
	margin-bottom: 10px;
	padding: 0 2px;
}

.mobile-panel-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 12px;
	background: var(--color-fill-tertiary, rgba(120, 120, 128, 0.08));
	border-radius: 10px;
	margin-bottom: 8px;
	min-height: 44px;
}

.mobile-panel-row:last-child {
	margin-bottom: 0;
}

.mobile-panel-label {
	font-size: 15px;
	color: var(--color-label-primary, rgba(0, 0, 0, 0.85));
	flex-shrink: 0;
	margin-right: 12px;
}

.mobile-panel-control {
	flex-shrink: 0;
}

.mobile-panel-control select {
	min-height: 36px;
	font-size: 15px;
	padding: 6px 28px 6px 10px;
	border-radius: 8px;
	min-width: 140px;
	background-color: var(--color-bg-primary, #fff);
}

.mobile-panel-control input[type="number"] {
	width: 80px;
	text-align: center;
	border-radius: 8px;
}

.mobile-panel-control input[type="checkbox"],
.mobile-panel-control input[type="radio"] {
	min-width: 22px;
	min-height: 22px;
}

.mobile-train-btn {
	width: 100%;
	min-height: 50px;
	font-size: 18px;
	font-weight: 600;
	letter-spacing: 0.02em;
	border-radius: 12px;
	margin-top: 8px;
	transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.mobile-train-btn:active {
	transform: scale(0.97);
}

.mobile-retrain-btn {
	width: 100%;
	min-height: 44px;
	font-size: 16px;
	border-radius: 12px;
	margin-top: 8px;
}

.mobile-dataset-select {
	width: 100%;
	min-height: 44px;
	font-size: 15px;
	padding: 10px 12px;
	border-radius: 10px;
	margin-bottom: 8px;
	background-color: var(--color-bg-primary, #fff);
}

.mobile-data-origin-select {
	width: 100%;
	min-height: 44px;
	font-size: 15px;
	padding: 10px 12px;
	border-radius: 10px;
	background-color: var(--color-bg-primary, #fff);
}

.mobile-panel-row-stack {
	padding: 10px 12px;
	background: var(--color-fill-tertiary, rgba(120, 120, 128, 0.08));
	border-radius: 10px;
	margin-bottom: 8px;
}

.mobile-panel-row-stack .mobile-panel-label {
	margin-bottom: 6px;
}

.mobile-panel-row-stack .mobile-panel-control {
	width: 100%;
}

.mobile-panel-row-stack .mobile-panel-control select,
.mobile-panel-row-stack .mobile-panel-control input {
	width: 100%;
}

/* ============================================================
   LAYERS DRAWER — full-height slide from left
   ============================================================ */

/* Drawer overlay: covers everything EXCEPT the bottom nav */
.mobile-drawer-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 64px;
	background: rgba(0, 0, 0, 0.45);
	z-index: 99997;
	opacity: 0;
	transition: opacity 0.3s ease;
	pointer-events: none;
}

.mobile-drawer-overlay.visible {
	opacity: 1;
	pointer-events: auto;
}

@media only screen and (max-width: 1100px) {

	/* The layers container becomes a slide-out drawer */
	#layers_container_left.left_side {
		position: fixed;
		top: 0;
		left: 0;
		bottom: 64px;
		width: 85vw;
		background: var(--glass-bg, rgba(255, 255, 255, 0.95));
		backdrop-filter: blur(24px) saturate(180%);
		-webkit-backdrop-filter: blur(24px) saturate(180%);
		z-index: 99998;
		overflow-y: auto;
		overflow-x: hidden;
		-webkit-overflow-scrolling: touch;
		transform: translateX(-100%);
		transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
		box-shadow: none;
		padding: 0;
		min-width: auto;
		float: none;
		display: block !important;
		border-right: 0.5px solid var(--color-separator, rgba(60, 60, 67, 0.12));
	}

	#layers_container_left.left_side.drawer-open {
		transform: translateX(0);
		box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
	}

	#layers_container {
		margin-left: 0;
		padding: 8px;
	}

	/* Layer settings fit inside the drawer */
	.layer_setting {
		width: 100%;
		box-sizing: border-box;
	}

	/* Add/remove layer buttons: touch-friendly */
	.add_remove_layer_button {
		width: 44px;
		height: 44px;
		min-width: 44px;
		min-height: 44px;
		display: inline-flex;
		align-items: center;
		justify-content: center;
		font-size: 20px;
		margin: 2px 4px;
		border-radius: 8px;
	}

	.add_layer {
		color: #34C759;
	}

	.remove_layer {
		color: #FF3B30;
		position: static;
		margin-left: 4px;
	}
}

/* ============================================================
   TAB NAVIGATION — horizontal scroll on phones
   ============================================================ */
@media only screen and (max-width: 1100px) {

	#navbar1 {
		width: 100%;
		overflow-x: auto;
		overflow-y: hidden;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: none;
		-ms-overflow-style: none;
		padding: 0;
		flex-wrap: nowrap;
		gap: 0;
	}

	#navbar1::-webkit-scrollbar {
		display: none;
	}

	.ui-tabs-nav {
		display: flex !important;
		flex-wrap: nowrap !important;
		white-space: nowrap;
		padding: 0 8px;
		gap: 2px;
		min-height: 44px;
		align-items: stretch;
	}

	.ui-tabs-nav li {
		display: flex;
		flex-shrink: 0;
		padding: 0;
		margin: 0;
	}

	.ui-tabs-nav li a {
		display: flex;
		align-items: center;
		justify-content: center;
		padding: 8px 14px;
		font-size: 14px;
		min-height: 40px;
		white-space: nowrap;
		text-decoration: none;
	}

	#hr_nav {
		margin: 0;
	}

	.ui-tabs .ui-tabs-panel {
		padding: 8px;
	}
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
@media only screen and (max-width: 1100px) {

	.right_side {
		float: none;
		margin-left: 0;
		margin-bottom: 80px;
		opacity: 1;
		overflow: visible;
	}

	#right_side {
		width: 100%;
		float: none;
		padding: 4px;
		margin-bottom: 80px;
		overflow: visible;
	}

	.glass_box {
		border-radius: 8px;
		overflow: visible;
	}

	#predictcontainer {
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}

	#summary {
		padding: 8px;
	}

	#summary_table {
		max-width: 100%;
		font-size: 13px;
	}

	.popup {
		min-width: auto;
		width: 95%;
		margin: 8px;
		position: fixed;
	}

	/* Layer descriptions must appear ON TOP of everything including the drawer */
	.descriptions_of_layers {
		z-index: 99999;
		position: absolute;
	}

	/* Layer elements need stacking context */
	.layer {
		position: relative;
		z-index: 1;
	}

	/* Visualization sub-tabs: horizontal scroll inside the visualization panel */
	#visualization_tab > .navi_list,
	#visualization_tab > ul.navi_list {
		display: flex;
		flex-wrap: nowrap;
		overflow-x: auto;
		overflow-y: hidden;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: none;
		-ms-overflow-style: none;
		padding: 4px 8px;
		gap: 2px;
	}

	#visualization_tab > .navi_list::-webkit-scrollbar,
	#visualization_tab > ul.navi_list::-webkit-scrollbar {
		display: none;
	}

	#visualization_tab > .navi_list > li,
	#visualization_tab > ul.navi_list > li {
		flex-shrink: 0;
	}

	#visualization_tab > .navi_list > li > a,
	#visualization_tab > ul.navi_list > li > a {
		white-space: nowrap;
		padding: 6px 12px;
		font-size: 13px;
		display: flex;
		align-items: center;
		min-height: 36px;
	}

	/* Hide the desktop-only large logo, keep language */
	#asanai_main_logo { display: none !important; }

	/* Mobile language switcher (standalone element) */
	#mobile_lang_switcher {
		display: flex !important;
		align-items: center;
		gap: 8px;
		padding: 8px 12px;
		justify-content: center;
	}

	#mobile_lang_switcher img {
		width: 28px;
		height: 28px;
		cursor: pointer;
		transition: transform 0.1s ease;
		border-radius: 4px;
	}

	#mobile_lang_switcher img:active {
		transform: scale(0.9);
	}
}

/* ============================================================
   PHONE-SPECIFIC (< 480px)
   ============================================================ */
@media only screen and (max-width: 480px) {

	body {
		font-size: 14px;
	}

	button,
	.ui-button {
		min-height: 48px;
		padding: 10px 16px;
	}

	.mobile-panel {
		max-height: 75vh;
	}

	.mobile-panel-body {
		padding: 12px;
	}

	.mobile-panel-row {
		padding: 8px 10px;
		flex-direction: column;
		align-items: stretch;
		gap: 6px;
	}

	.mobile-panel-row .mobile-panel-control {
		width: 100%;
	}

	.mobile-panel-row .mobile-panel-control select,
	.mobile-panel-row .mobile-panel-control input[type="number"] {
		width: 100%;
	}

	.mobile-panel-label {
		font-size: 14px;
	}

	.mobile-panel-control select {
		min-width: auto;
		width: 100%;
		font-size: 16px;
	}

	#mobile_bottom_nav {
		height: 56px;
	}

	.mobile-nav-item {
		min-width: 48px;
		max-width: 64px;
		padding: 4px 2px;
	}

	.mobile-nav-icon {
		font-size: 20px;
		height: 24px;
	}

	.mobile-nav-label {
		font-size: 9px;
	}

	#layers_container_left.left_side {
		width: 90vw;
	}

	#photos {
		min-height: 200px;
	}

	table {
		max-width: 100%;
		overflow-x: auto;
	}

	#summary_table {
		font-size: 12px;
	}

	#summary_table th,
	#summary_table td {
		padding: 4px 6px;
	}

	#predict_own_data {
		min-width: auto;
		width: 100%;
	}

	.pe-main-layout {
		flex-direction: column !important;
	}

	.pe-main-layout .pe-console-container {
		flex: none;
		min-width: unset;
	}
}

/* ============================================================
   TABLET (481px - 1100px)
   ============================================================ */
@media only screen and (min-width: 481px) and (max-width: 1100px) {

	.mobile-panel-row {
		padding: 10px 14px;
	}

	.mobile-panel-control select {
		min-width: 160px;
	}

	#layers_container_left.left_side {
		width: 85vw;
	}
}

/* ============================================================
   STATUS BAR — above bottom nav
   ============================================================ */
@media only screen and (max-width: 1100px) {
	#status_bar {
		bottom: 64px;
		height: 28px;
		font-size: 10px;
		z-index: 99998;
	}

	#status_bar #imprint_span {
		display: none;
	}
}

/* ============================================================
   PLOTLY CHARTS — responsive
   ============================================================ */
@media only screen and (max-width: 1100px) {
	.js-plotly-plot,
	.plotly {
		width: 100% !important;
		max-width: 100%;
		overflow-x: auto;
	}
}

/* ============================================================
   WEBCAM / MEDIA
   ============================================================ */
@media only screen and (max-width: 1100px) {
	#webcam_data {
		right: 8px;
		bottom: 80px;
		z-index: 999;
	}

	#webcam_prediction,
	#prediction,
	#handdrawn_predictions {
		font-size: 16px;
	}
}

/* ============================================================
   iOS SAFE AREA
   ============================================================ */
@supports (padding: max(0px)) {
	@media only screen and (max-width: 1100px) {
		#mobile_bottom_nav {
			padding-bottom: max(0px, env(safe-area-inset-bottom));
		}

		.mobile-panel {
			padding-bottom: env(safe-area-inset-bottom, 0px);
		}

		#maindiv {
			padding-bottom: max(70px, calc(64px + env(safe-area-inset-bottom)));
		}
	}
}

/* ============================================================
   DARK MODE OVERRIDES
   ============================================================ */
body.darkmode #mobile_bottom_nav,
body.dark-mode #mobile_bottom_nav {
	background: rgba(28, 28, 30, 0.88);
	border-top-color: rgba(255, 255, 255, 0.1);
}

body.darkmode .mobile-panel,
body.dark-mode .mobile-panel {
	background: rgba(44, 44, 46, 0.95);
}

body.darkmode .mobile-nav-item,
body.dark-mode .mobile-nav-item {
	color: rgba(255, 255, 255, 0.5);
}

body.darkmode .mobile-nav-item.active,
body.dark-mode .mobile-nav-item.active {
	color: var(--color-accent, #0A84FF);
}

body.darkmode .mobile-panel-row,
body.dark-mode .mobile-panel-row {
	background: rgba(255, 255, 255, 0.08);
}

body.darkmode .mobile-panel-title,
body.dark-mode .mobile-panel-title {
	color: #f5f5f7;
}

body.darkmode .mobile-panel-section-title,
body.dark-mode .mobile-panel-section-title {
	color: rgba(255, 255, 255, 0.45);
}

body.darkmode .mobile-panel-label,
body.dark-mode .mobile-panel-label {
	color: #f5f5f7;
}

body.darkmode .mobile-panel-close,
body.dark-mode .mobile-panel-close {
	background: rgba(255, 255, 255, 0.1);
	color: rgba(255, 255, 255, 0.6);
}

body.darkmode .mobile-dataset-select,
body.darkmode .mobile-data-origin-select,
body.dark-mode .mobile-dataset-select,
body.dark-mode .mobile-data-origin-select {
	background-color: rgba(255, 255, 255, 0.08);
	color: #f5f5f7;
}

body.darkmode .mobile-panel-control select,
body.dark-mode .mobile-panel-control select {
	background-color: rgba(255, 255, 255, 0.08);
	color: #f5f5f7;
}

body.darkmode #layers_container_left.left_side,
body.dark-mode #layers_container_left.left_side {
	background: rgba(44, 44, 46, 0.97);
	border-right-color: rgba(255, 255, 255, 0.1);
}