/* FSLabs CRM Chat Widget - Frontend Styles */

:root {
    --fslabs-primary: #1f72bc;
    --fslabs-bg-light: #f8f9fa;
    --fslabs-border: #e0e0e0;
    --fslabs-text-dark: #333333;
    --fslabs-text-light: #666666;
}

#fslabs-crm-chat-widget {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    position: fixed;
    z-index: 999999;
    width: 380px;
    max-width: 90vw;
    height: 600px;
    max-height: 85vh;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 40px rgba(0, 0, 0, 0.16);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: fslabs-slide-in 0.3s ease;
}

/* Position variants */
#fslabs-crm-chat-widget.position-bottom-right {
    bottom: 20px;
    right: 20px;
}

#fslabs-crm-chat-widget.position-bottom-left {
    bottom: 20px;
    left: 20px;
}

#fslabs-crm-chat-widget.position-top-right {
    top: 20px;
    right: 20px;
}

#fslabs-crm-chat-widget.position-top-left {
    top: 20px;
    left: 20px;
}

/* Minimized state */
#fslabs-crm-chat-widget.minimized {
    height: auto;
}

#fslabs-crm-chat-widget.minimized .fslabs-chat-messages,
#fslabs-crm-chat-widget.minimized .fslabs-chat-input-area {
    display: none;
}

/* Chat Header */
.fslabs-chat-header {
    background: linear-gradient(135deg, var(--fslabs-primary) 0%, #1561a0 100%);
    color: white;
    padding: 16px;
    flex-shrink: 0;
}

.fslabs-chat-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
}

.fslabs-chat-title h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.fslabs-chat-minimize,
.fslabs-chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.fslabs-chat-minimize:hover,
.fslabs-chat-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.fslabs-chat-minimize {
    margin-right: 8px;
}

/* Chat Messages Container */
.fslabs-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: white;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fslabs-chat-message {
    display: flex;
    margin-bottom: 8px;
    animation: fslabs-fade-in 0.3s ease;
}

.fslabs-chat-message.user-message {
    justify-content: flex-end;
}

.fslabs-chat-message.bot-message {
    justify-content: flex-start;
}

.fslabs-chat-message p {
    margin: 0;
    padding: 10px 14px;
    border-radius: 12px;
    max-width: 80%;
    word-wrap: break-word;
    font-size: 14px;
    line-height: 1.4;
}

.fslabs-chat-message p a {
    pointer-events: auto;
    cursor: pointer;
    text-decoration: underline;
    position: relative;
    z-index: 1;
}

.fslabs-chat-message.user-message p {
    background-color: var(--fslabs-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.fslabs-chat-message.bot-message p {
    background-color: var(--fslabs-bg-light);
    color: var(--fslabs-text-dark);
    border-bottom-left-radius: 4px;
}

.fslabs-chat-message.welcome-message p {
    width: 100%;
    text-align: center;
    color: var(--fslabs-text-light);
    font-size: 13px;
}

/* Loading indicator */
.fslabs-chat-message.loading p {
    display: flex;
    gap: 4px;
    align-items: center;
}

.fslabs-chat-message.loading .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--fslabs-text-light);
    animation: fslabs-bounce 1.4s infinite;
}

.fslabs-chat-message.loading .dot:nth-child(1) {
    animation-delay: 0s;
}

.fslabs-chat-message.loading .dot:nth-child(2) {
    animation-delay: 0.2s;
}

.fslabs-chat-message.loading .dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* Offline / error message bubbles */
.fslabs-chat-message.error p {
    background-color: #fff0f0;
    color: #c0392b;
    border: 1px solid #f5c6cb;
}

.fslabs-chat-message.offline p {
    background-color: #fff8e1;
    color: #856404;
    border: 1px solid #ffc107;
}

/* Offline banner */
.fslabs-offline-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 10px;
    padding: 10px 14px;
    margin: 6px 0;
    font-size: 13px;
    color: #856404;
    animation: fslabs-fade-in 0.3s ease;
}

.fslabs-offline-banner .fslabs-offline-icon {
    flex-shrink: 0;
    font-size: 16px;
}

.fslabs-offline-banner span:not(.fslabs-offline-icon) {
    flex: 1;
    line-height: 1.4;
}

.fslabs-offline-banner .fslabs-offline-retry {
    flex-shrink: 0;
    background: #ffc107;
    border: none;
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #3d2c00;
    cursor: pointer;
    transition: background 0.2s;
}

.fslabs-offline-banner .fslabs-offline-retry:hover {
    background: #e0a800;
}

/* Chat Input Area */
.fslabs-chat-input-area {
    padding: 12px;
    background: white;
    border-top: 1px solid var(--fslabs-border);
    flex-shrink: 0;
}

.fslabs-chat-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.fslabs-chat-input {
    flex: 1;
    border: 1px solid var(--fslabs-border);
    border-radius: 24px;
    padding: 10px 16px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

.fslabs-chat-input:focus {
    border-color: var(--fslabs-primary);
}

.fslabs-chat-send {
    background: var(--fslabs-primary);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.fslabs-chat-send:hover {
    background: #1561a0;
    transform: scale(1.05);
}

.fslabs-chat-send:active {
    transform: scale(0.95);
}

.fslabs-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: scale(1);
}

/* Toggle button (when minimized) */
.fslabs-chat-toggle {
    position: fixed;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--fslabs-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
    z-index: 999998;
}

.fslabs-chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.fslabs-chat-toggle:active {
    transform: scale(0.95);
}

#fslabs-crm-chat-widget:not(.minimized) ~ .fslabs-chat-toggle {
    display: none;
}

/* Position for toggle button */
#fslabs-crm-chat-widget.position-bottom-right ~ .fslabs-chat-toggle {
    bottom: 20px;
    right: 20px;
}

#fslabs-crm-chat-widget.position-bottom-left ~ .fslabs-chat-toggle {
    bottom: 20px;
    left: 20px;
}

#fslabs-crm-chat-widget.position-top-right ~ .fslabs-chat-toggle {
    top: 20px;
    right: 20px;
}

#fslabs-crm-chat-widget.position-top-left ~ .fslabs-chat-toggle {
    top: 20px;
    left: 20px;
}

/* Scrollbar styling */
.fslabs-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.fslabs-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.fslabs-chat-messages::-webkit-scrollbar-thumb {
    background: var(--fslabs-border);
    border-radius: 3px;
}

.fslabs-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* Animations */
@keyframes fslabs-slide-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fslabs-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fslabs-bounce {
    0%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
}

/* Responsive design */
@media (max-width: 480px) {
    /* Merge all position variants — widget fills the full visual viewport.
       JS (onViewportResize) overrides height/top in real time so the
       input sits right above the keyboard. */
    #fslabs-crm-chat-widget,
    #fslabs-crm-chat-widget.position-bottom-right,
    #fslabs-crm-chat-widget.position-bottom-left,
    #fslabs-crm-chat-widget.position-top-right,
    #fslabs-crm-chat-widget.position-top-left {
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;
        width: 100% !important;
        height: 100vh;   /* fallback for older browsers */
        height: 100dvh;  /* dynamic: shrinks automatically when keyboard appears (iOS 15.4+, Chrome 108+) */
        max-height: none;
        border-radius: 0;
        transition: none; /* prevent height flicker during keyboard animation */
    }

    /* min-height: 0 lets the flex messages area shrink inside a
       height-constrained parent (required for flex:1 to work correctly) */
    .fslabs-chat-messages {
        min-height: 0;
    }

    .fslabs-chat-message p {
        max-width: 85%;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    #fslabs-crm-chat-widget {
        background: #1e1e1e;
    }

    .fslabs-chat-messages {
        background: #1e1e1e;
    }

    .fslabs-chat-input-area {
        background: #1e1e1e;
        border-top-color: #333;
    }

    .fslabs-chat-input {
        background: #2a2a2a;
        border-color: #333;
        color: white;
    }

    .fslabs-chat-input::placeholder {
        color: #999;
    }

    .fslabs-chat-message.bot-message p {
        background-color: #2a2a2a;
        color: #e0e0e0;
    }

    .fslabs-chat-message.welcome-message p {
        color: #999;
    }
}

/* Print styles */
@media print {
    #fslabs-crm-chat-widget,
    .fslabs-chat-toggle {
        display: none;
    }
}