/* ============================================
   VD Chatbot - Head Styles
   ============================================ */

:root {
	--sidebar-width: 280px;
	--chat-bg: var(--vd-light) !important;
	--msg-user-bg: linear-gradient(135deg, var(--vd-primary) 0%, var(--vd-primary-screen) 100%) !important;
	--msg-bot-bg: var(--vd-light) !important;
}

/* ============================================
   BODY & LAYOUT
   ============================================ */

body {
	display: flex;
	flex-direction: column;
	color: var(--vd-dark);
	height: auto !important;
	overflow: auto !important;
}

/* ============================================
   CHATBOT HEADER (simplified vd_header)
   ============================================ */

.vd_navicon_header h1 {
	font-size: 1.5rem !important;
}

/* Spacer fuer den position:fixed #vd_header darunter - ohne explizite Hoehe
   faellt dieser Container auf 0 zusammen und der Inhalt rutscht unter den
   fixierten Header (siehe vd_header.css #vd_header_container). */
#chatbot_header_container {
	height: var(--vd-header-bar-height);
}
@media (min-width: 992px) {
	#chatbot_header_container {
		height: var(--vd-header-height);
	}
}

.chatbot-wrapper {
	flex: 1;
	height: calc(100vh - var(--vd-header-height));
}

/* ============================================
   SIDEBAR
   ============================================ */

.btn-close-sidebar {
	display: none;
	background: none;
	border: none;
	color: var(--vd-white);
	font-size: 1.5rem;
	cursor: pointer;
	transition: opacity 0.2s;
}

.btn-close-sidebar:hover {
	opacity: 0.8;
}

/* Sitzt als normales Flex-Kind oben rechts in .chatbot-main, VOR dem
   scrollbaren .chat-messages - kein position:absolute mehr, damit er beim
   Scrollen der Nachrichten nie darüber liegen kann. */
.btn-share-mode {
	align-self: flex-end;
	flex-shrink: 0;
	margin: 1rem 1rem 0 0;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.5rem 0.9rem;
	background: var(--vd-white);
	border: 1px solid var(--bs-border-color, #dee2e6);
	border-radius: 2rem;
	color: var(--vd-primary);
	font-size: 0.9rem;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
	cursor: pointer;
	transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-share-mode i {
	font-size: 1.1rem;
}

.btn-share-mode:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 16px rgba(var(--vd-primary-rgb), 0.15);
}

.btn-share-mode:focus-visible {
	outline: 2px solid var(--vd-primary);
	outline-offset: 2px;
}

/* Nativer disabled-State statt nur JS-Guard - verhindert klickbaren, aber
   wirkungslosen Button */
.btn-share-mode:disabled {
	opacity: 0.35;
	cursor: not-allowed;
	pointer-events: none;
	transform: none;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Ersetzt nur .chatbot-main (nicht die Sidebar), wenn der Teilen-Modus aktiv
   ist - siehe enterShareMode()/exitShareMode(). Gleiche flex/min-height-Logik
   wie .chatbot-main, da beide Geschwister von .chatbot-sidebar sind. */
.teilen-panel {
	display: none;
	flex-direction: column;
	flex: 1;
	min-height: 0;
	background: var(--vd-light);
}

.teilen-panel.is-active {
	display: flex;
}

/* Sanfter Übergang beim Wechsel Chat<->Panel - reine Entrance-Animation,
   analog zum bestehenden .chat-message-Muster */
.teilen-panel.is-active,
.chatbot-main.fade-in-transition {
	animation: fadeIn 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
	.teilen-panel.is-active,
	.chatbot-main.fade-in-transition {
		animation: none;
	}
}

/* TEILEN-PANEL INHALT */

.teilen-panel-header {
	background: var(--vd-white);
}

.teilen-panel-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border-radius: 100%;
	background: var(--vd-accent);
	color: var(--vd-white);
	font-size: 0.9rem;
	flex-shrink: 0;
}

.teilen-panel-title {
	color: var(--vd-dark);
}

.btn-back-to-chat {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	background: none;
	border: none;
	color: var(--vd-primary);
	cursor: pointer;
	transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-back-to-chat:hover {
	opacity: 0.75;
	transform: translateX(-2px);
}

.btn-back-to-chat:focus-visible {
	outline: 2px solid var(--vd-primary);
	outline-offset: 2px;
	border-radius: var(--bs-border-radius-sm);
}

.btn-back-to-chat:active {
	transform: translateX(-1px);
}

.teilen-textarea {
	border-radius: 0.75rem !important;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
	transition: box-shadow 0.2s ease, border-color 0.2s ease;
	resize: vertical;
	min-height: 300px;
}

.teilen-textarea:focus {
	box-shadow: 0 4px 12px rgba(var(--vd-primary-rgb), 0.12);
	border-color: var(--vd-primary) !important;
	outline: none;
}

.teilen-panel-actions .btn {
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.teilen-panel-actions .btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 16px rgba(var(--vd-primary-rgb), 0.15);
}

.teilen-panel-actions .btn:focus-visible {
	outline: 2px solid var(--vd-primary);
	outline-offset: 2px;
}

.teilen-panel-actions .btn:active {
	transform: translateY(0);
	box-shadow: none;
}

/* Erfolgs-Feedback beim Kopieren - visuell zusätzlich zur ARIA-Live-Region */
.btn-copy-all.is-copied {
	color: var(--bs-success, #198754);
	border-color: var(--bs-success, #198754) !important;
}

@media (max-width: 768px) {
	.teilen-panel-actions {
		flex-direction: column;
	}

	.teilen-panel-actions .btn {
		width: 100%;
		min-height: 44px;
	}

	.teilen-textarea {
		min-height: 200px;
	}
}

.chatbot-sidebar {
	width: var(--sidebar-width);
	background: linear-gradient(to bottom, var(--vd-light) 0, var(--vd-white) 48px) !important;
	color: var(--vd-dark) !important;
	transition: transform 0.3s ease;
}

.chatbot-sidebar .sidebar-header h5 {
	font-size: 1.1rem;
	color: var(--vd-dark);
}

#session-list {
	/* Muss flex-basis:0% sein (nicht Bootstraps flex-grow-1/auto), sonst
	   bestimmt die Inhaltshöhe der Session-Liste die Sidebar-Höhe mit und
	   die Sidebar wird länger als der Wrapper (siehe .chatbot-wrapper) */
	flex: 1;
}

/* SESSION ITEMS */

#session-list .list-group-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	padding: 0.375rem 0.75rem;
	margin-bottom: 0.25rem;
	cursor: pointer;
}

#session-list .session-name {
	flex: 1;
	min-width: 0;
}

#session-list .session-actions {
	display: flex;
	align-items: center;
	gap: 0.25rem;
	flex-shrink: 0;
	opacity: 0;
	transition: opacity 0.15s ease;
}

#session-list .list-group-item:hover .session-actions,
#session-list .list-group-item:focus-within .session-actions {
	opacity: 1;
}

/* Aktive Session hervorheben */
#session-list .list-group-item.active {
	background: rgba(var(--vd-primary-rgb), 0.08) !important;
	color: var(--vd-primary) !important;
	font-weight: 500;
	border-color: transparent !important;
}

#session-list .list-group-item.active .session-actions {
	opacity: 1;
}

#session-list .session-actions button {
	background: none;
	border: none;
	padding: 0.25rem 0.375rem;
	border-radius: var(--bs-border-radius-sm);
	cursor: pointer;
	transition: color 0.2s, background-color 0.2s;
}

#session-list .session-actions button:hover {
	background: var(--bs-tertiary-bg, rgba(0, 0, 0, 0.05));
}

#session-list .btn-rename {
	color: var(--vd-primary);
}

#session-list .btn-rename:hover {
	color: var(--vd-primary-screen);
}

#session-list .btn-delete:hover {
	color: var(--vd-danger-screen) !important;
}

.session-name-input {
	flex: 1;
}

/* SIDEBAR FOOTER */

.chatbot-sidebar .sidebar-footer {
	font-size: 1rem;
}

/* ============================================
   MAIN CHAT AREA
   ============================================ */

.chatbot-main {
	position: relative;
	flex: 1;
	background: var(--chat-bg) !important;
	min-height: 0;
}

/* CHAT MESSAGES */

.chat-messages {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	min-height: 0;
	overflow-y: auto;
	padding: 1.5rem;
	background: linear-gradient(to bottom, var(--vd-light) 0, var(--vd-white) 48px);
}

/* Unter 992px ist der reale Header nur --vd-header-bar-height (77px) hoch,
   nicht --vd-header-height (160px, gilt erst ab 992px). */
@media (max-width: 991.98px) {
	.chatbot-wrapper {
		height: calc(100vh - var(--vd-header-bar-height));
	}
}

.chat-message {
	max-width: 80%;
	animation: fadeIn 0.3s ease;
}

.chat-message.user {
	background: var(--msg-user-bg);
	color: var(--vd-white);
	border-radius: 18px 18px 4px 18px;
	padding: 0.8rem 1.2rem;
}

.chat-message.user::before {
	content: '\f007';
	font-family: 'Font Awesome 7 Free';
	font-weight: 900;
	font-size: 1.25rem;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border-radius: 100%;
	color: var(--vd-white);
	background-color: var(--vd-accent);
	position: absolute;
	bottom: -2.5rem;
	right: 0;
}

.chat-message.bot {
	background: var(--msg-bot-bg);
	color: var(--vd-dark);
	border-radius: 18px 18px 18px 4px;
	padding: 0.8rem 1.2rem;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.chat-message.bot::before {
	content: '\f0eb';
	font-family: 'Font Awesome 7 Free';
	font-weight: 900;
	font-size: 1.25rem;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border-radius: 100%;
	color: var(--vd-white);
	background-color: var(--vd-accent);
	position: absolute;
	bottom: -2.5rem;
	left: 0;
}

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

/* WELCOME SCREEN */

.chat-welcome {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	flex: 1;
	color: var(--vd-penumbra) !important;
	text-align: center;
	padding: 2rem;
}

/* CONVERSATION STARTERS */

.starters-area {
	display: none;
	padding: 1rem 1rem;
}

.starters-title {
	color: var(--vd-penumbra);
	font-size: 0.8125rem;
	letter-spacing: 0.5px;
}

.starters {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.5rem;
}

/* RESPONSIVE STARTERS — mobile-first, echte Bootstrap-Breakpoints
   (--bs-breakpoint-*, bootstrap-5.3.3/bootstrap.css:779-784) */
@media (min-width: 768px) {
	.starters-area {
		padding: 1.5rem 1.5rem;
	}

	.starters-title {
		font-size: 0.875rem;
	}

	.starters {
		grid-template-columns: repeat(3, 1fr);
		gap: 0.75rem;
	}
}

@media (min-width: 992px) {
	.starters {
		grid-template-columns: repeat(4, 1fr);
	}
}

.starter-btn {
	all: unset;
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: flex-start;
	padding: 0.625rem 0.75rem;
	background: var(--vd-white);
	border: 1px solid var(--bs-border-color, #dee2e6);
	border-radius: 0.75rem;
	cursor: pointer;
	transition: all 0.3s ease;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
	text-align: left;
	gap: 0.625rem;
}

@media (min-width: 768px) {
	.starter-btn {
		flex-direction: column;
		justify-content: center;
		align-items: center;
		text-align: center;
		padding: 0.875rem;
		gap: 0.5rem;
	}
}

.starter-btn:hover,
.starter-btn.hover {
	border-color: var(--vd-primary);
	background: var(--vd-light);
	box-shadow: 0 8px 16px rgba(var(--vd-primary-rgb), 0.15);
	transform: translateY(-2px);
}

.starter-btn:focus-visible {
	outline: 2px solid var(--vd-primary);
	outline-offset: 2px;
}

.starter-icon {
	width: 1.75rem;
	height: 1.75rem;
	flex-shrink: 0;
	background: var(--vd-primary);
}

@media (min-width: 768px) {
	.starter-icon {
		width: 2rem;
		height: 2rem;
	}
}

.starter-title {
	font-weight: 400;
	color: var(--vd-dark);
	font-size: 0.8rem;
	line-height: 1.3;
}

@media (min-width: 768px) {
	.starter-title {
		font-size: 0.85rem;
		line-height: 1.35;
	}
}

.chat-welcome p {
	color: var(--vd-penumbra);
	font-size: 0.95rem;
	max-width: 400px;
	margin: 0.5rem 0;
}

/* ============================================
   TYPING INDICATOR
   ============================================ */

.typing-indicator {
	display: none;
	align-self: flex-start;
	padding: 0.8rem 1.2rem;
	gap: 0.5rem;
}

.typing-indicator span {
	display: inline-block;
	width: 8px;
	height: 8px;
	background: var(--vd-secondary) !important;
	margin: 0 2px;
	animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
	animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
	animation-delay: 0.4s;
}

@keyframes typing {
	0%, 60%, 100% {
		transform: translateY(0);
	}
	30% {
		transform: translateY(-6px);
	}
}

/* ============================================
   CHAT INPUT AREA
   ============================================ */

.chat-input-area {
	background: var(--vd-white) !important;
	padding: 2rem 1.5rem !important;
}

.chat-input-form {
	max-width: 900px;
	margin: 0 auto;
	/* Neutralisiert die Vendor-Pill-Optik (base.html.twig .chat-input-form:
	   andere background/border/border-radius/padding-Werte, später im DOM) */
	background: transparent !important;
	border: 0 !important;
	border-radius: 0 !important;
	padding: 0 !important;
}

.chat-input-form textarea {
	flex: 1;
	resize: none;
	min-height: 24px;
	max-height: 120px;
	/* Neutralisiert Vendor-Werte (border:none/background:transparent/
	   padding:0.3rem 0/font-size:0.95rem) — entsprechen den echten
	   Bootstrap-form-control-Defaults */
	padding: 0.375rem 0.75rem !important;
	font-size: 1rem !important;
	border: var(--bs-border-width, 1px) solid var(--bs-border-color, #dee2e6) !important;
	background-color: var(--bs-body-bg, #fff) !important;
}

.chat-input-form textarea:disabled,
.chat-input-form button:disabled {
	opacity: 0.5 !important;
	cursor: not-allowed !important;
}

.chat-input-form textarea:disabled {
	background-color: var(--bs-secondary-bg, #e9ecef) !important;
	border-color: var(--bs-secondary-bg, #e9ecef) !important;
}

.chat-input-form .input-group {
	gap: 0.5rem;
}

.chat-input-form .input-group > .form-control,
.chat-input-form .input-group > .btn {
	/* Bootstrap klebt Input-Group-Kinder per margin-left:-1px zusammen und
	   rundet nur die äußeren Ecken. Mit einem gap zwischen Feld und Button
	   brauchen wir stattdessen normale, allseitig runde Ecken. */
	margin-left: 0 !important;
	border-radius: var(--bs-border-radius, 0.375rem) !important;
}

#btn-send,
#btn-stop-query {
	flex: 0 0 auto;
	white-space: nowrap;
	padding-left: 1.1rem !important;
	padding-right: 1.25rem !important;
}

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

@media (max-width: 768px) {
	.chatbot-sidebar {
		position: fixed;
		z-index: 1000;
		height: 100vh;
		transform: translateX(-100%);
		transition: transform 0.3s ease;
	}

	.chatbot-sidebar.open {
		transform: translateX(0);
	}

	.sidebar-toggle {
		display: block !important;
	}

	#btn-close-sidebar {
		display: block !important;
	}

	.chat-message {
		max-width: 90%;
	}
}

.sidebar-toggle {
	display: none;
	background: none;
	border: none;
	color: var(--vd-white);
	font-size: 1.5rem;
	cursor: pointer;
}