/* ==========================================================================
   WP AI Assistant — Frontend Styles
   ========================================================================== */

/* CSS custom property defaults (overridden inline per instance) */
.waai-chatbot,
.waai-navigator {
	--waai-primary:          #0073aa;
	--waai-header-text:      #ffffff;
	--waai-bg:               #ffffff;
	--waai-text:             #1e1e1e;
	--waai-user-bubble:      #0073aa;
	--waai-bot-bubble:       #f0f0f0;
	--waai-input-bg:         #fafafa;
	--waai-input-border:     #d0d0d0;
	--waai-send-bg:          #0073aa;
	--waai-send-icon:        #ffffff;
	--waai-close-color:      rgba(255,255,255,0.7);
	--waai-toggle-bg:        #0073aa;
	--waai-toggle-active-bg: #005580;
	--waai-toggle-size:      56px;
	--waai-title-color:      #1e1e1e;
	--waai-nav-input-bg:     transparent;
	--waai-nav-input-border: #d0d0d0;
	--waai-nav-input-text:   #1e1e1e;
	--waai-nav-btn-text:     #ffffff;
	--waai-radius:           12px;
	--waai-font-size:        14px;
	--waai-width:            380px;
	--waai-height:           520px;

	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	font-size: var(--waai-font-size);
}

*, *::before, *::after { box-sizing: inherit; }

/* ==========================================================================
   Floating wrapper
   ========================================================================== */

.waai-chatbot-wrapper {
	position: fixed;
	z-index: 99999;
	bottom: 24px;
}

.waai-chatbot-wrapper.waai-chatbot-bottom-right { right: 24px; }
.waai-chatbot-wrapper.waai-chatbot-bottom-left  { left:  24px; }

/* Toggle button */
.waai-chatbot-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--waai-toggle-size, 56px);
	height: var(--waai-toggle-size, 56px);
	border-radius: 50%;
	background: var(--waai-toggle-bg, var(--waai-primary));
	color: #fff;
	border: none;
	cursor: pointer;
	box-shadow: 0 4px 16px rgba(0,0,0,.25);
	transition: background .2s, transform .2s, box-shadow .2s;
	margin-left: auto;
}

.waai-chatbot-wrapper.waai-open .waai-chatbot-toggle {
	background: var(--waai-toggle-active-bg, var(--waai-toggle-bg, var(--waai-primary)));
}

.waai-chatbot-wrapper.waai-chatbot-bottom-left .waai-chatbot-toggle {
	margin-left: 0;
	margin-right: auto;
}

.waai-chatbot-toggle:hover { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0,0,0,.3); }

.waai-chatbot-toggle .waai-icon-close { display: none; }

.waai-chatbot-wrapper.waai-open .waai-chatbot-toggle .waai-icon-chat  { display: none; }
.waai-chatbot-wrapper.waai-open .waai-chatbot-toggle .waai-icon-close { display: block; }

/* Floating chat window hidden by default */
.waai-chatbot-wrapper .waai-chatbot {
	display: none;
	position: absolute;
	bottom: 70px;
	margin-bottom: 6px;
	box-shadow: 0 8px 32px rgba(0,0,0,.18);
}

.waai-chatbot-wrapper.waai-chatbot-bottom-right .waai-chatbot { right: 0; }
.waai-chatbot-wrapper.waai-chatbot-bottom-left  .waai-chatbot { left:  0; }

.waai-chatbot-wrapper.waai-open .waai-chatbot {
	display: flex;
	flex-direction: column;
	animation: waaiSlideUp .2s ease;
}

@keyframes waaiSlideUp {
	from { opacity: 0; transform: translateY(12px); }
	to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Chatbot shell
   ========================================================================== */

.waai-chatbot {
	display: flex;
	flex-direction: column;
	width: var(--waai-width);
	height: var(--waai-height);
	max-width: 95vw;
	max-height: 80vh;
	background: var(--waai-bg);
	border-radius: var(--waai-radius);
	overflow: hidden;
	border: 1px solid rgba(0,0,0,.1);
	color: var(--waai-text);
}

/* Inline chatbot is displayed immediately */
.waai-chatbot.waai-chatbot-inline { display: flex !important; }

.waai-chatbot-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	background: var(--waai-primary);
	color: var(--waai-header-text, #fff);
	flex-shrink: 0;
}

.waai-chatbot-title { font-weight: 600; font-size: 1em; color: var(--waai-header-text, #fff); }

.waai-chatbot-close-btn {
	background: none;
	border: none;
	color: var(--waai-close-color, rgba(255,255,255,.8));
	cursor: pointer;
	font-size: 16px;
	line-height: 1;
	padding: 0;
	width: auto;
	height: auto;
	box-shadow: none;
	border-radius: 0;
}

.waai-chatbot-close-btn:hover { color: var(--waai-header-text, #fff); }

/* Messages area */
.waai-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	scroll-behavior: smooth;
	background: var(--waai-bg);
}

.waai-message {
	max-width: 82%;
	padding: 9px 13px;
	border-radius: 14px;
	line-height: 1.55;
	word-wrap: break-word;
}

.waai-message a { color: inherit; text-decoration: underline; }

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

.waai-message-bot {
	align-self: flex-start;
	background: var(--waai-bot-bubble);
	color: var(--waai-text);
	border-bottom-left-radius: 4px;
}

/* Typing indicator */
.waai-typing {
	display: flex;
	align-items: center;
	gap: 4px;
	padding: 10px 14px;
	min-width: 52px;
}

.waai-typing span {
	display: block;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #aaa;
	animation: waaiDot 1.2s ease-in-out infinite;
}

.waai-typing span:nth-child(2) { animation-delay: .2s; }
.waai-typing span:nth-child(3) { animation-delay: .4s; }

@keyframes waaiDot {
	0%, 80%, 100% { transform: scale(.6); opacity: .4; }
	40%            { transform: scale(1);  opacity: 1; }
}

/* Input area */
.waai-chatbot-input-area {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 10px 12px;
	border-top: 1px solid rgba(0,0,0,.08);
	background: var(--waai-bg);
	flex-shrink: 0;
}

.waai-input-field {
	flex: 1;
	resize: none;
	border: 1px solid #d0d0d0;
	border-radius: 20px;
	padding: 8px 14px;
	font-size: var(--waai-font-size);
	font-family: inherit;
	line-height: 1.5;
	min-height: 38px;
	max-height: 120px;
	overflow-y: hidden;
	outline: none;
	transition: border-color .15s;
	color: var(--waai-text);
	background: var(--waai-input-bg, #fafafa);
}

.waai-input-field:focus { border-color: var(--waai-primary); background: var(--waai-input-bg, #fafafa); }

.waai-send-btn {
	flex-shrink: 0;
	width: 38px;
	height: 38px;
	border-radius: 50%;
	background: var(--waai-send-bg, var(--waai-primary));
	color: var(--waai-send-icon, #fff);
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: opacity .15s, transform .1s;
}

.waai-send-btn:hover   { opacity: .88; }
.waai-send-btn:active  { transform: scale(.93); }
.waai-send-btn:disabled { opacity: .45; cursor: default; }

/* ==========================================================================
   Navigator form
   ========================================================================== */

.waai-navigator {
	background: var(--waai-bg);
	border-radius: var(--waai-radius);
	padding: 24px;
	border: 1px solid rgba(0,0,0,.08);
}

.waai-nav-heading {
	margin: 0 0 16px;
	font-size: 1.2em;
	color: var(--waai-title-color, var(--waai-text));
}

.waai-nav-input-row {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.waai-nav-input {
	width: 100%;
	resize: vertical;
	border: 1px solid var(--waai-nav-input-border, #d0d0d0);
	border-radius: calc(var(--waai-radius) / 2);
	padding: 10px 14px;
	font-size: var(--waai-font-size);
	font-family: inherit;
	min-height: 60px;
	outline: none;
	transition: border-color .15s;
	color: var(--waai-nav-input-text, var(--waai-text));
	background: var(--waai-nav-input-bg, transparent);
}

.waai-nav-input:focus { border-color: var(--waai-primary); }

.waai-nav-submit {
	align-self: flex-start;
	padding: 10px 28px;
	background: var(--waai-primary);
	color: var(--waai-nav-btn-text, #fff);
	border: none;
	border-radius: calc(var(--waai-radius) / 2);
	font-size: var(--waai-font-size);
	font-family: inherit;
	font-weight: 600;
	cursor: pointer;
	transition: opacity .15s;
	white-space: nowrap;
}

.waai-nav-submit:hover    { opacity: .88; }
.waai-nav-submit:disabled { opacity: .45; cursor: default; }

/* Results */
.waai-nav-results { margin-top: 20px; }

.waai-result {
	padding: 16px;
	border-radius: calc(var(--waai-radius) / 2);
	border: 1px solid #e0e0e0;
}

.waai-result + .waai-result { margin-top: 12px; }

.waai-result p { margin: 0 0 10px; }
.waai-result p:last-child { margin-bottom: 0; }

.waai-result-redirect {
	background: #e8f5e9;
	border-color: #a5d6a7;
	color: #1b5e20;
}

.waai-result-redirect a {
	color: #1b5e20;
	font-weight: 700;
	font-size: 1.05em;
}

.waai-result-notfound {
	background: #fff3e0;
	border-color: #ffcc80;
	color: #e65100;
}

.waai-result-error {
	background: #ffebee;
	border-color: #ef9a9a;
	color: #b71c1c;
}

.waai-result-suggestions { background: #f5f5f5; }
.waai-result-clarify     { background: #e3f2fd; border-color: #90caf9; }

/* Suggestions list */
.waai-suggestions-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.waai-suggestions-list li a {
	display: block;
	padding: 8px 12px;
	border-radius: 6px;
	background: #fff;
	border: 1px solid #d0d0d0;
	text-decoration: none;
	color: var(--waai-text);
	transition: background .15s, border-color .15s;
}

.waai-suggestions-list li a:hover {
	background: #f0f7ff;
	border-color: var(--waai-primary);
	color: var(--waai-primary);
}

.waai-score {
	font-size: .8em;
	color: #888;
	margin-left: 6px;
}

/* Clarification input */
.waai-clarify-input {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

.waai-clarify-field {
	flex: 1;
	padding: 8px 12px;
	border: 1px solid #d0d0d0;
	border-radius: 6px;
	font-size: var(--waai-font-size);
	font-family: inherit;
	outline: none;
}

.waai-clarify-field:focus { border-color: var(--waai-primary); }

.waai-clarify-btn {
	padding: 8px 16px;
	background: var(--waai-primary);
	color: #fff;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	font-family: inherit;
}

/* Redirect animation */
.waai-redirecting {
	text-align: center;
	padding: 20px;
}

.waai-spinner {
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 2px solid rgba(0,0,0,.1);
	border-top-color: var(--waai-primary);
	border-radius: 50%;
	animation: waaiSpin .7s linear infinite;
	vertical-align: middle;
	margin-right: 8px;
}

@keyframes waaiSpin { to { transform: rotate(360deg); } }