:root {
	--ti-ai-text: #16324f;
	--ti-ai-muted: #6c7d90;
	--ti-ai-border: rgba(22, 50, 79, 0.12);
	--ti-ai-surface: rgba(255, 255, 255, 0.96);
	--ti-ai-surface-soft: #f6f9fc;
	--ti-ai-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
	--ti-ai-shadow-soft: 0 16px 34px rgba(15, 23, 42, 0.14);
	--ti-ai-ring: 0 0 0 4px rgba(37, 99, 235, 0.12);
	--ti-ai-radius: 22px;
	--ti-ai-radius-sm: 16px;
	--ti-ai-panel-width: min(420px, calc(100vw - 32px));
}

.ti-ai-course-assistant,
.ti-ai-study-planner,
.ti-ai-quiz-generator,
.ti-ai-assignment-generator,
.ti-ai-student-chatbot {
	font-family: inherit;
	position: fixed;
	z-index: 9990;
}

.ti-ai-course-assistant.is-open,
.ti-ai-study-planner.is-open,
.ti-ai-quiz-generator.is-open,
.ti-ai-assignment-generator.is-open,
.ti-ai-student-chatbot.is-open {
	z-index: 10040;
}

.ti-ai-course-assistant {
	bottom: 24px;
	right: 24px;
}

.ti-ai-study-planner {
	bottom: 94px;
	right: 24px;
}

.ti-ai-quiz-generator {
	bottom: 164px;
	right: 24px;
}

.ti-ai-assignment-generator {
	bottom: 234px;
	right: 24px;
}

.ti-ai-student-chatbot {
	bottom: 24px;
	left: 24px;
}

.ti-ai-course-assistant__toggle,
.ti-ai-study-planner__toggle,
.ti-ai-quiz-generator__toggle,
.ti-ai-assignment-generator__toggle,
.ti-ai-student-chatbot__toggle {
	align-items: center;
	backdrop-filter: blur(12px);
	border: 0;
	border-radius: 999px;
	box-shadow: var(--ti-ai-shadow-soft);
	color: #fff;
	cursor: pointer;
	display: inline-flex;
	font-size: 14px;
	font-weight: 700;
	gap: 10px;
	letter-spacing: 0.01em;
	min-height: 52px;
	padding: 12px 18px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.ti-ai-course-assistant__toggle:hover,
.ti-ai-study-planner__toggle:hover,
.ti-ai-quiz-generator__toggle:hover,
.ti-ai-assignment-generator__toggle:hover,
.ti-ai-student-chatbot__toggle:hover {
	box-shadow: 0 22px 44px rgba(15, 23, 42, 0.2);
	filter: saturate(1.04);
	transform: translateY(-1px);
}

.ti-ai-course-assistant__toggle {
	background: linear-gradient(135deg, #ff7a3d, #ff5d2f);
}

.ti-ai-study-planner__toggle {
	background: linear-gradient(135deg, #22314c, #111c30);
}

.ti-ai-quiz-generator__toggle {
	background: linear-gradient(135deg, #3669ea, #2350ca);
}

.ti-ai-assignment-generator__toggle {
	background: linear-gradient(135deg, #149286, #0f766e);
}

.ti-ai-student-chatbot__toggle {
	background: linear-gradient(135deg, #8855f8, #6c36ea);
}

.ti-ai-course-assistant__spark,
.ti-ai-study-planner__spark,
.ti-ai-quiz-generator__spark,
.ti-ai-assignment-generator__spark,
.ti-ai-student-chatbot__spark {
	align-items: center;
	background: rgba(255, 255, 255, 0.18);
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: 50%;
	display: inline-flex;
	font-size: 12px;
	font-weight: 800;
	height: 30px;
	justify-content: center;
	width: 30px;
}

.ti-ai-course-assistant__panel,
.ti-ai-study-planner__panel,
.ti-ai-quiz-generator__panel,
.ti-ai-assignment-generator__panel,
.ti-ai-student-chatbot__panel {
	background: var(--ti-ai-surface);
	backdrop-filter: blur(16px);
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: var(--ti-ai-radius);
	box-shadow: var(--ti-ai-shadow);
	display: none;
	flex-direction: column;
	max-height: min(78vh, 760px);
	overflow: hidden;
	position: absolute;
	width: var(--ti-ai-panel-width);
}

.ti-ai-course-assistant__panel,
.ti-ai-study-planner__panel,
.ti-ai-quiz-generator__panel,
.ti-ai-assignment-generator__panel {
	bottom: 72px;
	right: 0;
}

.ti-ai-student-chatbot__panel {
	bottom: 72px;
	left: 0;
}

.ti-ai-course-assistant.is-open .ti-ai-course-assistant__panel,
.ti-ai-study-planner.is-open .ti-ai-study-planner__panel,
.ti-ai-quiz-generator.is-open .ti-ai-quiz-generator__panel,
.ti-ai-assignment-generator.is-open .ti-ai-assignment-generator__panel,
.ti-ai-student-chatbot.is-open .ti-ai-student-chatbot__panel {
	display: flex;
}

.ti-ai-course-assistant__header,
.ti-ai-study-planner__header,
.ti-ai-quiz-generator__header,
.ti-ai-assignment-generator__header,
.ti-ai-student-chatbot__header {
	align-items: center;
	color: #fff;
	display: flex;
	flex-shrink: 0;
	justify-content: space-between;
	padding: 16px 18px;
}

.ti-ai-course-assistant__header {
	background: linear-gradient(135deg, #17263d, #233657);
}

.ti-ai-study-planner__header {
	background: linear-gradient(135deg, #ff7a3d, #ff5d2f);
}

.ti-ai-quiz-generator__header {
	background: linear-gradient(135deg, #3669ea, #2350ca);
}

.ti-ai-assignment-generator__header {
	background: linear-gradient(135deg, #149286, #0f766e);
}

.ti-ai-student-chatbot__header {
	background: linear-gradient(135deg, #8855f8, #6c36ea);
}

.ti-ai-course-assistant__header strong,
.ti-ai-study-planner__header strong,
.ti-ai-quiz-generator__header strong,
.ti-ai-assignment-generator__header strong,
.ti-ai-student-chatbot__header strong {
	font-size: 18px;
	font-weight: 800;
	line-height: 1.2;
}

.ti-ai-course-assistant__close,
.ti-ai-study-planner__close,
.ti-ai-quiz-generator__close,
.ti-ai-assignment-generator__close,
.ti-ai-student-chatbot__close {
	align-items: center;
	background: rgba(255, 255, 255, 0.14);
	border: 0;
	border-radius: 999px;
	color: #fff;
	cursor: pointer;
	display: inline-flex;
	font-size: 24px;
	height: 36px;
	justify-content: center;
	line-height: 1;
	width: 36px;
}

.ti-ai-course-assistant__close:hover,
.ti-ai-study-planner__close:hover,
.ti-ai-quiz-generator__close:hover,
.ti-ai-assignment-generator__close:hover,
.ti-ai-student-chatbot__close:hover {
	background: rgba(255, 255, 255, 0.22);
}

.ti-ai-course-assistant__messages,
.ti-ai-student-chatbot__messages,
.ti-ai-study-planner__result,
.ti-ai-quiz-generator__result,
.ti-ai-assignment-generator__result {
	background: linear-gradient(180deg, rgba(246, 249, 252, 0.72), rgba(255, 255, 255, 0.92));
	color: var(--ti-ai-text);
	flex: 1 1 auto;
	font-size: 14px;
	line-height: 1.65;
	min-height: 180px;
	overflow-y: auto;
	padding: 16px 18px 18px;
}

.ti-ai-course-assistant__messages,
.ti-ai-student-chatbot__messages {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.ti-ai-study-planner__result,
.ti-ai-quiz-generator__result,
.ti-ai-assignment-generator__result {
	border-top: 1px solid var(--ti-ai-border);
}

.ti-ai-study-planner__result:empty,
.ti-ai-quiz-generator__result:empty,
.ti-ai-assignment-generator__result:empty {
	display: none;
}

.ti-ai-course-assistant__message,
.ti-ai-student-chatbot__message {
	border-radius: 18px;
	box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
	margin: 0;
	max-width: calc(100% - 24px);
	padding: 12px 14px;
	white-space: normal;
}

.ti-ai-course-assistant__message--bot,
.ti-ai-student-chatbot__message--bot {
	background: #fff;
	border: 1px solid rgba(22, 50, 79, 0.08);
	color: var(--ti-ai-text);
}

.ti-ai-course-assistant__message--user {
	align-self: flex-end;
	background: linear-gradient(135deg, #ff7a3d, #ff5d2f);
	color: #fff;
}

.ti-ai-student-chatbot__message--user {
	align-self: flex-end;
	background: linear-gradient(135deg, #8855f8, #6c36ea);
	color: #fff;
}

.ti-ai-course-assistant__message p,
.ti-ai-student-chatbot__message p,
.ti-ai-study-planner__result p,
.ti-ai-quiz-generator__result p,
.ti-ai-assignment-generator__result p {
	margin: 0 0 10px;
}

.ti-ai-course-assistant__message p:last-child,
.ti-ai-student-chatbot__message p:last-child,
.ti-ai-study-planner__result p:last-child,
.ti-ai-quiz-generator__result p:last-child,
.ti-ai-assignment-generator__result p:last-child {
	margin-bottom: 0;
}

.ti-ai-course-assistant__message strong,
.ti-ai-student-chatbot__message strong,
.ti-ai-study-planner__result strong,
.ti-ai-quiz-generator__result strong,
.ti-ai-assignment-generator__result strong {
	color: #10233d;
	font-weight: 800;
}

.ti-ai-course-assistant__message code,
.ti-ai-student-chatbot__message code,
.ti-ai-study-planner__result code,
.ti-ai-quiz-generator__result code,
.ti-ai-assignment-generator__result code {
	background: rgba(15, 23, 42, 0.06);
	border-radius: 8px;
	color: #1f3a5c;
	font-family: Consolas, Monaco, monospace;
	font-size: 13px;
	padding: 2px 6px;
}

.ti-ai-study-planner__result.is-error,
.ti-ai-quiz-generator__result.is-error,
.ti-ai-assignment-generator__result.is-error {
	color: #a72f2f;
}

.ti-ai-course-assistant__form,
.ti-ai-study-planner__form,
.ti-ai-quiz-generator__form,
.ti-ai-assignment-generator__form,
.ti-ai-student-chatbot__form {
	background: #fff;
	border-top: 1px solid var(--ti-ai-border);
	flex-shrink: 0;
}

.ti-ai-course-assistant__form,
.ti-ai-student-chatbot__form {
	display: flex;
	gap: 10px;
	padding: 14px;
}

.ti-ai-study-planner__form,
.ti-ai-quiz-generator__form,
.ti-ai-assignment-generator__form {
	display: grid;
	gap: 14px;
	padding: 16px 18px;
}

.ti-ai-study-planner__form label,
.ti-ai-quiz-generator__form label,
.ti-ai-assignment-generator__form label {
	display: block;
}

.ti-ai-study-planner__form label span,
.ti-ai-quiz-generator__form label span,
.ti-ai-assignment-generator__form label span {
	color: var(--ti-ai-text);
	display: block;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.04em;
	margin-bottom: 7px;
	text-transform: uppercase;
}

.ti-ai-course-assistant__form textarea,
.ti-ai-study-planner__form textarea,
.ti-ai-quiz-generator__form textarea,
.ti-ai-assignment-generator__form textarea,
.ti-ai-student-chatbot__form textarea,
.ti-ai-study-planner__form input,
.ti-ai-study-planner__form select,
.ti-ai-quiz-generator__form select,
.ti-ai-assignment-generator__form select {
	background: var(--ti-ai-surface-soft);
	border: 1px solid transparent;
	border-radius: var(--ti-ai-radius-sm);
	box-sizing: border-box;
	color: var(--ti-ai-text);
	font-size: 14px;
	min-height: 52px;
	padding: 13px 14px;
	transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
	width: 100%;
}

.ti-ai-course-assistant__form textarea::placeholder,
.ti-ai-study-planner__form textarea::placeholder,
.ti-ai-quiz-generator__form textarea::placeholder,
.ti-ai-assignment-generator__form textarea::placeholder,
.ti-ai-student-chatbot__form textarea::placeholder,
.ti-ai-study-planner__form input::placeholder {
	color: #7d8da1;
}

.ti-ai-course-assistant__form textarea:focus,
.ti-ai-study-planner__form textarea:focus,
.ti-ai-quiz-generator__form textarea:focus,
.ti-ai-assignment-generator__form textarea:focus,
.ti-ai-student-chatbot__form textarea:focus,
.ti-ai-study-planner__form input:focus,
.ti-ai-study-planner__form select:focus,
.ti-ai-quiz-generator__form select:focus,
.ti-ai-assignment-generator__form select:focus {
	background: #fff;
	border-color: rgba(37, 99, 235, 0.34);
	box-shadow: var(--ti-ai-ring);
	outline: none;
}

.ti-ai-course-assistant__form textarea,
.ti-ai-study-planner__form textarea,
.ti-ai-quiz-generator__form textarea,
.ti-ai-assignment-generator__form textarea,
.ti-ai-student-chatbot__form textarea {
	resize: vertical;
}

.ti-ai-study-planner__grid,
.ti-ai-tool-grid {
	display: grid;
	gap: 12px;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ti-ai-course-assistant__form button,
.ti-ai-study-planner__form button[type="submit"],
.ti-ai-quiz-generator__form button[type="submit"],
.ti-ai-assignment-generator__form button[type="submit"],
.ti-ai-student-chatbot__form button {
	align-items: center;
	background: linear-gradient(135deg, #1e2c44, #101a2c);
	border: 0;
	border-radius: 16px;
	color: #fff;
	cursor: pointer;
	display: inline-flex;
	font-size: 14px;
	font-weight: 800;
	justify-content: center;
	min-height: 52px;
	padding: 0 18px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.ti-ai-course-assistant__form button:hover,
.ti-ai-study-planner__form button[type="submit"]:hover,
.ti-ai-quiz-generator__form button[type="submit"]:hover,
.ti-ai-assignment-generator__form button[type="submit"]:hover,
.ti-ai-student-chatbot__form button:hover {
	box-shadow: 0 18px 34px rgba(15, 23, 42, 0.16);
	transform: translateY(-1px);
}

.ti-ai-course-assistant__form button:disabled,
.ti-ai-study-planner__form button:disabled,
.ti-ai-quiz-generator__form button:disabled,
.ti-ai-assignment-generator__form button:disabled,
.ti-ai-student-chatbot__form button:disabled {
	cursor: wait;
	opacity: 0.7;
	transform: none;
}

.ti-ai-course-assistant__form button {
	flex: 0 0 auto;
}

.ti-ai-course-assistant__messages::-webkit-scrollbar,
.ti-ai-student-chatbot__messages::-webkit-scrollbar,
.ti-ai-study-planner__result::-webkit-scrollbar,
.ti-ai-quiz-generator__result::-webkit-scrollbar,
.ti-ai-assignment-generator__result::-webkit-scrollbar {
	width: 10px;
}

.ti-ai-course-assistant__messages::-webkit-scrollbar-thumb,
.ti-ai-student-chatbot__messages::-webkit-scrollbar-thumb,
.ti-ai-study-planner__result::-webkit-scrollbar-thumb,
.ti-ai-quiz-generator__result::-webkit-scrollbar-thumb,
.ti-ai-assignment-generator__result::-webkit-scrollbar-thumb {
	background: rgba(31, 43, 61, 0.18);
	border: 2px solid transparent;
	border-radius: 999px;
	background-clip: padding-box;
}

@media (max-width: 991px) {
	.ti-ai-course-assistant,
	.ti-ai-study-planner,
	.ti-ai-quiz-generator,
	.ti-ai-assignment-generator {
		right: 16px;
	}

	.ti-ai-student-chatbot {
		left: 16px;
	}

	.ti-ai-course-assistant {
		bottom: 18px;
	}

	.ti-ai-study-planner {
		bottom: 84px;
	}

	.ti-ai-quiz-generator {
		bottom: 150px;
	}

	.ti-ai-assignment-generator {
		bottom: 216px;
	}
}

@media (max-width: 767px) {
	.ti-ai-course-assistant,
	.ti-ai-study-planner,
	.ti-ai-quiz-generator,
	.ti-ai-assignment-generator,
	.ti-ai-student-chatbot {
		left: 12px;
		right: 12px;
	}

	.ti-ai-course-assistant {
		bottom: 12px;
	}

	.ti-ai-study-planner {
		bottom: 78px;
	}

	.ti-ai-quiz-generator {
		bottom: 144px;
	}

	.ti-ai-assignment-generator {
		bottom: 210px;
	}

	body.single-lp_course .ti-ai-student-chatbot {
		bottom: 276px;
	}

	.ti-ai-course-assistant__toggle,
	.ti-ai-study-planner__toggle,
	.ti-ai-quiz-generator__toggle,
	.ti-ai-assignment-generator__toggle,
	.ti-ai-student-chatbot__toggle {
		justify-content: center;
		width: 100%;
	}

	.ti-ai-course-assistant__panel,
	.ti-ai-study-planner__panel,
	.ti-ai-quiz-generator__panel,
	.ti-ai-assignment-generator__panel,
	.ti-ai-student-chatbot__panel {
		bottom: 66px;
		left: 0;
		max-height: calc(100vh - 120px);
		right: 0;
		width: auto;
	}

	.ti-ai-study-planner__grid,
	.ti-ai-tool-grid {
		grid-template-columns: 1fr;
	}
}