/**
 * WP Kefu Pro - 前台样式
 * 精美客服弹窗 + 响应式适配
 */

/* ========== 客服图标 ========== */
.wpkr-kefu-icon {
    position: fixed !important;
    right: var(--wpkr-pc-r) !important;
    bottom: var(--wpkr-pc-b) !important;
    z-index: 999999 !important;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    width: var(--wpkr-pc-w) !important;
    height: var(--wpkr-pc-h) !important;
    margin: 0 !important;
    padding: 0 !important;
}
.wpkr-kefu-icon:hover {
    transform: scale(1.12) !important;
}
.wpkr-kefu-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 0 0 3px rgba(102,126,234,0.15);
}

/* 脉冲动画 */
.wpkr-kefu-pulse {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
    background: #22c55e;
    border-radius: 50%;
    border: 2px solid #fff;
    animation: wpkr-pulse-ring 2s ease-out infinite;
}
@keyframes wpkr-pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
    70% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* ========== 飘动提示语 ========== */
.wpkr-bubble {
    position: absolute;
    bottom: calc(100% + 14px);
    right: -10px;
    white-space: nowrap;
    background: linear-gradient(135deg, #667eea, #f093fb, #f5576c);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: var(--wpkr-bubble-size);
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(102,126,234,0.35);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
    animation: none;
}
.wpkr-bubble-show {
    opacity: 1;
    transform: translateY(0);
    animation: wpkr-float 2.5s ease-in-out infinite;
}
.wpkr-bubble-arrow {
    position: absolute;
    bottom: -8px;
    right: 22px;
    width: 0; height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #f093fb;
}
@keyframes wpkr-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}
@media (max-width: 640px) {
    .wpkr-bubble { right: 0; font-size: calc(var(--wpkr-bubble-size) - 2px); padding: 6px 12px; }
}

/* ========== 遮罩 ========== */
.wpkr-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999998 !important;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}
.wpkr-overlay-open {
    opacity: 1;
    pointer-events: auto;
}

/* ========== 弹窗 ========== */
.wpkr-modal {
    position: fixed;
    right: 30px;
    bottom: 120px;
    width: 420px;
    max-height: 80vh;
    z-index: 9999999 !important;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.2), 0 10px 30px rgba(102,126,234,0.15);
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.wpkr-modal-open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* ========== 弹窗头部 ========== */
.wpkr-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    flex-shrink: 0;
}
.wpkr-modal-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.wpkr-modal-title svg { flex-shrink: 0; }

.wpkr-modal-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}
.wpkr-modal-close:hover {
    background: rgba(255,255,255,0.35);
    transform: rotate(90deg);
}

/* ========== 弹窗内容 ========== */
.wpkr-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 用户信息徽章 */
.wpkr-user-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #f0f4ff 0%, #f5f0ff 100%);
    border-radius: 12px;
    font-size: 13px;
    color: #667eea;
    font-weight: 500;
}
.wpkr-user-badge svg { flex-shrink: 0; opacity: 0.7; }

/* ========== 表单字段 ========== */
.wpkr-field { display: flex; flex-direction: column; gap: 6px; }

.wpkr-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}
.wpkr-label svg { color: #667eea; flex-shrink: 0; }

.wpkr-input {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
    color: #334155;
    background: #f8fafc;
    transition: all 0.25s ease;
    outline: none;
    font-family: inherit;
    box-sizing: border-box;
}
.wpkr-input:focus {
    border-color: #667eea;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(102,126,234,0.1);
}
.wpkr-input::placeholder { color: #94a3b8; }

.wpkr-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* ========== 图片上传 ========== */
#wpkr-image-uploader { display: flex; flex-direction: column; gap: 6px; }

.wpkr-btn-image {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    background: #f8fafc;
    color: #64748b;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.25s ease;
    font-family: inherit;
}
.wpkr-btn-image:hover {
    border-color: #667eea;
    color: #667eea;
    background: #f0f4ff;
}
.wpkr-image-hint {
    font-size: 11px;
    color: #94a3b8;
}

/* 图片预览 */
.wpkr-image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}
.wpkr-preview-item {
    position: relative;
    width: 72px;
    height: 72px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid #e2e8f0;
}
.wpkr-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.wpkr-preview-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.wpkr-preview-remove:hover { background: #ef4444; }

/* ========== 数学验证码 ========== */
.wpkr-captcha-box {
    display: flex;
    align-items: center;
    gap: 8px;
}
.wpkr-captcha-q {
    background: linear-gradient(135deg, #f0f4ff 0%, #f5f0ff 100%);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    color: #667eea;
    letter-spacing: 2px;
    white-space: nowrap;
    user-select: none;
}
.wpkr-captcha-input {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    text-align: center;
    outline: none;
    transition: border-color 0.2s;
    width: 80px;
}
.wpkr-captcha-input:focus { border-color: #667eea; }
.wpkr-captcha-refresh {
    background: #f1f5f9;
    border: none;
    padding: 8px;
    border-radius: 10px;
    cursor: pointer;
    color: #64748b;
    transition: all 0.2s;
}
.wpkr-captcha-refresh:hover { background: #667eea; color: #fff; }

/* ========== 消息提示 ========== */
.wpkr-msg {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    animation: wpkr-slideIn 0.3s ease;
}
.wpkr-msg-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}
.wpkr-msg-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
@keyframes wpkr-slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ========== 按钮 ========== */
.wpkr-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 4px;
}
.wpkr-btn {
    padding: 10px 22px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.wpkr-btn-cancel {
    background: #f1f5f9;
    color: #475569;
}
.wpkr-btn-cancel:hover { background: #e2e8f0; }

.wpkr-btn-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(102,126,234,0.4);
}
.wpkr-btn-submit:hover {
    box-shadow: 0 6px 20px rgba(102,126,234,0.55);
    transform: translateY(-1px);
}
.wpkr-btn-submit:active { transform: translateY(0); }
.wpkr-btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* 加载旋转 */
.wpkr-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: wpkr-spin 0.6s linear infinite;
    display: inline-block;
}
@keyframes wpkr-spin { to { transform: rotate(360deg); } }

/* ========== 响应式 - 移动端 ========== */
@media (max-width: 640px) {
    .wpkr-kefu-icon {
        display: block !important;
        visibility: visible !important;
        right: var(--wpkr-m-r) !important;
        bottom: var(--wpkr-m-b) !important;
        width: var(--wpkr-m-w) !important;
        height: var(--wpkr-m-h) !important;
    }
    .wpkr-modal {
        right: 10px;
        left: 10px;
        bottom: 90px;
        width: auto;
        max-height: 70vh;
        border-radius: 16px;
    }
    .wpkr-modal-header {
        padding: 14px 16px;
    }
    .wpkr-modal-body {
        padding: 16px;
        gap: 14px;
    }
    .wpkr-modal-title { font-size: 15px; }
    .wpkr-input { padding: 10px 12px; font-size: 16px; }
    .wpkr-btn { padding: 10px 18px; }
}

/* 小屏手机 */
@media (max-width: 420px) {
    .wpkr-modal {
        right: 5px;
        left: 5px;
        bottom: 80px;
    }
}