/* ========================================
   CHAT CONTAINER - Full Screen Layout
   ======================================== */

.boxChat {
	display: flex;
	flex-direction: column;
	height: calc(100% - 120px); /* Full viewport minus header/footer */
	position: relative;
	width: 100%;
	background: var(--bg-primary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-md);
	transition: all var(--transition-base);
}

/* Fullscreen mode - Chat occupies entire viewport */
.chat-fullscreen .boxChat {
	height: calc(100vh - 60px); /* Sottrae altezza topbar (circa 60px) */
	border: none;
	border-radius: 0;
	box-shadow: none;
}

.boxChatContainer {
	flex: 1 1 auto;
	overflow-y: auto;
	overflow-x: hidden;
	padding: 0 var(--space-lg);
	background: var(--bg-primary);
	position: relative;
	scroll-behavior: smooth;
	-webkit-overflow-scrolling: touch;
	min-height: 300px;
	height: 100%;
}

.fatherCnt{
	width: 100%;
	height: calc(100% - 160px); /* 60px for top buttons + 100px for bottom composer */
	position: absolute;
	top: 60px; /* Space for fixed-help-buttons */
	left: 0;
	z-index: 1;
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
.boxChatContainer::-webkit-scrollbar {
	width: 8px;
	background-color: transparent;
}

.boxChatContainer::-webkit-scrollbar-track {
	background: var(--bg-secondary);
	border-radius: var(--radius-full);
}

.boxChatContainer::-webkit-scrollbar-thumb {
	background: var(--border-color);
	border-radius: var(--radius-full);
	transition: background var(--transition-fast);
}

.boxChatContainer::-webkit-scrollbar-thumb:hover {
	background: var(--accent-primary);
}

/* ========================================
   AI MESSAGE BUBBLES
   ======================================== */
.BotUser {
	display: flex;
	justify-content: flex-start;
	width: 100%;
	margin-top: var(--space-lg);
	/* Animazione gestita da .message-entering → .message-visible */
}

/* Stati animazione messaggio AI */
.BotUser.message-entering {
	opacity: 0;
	transform: translateY(20px) translateZ(0);
}

.BotUser.message-visible {
	opacity: 1;
	transform: translateY(0) translateZ(0);
	animation: slideInUp 350ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Animazione slide-in from bottom + fade-in */
@keyframes slideInUp {
	from {
		opacity: 0;
		transform: translateY(20px) translateZ(0);
	}
	to {
		opacity: 1;
		transform: translateY(0) translateZ(0);
	}
}

/* Vecchia animazione slideInLeft - mantenuta per retrocompatibilità */
@keyframes slideInLeft {
	from {
		opacity: 0;
		transform: translateX(-24px) translateY(4px);
	}
	to {
		opacity: 1;
		transform: translateX(0) translateY(0);
	}
}

.BotUser > .BotUserContent {
	display: block;
	padding: var(--space-md) var(--space-lg);
	max-width: 80%;
	background: var(--bubble-ai-bg);
	color: var(--bubble-ai-text);
	border-radius: 0 var(--radius-xl) var(--radius-xl) var(--radius-xl);
	word-wrap: break-word;
	overflow-wrap: break-word;
	box-shadow: var(--shadow-sm);
	transition: all var(--transition-fast);
	border: 1px solid var(--border-light);
}

.BotUser > .BotUserContent:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-1px);
}

.BotUser > .BotUserContent > p {
	font-family: var(--font-family);
	font-size: var(--font-size-base);
	line-height: var(--line-height-relaxed);
	color: var(--bubble-ai-text);
	margin: 0;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	letter-spacing: 0.01em;
}



/* ========================================
   USER MESSAGE BUBBLES
   ======================================== */
.UserMessage {
	display: flex;
	justify-content: flex-end;
	width: 100%;
	margin-top: var(--space-lg);
	animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInRight {
	from {
		opacity: 0;
		transform: translateX(24px) translateY(4px);
	}
	to {
		opacity: 1;
		transform: translateX(0) translateY(0);
	}
}

.UserMessage > .UserMessageContent {
	display: flex;
	align-items: center;
	padding: var(--space-md) var(--space-lg);
	max-width: 70%;
	background: linear-gradient(135deg, var(--bubble-user-from) 0%, var(--bubble-user-to) 100%);
	color: var(--bubble-user-text);
	border-radius: var(--radius-xl) var(--radius-xl) 0 var(--radius-xl);
	box-shadow: var(--shadow-md);
	transition: all var(--transition-fast);
}

.UserMessage > .UserMessageContent:hover {
	box-shadow: var(--shadow-lg);
	transform: translateY(-2px);
}

.UserMessage > .UserMessageContent > p {
	font-family: var(--font-family);
	font-size: var(--font-size-base);
	line-height: var(--line-height-relaxed);
	color: var(--bubble-user-text);
	margin: 0;
	text-align: left;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	letter-spacing: 0.01em;
}


/* ========================================
   MESSAGE COMPOSER - Modern Design
   ======================================== */
.message-composer {
	flex: 0 0 auto;
	display: flex;
	align-items: flex-end;
	gap: 12px;
	padding: 8px;
	background: var(--bg-primary);
	border-top: 1px solid var(--border-color);
	transition: all var(--transition-base);
	/* Fixed positioning to keep composer at bottom during resize */
	position: absolute;
	bottom: 0;
	z-index: 10;
	width: 100%;
	max-height: 150px; /* Prevent overflow - allows textarea expansion but constrains total height */
	box-sizing: border-box;
}

.message-composer:focus-within {
	border-top-color: var(--accent-primary);
	background: var(--bg-secondary);
}

.composer-input-wrapper {
	flex: 1;
	min-width: 0;
}

.chat-input {
	width: 100%;
	min-height: 52px;
	max-height: 120px;
	padding: 14px 18px;
	font-family: var(--font-family);
	font-size: var(--font-size-base);
	line-height: var(--line-height-normal);
	color: var(--text-primary);
	background: transparent;
	border: none;
	outline: none;
	resize: none;
	overflow-y: auto;
}

.chat-input::placeholder {
	color: var(--text-tertiary);
}

.composer-actions {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-shrink: 0;
}

.composer-btn {
	width: 52px;
	height: 52px;
	display: flex;
	align-items: center;
	justify-content: center;
	border: none;
	border-radius: 50%;
	cursor: pointer;
	font-size: 20px;
	transition: all var(--transition-base);
	flex-shrink: 0;
}

.composer-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	transform: none !important;
}

/* Voice Button */
.composer-btn-voice {
	display:none;
	background: var(--bg-secondary);
	color: var(--accent-primary);
	border: 2px solid var(--accent-primary);
	box-shadow: var(--shadow-sm);
}

.composer-btn-voice:hover:not(:disabled) {
	background: var(--accent-light);
	transform: scale(1.08);
	box-shadow: var(--shadow-md);
}

.composer-btn-voice:active:not(:disabled) {
	transform: scale(0.95);
}

.composer-btn-voice.recording {
	background: #EF4444;
	border-color: #DC2626;
	color: #FFFFFF;
	animation: pulse 2s infinite;
}

.composer-btn-voice.recording i {
	color: #FFFFFF;
}

/* Send Button */
.composer-btn-send {
	background: linear-gradient(135deg, var(--bubble-user-from) 0%, var(--bubble-user-to) 100%);
	color: var(--text-inverse);
	box-shadow: var(--shadow-md);
}

.composer-btn-send:hover:not(:disabled) {
	transform: scale(1.08) translateY(-2px);
	box-shadow: var(--shadow-xl);
}

.composer-btn-send:active:not(:disabled) {
	transform: scale(0.95);
}

/* Pulse Animation for Recording */
@keyframes pulse {
	0%, 100% {
		box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
	}
	50% {
		box-shadow: 0 0 0 15px rgba(239, 68, 68, 0);
	}
}



/* ========================================
   FILE UPLOAD COMPONENTS
   ======================================== */
.selected-files-container {
	background: var(--bg-secondary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	padding: var(--space-md);
	margin-top: var(--space-md);
}

.selected-files-list {
	max-height: 300px;
	overflow-y: auto;
}

.selected-file-item {
	background: var(--bg-primary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-sm);
	padding: var(--space-sm);
	margin-bottom: var(--space-xs);
	transition: all var(--transition-fast);
}

.selected-file-item:hover {
	background: var(--accent-light);
	border-color: var(--accent-primary);
	transform: translateX(4px);
}

.file-name {
	color: var(--text-primary);
	font-size: var(--font-size-sm);
	font-family: var(--font-family);
}

/* ========================================
   POPUP NOTIFICATIONS
   ======================================== */
.upload-success-popup,
.upload-error-popup {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.6);
	backdrop-filter: blur(4px);
	display: flex;
	justify-content: center;
	align-items: center;
	z-index: var(--z-modal);
	animation: fadeIn var(--transition-base);
}

.popup-content {
	background: var(--bg-primary);
	border-radius: var(--radius-lg);
	padding: var(--space-xl);
	max-width: 500px;
	width: 90%;
	box-shadow: var(--shadow-xl);
	animation: slideIn var(--transition-base);
	border: 1px solid var(--border-color);
}

.popup-content.success {
	border-left: 4px solid #10B981;
}

.popup-content.error {
	border-left: 4px solid #EF4444;
}

.popup-header {
	display: flex;
	align-items: center;
	margin-bottom: var(--space-md);
	gap: var(--space-sm);
}

.popup-icon {
	font-size: var(--font-size-2xl);
}

.popup-header h5 {
	margin: 0;
	color: var(--text-primary);
	font-family: var(--font-family);
	font-size: var(--font-size-lg);
	font-weight: 600;
}

.popup-body {
	margin-bottom: var(--space-md);
}

.popup-body p {
	margin-bottom: var(--space-sm);
	color: var(--text-secondary);
	font-family: var(--font-family);
	font-size: var(--font-size-base);
}

.popup-body code {
	background: var(--bg-secondary);
	color: var(--accent-primary);
	padding: var(--space-xs) var(--space-sm);
	border-radius: var(--radius-sm);
	font-size: var(--font-size-sm);
	font-family: 'Consolas', 'Monaco', monospace;
	word-break: break-all;
}

.close-popup {
	float: right;
	background: var(--accent-primary);
	color: var(--text-inverse);
	border: none;
	padding: var(--space-sm) var(--space-md);
	border-radius: var(--radius-md);
	cursor: pointer;
	font-family: var(--font-family);
	font-size: var(--font-size-base);
	transition: all var(--transition-fast);
}

.close-popup:hover {
	background: var(--accent-hover);
	transform: translateY(-1px);
	box-shadow: var(--shadow-md);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

@keyframes slideIn {
	from {
		opacity: 0;
		transform: translateY(-20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ========================================
   FLOATING ACTION BUTTON - Scroll to Bottom
   ======================================== */
.scroll-to-bottom-fab {
	position: fixed;
	bottom: 120px; /* Abbassato un pelino (era 140px) */
	right: 40px; /* Allineato con il send button (spostato a sinistra) */
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--bubble-user-from) 0%, var(--bubble-user-to) 100%);
	color: var(--text-inverse);
	border: none;
	box-shadow: var(--shadow-xl);
	cursor: pointer;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 20px;
	transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
	transform: translateZ(0);
	will-change: transform, opacity;

	/* Inizialmente nascosto */
	opacity: 0;
	transform: scale(0.8) translateY(20px) translateZ(0);
	pointer-events: none;
}

.scroll-to-bottom-fab.visible {
	opacity: 1;
	transform: scale(1) translateY(0) translateZ(0);
	pointer-events: auto;
}

.scroll-to-bottom-fab:hover {
	transform: scale(1.1) translateY(-2px) translateZ(0);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.scroll-to-bottom-fab:active {
	transform: scale(0.95) translateY(0) translateZ(0);
}

.scroll-to-bottom-fab i {
	transition: transform 200ms ease;
}

.scroll-to-bottom-fab:hover i {
	transform: translateY(2px);
}

/* Badge "Nuovo" sul FAB */
.scroll-to-bottom-fab .fab-badge {
	position: absolute;
	top: -8px;
	right: -8px;
	background: #EF4444;
	color: #FFFFFF;
	font-size: 11px;
	font-weight: 600;
	padding: 2px 6px;
	border-radius: 10px;
	box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
	white-space: nowrap;
	animation: fabBadgePulse 2s infinite;

	/* Nascosto di default - mostrato solo quando ci sono nuovi messaggi */
	display: none;
}

.scroll-to-bottom-fab.has-new-messages .fab-badge {
	display: block;
}

@keyframes fabBadgePulse {
	0%, 100% {
		transform: scale(1);
	}
	50% {
		transform: scale(1.1);
	}
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
	.BotUser > .BotUserContent {
		max-width: 85%;
	}

	.UserMessage > .UserMessageContent {
		max-width: 75%;
	}
}

/* Mobile Large */
@media (max-width: 768px) {
	.boxChat {
		height: calc(100vh - 80px);
		border-radius: 0;
		border-left: none;
		border-right: none;
	}

	.boxChatContainer {
		padding: var(--space-md);
	}

	.BotUser > .BotUserContent,
	.UserMessage > .UserMessageContent {
		max-width: 90%;
		padding: var(--space-sm) var(--space-md);
		font-size: var(--font-size-sm);
	}

	.message-composer {
		padding: var(--space-sm) var(--space-md);
	}

	.chat-input {
		min-height: 44px;
		padding: var(--space-sm);
	}

	.composer-btn {
		width: 44px;
		height: 44px;
		font-size: 18px;
	}

	.popup-content {
		width: 95%;
		padding: var(--space-lg);
	}

	.selected-file-item {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--space-sm);
	}

	.selected-file-item .remove-file-btn {
		align-self: flex-end;
	}

	/* FAB button su mobile */
	.scroll-to-bottom-fab {
		bottom: 100px; /* Abbassato anche su mobile */
		right: 20px;
		width: 48px;
		height: 48px;
		font-size: 18px;
	}

	.scroll-to-bottom-fab .fab-badge {
		font-size: 10px;
		padding: 2px 5px;
	}
}

/* Mobile Small */
@media (max-width: 480px) {
	.boxChatContainer {
		padding: var(--space-sm);
	}

	.BotUser,
	.UserMessage {
		margin-top: var(--space-md);
	}

	.BotUser > .BotUserContent,
	.UserMessage > .UserMessageContent {
		max-width: 95%;
		padding: var(--space-sm);
		font-size: var(--font-size-sm);
		border-radius: var(--radius-md);
	}

	.message-composer {
		padding: var(--space-sm);
		gap: var(--space-xs);
	}

	.composer-actions {
		gap: var(--space-xs);
	}

	.composer-btn {
		width: 40px;
		height: 40px;
		font-size: 16px;
	}
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
	.boxChat,
	.BotUser > .BotUserContent,
	.UserMessage > .UserMessageContent {
		-webkit-font-smoothing: antialiased;
		-moz-osx-font-smoothing: grayscale;
	}
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	.BotUser,
	.UserMessage,
	.BotUser.message-visible {
		animation: none;
		opacity: 1;
		transform: none;
	}

	.composer-btn-voice.recording {
		animation: none;
	}

	.scroll-to-bottom-fab.visible {
		transition-duration: 0.01ms;
	}

	.scroll-to-bottom-fab .fab-badge {
		animation: none;
	}
}

/* Dark Mode Support (Future) */
@media (prefers-color-scheme: dark) {
	/* Reserved for future dark mode implementation */
	/* Will be activated when dark themes are added */
}

/* ========================================
   DYNAMIC QUICK ACTION BUTTONS
   Theme-aware buttons below intro message
   Outlined style (ghost buttons)
   Centered outside message bubble
   ======================================== */

.quick-action-buttons {
	display: flex;
	flex-direction: column;
	gap: var(--space-md);
	margin: var(--space-lg) auto;
	padding: var(--space-sm) var(--space-md);
	width: 100%;
	max-width: 400px;
	background: transparent; /* Container stays transparent */
}

.quick-action-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	padding: 14px var(--space-xl);
	background: white; /* White background only on buttons */
	color: var(--accent-primary);
	border: 2px solid var(--accent-primary);
	border-radius: 30px;
	font-size: 15px;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--transition-base);
	text-decoration: none;
	white-space: nowrap;
	box-sizing: border-box;
}

.quick-action-btn:hover {
	background: var(--accent-primary);
	color: white;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.quick-action-btn:active {
	transform: translateY(0);
	box-shadow: none;
}

.quick-action-btn:focus {
	outline: 2px solid var(--accent-primary);
	outline-offset: 2px;
}

/* Icon dentro il bottone (se necessario in futuro) */
.quick-action-btn i {
	margin-right: var(--space-xs);
	font-size: 16px;
}

/* Responsive - Padding ridotto su mobile */
@media (max-width: 768px) {
	.quick-action-buttons {
		gap: var(--space-sm);
	}

	.quick-action-btn {
		padding: 12px var(--space-lg);
		font-size: 14px;
	}
}

/* ========================================
   CHAT TOPBAR
   ======================================== */
.chat-topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 12px 20px;
	background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
	color: var(--text-inverse);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	z-index: 1001;
	position: relative;
	pointer-events: auto;
}

.chat-topbar-left {
	display: flex;
	align-items: center;
	gap: 12px;
}

.chat-topbar-logo {
	height: 40px !important;
	width: auto;
	object-fit: contain;
}

.chat-topbar-demo {
	font-size: 14px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: rgba(255, 255, 255, 0.9);
	padding: 4px 12px;
	background: rgba(255, 255, 255, 0.2);
	border-radius: 12px;
	backdrop-filter: blur(10px);
}

.chat-topbar-right {
	display: flex;
	align-items: center;
	gap: 8px;
}

.chat-topbar-btn {
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(255, 255, 255, 0.2);
	border: none;
	border-radius: 8px;
	color: white;
	cursor: pointer;
	transition: all 0.2s ease;
	backdrop-filter: blur(10px);
	position: relative;
	z-index: 1002;
	pointer-events: auto;
}

.chat-topbar-btn:hover {
	background: rgba(255, 255, 255, 0.3);
	transform: scale(1.05);
}

.chat-topbar-btn:active {
	transform: scale(0.95);
}

.chat-topbar-btn svg {
	width: 20px;
	height: 20px;
}

/* ========================================
   BOT AVATAR
   ======================================== */
.bot-avatar {
	width: 32px;
	height: 32px;
	min-width: 32px;
	min-height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 50%;
	margin-right: 12px;
	color: white;
	flex-shrink: 0;
	box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
	transition: all var(--transition-fast);
}

.bot-avatar svg {
	width: 18px;
	height: 18px;
}

.BotUser:hover .bot-avatar {
	transform: scale(1.1);
	box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* ========================================
   FIXED HELP BUTTONS
   ======================================== */
.fixed-help-buttons {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: var(--space-md);
	padding: var(--space-md);
	background: var(--bg-primary);
	border-bottom: 1px solid var(--border-color);
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	z-index: 10;
	pointer-events: none; /* Container non blocca click sui link */
	height: 60px; /* Altezza fissa per calcolare offset */
}

.help-btn {
	display: inline-flex;
	align-items: center;
	gap: var(--space-xs);
	padding: 5px 10px;
	border: 2px solid var(--accent-primary);
	color: var(--accent-primary);
	background: white; /* White background for better readability */
	border-radius: var(--radius-full);
	font-size: var(--font-size-sm);
	font-weight: 500;
	cursor: pointer;
	transition: all var(--transition-base);
	white-space: nowrap;
	pointer-events: auto; /* Bottoni cliccabili */
}

.help-btn:hover {
	background: var(--accent-primary);
	color: var(--text-inverse);
	transform: translateY(-1px);
	box-shadow: var(--shadow-md);
}

.help-btn:active {
	transform: translateY(0);
}

.help-btn span {
	font-size: 16px;
}

/* ========================================
   HIDE AVATARS AND QUICK BUTTONS STATE
   ======================================== */
body.hide-ui .bot-avatar {
	display: none;
}

body.hide-ui .quick-action-buttons {
	display: none;
}

body.hide-ui .fixed-help-buttons {
	display: none;
	height: 0;
}

/* Adjust fatherCnt when buttons are hidden */
body.hide-ui .fatherCnt {
	top: 0 !important;
	height: calc(100% - 100px) !important; /* Only composer space */
}

body.hide-ui .BotUser {
	padding-left: 0;
}

body.hide-ui .BotUserContent {
	margin-left: 0;
}

/* ========================================
   POWERED BY TEXT
   ======================================== */
.powered-by-text {
	display: block;
	position: absolute;
	bottom: -2px;
	color: #000;
	z-index: 99999;
	font-size: 10px;
	left: 17px;
}

.powered-by-text a {
	color: #000;
	text-decoration: none;
	pointer-events: auto;
	transition: opacity 0.2s ease;
}

.powered-by-text a:hover {
	opacity: 0.7;
	text-decoration: underline;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
	.chat-topbar {
		padding: 10px 16px;
	}

	.chat-topbar-logo {
		height: 28px;
	}

	.chat-topbar-demo {
		font-size: 12px;
		padding: 3px 10px;
	}

	.chat-topbar-btn {
		width: 32px;
		height: 32px;
	}

	.bot-avatar {
		width: 28px;
		height: 28px;
		min-width: 28px;
		min-height: 28px;
		margin-right: 8px;
	}

	.bot-avatar svg {
		width: 16px;
		height: 16px;
	}
}