/* WP Inquiry Chatbot (ECV Style) Floating Widget */
:root {
    --wpi-primary: #1d4ed8;
    --wpi-primary-hover: #1e40af;
    --wpi-primary-light: #eff6ff;
    --wpi-text: #1f2937;
    --wpi-text-muted: #6b7280;
    --wpi-bg: #ffffff;
    --wpi-border: #e5e7eb;
    --wpi-radius: 16px;
    --wpi-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.wpi-widget-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--wpi-text);
}

/* Launcher Button */
.wpi-launcher-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--wpi-primary);
    color: #ffffff;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s ease;
}

.wpi-launcher-btn:hover {
    transform: scale(1.06);
    background: var(--wpi-primary-hover);
}

.wpi-badge-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: #ef4444;
    border: 2px solid #ffffff;
    border-radius: 50%;
}

/* Chatbox Window */
.wpi-chatbox {
    position: absolute;
    bottom: 76px;
    right: 0;
    width: 380px;
    max-width: calc(100vw - 32px);
    height: 540px;
    max-height: calc(100vh - 120px);
    background: var(--wpi-bg);
    border-radius: var(--wpi-radius);
    box-shadow: var(--wpi-shadow);
    border: 1px solid var(--wpi-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: wpi-fade-in 0.25s ease-out;
}

@keyframes wpi-fade-in {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

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

.wpi-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;
}

.wpi-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
}

.wpi-status {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

.wpi-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
}

.wpi-header-btn {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.8;
    padding: 0 4px;
}
.wpi-header-btn:hover {
    opacity: 1;
}

/* Context Banner (Product Preview) */
.wpi-context-banner {
    background: #f8fafc;
    border-bottom: 1px solid var(--wpi-border);
    padding: 8px 14px;
    font-size: 12px;
}

.wpi-context-tag {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--wpi-primary);
    letter-spacing: 0.5px;
}

.wpi-context-title {
    font-weight: 600;
    color: var(--wpi-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 2px;
}

/* Messages Stream */
.wpi-messages {
    flex: 1;
    padding: 14px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fdfdfd;
}

.wpi-msg {
    max-width: 85%;
    font-size: 13.5px;
    line-height: 1.45;
    padding: 10px 14px;
    border-radius: 14px;
    word-break: break-word;
}

.wpi-msg-bot {
    align-self: flex-start;
    background: #f1f5f9;
    color: #0f172a;
    border-bottom-left-radius: 4px;
}

.wpi-msg-user {
    align-self: flex-end;
    background: var(--wpi-primary);
    color: #ffffff;
    border-bottom-right-radius: 4px;
}

/* Action Chips */
.wpi-actions {
    padding: 8px 14px 10px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    background: #ffffff;
    border-top: 1px solid #f1f5f9;
}

.wpi-chip-btn {
    background: #ffffff;
    color: var(--wpi-primary);
    border: 1px solid #cbd5e1;
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}

.wpi-chip-btn:hover {
    background: var(--wpi-primary-light);
    border-color: var(--wpi-primary);
    color: var(--wpi-primary-hover);
}

/* Input Bar */
.wpi-input-bar {
    padding: 10px 14px;
    background: #ffffff;
    border-top: 1px solid var(--wpi-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.wpi-input-bar input {
    flex: 1;
    border: 1px solid #d1d5db;
    border-radius: 20px;
    padding: 8px 14px;
    font-size: 13px;
    outline: none;
    box-shadow: none;
}

.wpi-input-bar input:focus {
    border-color: var(--wpi-primary);
    box-shadow: 0 0 0 2px var(--wpi-primary-light);
}

.wpi-input-bar button {
    background: var(--wpi-primary);
    color: #ffffff;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color 0.15s ease;
}

.wpi-input-bar button:hover {
    background: var(--wpi-primary-hover);
}

.wpi-footer-note {
    font-size: 10px;
    color: var(--wpi-text-muted);
    text-align: center;
    padding-bottom: 6px;
    background: #ffffff;
}

/* Mobile full-width optimization */
@media (max-width: 480px) {
    .wpi-widget-container {
        bottom: 16px;
        right: 16px;
    }
    .wpi-chatbox {
        bottom: 70px;
        right: 0;
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
    }
}