:root {
	--mrt-gold: #E8B655;
	--mrt-blue: #0274BE;
	--mrt-blue-dark: #025a92;
	--mrt-bg: #FAFBFB;
	--mrt-text: #1c2b36;
}

.mrt-chat-widget {
	max-width: 680px;
	margin: 0 auto;
	border: 1px solid var(--mrt-blue);
	border-radius: 14px;
	overflow: hidden;
	font-family: Calibri, "Segoe UI", Arial, sans-serif;
	background: var(--mrt-bg);
	box-shadow: 0 6px 24px rgba(2, 116, 190, 0.12);
}

.mrt-chat-header {
	background: linear-gradient(135deg, var(--mrt-blue) 0%, var(--mrt-blue-dark) 100%);
	color: #ffffff;
	padding: 14px 18px;
	font-weight: 700;
	font-size: 17px;
	display: flex;
	align-items: center;
	gap: 12px;
}

.mrt-chat-header img {
	width: 34px;
	height: 34px;
	background: #ffffff;
	border-radius: 8px;
	padding: 3px;
}

.mrt-chat-messages {
	height: 380px;
	overflow-y: auto;
	padding: 18px;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.mrt-message {
	padding: 11px 15px;
	border-radius: 12px;
	max-width: 85%;
	line-height: 1.5;
	white-space: pre-wrap;
	font-size: 15px;
}

.mrt-message-user {
	align-self: flex-end;
	background: var(--mrt-blue);
	color: #ffffff;
	border-bottom-right-radius: 4px;
}

.mrt-message-assistant {
	align-self: flex-start;
	background: #ffffff;
	border: 1px solid #e3e8ec;
	border-left: 4px solid var(--mrt-gold);
	color: var(--mrt-text);
	border-bottom-left-radius: 4px;
}

.mrt-loading {
	opacity: 0.7;
	font-style: italic;
}

.mrt-chat-form {
	display: flex;
	gap: 10px;
	padding: 14px;
	border-top: 1px solid #e3e8ec;
	background: #ffffff;
}

.mrt-chat-form textarea {
	flex: 1;
	resize: none;
	border: 1px solid #cfd6dc;
	border-radius: 10px;
	padding: 10px 12px;
	font-family: inherit;
	font-size: 15px;
}

.mrt-chat-form textarea:focus {
	outline: none;
	border-color: var(--mrt-blue);
	box-shadow: 0 0 0 3px rgba(2, 116, 190, 0.15);
}

.mrt-chat-form button {
	background: var(--mrt-gold);
	color: #4a3410;
	border: none;
	border-radius: 10px;
	padding: 0 22px;
	font-weight: 700;
	font-size: 15px;
	cursor: pointer;
	transition: background 0.15s ease;
}

.mrt-chat-form button:hover {
	background: #d9a844;
}

.mrt-chat-footer {
	text-align: center;
	padding: 8px;
	font-size: 12px;
	color: #7a8894;
	background: #ffffff;
	border-top: 1px solid #eef1f3;
}

.mrt-chat-footer strong {
	color: var(--mrt-blue);
}

.mrt-locked {
	max-width: 680px;
	margin: 0 auto;
	padding: 22px;
	text-align: center;
	border: 1px solid var(--mrt-gold);
	border-radius: 14px;
	background: var(--mrt-bg);
	color: var(--mrt-text);
	font-family: Calibri, "Segoe UI", Arial, sans-serif;
}

/* --- Tabs (Tutor / Mi progreso) --- */
.mrt-tabs {
	margin-left: auto;
	display: flex;
	gap: 4px;
}

.mrt-tab {
	background: rgba(255,255,255,0.15);
	color: #ffffff;
	border: none;
	border-radius: 8px;
	padding: 5px 12px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	font-family: inherit;
}

.mrt-tab-active {
	background: var(--mrt-gold);
	color: #4a3410;
}

/* --- Selector de modos --- */
.mrt-mode-bar {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 10px 14px;
	background: #f2f6f9;
	border-bottom: 1px solid #e3e8ec;
	flex-wrap: wrap;
}

.mrt-mode-label {
	font-size: 13px;
	color: #5a6b78;
	font-weight: 600;
}

.mrt-mode {
	background: #ffffff;
	border: 1px solid #cfd6dc;
	color: #0274BE;
	border-radius: 20px;
	padding: 5px 14px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	font-family: inherit;
	transition: all 0.15s ease;
}

.mrt-mode-active {
	background: var(--mrt-blue);
	color: #ffffff;
	border-color: var(--mrt-blue);
}

/* --- Panel de progreso --- */
.mrt-panel-progress {
	padding: 18px;
	min-height: 380px;
}

.mrt-progress-empty {
	color: #7a8894;
	font-size: 14px;
	line-height: 1.5;
	text-align: center;
	padding: 30px 10px;
}

.mrt-progress-row {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 9px 0;
	border-bottom: 1px solid #eef1f3;
}

.mrt-progress-topic {
	flex: 0 0 42%;
	font-size: 14px;
	color: var(--mrt-text);
	font-weight: 600;
}

.mrt-progress-bar {
	flex: 1;
	height: 10px;
	background: #e9eef2;
	border-radius: 6px;
	overflow: hidden;
}

.mrt-progress-fill {
	height: 100%;
	border-radius: 6px;
	transition: width 0.4s ease;
}

.mrt-progress-pct {
	flex: 0 0 42px;
	text-align: right;
	font-size: 13px;
	font-weight: 700;
	color: var(--mrt-text);
}