/* ═══════════════════════════════════════════
   WP AI Chatbot – Widget Styles
   ═══════════════════════════════════════════ */

:root {
    --wpaic-primary: #2563eb;
    --wpaic-primary-dark: #1d4ed8;
    --wpaic-primary-light: #dbeafe;
    --wpaic-header-bg: #2563eb;
    --wpaic-send-bg: #2563eb;
    --wpaic-send-bg-dark: #1d4ed8;
    --wpaic-radius: 16px;
    --wpaic-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
    --wpaic-shadow-toggle: 0 4px 16px rgba(0, 0, 0, 0.16);
    --wpaic-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --wpaic-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    --wpaic-z: 99999;
}

.wpaic-chatbot { position: fixed; z-index: var(--wpaic-z); font-family: var(--wpaic-font); font-size: 14px; line-height: 1.5; }
.wpaic-chatbot *, .wpaic-chatbot *::before, .wpaic-chatbot *::after { box-sizing: border-box; margin: 0; padding: 0; }
.wpaic-bottom-right { bottom: 20px; right: 20px; }
.wpaic-bottom-left { bottom: 20px; left: 20px; }

/* Toggle */
.wpaic-toggle { width: 56px; height: 56px; border-radius: 50%; border: none; background: var(--wpaic-primary); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: var(--wpaic-shadow-toggle); transition: transform var(--wpaic-transition), box-shadow var(--wpaic-transition), background var(--wpaic-transition); position: relative; }
.wpaic-toggle:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(0,0,0,0.2); background: var(--wpaic-primary-dark); }
.wpaic-toggle:active { transform: scale(0.95); }
.wpaic-toggle svg { width: 24px; height: 24px; transition: opacity var(--wpaic-transition), transform var(--wpaic-transition); position: absolute; }
.wpaic-chatbot[data-open="false"] .wpaic-icon-close { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.wpaic-chatbot[data-open="true"] .wpaic-icon-chat { opacity: 0; transform: rotate(90deg) scale(0.5); }
.wpaic-chatbot[data-open="true"] .wpaic-icon-close { opacity: 1; transform: rotate(0) scale(1); }
.wpaic-chatbot[data-open="false"] .wpaic-icon-chat { opacity: 1; transform: rotate(0) scale(1); }
/* Session indicator: hidden by default, shown when wpaic-has-session is active */
.wpaic-icon-session { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.wpaic-chatbot[data-open="false"].wpaic-has-session .wpaic-icon-chat { opacity: 0; transform: rotate(90deg) scale(0.5); }
.wpaic-chatbot[data-open="false"].wpaic-has-session .wpaic-icon-session { opacity: 1; transform: rotate(0) scale(1); }

/* Toggle hover label */
.wpaic-toggle-label { position: absolute; top: 14px; right: calc(100% + 6px); background: var(--wpaic-primary); color: #fff; padding: 8px 16px; border-radius: 14px; font-size: 13px; font-weight: 500; white-space: nowrap; opacity: 0; pointer-events: none; box-shadow: 0 4px 20px rgba(0,0,0,0.18); transition: opacity 0.28s cubic-bezier(0.4,0,0.2,1), transform 0.28s cubic-bezier(0.4,0,0.2,1); }
.wpaic-bottom-right .wpaic-toggle-label { border-bottom-right-radius: 4px; }
.wpaic-bottom-left .wpaic-toggle-label { right: auto; left: calc(100% + 6px); border-bottom-left-radius: 4px; }
.wpaic-chatbot[data-open="false"] .wpaic-toggle:hover .wpaic-toggle-label { opacity: 1; transform: translateY(-50%) translateX(0); }

/* Window */
.wpaic-window { position: absolute; bottom: 72px; width: 380px; max-height: 560px; height: 560px; border-radius: var(--wpaic-radius); background: #fff; box-shadow: var(--wpaic-shadow); display: flex; flex-direction: column; overflow: hidden; opacity: 0; transform: translateY(16px) scale(0.96); pointer-events: none; transition: opacity var(--wpaic-transition), transform var(--wpaic-transition); }
.wpaic-bottom-right .wpaic-window { right: 0; }
.wpaic-bottom-left .wpaic-window { left: 0; }
.wpaic-chatbot[data-open="true"] .wpaic-window { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

/* Header */
.wpaic-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: var(--wpaic-header-bg); color: #fff; flex-shrink: 0; }
.wpaic-header-info { display: flex; align-items: center; gap: 10px; }
.wpaic-avatar { width: 32px; height: 32px; border-radius: 50%; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.wpaic-avatar svg { width: 20px; height: 20px; }
.wpaic-header-title { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.wpaic-header-actions { display: flex; gap: 4px; }
.wpaic-header-actions button { background: none; border: none; color: rgba(255,255,255,0.8); cursor: pointer; padding: 4px; border-radius: 6px; display: flex; align-items: center; transition: background var(--wpaic-transition), color var(--wpaic-transition); }
.wpaic-header-actions button:hover { background: rgba(255,255,255,0.15); color: #fff; }
/* Confirm Bar */
.wpaic-confirm-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 14px; background: #fef2f2; border-bottom: 1px solid #fecaca; flex-shrink: 0; overflow: hidden; max-height: 0; opacity: 0; transition: max-height 0.25s ease, opacity 0.2s ease, padding 0.25s ease; padding-top: 0; padding-bottom: 0; }
.wpaic-confirm-bar--visible { max-height: 60px; opacity: 1; padding-top: 9px; padding-bottom: 9px; }
.wpaic-confirm-bar-text { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #991b1b; font-weight: 500; }
.wpaic-confirm-bar-actions { display: flex; gap: 6px; flex-shrink: 0; }
.wpaic-confirm-bar-cancel { background: none; border: 1.5px solid #d1d5db; color: #374151; border-radius: 6px; padding: 4px 12px; font-size: 12px; font-weight: 500; cursor: pointer; transition: background var(--wpaic-transition); }
.wpaic-confirm-bar-cancel:hover { background: #f3f4f6; }
.wpaic-confirm-bar-ok { background: #dc2626; border: none; color: #fff; border-radius: 6px; padding: 4px 12px; font-size: 12px; font-weight: 600; cursor: pointer; transition: background var(--wpaic-transition); }
.wpaic-confirm-bar-ok:hover { background: #b91c1c; }

/* Messages */
.wpaic-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; scroll-behavior: smooth; overscroll-behavior: contain; }
.wpaic-messages::-webkit-scrollbar { width: 5px; }
.wpaic-messages::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }

/* Bubbles */
.wpaic-msg { max-width: 85%; padding: 10px 14px; border-radius: 14px; word-wrap: break-word; animation: wpaic-fadeIn 0.25s ease-out; }
@keyframes wpaic-fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.wpaic-msg-user { align-self: flex-end; background: var(--wpaic-primary); color: #fff; border-bottom-right-radius: 4px; }
.wpaic-msg-assistant { align-self: flex-start; background: #f3f4f6; color: #1f2937; border-bottom-left-radius: 4px; }
.wpaic-msg-assistant p { margin: 0 0 8px; }
.wpaic-msg-assistant p:last-child { margin-bottom: 0; }
.wpaic-msg-assistant code { background: rgba(0,0,0,0.06); padding: 1px 4px; border-radius: 4px; font-size: 0.9em; }
.wpaic-msg-assistant pre { background: #1f2937; color: #e5e7eb; padding: 10px 12px; border-radius: 8px; overflow-x: auto; margin: 8px 0; font-size: 0.85em; }
.wpaic-msg-assistant a { color: var(--wpaic-primary); text-decoration: underline; text-underline-offset: 2px; }
.wpaic-msg-assistant ul, .wpaic-msg-assistant ol { padding-left: 1.4em; margin: 6px 0; list-style-position: outside; }
.wpaic-msg-assistant ul { list-style-type: disc; }
.wpaic-msg-assistant li { margin-top: 3px; }

/* Sources */
.wpaic-sources { margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(0,0,0,0.08); font-size: 12px; color: #6b7280; }
.wpaic-sources-title { font-weight: 600; margin-bottom: 4px; }
.wpaic-sources a { color: var(--wpaic-primary); text-decoration: none; display: block; padding: 2px 0; }
.wpaic-sources a:hover { text-decoration: underline; }

/* Typing indicator (waiting dots) */
.wpaic-typing { align-self: flex-start; background: #f3f4f6; border-radius: 14px; border-bottom-left-radius: 4px; padding: 12px 18px; display: flex; gap: 5px; align-items: center; }
.wpaic-typing-dot { width: 7px; height: 7px; background: #9ca3af; border-radius: 50%; animation: wpaic-bounce 1.4s infinite; }
.wpaic-typing-dot:nth-child(2) { animation-delay: 0.16s; }
.wpaic-typing-dot:nth-child(3) { animation-delay: 0.32s; }
@keyframes wpaic-bounce { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }

/* Streaming cursor (word-by-word typing effect) */
.wpaic-msg-assistant.wpaic-streaming::after { content: '▋'; display: inline; margin-left: 1px; animation: wpaic-cursor-blink 0.5s steps(1) infinite; }
@keyframes wpaic-cursor-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

/* Input */
.wpaic-input-area { padding: 12px 16px; border-top: 1px solid #e5e7eb; flex-shrink: 0; background: #f3f4f6; }
.wpaic-form { display: flex; align-items: center; gap: 8px; }
.wpaic-input { flex: 1; border: 1.5px solid #d1d5db; border-radius: 12px; padding: 10px 14px; font-family: var(--wpaic-font); font-size: 14px; resize: none; max-height: 120px; outline: none; transition: border-color var(--wpaic-transition), box-shadow var(--wpaic-transition); line-height: 1.4; }
.wpaic-input:focus { border-color: var(--wpaic-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.wpaic-input::placeholder { color: #9ca3af; }
.wpaic-send { width: 40px; height: 40px; border: none; border-radius: 50%; background: var(--wpaic-send-bg); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background var(--wpaic-transition), transform var(--wpaic-transition); }
.wpaic-send:hover { background: var(--wpaic-send-bg-dark); }
.wpaic-send:active { transform: scale(0.92); }
.wpaic-send:disabled { opacity: 0.5; cursor: not-allowed; }
.wpaic-send svg { margin-left: 2px; }

/* Error */
.wpaic-msg-error { align-self: center; background: #fef2f2; color: #dc2626; border-radius: 8px; padding: 8px 14px; font-size: 13px; text-align: center; max-width: 90%; }

/* Test Mode Banner */
.wpaic-test-banner { display: flex; align-items: center; gap: 6px; padding: 6px 14px; background: #fef9c3; color: #854d0e; font-size: 11px; font-weight: 600; border-bottom: 1px solid #fde68a; flex-shrink: 0; }

/* Disclaimer */
.wpaic-disclaimer { padding: 8px 14px; border-top: 1px solid #e5e7eb; font-size: 11px; color: #9ca3af; line-height: 1.5; flex-shrink: 0; background: #fff; text-align: center; }
.wpaic-disclaimer a { color: var(--wpaic-primary); text-decoration: underline; text-underline-offset: 2px; }

/* Speech-to-text mic button (only visible when browser supports Web Speech API) */
.wpaic-mic { width: 36px; height: 36px; border: 1.5px solid #d1d5db; border-radius: 50%; background: none; color: #6b7280; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background var(--wpaic-transition), color var(--wpaic-transition), border-color var(--wpaic-transition), box-shadow var(--wpaic-transition); }
.wpaic-mic:hover { background: #f3f4f6; color: #374151; border-color: #9ca3af; }
.wpaic-mic--active { background: #fef2f2; color: #dc2626; border-color: #fca5a5; animation: wpaic-mic-pulse 1.5s ease-in-out infinite; }
@keyframes wpaic-mic-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,0.35); } 50% { box-shadow: 0 0 0 7px rgba(220,38,38,0); } }

/* Mobile */
@media (max-width: 480px) {
    .wpaic-window { width: calc(100vw - 24px); height: calc(100vh - 100px); max-height: calc(100vh - 100px); bottom: 68px; }
    .wpaic-bottom-right .wpaic-window { right: -8px; }
    .wpaic-bottom-left .wpaic-window { left: -8px; }
}