/**
 * Mentium AI Verifiche - Chat UI Styles
 */

/* Section Container */
.mentium-ai-exam-section {
	margin: 32px 0;
	padding: 24px;
	background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
	border-radius: 16px;
	border: 1px solid #E2E8F0;
}

.mentium-ai-section-title {
	margin: 0 0 12px 0;
	font-size: 20px;
	font-weight: 700;
	color: #1E293B;
}

/* Notices */
.mentium-ai-notice {
	padding: 16px;
	border-radius: 8px;
	margin-bottom: 16px;
}

.mentium-ai-notice p {
	margin: 0;
}

.mentium-ai-notice--warning {
	background: #FEF3C7;
	border: 1px solid #F59E0B;
	color: #92400E;
}

.mentium-ai-notice--success {
	background: #D1FAE5;
	border: 1px solid #10B981;
	color: #065F46;
}

/* Mode Cards */
.mentium-ai-exam-modes {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 20px;
	margin-bottom: 24px;
}

@media (max-width: 768px) {
	.mentium-ai-exam-modes {
		grid-template-columns: 1fr;
	}
}

.mentium-ai-mode-card {
	padding: 24px;
	border-radius: 12px;
	text-align: center;
	transition: transform 0.2s, box-shadow 0.2s;
}

.mentium-ai-mode-card:hover {
	transform: translateY(-4px);
}

.mentium-ai-mode-card--training {
	background: linear-gradient(135deg, #DBEAFE 0%, #EFF6FF 100%);
	border: 2px solid #3B82F6;
}

.mentium-ai-mode-card--exam {
	background: linear-gradient(135deg, #FEE2E2 0%, #FEF2F2 100%);
	border: 2px solid #EF4444;
}

.mentium-ai-mode-icon {
	font-size: 48px;
	margin-bottom: 12px;
}

.mentium-ai-mode-title {
	margin: 0 0 8px 0;
	font-size: 18px;
	font-weight: 700;
	color: #1E293B;
}

.mentium-ai-mode-desc {
	margin: 0 0 16px 0;
	font-size: 14px;
	color: #64748B;
}

/* Buttons */
.mentium-ai-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 12px 24px;
	border-radius: 8px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s;
	border: none;
}

.mentium-ai-btn--training {
	background: #3B82F6;
	color: white;
	box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.mentium-ai-btn--training:hover {
	background: #2563EB;
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.mentium-ai-btn--exam {
	background: #EF4444;
	color: white;
	box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.mentium-ai-btn--exam:hover {
	background: #DC2626;
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.mentium-ai-btn--primary {
	background: #00AAFF;
	color: white;
}

.mentium-ai-btn--primary:hover {
	background: #0095E6;
}

.mentium-ai-btn-link {
	background: none;
	border: none;
	color: #3B82F6;
	cursor: pointer;
	text-decoration: underline;
	font-size: 13px;
}

.mentium-ai-btn-link:hover {
	color: #2563EB;
}

/* Best Score */
.mentium-ai-best-score {
	margin-top: 12px;
	padding: 8px 12px;
	background: rgba(255, 255, 255, 0.8);
	border-radius: 6px;
	font-size: 13px;
	font-weight: 600;
	color: #059669;
}

/* History Table */
.mentium-ai-history {
	margin-top: 24px;
	padding-top: 24px;
	border-top: 1px solid #E2E8F0;
}

.mentium-ai-history-title {
	margin: 0 0 16px 0;
	font-size: 16px;
	font-weight: 600;
	color: #1E293B;
}

.mentium-ai-history-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
}

.mentium-ai-history-table th,
.mentium-ai-history-table td {
	padding: 12px;
	text-align: left;
	border-bottom: 1px solid #E2E8F0;
}

.mentium-ai-history-table th {
	font-weight: 600;
	color: #64748B;
	font-size: 12px;
	text-transform: uppercase;
}

.mentium-ai-best-row {
	background: #ECFDF5;
}

.mentium-ai-mode-badge {
	display: inline-flex;
	padding: 4px 8px;
	border-radius: 4px;
	font-size: 12px;
	font-weight: 500;
}

.mentium-ai-mode-badge--training {
	background: #DBEAFE;
	color: #1D4ED8;
}

.mentium-ai-mode-badge--exam {
	background: #FEE2E2;
	color: #DC2626;
}

.mentium-ai-incomplete {
	color: #9CA3AF;
	font-style: italic;
}

/* Tutor / Ripetizione Banner */
.mentium-ai-tutor-banner {
	margin-top: 24px;
}

.mentium-ai-tutor-banner-link {
	display: block;
	padding: 16px 20px;
	background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
	border: 1px solid #93C5FD;
	border-radius: 12px;
	font-size: 15px;
	font-weight: 600;
	color: #1E40AF;
	text-decoration: none;
	text-align: center;
	transition: background 0.2s, border-color 0.2s;
}

.mentium-ai-tutor-banner-link:hover {
	background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
	border-color: #3B82F6;
	color: #1E40AF;
}

/* Modal Base */
.mentium-ai-modal {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 100000;
	display: flex;
	align-items: center;
	justify-content: center;
}

.mentium-ai-modal[hidden] {
	display: none;
}

.mentium-ai-modal-backdrop {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.7);
	backdrop-filter: blur(4px);
}

.mentium-ai-modal-content {
	position: relative;
	width: 100%;
	max-width: 600px;
	max-height: 90vh;
	background: white;
	border-radius: 16px;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
	margin: 20px;
}

.mentium-ai-modal-content--wide {
	max-width: 800px;
}

/* Full screen on mobile */
@media (max-width: 768px) {
	.mentium-ai-modal-content {
		max-width: 100%;
		max-height: 100%;
		height: 100%;
		margin: 0;
		border-radius: 0;
	}
}

.mentium-ai-modal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	background: linear-gradient(135deg, #00AAFF 0%, #132977 100%);
	color: white;
}

.mentium-ai-modal-title {
	margin: 0;
	font-size: 18px;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 8px;
}

.mentium-ai-modal-close {
	background: rgba(255, 255, 255, 0.2);
	border: none;
	color: white;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	font-size: 24px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.2s;
}

/* Timer */
#mentium-ai-timer.mentium-ai-timer {
	display: none;
	align-items: center;
	gap: 6px;
	background: rgba(255, 255, 255, 0.2);
	padding: 8px 14px;
	border-radius: 20px;
	font-weight: 600;
	font-size: 16px;
	font-family: 'SF Mono', Monaco, 'Courier New', monospace;
}

#mentium-ai-timer.mentium-ai-timer--visible {
	display: flex !important;
}

.mentium-ai-timer-icon {
	font-size: 18px;
}

.mentium-ai-timer--warning {
	background: rgba(251, 191, 36, 0.3);
	animation: timerPulse 1s ease-in-out infinite;
}

.mentium-ai-timer--danger {
	background: rgba(239, 68, 68, 0.4);
	animation: timerPulse 0.5s ease-in-out infinite;
}

@keyframes timerPulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.7; }
}

/* Timeout badge */
.mentium-ai-timeout-badge {
	display: inline-block;
	background: #FEF3C7;
	color: #92400E;
	padding: 6px 12px;
	border-radius: 6px;
	font-size: 14px;
	font-weight: 600;
	margin-bottom: 12px;
}

.mentium-ai-modal-close:hover {
	background: rgba(255, 255, 255, 0.3);
}

/* Chat Container */
.mentium-ai-chat-container {
	flex: 1;
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.mentium-ai-chat-messages {
	flex: 1;
	overflow-y: auto;
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

/* Chat Messages */
.mentium-ai-message {
	max-width: 85%;
	padding: 14px 18px;
	border-radius: 16px;
	font-size: 14px;
	line-height: 1.6;
	animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.mentium-ai-message--ai {
	align-self: flex-start;
	background: #F1F5F9;
	color: #1E293B;
	border-bottom-left-radius: 4px;
}

.mentium-ai-message--student {
	align-self: flex-end;
	background: #00AAFF;
	color: white;
	border-bottom-right-radius: 4px;
}

.mentium-ai-message--loading {
	display: flex;
	align-items: center;
	gap: 4px;
}

.mentium-ai-typing-dot {
	width: 8px;
	height: 8px;
	background: #64748B;
	border-radius: 50%;
	animation: typingBounce 1.4s infinite;
}

.mentium-ai-typing-dot:nth-child(2) {
	animation-delay: 0.2s;
}

.mentium-ai-typing-dot:nth-child(3) {
	animation-delay: 0.4s;
}

@keyframes typingBounce {
	0%, 60%, 100% {
		transform: translateY(0);
	}
	30% {
		transform: translateY(-8px);
	}
}

/* Input Area */
.mentium-ai-chat-input-area {
	padding: 16px 20px;
	background: #F8FAFC;
	border-top: 1px solid #E2E8F0;
	display: flex;
	gap: 12px;
	align-items: flex-end;
}

.mentium-ai-chat-input {
	flex: 1;
	padding: 12px 16px;
	border: 1px solid #E2E8F0;
	border-radius: 12px;
	font-size: 14px;
	resize: none;
	font-family: inherit;
	transition: border-color 0.2s;
}

.mentium-ai-chat-input:focus {
	outline: none;
	border-color: #00AAFF;
}

.mentium-ai-send-btn {
	padding: 12px 24px;
	background: #00AAFF;
	color: white;
	border: none;
	border-radius: 12px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s;
}

.mentium-ai-send-btn:hover {
	background: #0095E6;
}

.mentium-ai-send-btn:disabled {
	background: #94A3B8;
	cursor: not-allowed;
}

/* Chat Footer */
.mentium-ai-chat-footer {
	padding: 16px 20px;
	background: #F8FAFC;
	border-top: 1px solid #E2E8F0;
	display: flex;
	gap: 12px;
	justify-content: center;
}

.mentium-ai-chat-footer[hidden] {
	display: none;
}

/* Details Modal Content */
.mentium-ai-details-content {
	padding: 20px;
	overflow-y: auto;
	max-height: calc(90vh - 60px);
}

.mentium-ai-details-summary {
	background: #F8FAFC;
	padding: 20px;
	border-radius: 12px;
	margin-bottom: 20px;
}

.mentium-ai-details-summary h3 {
	margin: 0 0 16px 0;
	font-size: 16px;
	font-weight: 600;
}

.mentium-ai-details-stats {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.mentium-ai-details-stat {
	text-align: center;
}

.mentium-ai-details-stat-value {
	font-size: 28px;
	font-weight: 700;
	color: #1E293B;
}

.mentium-ai-details-stat-label {
	font-size: 12px;
	color: #64748B;
	text-transform: uppercase;
}

.mentium-ai-transcript {
	margin-top: 20px;
}

.mentium-ai-transcript h4 {
	margin: 0 0 16px 0;
	font-size: 14px;
	font-weight: 600;
	color: #64748B;
}

.mentium-ai-transcript-messages {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.mentium-ai-transcript-message {
	padding: 12px 16px;
	border-radius: 8px;
	font-size: 13px;
	line-height: 1.5;
}

.mentium-ai-transcript-message--ai {
	background: #F1F5F9;
	border-left: 3px solid #00AAFF;
}

.mentium-ai-transcript-message--student {
	background: #ECFDF5;
	border-left: 3px solid #10B981;
}

.mentium-ai-transcript-role {
	font-weight: 600;
	font-size: 11px;
	text-transform: uppercase;
	color: #64748B;
	margin-bottom: 4px;
}

/* Responsive */
@media (max-width: 480px) {
	.mentium-ai-exam-section {
		padding: 16px;
	}

	.mentium-ai-mode-card {
		padding: 16px;
	}

	.mentium-ai-history-table th,
	.mentium-ai-history-table td {
		padding: 8px;
		font-size: 12px;
	}
}