/**
 * MEDDAX AI Chat - Frontend Styles
 * Glass Style with Dark & Light Theme
 *
 * @package MEDDAX_AI_Berater
 * @since 1.0.0
 */

/* ============================================
   CSS VARIABLES - DARK THEME (Default)
   ============================================ */
.meddax-chat-theme-dark {
    /* Glass Backgrounds */
    --chat-glass-bg: rgba(255, 255, 255, 0.05);
    --chat-glass-bg-medium: rgba(255, 255, 255, 0.08);
    --chat-glass-bg-strong: rgba(255, 255, 255, 0.12);

    /* Borders */
    --chat-border: rgba(255, 255, 255, 0.1);
    --chat-border-hover: rgba(255, 255, 255, 0.2);

    /* Text */
    --chat-text-primary: #ffffff;
    --chat-text-secondary: rgba(255, 255, 255, 0.7);
    --chat-text-muted: rgba(255, 255, 255, 0.5);

    /* Message Bubbles */
    --chat-bubble-bot: rgba(255, 255, 255, 0.08);
    --chat-bubble-user: rgba(var(--chat-primary-rgb), 0.3);

    /* Shadows */
    --chat-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --chat-glow: 0 0 20px rgba(255, 255, 255, 0.1);

    /* Backdrop */
    --chat-backdrop: blur(20px);

    /* Widget Background */
    --chat-widget-bg: rgba(10, 10, 10, 0.85);

    /* Scrollbar */
    --chat-scrollbar-bg: rgba(255, 255, 255, 0.1);
    --chat-scrollbar-thumb: rgba(255, 255, 255, 0.3);
}

/* ============================================
   CSS VARIABLES - LIGHT THEME
   ============================================ */
.meddax-chat-theme-light {
    /* Glass Backgrounds */
    --chat-glass-bg: rgba(0, 0, 0, 0.03);
    --chat-glass-bg-medium: rgba(0, 0, 0, 0.05);
    --chat-glass-bg-strong: rgba(0, 0, 0, 0.08);

    /* Borders */
    --chat-border: rgba(0, 0, 0, 0.08);
    --chat-border-hover: rgba(0, 0, 0, 0.15);

    /* Text */
    --chat-text-primary: #1a1a1a;
    --chat-text-secondary: rgba(0, 0, 0, 0.7);
    --chat-text-muted: rgba(0, 0, 0, 0.5);

    /* Message Bubbles */
    --chat-bubble-bot: rgba(0, 0, 0, 0.05);
    --chat-bubble-user: rgba(var(--chat-primary-rgb), 0.15);

    /* Shadows */
    --chat-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    --chat-glow: 0 0 20px rgba(0, 0, 0, 0.05);

    /* Backdrop */
    --chat-backdrop: blur(20px);

    /* Widget Background */
    --chat-widget-bg: rgba(255, 255, 255, 0.9);

    /* Scrollbar */
    --chat-scrollbar-bg: rgba(0, 0, 0, 0.05);
    --chat-scrollbar-thumb: rgba(0, 0, 0, 0.2);
}

/* ============================================
   DEFAULT PRIMARY COLOR
   ============================================ */
.meddax-chat-widget,
.meddax-chat-toggle {
    --chat-primary: #1a5f4a;
    --chat-primary-rgb: 26, 95, 74;
}

/* ============================================
   TOGGLE BUTTON
   ============================================ */
.meddax-chat-toggle {
    position: fixed;
    bottom: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--chat-primary);
    box-shadow:
        0 4px 20px rgba(var(--chat-primary-rgb), 0.4),
        0 0 20px rgba(var(--chat-primary-rgb), 0.2);
    cursor: pointer;
    z-index: 99998;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    padding: 0;
}

.meddax-chat-toggle:hover {
    transform: scale(1.1);
    box-shadow:
        0 6px 30px rgba(var(--chat-primary-rgb), 0.5),
        0 0 40px rgba(var(--chat-primary-rgb), 0.3);
}

.meddax-chat-toggle:active {
    transform: scale(1.05);
}

.meddax-chat-position-right .meddax-chat-toggle,
.meddax-chat-position-right.meddax-chat-toggle {
    right: 24px;
}

.meddax-chat-position-left .meddax-chat-toggle,
.meddax-chat-position-left.meddax-chat-toggle {
    left: 24px;
}

.meddax-chat-toggle-icon,
.meddax-chat-toggle-close {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.meddax-chat-toggle-icon svg,
.meddax-chat-toggle-close svg {
    width: 28px;
    height: 28px;
    stroke: white;
    fill: none;
}

.meddax-chat-toggle-close {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.meddax-chat-toggle.meddax-chat-active .meddax-chat-toggle-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.meddax-chat-toggle.meddax-chat-active .meddax-chat-toggle-close {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Badge */
.meddax-chat-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    background: #ef4444;
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

/* ============================================
   CHAT WIDGET
   ============================================ */
.meddax-chat-widget {
    position: fixed;
    bottom: 100px;
    width: 380px;
    height: 600px;
    max-height: calc(100vh - 140px);
    background: var(--chat-widget-bg);
    backdrop-filter: var(--chat-backdrop);
    -webkit-backdrop-filter: var(--chat-backdrop);
    border: 1px solid var(--chat-border);
    border-radius: 24px;
    box-shadow: var(--chat-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

.meddax-chat-widget.meddax-chat-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.meddax-chat-position-right .meddax-chat-widget {
    right: 24px;
}

.meddax-chat-position-left .meddax-chat-widget {
    left: 24px;
}

/* ============================================
   HEADER
   ============================================ */
.meddax-chat-header {
    padding: 16px 20px;
    background: var(--chat-glass-bg-medium);
    border-bottom: 1px solid var(--chat-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.meddax-chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.meddax-chat-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--chat-glass-bg-strong);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.meddax-chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.meddax-chat-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    border: 2px solid var(--chat-widget-bg);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

.meddax-chat-header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meddax-chat-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--chat-text-primary);
    line-height: 1.2;
}

.meddax-chat-subtitle {
    font-size: 12px;
    color: var(--chat-text-muted);
    line-height: 1.2;
}

.meddax-chat-header-actions {
    display: flex;
    gap: 8px;
}

.meddax-chat-minimize {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--chat-glass-bg);
    border: 1px solid var(--chat-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
}

.meddax-chat-minimize:hover {
    background: var(--chat-glass-bg-medium);
    border-color: var(--chat-border-hover);
}

.meddax-chat-minimize svg {
    width: 16px;
    height: 16px;
    stroke: var(--chat-text-secondary);
}

/* ============================================
   GDPR BANNER
   ============================================ */
.meddax-chat-gdpr {
    padding: 12px 16px;
    background: var(--chat-glass-bg-medium);
    border-bottom: 1px solid var(--chat-border);
    font-size: 12px;
    color: var(--chat-text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-shrink: 0;
}

.meddax-chat-gdpr p {
    margin: 0;
    line-height: 1.4;
}

.meddax-chat-gdpr a {
    color: var(--chat-primary);
    text-decoration: none;
}

.meddax-chat-gdpr a:hover {
    text-decoration: underline;
}

.meddax-gdpr-accept {
    padding: 6px 12px;
    background: var(--chat-glass-bg-strong);
    border: 1px solid var(--chat-border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--chat-text-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.meddax-gdpr-accept:hover {
    background: var(--chat-primary);
    border-color: var(--chat-primary);
    color: white;
}

/* ============================================
   MESSAGES AREA
   ============================================ */
.meddax-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

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

.meddax-chat-messages::-webkit-scrollbar-track {
    background: var(--chat-scrollbar-bg);
    border-radius: 3px;
}

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

.meddax-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--chat-text-muted);
}

/* ============================================
   MESSAGE BUBBLES
   ============================================ */
.meddax-chat-message {
    display: flex;
    gap: 10px;
    max-width: 85%;
    animation: meddaxMessageSlideIn 0.3s ease;
}

@keyframes meddaxMessageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.meddax-chat-message-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.meddax-chat-message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--chat-glass-bg-strong);
    overflow: hidden;
    flex-shrink: 0;
}

.meddax-chat-message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.meddax-chat-message-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meddax-chat-message-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--chat-text-primary);
    word-wrap: break-word;
}

.meddax-chat-message-bot .meddax-chat-message-bubble {
    background: var(--chat-bubble-bot);
    border: 1px solid var(--chat-border);
    border-bottom-left-radius: 4px;
}

.meddax-chat-message-user .meddax-chat-message-bubble {
    background: var(--chat-bubble-user);
    border: 1px solid rgba(var(--chat-primary-rgb), 0.2);
    border-bottom-right-radius: 4px;
}

.meddax-chat-message-user .meddax-chat-message-content {
    align-items: flex-end;
}

.meddax-chat-message-time {
    font-size: 11px;
    color: var(--chat-text-muted);
    padding: 0 4px;
}

/* Message bubble links */
.meddax-chat-message-bubble a {
    color: var(--chat-primary);
    text-decoration: underline;
}

.meddax-chat-message-bubble a:hover {
    opacity: 0.8;
}

/* ============================================
   TYPING INDICATOR
   ============================================ */
.meddax-chat-typing {
    display: flex;
}

.meddax-typing-dots {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.meddax-typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--chat-text-muted);
    border-radius: 50%;
    animation: meddaxTypingBounce 1.4s infinite ease-in-out;
}

.meddax-typing-dots span:nth-child(1) {
    animation-delay: 0s;
}
.meddax-typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}
.meddax-typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes meddaxTypingBounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================
   QUICK REPLIES
   ============================================ */
.meddax-chat-quick-replies {
    padding: 0 20px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex-shrink: 0;
}

.meddax-quick-reply {
    padding: 8px 14px;
    background: var(--chat-glass-bg);
    border: 1px solid var(--chat-border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--chat-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.meddax-quick-reply:hover {
    background: var(--chat-glass-bg-medium);
    border-color: var(--chat-border-hover);
    color: var(--chat-text-primary);
}

.meddax-quick-reply:active {
    transform: scale(0.98);
}

/* ============================================
   INPUT AREA
   ============================================ */
.meddax-chat-input-area {
    padding: 16px 20px;
    background: var(--chat-glass-bg-medium);
    border-top: 1px solid var(--chat-border);
    flex-shrink: 0;
}

.meddax-chat-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    background: var(--chat-glass-bg);
    border: 1px solid var(--chat-border);
    border-radius: 24px;
    padding: 8px 8px 8px 16px;
    transition: all 0.2s ease;
}

.meddax-chat-input-wrapper:focus-within {
    border-color: var(--chat-primary);
    box-shadow: 0 0 0 3px rgba(var(--chat-primary-rgb), 0.1);
}

.meddax-chat-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--chat-text-primary);
    resize: none;
    max-height: 120px;
    min-height: 24px;
    line-height: 1.5;
    padding: 0;
    margin: 0;
    outline: none;
    font-family: inherit;
}

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

.meddax-chat-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--chat-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    padding: 0;
}

.meddax-chat-send:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(var(--chat-primary-rgb), 0.4);
}

.meddax-chat-send:active:not(:disabled) {
    transform: scale(0.98);
}

.meddax-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.meddax-chat-send svg {
    width: 20px;
    height: 20px;
    fill: white;
}

/* Powered By */
.meddax-chat-powered {
    text-align: center;
    font-size: 11px;
    color: var(--chat-text-muted);
    margin-top: 8px;
}

/* ============================================
   EMBEDDED CHAT
   ============================================ */
.meddax-chat-embedded {
    position: relative;
    width: 100%;
    border-radius: 24px;
    overflow: hidden;
}

.meddax-chat-embedded .meddax-chat-widget {
    position: relative;
    bottom: auto;
    right: auto;
    left: auto;
    width: 100%;
    height: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: none;
}

.meddax-chat-embedded .meddax-chat-header-actions {
    display: none;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 480px) {
    .meddax-chat-widget {
        width: 100%;
        height: 100%;
        max-height: 100%;
        bottom: 0;
        right: 0 !important;
        left: 0 !important;
        border-radius: 0;
    }

    .meddax-chat-widget.meddax-chat-open {
        transform: none;
    }

    .meddax-chat-toggle {
        bottom: 16px;
        width: 56px;
        height: 56px;
    }

    .meddax-chat-position-right .meddax-chat-toggle,
    .meddax-chat-position-right.meddax-chat-toggle {
        right: 16px;
    }

    .meddax-chat-position-left .meddax-chat-toggle,
    .meddax-chat-position-left.meddax-chat-toggle {
        left: 16px;
    }

    .meddax-chat-toggle-icon svg,
    .meddax-chat-toggle-close svg {
        width: 24px;
        height: 24px;
    }

    .meddax-chat-messages {
        padding: 16px;
    }

    .meddax-chat-quick-replies {
        padding: 0 16px 12px;
    }

    .meddax-chat-input-area {
        padding: 12px 16px;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .meddax-chat-toggle,
    .meddax-chat-widget,
    .meddax-chat-message,
    .meddax-typing-dots span {
        animation: none;
        transition: opacity 0.2s ease;
    }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
    .meddax-chat-toggle,
    .meddax-chat-widget {
        display: none !important;
    }
}