/* ===== 卡密系统 - 用户端全局样式 ===== */
/* 设计体系：Glassmorphism + iOS 风格 + 移动端优先 */

:root {
    --primary: #007aff;
    --primary-dark: #0056d6;
    --primary-light: rgba(0,122,255,0.08);
    --secondary: #5856d6;
    --success: #34c759;
    --success-bg: rgba(52,199,89,0.10);
    --danger: #ff3b30;
    --danger-bg: rgba(255,59,48,0.08);
    --warning: #ff9500;
    --warning-bg: rgba(255,149,0,0.08);
    --info: #5ac8fa;
    --glass: rgba(255,255,255,0.72);
    --glass-solid: rgba(255,255,255,0.92);
    --glass-border: rgba(120,120,128,0.16);
    --glass-border-strong: rgba(120,120,128,0.24);
    --bg: #f2f2f7;
    --bg-gradient-start: #f5f5f7;
    --bg-gradient-end: #e5e5ea;
    --text: #1d1d1f;
    --text-secondary: #86868b;
    --text-tertiary: #aeaeb2;
    --border: rgba(120,120,128,0.12);
    --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.06), 0 12px 40px rgba(0,0,0,0.04);
    --shadow-xl: 0 10px 40px rgba(0,0,0,0.08);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-pill: 9999px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

input, button, textarea, select {
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
    font-size: 16px;
}
input:focus, button:focus, textarea:focus, select:focus { outline: none; }
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--bg) inset !important;
    -webkit-text-fill-color: var(--text) !important;
    transition: background-color 5000s ease-in-out 0s;
}

a { color: var(--primary); text-decoration: none; }

/* ===== 顶部导航栏 ===== */
.top-nav-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-solid);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-bottom: 1px solid var(--glass-border);
    padding: 8px 0;
}
.top-nav-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
}
.top-nav-brand {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.top-nav-brand svg { width: 24px; height: 24px; color: var(--primary); }

/* 头像菜单 */
.avatar-menu { position: relative; cursor: pointer; }
.avatar-img {
    width: 36px; height: 36px; border-radius: 50%;
    object-fit: cover; border: 2px solid var(--glass-border-strong);
    transition: var(--transition-fast);
}
.avatar-img:hover { border-color: var(--primary); }
.avatar-dropdown {
    position: absolute; top: 48px; right: 0;
    background: var(--glass-solid); border: 1px solid var(--glass-border);
    border-radius: 12px; box-shadow: var(--shadow-lg);
    min-width: 180px; padding: 8px 0;
    display: none; z-index: 200;
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
}
.avatar-dropdown.show { display: block; animation: fadeInDown 0.2s ease; }
.avatar-dropdown a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; color: var(--text);
    text-decoration: none; font-size: 14px; font-weight: 500;
    transition: var(--transition-fast);
}
.avatar-dropdown a:hover { background: var(--primary-light); color: var(--primary); }
.avatar-dropdown .divider { height: 1px; background: var(--border); margin: 6px 12px; }
.avatar-dropdown .user-email {
    padding: 8px 16px; font-size: 13px; color: var(--text-secondary);
    border-bottom: 1px solid var(--border); margin-bottom: 4px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 未登录时的导航链接 */
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-pill {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 6px 14px; border-radius: var(--radius-pill);
    font-size: 13px; font-weight: 600; color: var(--text-secondary);
    background: transparent; border: 1px solid transparent;
    text-decoration: none; white-space: nowrap;
    transition: var(--transition); cursor: pointer;
}
.nav-pill:hover { background: rgba(0,0,0,0.04); color: var(--text); }
.nav-pill.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.nav-pill.primary:hover { filter: brightness(1.08); }

/* ===== 底部 Tab 导航 ===== */
.bottom-tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99;
    background: var(--glass-solid);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-top: 1px solid var(--glass-border);
    padding-bottom: env(safe-area-inset-bottom, 0);
    display: none;
}
.bottom-tab-bar.show { display: flex; }
.bottom-tab-inner {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 56px;
}
.bottom-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
}
.bottom-tab svg { width: 22px; height: 22px; }
.bottom-tab.active { color: var(--primary); }
.bottom-tab:active { opacity: 0.7; }

/* ===== 主内容区 ===== */
.main-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px;
}

/* ===== 通用卡片 ===== */
.card {
    background: var(--glass);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.card:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.card-title {
    font-size: 15px; font-weight: 700; color: var(--text);
    margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.card-title svg { width: 18px; height: 18px; color: var(--primary); }

/* ===== 按钮 ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 5px; padding: 10px 16px; font-size: 14px; font-weight: 600;
    border: none; border-radius: var(--radius-sm); cursor: pointer;
    transition: var(--transition); text-decoration: none; white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 1px 3px rgba(0,122,255,0.2); }
.btn-primary:hover { box-shadow: 0 4px 10px rgba(0,122,255,0.25); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline {
    background: transparent; color: var(--primary);
    border: 1px solid var(--glass-border-strong); box-shadow: none;
}
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary); }
.btn-block { width: 100%; padding: 14px; font-size: 15px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--text-secondary); margin-bottom: 6px;
}
.form-control {
    width: 100%; padding: 10px 14px;
    border: 1px solid var(--glass-border-strong); border-radius: var(--radius-sm);
    background: var(--glass-solid); color: var(--text); font-size: 16px;
    transition: var(--transition);
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
    background: #fff;
}
.form-control::placeholder { color: var(--text-tertiary); }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ===== 弹窗（Modal）===== */
.modal {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none; align-items: center; justify-content: center;
    z-index: 999; padding: 16px;
    opacity: 0; transition: opacity 0.3s ease;
}
.modal.show { display: flex; opacity: 1; }
.modal-content {
    background: var(--glass-solid);
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 100%; max-width: 560px;
    max-height: 88vh; overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px) scale(0.96);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal.show .modal-content { transform: translateY(0) scale(1); }
.modal-header {
    padding: 16px 20px; border-bottom: 1px solid var(--glass-border);
    display: flex; justify-content: space-between; align-items: center;
    position: sticky; top: 0; background: var(--glass-solid); z-index: 2;
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
}
.modal-title { font-size: 17px; font-weight: 700; }
.modal-close {
    background: none; border: none; font-size: 24px;
    color: var(--text-secondary); cursor: pointer;
    width: 32px; height: 32px; display: flex;
    align-items: center; justify-content: center; border-radius: 50%;
    transition: var(--transition-fast);
}
.modal-close:hover { background: rgba(0,0,0,0.05); color: var(--danger); }
.modal-body { padding: 16px 20px; }

/* 大弹窗 */
.modal-content.lg { max-width: 720px; }

/* ===== Toast 通知 ===== */
.toast-container {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
    z-index: 9999; display: flex; flex-direction: column; gap: 10px;
    pointer-events: none; max-width: 90vw;
}
.toast {
    background: var(--glass-solid); border-radius: 12px;
    padding: 12px 18px; box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; font-weight: 500; color: var(--text);
    pointer-events: auto;
    animation: toastSlideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-left: 4px solid var(--primary);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--glass-border);
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast-icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ===== 状态标签 ===== */
.status-pill {
    display: inline-flex; align-items: center;
    padding: 3px 10px; border-radius: var(--radius-pill);
    font-size: 11px; font-weight: 700;
}
.status-pending { background: var(--warning-bg); color: #b37400; }
.status-approved { background: var(--success-bg); color: #248a3d; }
.status-rejected { background: var(--danger-bg); color: #c41c13; }

/* ===== 加载动画 ===== */
.spinner {
    width: 24px; height: 24px;
    border: 2px solid var(--border); border-top-color: var(--primary);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 通用动画 ===== */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-12px) scale(0.95); }
    to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center; padding: 60px 20px; color: var(--text-secondary);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.35; }
.empty-state h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 14px; }

/* ===== 页面底部 ===== */
.page-footer {
    text-align: center; padding: 20px 16px 30px;
    color: var(--text-tertiary); font-size: 12px; font-weight: 500;
}

/* ===== 查看售后弹窗专用样式 ===== */

/* --- 工单列表视图 --- */
.va-list-view { display: flex; flex-direction: column; gap: 10px; }
.va-list-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; background: var(--glass-solid);
    border: 1px solid var(--glass-border); border-radius: var(--radius);
    cursor: pointer; transition: var(--transition-fast);
}
.va-list-item:hover {
    border-color: var(--glass-border-strong);
    box-shadow: var(--shadow);
    transform: translateX(2px);
}
.va-list-item:active { transform: scale(0.98); }
.va-list-main { flex: 1; min-width: 0; }
.va-list-title {
    font-size: 14px; font-weight: 700; color: var(--text);
    margin-bottom: 4px; display: flex; align-items: center; gap: 6px;
}
.va-list-desc {
    font-size: 13px; color: var(--text-secondary);
    line-height: 1.5; margin-bottom: 4px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.va-list-meta {
    font-size: 11px; color: var(--text-tertiary); font-weight: 500;
}

/* --- 工单详情视图 --- */
.va-detail-view { animation: fadeInDown 0.2s ease; }
.va-detail-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px; padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}
.va-back-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px; background: var(--glass);
    border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 600; color: var(--text-secondary);
    cursor: pointer; transition: var(--transition-fast);
}
.va-back-btn:hover { background: var(--primary-light); color: var(--primary); border-color: rgba(0,122,255,0.2); }
.va-detail-body { display: flex; flex-direction: column; gap: 12px; }

/* 工单信息行 */
.va-info-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0; border-bottom: 1px solid var(--glass-border);
    font-size: 13px;
}
.va-info-row:last-child { border-bottom: none; }
.va-info-label { color: var(--text-secondary); font-weight: 500; }
.va-info-value { color: var(--text); font-weight: 600; text-align: right; }

/* 判决结果 */
.va-verdict {
    padding: 12px 14px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; text-align: center;
}
.va-verdict.approved {
    background: var(--success-bg); color: #248a3d;
    border: 1px solid rgba(52,199,89,0.2);
}
.va-verdict.rejected {
    background: var(--danger-bg); color: #c41c13;
    border: 1px solid rgba(255,59,48,0.2);
}

/* 通用状态 */
.va-ticket-status { padding: 3px 10px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; }
.va-status-0 { background: var(--warning-bg); color: #b37400; }
.va-status-1 { background: var(--success-bg); color: #248a3d; }
.va-status-2 { background: var(--danger-bg); color: #c41c13; }

/* 详情区块 */
.va-section { }
.va-section-title {
    font-size: 11px; font-weight: 700; color: var(--text-secondary);
    margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px;
}
.va-section-content {
    font-size: 14px; color: var(--text); line-height: 1.6;
    background: var(--glass); padding: 10px 12px;
    border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
    word-break: break-word;
}

/* 媒体网格 */
.va-media-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px; margin-top: 8px;
}
.va-media-item {
    position: relative;
    border-radius: var(--radius-sm); overflow: hidden;
    border: 1px solid var(--glass-border); cursor: pointer;
    background: var(--glass); transition: var(--transition-fast);
}
.va-media-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.va-media-preview { width: 100%; height: 100px; object-fit: cover; display: block; }
.va-media-type {
    position: absolute; bottom: 4px; left: 4px;
    background: rgba(0,0,0,0.65); color: #fff;
    font-size: 10px; font-weight: 600;
    padding: 2px 6px; border-radius: 4px;
    pointer-events: none;
}

/* 沟通记录 */
.va-reply-list { display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow-y: auto; }
.va-reply {
    padding: 10px 12px; border-radius: var(--radius-sm); font-size: 13px; line-height: 1.5;
}
.va-reply-user { background: var(--primary-light); border: 1px solid rgba(0,122,255,0.15); margin-left: 16px; color: var(--primary-dark); }
.va-reply-admin { background: var(--danger-bg); border: 1px solid rgba(255,59,48,0.15); margin-right: 16px; color: #c41c13; }
.va-reply-agent { background: var(--warning-bg); border: 1px solid rgba(255,149,0,0.15); margin-right: 16px; color: #b37400; }
.va-reply-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; font-size: 11px; font-weight: 700; opacity: 0.7; }

/* 空状态 */
.va-empty { text-align: center; padding: 30px 20px; color: var(--text-secondary); font-size: 14px; }

/* 管理员备注 */
.va-admin-notes { background: var(--warning-bg); border-left: 4px solid var(--warning); padding: 10px 12px; border-radius: var(--radius-sm); color: #b37400; font-size: 13px; line-height: 1.6; }

/* 回复表单 */
.va-reply-form { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--glass-border); display: flex; gap: 8px; }
.va-reply-form textarea { flex: 1; min-height: 44px; padding: 10px 12px; border: 1px solid var(--glass-border-strong); border-radius: var(--radius-sm); background: var(--glass-solid); font-size: 14px; resize: none; }
.va-reply-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,122,255,0.12); }
.va-reply-form button { padding: 10px 16px; background: var(--primary); color: #fff; border: none; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--transition-fast); white-space: nowrap; }
.va-reply-form button:hover { filter: brightness(1.08); }
.va-reply-form button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 媒体预览遮罩 ===== */
.media-viewer {
    position: fixed; inset: 0; background: rgba(0,0,0,0.92);
    display: none; align-items: center; justify-content: center;
    z-index: 20000; cursor: pointer; padding: 20px;
}
.media-viewer.show { display: flex; }
.media-viewer img, .media-viewer video {
    max-width: 90%; max-height: 90%; object-fit: contain;
    border-radius: var(--radius-sm); cursor: default;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .main-content { padding: 12px; }
    .card { padding: 14px; margin-bottom: 12px; border-radius: var(--radius-sm); }
    .card-title { font-size: 14px; margin-bottom: 12px; }
    .modal { padding: 10px; }
    .modal-content { border-radius: var(--radius-sm); max-width: 100%; }
    .modal-header { padding: 12px 14px; }
    .modal-body { padding: 12px 14px; }
    .btn-block { padding: 12px; }
    .form-group { margin-bottom: 12px; }
    .form-control { padding: 8px 12px; }
    .bottom-tab-bar { display: flex; }
    body { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0)); }
}

@media (max-width: 640px) {
    .top-nav-brand { font-size: 15px; }
    .top-nav-brand svg { width: 20px; height: 20px; }
    .top-nav-inner { padding: 0 12px; height: 44px; }
    .nav-pill { padding: 5px 10px; font-size: 12px; }
    .avatar-img { width: 32px; height: 32px; }
    .avatar-dropdown { min-width: 160px; right: -8px; }
    .main-content { padding: 10px; }
    .modal-content { max-width: 100%; border-radius: var(--radius-sm); }
}

@media (max-width: 480px) {
    .top-nav-brand { font-size: 14px; }
    .avatar-dropdown { min-width: 140px; }
}