/**
 * NavTalk Digital Human Styles
 * Includes avatar card styles and chat modal styles
 */

/* ==========================================================================
   Avatar Card Styles
   ========================================================================== */

.navtalk-avatar-container {
    /* 容器宽度由Grid自动分配，不设置固定宽度 */
}

.navtalk-avatar-list {
    margin: 20px 0;
    display: grid;
    gap: 20px;
}

/* Auto-fit responsive grid - 根据容器宽度自动调整列数 */
/* 1列：最小宽度100% */
.navtalk-avatar-list[data-columns="1"] {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

/* 2列：最小宽度280px，自动适应 */
.navtalk-avatar-list[data-columns="2"] {
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

/* 3列：最小宽度250px，自动适应 */
.navtalk-avatar-list[data-columns="3"] {
    grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
}

/* 4列：最小宽度220px，自动适应 */
.navtalk-avatar-list[data-columns="4"] {
    grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
}

/* 5列：最小宽度200px，自动适应 */
.navtalk-avatar-list[data-columns="5"] {
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
}

/* 6列：最小宽度180px，自动适应 */
.navtalk-avatar-list[data-columns="6"] {
    grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
}

.navtalk-avatar-list.navtalk-list-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Responsive adjustments - 只调整间距和其他非布局属性 */
@media (max-width: 768px) {
    .navtalk-avatar-list {
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .navtalk-avatar-list {
        gap: 10px;
    }
}

.navtalk-avatar-card {
    width: 100%; /* 填充Grid单元格 */
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.navtalk-avatar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.navtalk-avatar-image {
    position: relative;
    width: 100%;
    padding-top: 133%; /* 4:3 aspect ratio */
    background: #f0f0f0;
    overflow: hidden;
}

.navtalk-avatar-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 5% !important ;
}

.navtalk-avatar-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.navtalk-avatar-placeholder span {
    font-size: 48px;
    margin-bottom: 10px;
}

.navtalk-avatar-placeholder p {
    font-size: 18px;
    margin: 0;
}

.navtalk-avatar-info {
    padding: 15px;
}

.navtalk-avatar-title {
    margin: 0 0 8px 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
    text-transform: none;
}

.navtalk-avatar-status {
    display: flex;
    align-items: center;
    margin: 0;
    font-size: 14px;
    color: #666;
}

.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.status-available .status-indicator {
    background: #4caf50;
    box-shadow: 0 0 6px rgba(76, 175, 80, 0.6);
}

.status-unavailable .status-indicator {
    background: #f44336;
}

.navtalk-start-chat {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navtalk-start-chat:hover:not(:disabled) {
    background: #3D3D3D;
    transform: scale(1.02);
    border-radius: 8px 8px 8px 8px;
}

.navtalk-start-chat:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

/* ==========================================================================
   New Avatar Card Layout Styles
   ========================================================================== */

/* Overlay Layout */
.navtalk-layout-overlay .navtalk-avatar-card {
    position: relative;
}

.navtalk-avatar-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: transparent;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    z-index: 2;
}

/* When title is present, show background gradient */
.navtalk-avatar-overlay:has(.navtalk-avatar-title) {
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.6) 100%);
}

.navtalk-layout-overlay .navtalk-avatar-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    flex: 1;
}

/* Status Badge (Corner) */
.navtalk-status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    z-index: 3;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.navtalk-status-badge.status-available {
    background: #4caf50;
}

.navtalk-status-badge.status-unavailable {
    background: #f44336;
}

/* Icon Buttons */
.navtalk-button-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.navtalk-icon-button {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    flex-shrink: 0;
}

.navtalk-icon-button:hover {
    background: transparent;
    color: #fff;
    transform: scale(1.1);
}

.navtalk-icon-button svg,
.navtalk-icon-button .navtalk-phone-icon,
.navtalk-icon-button .navtalk-download-icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
    display: block;
    flex-shrink: 0;
}

/* Bottom Layout */
.navtalk-layout-bottom .navtalk-avatar-info {
    padding: 15px;
    text-align: center;
}

/* ==========================================================================
   Avatar Preview Video Styles
   ========================================================================== */

/* Preview video base styles */
.navtalk-avatar-preview-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

/* List mode: videos default to poster frame (not autoplay) */
.navtalk-avatar-list .navtalk-avatar-preview-video {
    /* Browsers show poster by default when not playing */
}

/* Inline mode z-index layering */
.navtalk-inline-mode .navtalk-avatar-preview-video {
    z-index: 0; /* Bottom layer - preview video */
}

.navtalk-inline-mode .navtalk-avatar-static-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0; /* Same as preview video, mutually exclusive */
    display: block;
}

.navtalk-inline-mode .navtalk-avatar-inline-video {
    z-index: 2; /* Top layer - realtime call video */
}

/* Hidden state helpers */
.navtalk-inline-mode .navtalk-avatar-static-img.hidden {
    display: none !important;
}

.navtalk-inline-mode .navtalk-avatar-preview-video.hidden {
    display: none !important;
}

.navtalk-inline-mode .navtalk-avatar-inline-video.active {
    display: block !important;
}

/* ==========================================================================
   Bottom Layout Continued
   ========================================================================== */

.navtalk-layout-bottom .navtalk-avatar-title {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

.navtalk-layout-bottom .navtalk-button-group {
    margin-top: 10px;
    justify-content: center;
}

.navtalk-layout-bottom .navtalk-icon-button {
    background: transparent;
    color: #667eea;
}

.navtalk-layout-bottom .navtalk-icon-button:hover {
    background: transparent;
    color: #7c8ef3;
}

/* Phone icon and download icon image: white SVG on overlay, dark on bottom layout */
.navtalk-layout-bottom .navtalk-icon-button .navtalk-phone-icon,
.navtalk-layout-bottom .navtalk-icon-button .navtalk-download-icon {
    filter: brightness(0) saturate(100%) invert(39%) sepia(90%) saturate(1500%) hue-rotate(230deg);
}
.navtalk-layout-bottom .navtalk-icon-button:hover .navtalk-phone-icon,
.navtalk-layout-bottom .navtalk-icon-button:hover .navtalk-download-icon {
    filter: brightness(0) saturate(100%) invert(51%) sepia(90%) saturate(1500%) hue-rotate(230deg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navtalk-avatar-overlay {
        padding: 10px;
    }
    
    .navtalk-layout-overlay .navtalk-avatar-title {
        font-size: 14px;
    }
    
    .navtalk-icon-button {
        width: 32px;
        height: 32px;
    }
    
    .navtalk-icon-button svg {
        width: 16px;
        height: 16px;
    }
}

/* ==========================================================================
   Button Shortcode Styles
   ========================================================================== */

.navtalk-trigger-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.navtalk-trigger-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navtalk-trigger-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Button Styles */
.navtalk-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.navtalk-btn-secondary {
    background: #6c757d;
    color: #fff;
}

.navtalk-btn-outline {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
}

.navtalk-btn-outline:hover:not(:disabled) {
    background: #667eea;
    color: #fff;
}

/* Button Sizes */
.navtalk-btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

.navtalk-btn-medium {
    padding: 12px 24px;
    font-size: 16px;
}

.navtalk-btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.navtalk-btn-icon {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Floating Button Styles
   ========================================================================== */

.navtalk-floating-button {
    position: fixed;
    z-index: 9998;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-radius: 50%;
}

.navtalk-floating-bottom-right {
    bottom: 30px;
    right: 30px;
}

.navtalk-floating-bottom-left {
    bottom: 30px;
    left: 30px;
}

.navtalk-floating-top-right {
    top: 30px;
    right: 30px;
}

.navtalk-floating-top-left {
    top: 30px;
    left: 30px;
}

.navtalk-floating-btn {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navtalk-floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   Link Shortcode Styles
   ========================================================================== */

.navtalk-trigger-link {
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.navtalk-trigger-link:hover {
    opacity: 0.8;
}

.navtalk-link-default {
    color: #667eea;
    text-decoration: underline;
}

.navtalk-link-button {
    display: inline-block;
    padding: 8px 16px;
    background: #667eea;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
}

.navtalk-link-underline {
    color: inherit;
    border-bottom: 2px solid #667eea;
    text-decoration: none;
}

.navtalk-link-disabled {
    color: #999;
    cursor: not-allowed;
    text-decoration: line-through;
}

/* ==========================================================================
   Chat Modal Styles
   ========================================================================== */

.navtalk-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay-color, transparent);
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
}

.navtalk-modal.active {
    display: flex;
}

.navtalk-modal-content {
    position: relative;
    width: var(--modal-width, 1200px);
    height: var(--modal-height, 800px);
    max-width: var(--modal-max-width, 90vw);
    max-height: var(--modal-max-height, 90vh);
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.navtalk-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10000;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navtalk-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ==========================================================================
   Real-time Container Styles (from demo.html)
   ========================================================================== */

.real-time-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    position: relative;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.ah-character-box {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ah-character-avatar {
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    overflow: hidden;
    background: #000;
}

#character-static-image {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 5% !important;
    transform: translate(-50%, -50%);
    background: #000;
}

#character-avatar-video {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transform: none !important;
    z-index: 1;
    object-fit: cover;
    object-position: 50% 5% !important;
}

#character-avatar-video:hover {
    transform: translate(-50%, -50%) scale(1.02);
    transition: transform 0.3s ease;
}

/* Call button - positioned inside modal content */
.btn-character-call {
    position: absolute;
    bottom: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 10px 20px rgba(118, 75, 162, 0.3);
    z-index: 9999;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

/* Button position: center-bottom (default) */
.btn-character-call.position-center-bottom {
    left: 50%;
    transform: translateX(-50%);
}

/* Button position: bottom-left */
.btn-character-call.position-bottom-left {
    left: 30px;
}

/* Button position: bottom-right */
.btn-character-call.position-bottom-right {
    right: 30px;
}

.btn-character-call:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 25px rgba(118, 75, 162, 0.4);
}

.btn-character-call.active {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%) !important;
    box-shadow: 0 10px 20px rgba(231, 76, 60, 0.4) !important;
    animation: pulse-red 1.5s ease-in-out infinite;
}

@keyframes pulse-red {
    0%, 100% {
        box-shadow: 0 10px 20px rgba(231, 76, 60, 0.4);
    }
    50% {
        box-shadow: 0 10px 30px rgba(231, 76, 60, 0.6);
    }
}

/* Inline mode styles */
.navtalk-inline-mode .navtalk-avatar-image {
    position: relative;
    overflow: hidden;
}

.navtalk-inline-mode .navtalk-avatar-inline-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    display: none; /* 默认隐藏 */
}

.navtalk-inline-mode .navtalk-avatar-static-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    display: block;
}

.navtalk-inline-mode .navtalk-avatar-static-img.hidden {
    display: none !important;
}

.navtalk-inline-mode .navtalk-avatar-inline-video.active {
    display: block !important;
}

.navtalk-inline-mode .navtalk-call-btn.active {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%) !important;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4) !important;
    animation: pulse-red-small 1.5s ease-in-out infinite;
}

@keyframes pulse-red-small {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
    }
    50% {
        box-shadow: 0 6px 18px rgba(231, 76, 60, 0.6);
    }
}

.ah-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.ah-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.ah-icon {
    transition: all 0.3s ease;
}

/* Chat container */
.ah-character-chat {
    position: fixed;
    bottom: 100px;
    left: 20px;
    right: 20px;
    max-height: 30vh;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.character-chat-item {
    max-width: 70%;
    padding: 12px 18px;
    border-radius: 18px;
    font-size: 16px;
    line-height: 1.4;
    animation: fadeIn 0.3s ease-out;
}

.item-user {
    align-self: flex-end;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.item-character {
    align-self: flex-start;
    background: white;
    color: #333;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Scrollbar style */
.ah-character-chat::-webkit-scrollbar {
    width: 6px;
}

.ah-character-chat::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.ah-character-chat::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

/* Typing animation */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 0;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
    animation: typingAnimation 1.4s ease-in-out infinite;
    opacity: 0.6;
}

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

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Button animation effects */
@keyframes navtalk-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

@keyframes navtalk-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .navtalk-avatar-container {
        max-width: 100%;
    }
    
    .ah-character-chat {
        bottom: 80px;
        max-height: 25vh;
    }
    
    .btn-character-call {
        width: 50px;
        height: 50px;
        bottom: 20px;
    }
    
    .btn-character-call.position-bottom-left {
        left: 20px;
    }
    
    .btn-character-call.position-bottom-right {
        right: 20px;
    }
    
    .navtalk-modal-close {
        width: 40px;
        height: 40px;
        top: 15px;
        right: 15px;
    }
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .navtalk-avatar-card {
        background: #1e1e1e;
    }
    
    .navtalk-avatar-title {
        color: #e0e0e0;
    }
    
    .navtalk-avatar-status {
        color: #999;
    }
    
    .item-character {
        background: #2d2d2d;
        color: #e0e0e0;
    }
    
    .ah-character-avatar {
        background: #1e1e1e;
    }
    
    .ah-btn {
        background: rgba(30, 30, 30, 0.5);
    }
}