/* ============================================
   WP AI Chatbot - Widget Styles v2
   ============================================ */

:root {
    --wpaic-primary: #4F46E5;
    --wpaic-primary-hover: #4338CA;
    --wpaic-primary-light: rgba(79, 70, 229, 0.1);
    --wpaic-bg: #ffffff;
    --wpaic-bg-secondary: #F9FAFB;
    --wpaic-text: #111827;
    --wpaic-text-secondary: #6B7280;
    --wpaic-border: #E5E7EB;
    --wpaic-success: #10B981;
    --wpaic-danger: #EF4444;
    --wpaic-warning: #F59E0B;
    --wpaic-radius: 16px;
    --wpaic-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 20px rgba(0, 0, 0, 0.08);
    --wpaic-fab-size: 60px;
}

/* ---- Reset ---- */
.wpaic-chatbot *,
.wpaic-chatbot *::before,
.wpaic-chatbot *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---- Container ---- */
.wpaic-chatbot {
    position: fixed;
    z-index: 999999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--wpaic-text);
}

.wpaic-chatbot[data-position="bottom-right"] {
    bottom: 24px;
    right: 24px;
}

.wpaic-chatbot[data-position="bottom-left"] {
    bottom: 24px;
    left: 24px;
}

/* ---- Floating Action Button ---- */
.wpaic-fab {
    height: 52px;
    border-radius: 26px;
    border: none;
    background: var(--wpaic-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px 0 16px;
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease,
                background-color 0.2s ease;
    white-space: nowrap;
}

.wpaic-fab:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 28px rgba(79, 70, 229, 0.5);
    background: var(--wpaic-primary-hover);
}

.wpaic-fab:active {
    transform: scale(0.97);
}

.wpaic-fab-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.wpaic-fab-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.wpaic-fab.is-open .wpaic-icon-headset,
.wpaic-fab.is-open .wpaic-fab-label {
    display: none;
}

.wpaic-fab.is-open .wpaic-icon-close {
    display: block !important;
}

.wpaic-fab.is-open {
    width: var(--wpaic-fab-size);
    height: var(--wpaic-fab-size);
    border-radius: 50%;
    padding: 0;
    justify-content: center;
}

.wpaic-fab.is-active {
    animation: wpaic-pulse 2s infinite;
}

@keyframes wpaic-pulse {
    0% { box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4), 0 0 0 14px rgba(79, 70, 229, 0.12); }
    100% { box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4); }
}

/* ---- Panel ---- */
.wpaic-panel {
    position: absolute;
    bottom: calc(var(--wpaic-fab-size) + 16px);
    width: 380px;
    max-height: 600px;
    background: var(--wpaic-bg);
    border-radius: var(--wpaic-radius);
    box-shadow: var(--wpaic-shadow);
    overflow: hidden;
    animation: wpaic-slide-up 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
}

.wpaic-chatbot[data-position="bottom-right"] .wpaic-panel {
    right: 0;
}

.wpaic-chatbot[data-position="bottom-left"] .wpaic-panel {
    left: 0;
}

@keyframes wpaic-slide-up {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.wpaic-panel.closing {
    animation: wpaic-slide-down 0.25s ease forwards;
}

@keyframes wpaic-slide-down {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(20px) scale(0.95); }
}

/* ---- Header ---- */
.wpaic-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--wpaic-primary);
    color: #fff;
}

.wpaic-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.wpaic-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.wpaic-header-avatar svg {
    width: 20px;
    height: 20px;
    color: #fff;
}

.wpaic-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    color: #fff;
}

.wpaic-status {
    font-size: 11px;
    opacity: 0.85;
}

.wpaic-status.is-active {
    opacity: 1;
}

.wpaic-status.is-active::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--wpaic-success);
    margin-right: 5px;
    animation: wpaic-blink 1.5s infinite;
}

@keyframes wpaic-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.wpaic-close-btn {
    width: 30px;
    height: 30px;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.wpaic-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.wpaic-close-btn svg {
    width: 16px;
    height: 16px;
}

/* ---- Body ---- */
.wpaic-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 16px;
    overflow-y: auto;
    min-height: 300px;
}

/* ---- Agent Avatar Section ---- */
.wpaic-agent-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 10px 0 16px;
}

.wpaic-agent-avatar {
    position: relative;
    width: 110px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wpaic-agent-svg {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

/* Pulse rings behind avatar */
.wpaic-agent-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 2px solid transparent;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

.wpaic-agent-pulse-2 {
    width: 130px;
    height: 130px;
}

/* Speaking state - pulses visible */
.wpaic-agent-avatar.is-speaking .wpaic-agent-pulse {
    border-color: var(--wpaic-success);
    animation: wpaic-avatar-pulse 1.5s ease-out infinite;
}

.wpaic-agent-avatar.is-speaking .wpaic-agent-pulse-2 {
    border-color: var(--wpaic-success);
    animation: wpaic-avatar-pulse 1.5s ease-out 0.3s infinite;
}

/* Listening state */
.wpaic-agent-avatar.is-listening .wpaic-agent-pulse {
    border-color: var(--wpaic-primary);
    animation: wpaic-avatar-pulse 2s ease-out infinite;
}

/* Connecting state */
.wpaic-agent-avatar.is-connecting .wpaic-agent-pulse {
    border-color: var(--wpaic-warning);
    animation: wpaic-avatar-spin 1.5s linear infinite;
}

@keyframes wpaic-avatar-pulse {
    0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1.3); opacity: 0; }
}

@keyframes wpaic-avatar-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); border-color: var(--wpaic-warning) transparent transparent transparent; }
    100% { transform: translate(-50%, -50%) rotate(360deg); border-color: var(--wpaic-warning) transparent transparent transparent; }
}

.wpaic-agent-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--wpaic-text);
}

.wpaic-state-label {
    font-size: 13px;
    color: var(--wpaic-text-secondary);
    text-align: center;
    transition: color 0.3s;
    min-height: 20px;
}

.wpaic-state-label.is-listening {
    color: var(--wpaic-primary);
    font-weight: 500;
}

.wpaic-state-label.is-speaking {
    color: var(--wpaic-success);
    font-weight: 500;
}

.wpaic-state-label.is-connected {
    color: var(--wpaic-success);
    font-weight: 500;
}

.wpaic-state-label.is-error {
    color: var(--wpaic-danger);
}

/* ---- Visualizer ---- */
.wpaic-visualizer-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 10px;
}

.wpaic-visualizer {
    width: 100%;
    height: 80px;
    border-radius: 10px;
    background: var(--wpaic-bg-secondary);
}

/* ---- Transcript ---- */
.wpaic-transcript {
    width: 100%;
    margin-top: 12px;
    max-height: 120px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.wpaic-transcript:empty {
    display: none;
}

.wpaic-transcript-item {
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.4;
    max-width: 88%;
    word-break: break-word;
    animation: wpaic-msg-in 0.25s ease;
}

@keyframes wpaic-msg-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.wpaic-transcript-item.user {
    align-self: flex-end;
    background: var(--wpaic-primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.wpaic-transcript-item.assistant {
    align-self: flex-start;
    background: var(--wpaic-bg-secondary);
    color: var(--wpaic-text);
    border: 1px solid var(--wpaic-border);
    border-bottom-left-radius: 4px;
}

/* ---- Timer ---- */
.wpaic-timer {
    margin-top: 8px;
    font-size: 20px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--wpaic-text-secondary);
    letter-spacing: 0.05em;
}

.wpaic-timer.is-warning {
    color: var(--wpaic-warning);
}

.wpaic-timer.is-danger {
    color: var(--wpaic-danger);
    animation: wpaic-blink 1s infinite;
}

/* ---- Controls ---- */
.wpaic-controls {
    padding: 16px;
    border-top: 1px solid var(--wpaic-border);
    background: var(--wpaic-bg);
}

/* Connect Button */
.wpaic-connect-btn {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 12px;
    background: var(--wpaic-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.wpaic-connect-btn:hover {
    background: var(--wpaic-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.35);
}

.wpaic-connect-btn:active {
    transform: translateY(0);
}

.wpaic-btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.wpaic-btn-text {
    white-space: nowrap;
}

/* Active call state - red disconnect button */
.wpaic-connect-btn.is-active {
    background: var(--wpaic-danger);
}

.wpaic-connect-btn.is-active:hover {
    background: #DC2626;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.35);
}

/* Connecting state */
.wpaic-connect-btn.is-connecting {
    background: var(--wpaic-warning);
    cursor: wait;
}

.wpaic-connect-btn.is-connecting::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: wpaic-shimmer 1.5s infinite;
}

@keyframes wpaic-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
    .wpaic-chatbot {
        bottom: 16px !important;
        right: 16px !important;
        left: 16px !important;
    }

    .wpaic-panel {
        width: calc(100vw - 32px);
        max-height: calc(100vh - 120px);
        bottom: calc(var(--wpaic-fab-size) + 12px);
        right: 0 !important;
        left: 0 !important;
    }

    .wpaic-chatbot[data-position="bottom-left"] {
        left: auto;
    }
}

/* ---- Scrollbar ---- */
.wpaic-body::-webkit-scrollbar,
.wpaic-transcript::-webkit-scrollbar {
    width: 4px;
}

.wpaic-body::-webkit-scrollbar-track,
.wpaic-transcript::-webkit-scrollbar-track {
    background: transparent;
}

.wpaic-body::-webkit-scrollbar-thumb,
.wpaic-transcript::-webkit-scrollbar-thumb {
    background: var(--wpaic-border);
    border-radius: 4px;
}

/* ---- Dark mode ---- */
@media (prefers-color-scheme: dark) {
    .wpaic-chatbot {
        --wpaic-bg: #1F2937;
        --wpaic-bg-secondary: #374151;
        --wpaic-text: #F9FAFB;
        --wpaic-text-secondary: #9CA3AF;
        --wpaic-border: #4B5563;
        --wpaic-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 8px 20px rgba(0, 0, 0, 0.2);
    }

    .wpaic-agent-svg ellipse[fill="#FDBCB4"] {
        fill: #E8A898;
    }
}