/*
 * ═══════════════════════════════════════════════════════════════════════════
 * CHATBOT SAAS - PREMIUM WIDGET CSS
 * Ultra-Modern, Glassmorphism Design with Smooth Animations
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ─────────────────────────────────────────────────────────────────────────────
   CSS Variables (Customizable via API)
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chatbot-container {
    --saas-primary: #4F46E5;
    --saas-primary-light: #818CF8;
    --saas-primary-dark: #3730A3;
    --saas-primary-glow: rgba(79, 70, 229, 0.4);
    --saas-bg: #ffffff;
    --saas-bg-secondary: #F8FAFC;
    --saas-bg-glass: rgba(255, 255, 255, 0.85);
    --saas-text: #0F172A;
    --saas-text-secondary: #64748B;
    --saas-text-muted: #94A3B8;
    --saas-border: rgba(0, 0, 0, 0.06);
    --saas-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --saas-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --saas-shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.2);
    --saas-shadow-glow: 0 0 60px rgba(79, 70, 229, 0.25);
    --saas-radius: 24px;
    --saas-radius-sm: 16px;
    --saas-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Main Container
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chatbot-container {
    font-family: var(--saas-font);
    position: fixed;
    z-index: 2147483647;
    bottom: 28px;
    right: 28px;
    left: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
    transition: all 0.3s ease;
}

/* Left positioning */
.saas-chatbot-container[data-position="left"] {
    right: auto;
    left: 24px;
    align-items: flex-start;
}

.saas-chatbot-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Premium FAB (Floating Action Button) with Pulse Ring
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chat-fab {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--saas-primary) 0%, var(--saas-primary-dark) 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 8px 32px var(--saas-primary-glow),
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: visible;
}

/* Animated Pulse Ring */
.saas-chat-fab::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid var(--saas-primary-light);
    opacity: 0;
    animation: fabPulse 2.5s ease-out infinite;
}

.saas-chat-fab::after {
    content: '';
    position: absolute;
    inset: -12px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--saas-primary-light);
    opacity: 0;
    animation: fabPulse 2.5s ease-out infinite 0.4s;
}

@keyframes fabPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.6;
    }

    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.saas-chat-fab:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow:
        0 16px 48px var(--saas-primary-glow),
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.saas-chat-fab:hover::before,
.saas-chat-fab:hover::after {
    animation-play-state: paused;
    opacity: 0;
}

.saas-chat-fab:active {
    transform: scale(0.95);
}

.saas-chat-fab svg {
    width: 30px;
    height: 30px;
    fill: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.saas-chat-fab.open svg {
    transform: rotate(135deg) scale(0.9);
}

.saas-chat-fab.open::before,
.saas-chat-fab.open::after {
    display: none;
}

/* Notification Badge with Bounce */
.saas-chat-fab .notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    border-radius: 11px;
    color: white;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    animation: badgeBounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes badgeBounce {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Premium Chat Window with Glassmorphism
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chat-window {
    width: 400px;
    height: 620px;
    max-height: calc(100vh - 140px);
    background: var(--saas-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--saas-radius);
    box-shadow:
        var(--saas-shadow-lg),
        var(--saas-shadow-glow),
        0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);

    /* Elegant 3D Open Animation */
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px) scale(0.9) perspective(600px) rotateX(8deg);
    transform-origin: bottom right;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Left position transform origin */
.saas-chatbot-container[data-position="left"] .saas-chat-window {
    transform-origin: bottom left;
}

.saas-chat-window.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1) perspective(600px) rotateX(0deg);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Premium Header with Gradient
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chat-header {
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--saas-primary) 0%, var(--saas-primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

/* Subtle Shimmer Effect */
.saas-chat-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: headerShimmer 3s ease-in-out infinite;
}

@keyframes headerShimmer {

    0%,
    100% {
        left: -100%;
    }

    50% {
        left: 100%;
    }
}

.saas-header-info {
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
    z-index: 1;
}

.saas-bot-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.saas-bot-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.saas-bot-details h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 3px;
    letter-spacing: -0.3px;
}

.saas-bot-status {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 6px;
}

.saas-bot-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #34D399;
    border-radius: 50%;
    box-shadow: 0 0 8px #34D399;
    animation: statusGlow 1.5s ease-in-out infinite;
}

@keyframes statusGlow {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 8px #34D399;
    }

    50% {
        opacity: 0.6;
        box-shadow: 0 0 4px #34D399;
    }
}

.saas-header-actions {
    display: flex;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.saas-header-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.25s ease;
}

.saas-header-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.08);
}

.saas-header-btn:active {
    transform: scale(0.95);
}

.saas-header-btn svg {
    width: 18px;
    height: 18px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Messages Area with Smooth Scroll
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: linear-gradient(180deg, var(--saas-bg-secondary) 0%, var(--saas-bg) 100%);
    scroll-behavior: smooth;
    scroll-padding-bottom: 20px;
}

/* Smooth scroll indicator */
.saas-chat-messages::after {
    content: '';
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to top, var(--saas-bg), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.saas-chat-messages:not(:hover)::after {
    opacity: 1;
}

/* Custom Scrollbar */
.saas-chat-messages::-webkit-scrollbar {
    width: 5px;
}

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

.saas-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 3px;
}

.saas-chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* Message Bubble with Slide In Animation */
.saas-message {
    max-width: 82%;
    display: flex;
    flex-direction: column;
    animation: messageSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    will-change: transform, opacity;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.saas-message.bot {
    align-self: flex-start;
}

.saas-message.user {
    align-self: flex-end;
}

.saas-message-bubble {
    padding: 14px 18px;
    border-radius: var(--saas-radius-sm);
    font-size: 14px;
    line-height: 1.6;
    word-wrap: break-word;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.saas-message-bubble:hover {
    transform: translateY(-1px);
}

.saas-message.user .saas-message-bubble:hover {
    box-shadow: 0 6px 16px var(--saas-primary-glow);
}

/* Markdown styling in bot messages */
.saas-message.bot .saas-message-bubble strong {
    font-weight: 600;
    color: var(--saas-text);
}

.saas-message.bot .saas-message-bubble em {
    font-style: italic;
    color: var(--saas-text);
}

.saas-message.bot .saas-message-bubble code {
    background: rgba(79, 70, 229, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--saas-primary-dark);
}

.saas-message.bot .saas-message-bubble pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
    border-left: 3px solid var(--saas-primary);
}

.saas-message.bot .saas-message-bubble pre code {
    background: none;
    padding: 0;
    color: var(--saas-text);
}

.saas-message.bot .saas-message-bubble a {
    color: var(--saas-primary);
    text-decoration: underline;
    transition: color 0.2s;
}

.saas-message.bot .saas-message-bubble a:hover {
    color: var(--saas-primary-dark);
}

/* Copy button */
.saas-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    opacity: 0;
    transition: all 0.2s ease;
    padding: 0;
}

.saas-message-bubble:hover .saas-copy-btn {
    opacity: 1;
}

.saas-copy-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

.saas-copy-btn.copied {
    background: var(--saas-primary);
    color: white;
    opacity: 1;
}

.saas-message.bot .saas-message-bubble {
    background: white;
    color: var(--saas-text);
    border-bottom-left-radius: 6px;
    box-shadow: var(--saas-shadow-sm);
    border: 1px solid var(--saas-border);
}

.saas-message.user .saas-message-bubble {
    background: linear-gradient(135deg, var(--saas-primary) 0%, var(--saas-primary-dark) 100%);
    color: white;
    border-bottom-right-radius: 6px;
    box-shadow: 0 4px 12px var(--saas-primary-glow);
}

.saas-message-time {
    font-size: 10px;
    color: var(--saas-text-muted);
    margin-top: 6px;
    padding: 0 4px;
    font-weight: 500;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.saas-message:hover .saas-message-time {
    opacity: 1;
}

.saas-message.user .saas-message-time {
    text-align: right;
}

/* Elegant Typing Indicator */
.saas-typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--saas-radius-sm);
    border-bottom-left-radius: 6px;
    box-shadow: var(--saas-shadow-sm);
    border: 1px solid var(--saas-border);
    width: fit-content;
}

.saas-typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--saas-primary);
    border-radius: 50%;
    animation: typingWave 1.4s ease-in-out infinite;
}

.saas-typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.saas-typing-indicator span:nth-child(2) {
    animation-delay: 0.15s;
}

.saas-typing-indicator span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes typingWave {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Premium Input Area
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chat-input-area {
    padding: 16px 20px;
    background: white;
    border-top: 1px solid var(--saas-border);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.saas-chat-input {
    flex: 1;
    border: 2px solid var(--saas-border);
    border-radius: 24px;
    padding: 14px 20px;
    font-size: 14px;
    font-family: inherit;
    background: var(--saas-bg-secondary);
    outline: none;
    transition: all 0.3s ease;
    color: var(--saas-text);
    resize: none;
    min-height: 48px;
    max-height: 120px;
    overflow-y: auto;
}

.saas-chat-input::-webkit-scrollbar {
    width: 4px;
}

.saas-chat-input::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
}

.saas-chat-input::placeholder {
    color: var(--saas-text-muted);
}

.saas-chat-input:focus {
    border-color: var(--saas-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.saas-send-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--saas-primary) 0%, var(--saas-primary-dark) 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--saas-primary-glow);
}

.saas-send-btn:hover:not(:disabled) {
    transform: scale(1.1);
    box-shadow: 0 6px 20px var(--saas-primary-glow);
}

.saas-send-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.saas-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.saas-send-btn svg {
    width: 20px;
    height: 20px;
    fill: white;
    margin-left: 2px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Powered By Footer (Subtle)
   ───────────────────────────────────────────────────────────────────────────── */
.saas-powered-by {
    text-align: center;
    padding: 10px;
    background: var(--saas-bg-secondary);
    font-size: 10px;
    color: var(--saas-text-muted);
    border-top: 1px solid var(--saas-border);
    letter-spacing: 0.3px;
}

.saas-powered-by a {
    color: var(--saas-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.saas-powered-by a:hover {
    color: var(--saas-primary-dark);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Quick Replies (Pill Style)
   ───────────────────────────────────────────────────────────────────────────── */
.saas-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 20px 16px;
    background: linear-gradient(180deg, transparent 0%, var(--saas-bg-secondary) 100%);
}

.saas-quick-reply-btn {
    padding: 10px 16px;
    background: white;
    border: 1px solid var(--saas-border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--saas-text);
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
    font-weight: 500;
}

.saas-quick-reply-btn:hover {
    background: var(--saas-primary);
    color: white;
    border-color: var(--saas-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--saas-primary-glow);
}

.saas-quick-reply-btn:active {
    transform: translateY(0);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Mobile Responsive
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .saas-chatbot-container {
        bottom: 0;
        right: 0;
        left: 0;
        padding: 0;
        gap: 0;
    }
    
    .saas-chatbot-container[data-position="left"] {
        left: 0;
        right: 0;
    }

    .saas-chat-window {
        width: 100%;
        height: 100vh;
        height: 100dvh;
        max-height: 100vh;
        border-radius: 0;
        position: fixed;
        inset: 0;
    }

    .saas-chat-fab {
        position: fixed;
        bottom: 20px;
        right: 20px;
    }

    .saas-chat-window.open~.saas-chat-fab {
        display: none;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Dark Mode
   ───────────────────────────────────────────────────────────────────────────── */
.saas-chatbot-container[data-theme="dark"] {
    --saas-bg: #1E293B;
    --saas-bg-secondary: #0F172A;
    --saas-bg-glass: rgba(30, 41, 59, 0.9);
    --saas-text: #F1F5F9;
    --saas-text-secondary: #94A3B8;
    --saas-text-muted: #64748B;
    --saas-border: rgba(255, 255, 255, 0.08);
}

.saas-chatbot-container[data-theme="dark"] .saas-message.bot .saas-message-bubble {
    background: #334155;
    border-color: rgba(255, 255, 255, 0.1);
}

.saas-chatbot-container[data-theme="dark"] .saas-quick-reply-btn {
    background: #334155;
    border-color: rgba(255, 255, 255, 0.1);
}

.saas-chatbot-container[data-theme="dark"] .saas-chat-input {
    background: #334155;
    border-color: rgba(255, 255, 255, 0.1);
    color: #F1F5F9;
}

.saas-chatbot-container[data-theme="dark"] .saas-chat-input-area {
    background: #1E293B;
}