/* ── 全局 ─────────────────────────────────────────── */
:root {
    --bg: #f5f6fa;
    --card: #ffffff;
    --border: #e1e4ea;
    --text: #1a1d23;
    --text-muted: #6b7280;
    --primary: #4f46e5;
    --primary-light: #eef2ff;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --info: #3b82f6;
    --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

/* ── 导航 ─────────────────────────────────────────── */
.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-brand a { font-size: 18px; font-weight: 700; color: var(--text); text-decoration: none; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-link { padding: 6px 14px; border-radius: 6px; font-size: 14px; color: var(--text-muted); }
.nav-link:hover, .nav-link.active { background: var(--primary-light); color: var(--primary); text-decoration: none; }
.btn-new { background: var(--primary) !important; color: #fff !important; font-weight: 600; }
.btn-new:hover { background: #4338ca !important; text-decoration: none; }

/* ── 容器 ─────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* ── 卡片 ─────────────────────────────────────────── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

/* ── 看板 ─────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}
.stat-card .num { font-size: 32px; font-weight: 700; }
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stat-card.total .num { color: var(--primary); }
.stat-card.open .num { color: var(--info); }
.stat-card.in_progress .num { color: var(--warning); }
.stat-card.pending .num { color: #8b5cf6; }
.stat-card.resolved .num { color: var(--success); }
.stat-card.closed .num { color: #6b7280; }

h2.section-title { font-size: 16px; margin-bottom: 14px; color: var(--text-muted); }

/* ── 工单列表 ─────────────────────────────────────── */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
    align-items: center;
}
.filters label { font-size: 13px; color: var(--text-muted); }
.filters select, .filters input {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card);
}
.filters input { width: 180px; }
.filters form { display: inline-flex; align-items: center; gap: 6px; }

.ticket-table { width: 100%; border-collapse: collapse; }
.ticket-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}
.ticket-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.ticket-table tr:hover { background: #fafbff; }

/* ── 徽章 ─────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
}
.badge-open { background: #dbeafe; color: #1e40af; }
.badge-in_progress { background: #fef3c7; color: #92400e; }
.badge-pending { background: #ede9fe; color: #5b21b6; }
.badge-resolved { background: #d1fae5; color: #065f46; }
.badge-closed { background: #e5e7eb; color: #374151; }

.badge-urgent { background: #fee2e2; color: #991b1b; }
.badge-high { background: #ffedd5; color: #9a3412; }
.badge-medium { background: #fef3c7; color: #92400e; }
.badge-low { background: #dbeafe; color: #1e40af; }

.badge-bug { background: #fee2e2; color: #991b1b; }
.badge-feature { background: #dbeafe; color: #1e40af; }
.badge-consult { background: #d1fae5; color: #065f46; }
.badge-incident { background: #fef3c7; color: #92400e; }
.badge-other { background: #e5e7eb; color: #374151; }

/* ── 标签 ─────────────────────────────────────────── */
.tag {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 11px;
    background: #f0f0f0;
    color: #555;
    margin-right: 3px;
}

/* ── 表单 ─────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 14px; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }

.btn {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #4338ca; text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; text-decoration: none; }
.btn-secondary { background: #e5e7eb; color: #374151; }

/* ── 详情页 ───────────────────────────────────────── */
.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}
.detail-header h1 { font-size: 22px; }
.detail-meta { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.detail-grid { display: grid; grid-template-columns: 1fr 280px; gap: 20px; }
.detail-grid > div:first-child { min-width: 0; }
.comment-list { margin-top: 8px; }
.comment {
    border-left: 3px solid var(--primary);
    padding: 10px 14px;
    margin-bottom: 12px;
    background: var(--primary-light);
    border-radius: 4px;
}
.comment .author { font-weight: 600; font-size: 13px; }
.comment .time { font-size: 12px; color: var(--text-muted); margin-left: 8px; }
.comment .content { margin-top: 4px; white-space: pre-wrap; }
.sidebar .card { margin-bottom: 14px; }

/* ── 通知角标 ───────────────────────────────────────── */
.notif-link { position: relative; }
.notif-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}
.user-info {
    font-size: 14px;
    padding: 6px 12px;
    color: var(--text);
    font-weight: 600;
}

/* ── 登录页 ─────────────────────────────────────────── */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}
.auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.auth-card h1 { text-align: center; margin-bottom: 24px; font-size: 22px; }
.auth-card .error {
    background: #fee2e2;
    color: #991b1b;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 14px;
}
.auth-link { text-align: center; margin-top: 16px; font-size: 14px; color: var(--text-muted); }

/* ── 通知列表 ───────────────────────────────────────── */
.notif-item {
    padding: 12px 16px;
    border-left: 3px solid var(--primary);
    background: var(--primary-light);
    border-radius: 4px;
    margin-bottom: 10px;
}
.notif-item.unread { border-left-color: var(--danger); background: #fef2f2; }
.notif-item .notif-title { font-weight: 600; font-size: 14px; }
.notif-item .notif-content { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.notif-item .notif-time { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── 通用表单下拉优化 ─────────────────────────────── */
.form-row-select { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }

/* ── 附件上传区 ─────────────────────────────────── */
.attachment-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: #fafbff;
    margin-top: 12px;
}
.attachment-zone:hover,
.attachment-zone.drag-over {
    border-color: var(--primary);
    background: var(--primary-light);
}
.attachment-zone .az-label { color: var(--text-muted); font-size: 14px; }
.attachment-zone .az-hint { color: var(--text-muted); font-size: 12px; margin-top: 4px; }
.attachment-zone input[type="file"] { display: none; }

/* 附件列表 */
.attachment-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.attachment-item {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px;
    max-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.attachment-item .att-thumb {
    width: 100%;
    max-height: 150px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
}
.attachment-item .att-info {
    font-size: 12px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.attachment-item .att-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}
.attachment-item:hover .att-delete { opacity: 1; }
.attachment-item .att-link { font-size: 13px; word-break: break-all; }
.attachment-item .att-icon {
    font-size: 32px;
    text-align: center;
    padding: 8px 0;
}

/* 图片预览模态框 */
.image-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.image-modal.show { display: flex; }
.image-modal img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

/* 上传进度条 */
.upload-progress {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
    display: none;
}
.upload-progress.active { display: block; }
.upload-progress-bar {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s;
}

/* ── 富文本编辑器 ─────────────────────────────────── */
.rich-editor {
    min-height: 100px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card);
    outline: none;
    overflow-y: auto;
    max-height: 300px;
    line-height: 1.6;
}
.rich-editor:focus { border-color: var(--primary); }
.rich-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
}
.rich-toolbar {
    display: flex;
    gap: 4px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.rich-toolbar button {
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--card);
    cursor: pointer;
    font-size: 13px;
}
.rich-toolbar button:hover { background: var(--primary-light); border-color: var(--primary); }
.inline-image { max-width: 100%; max-height: 300px; border-radius: 4px; margin: 4px 0; }

/* ── 抄送人选择器 ─────────────────────────────────── */
.cc-select-wrap { position: relative; }
.cc-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 38px;
    flex-wrap: wrap;
}
.cc-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.cc-chip .chip-x {
    cursor: pointer;
    font-weight: 700;
    color: var(--primary);
}
.cc-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.cc-dropdown.show { display: block; }
.cc-option {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cc-option:hover { background: var(--primary-light); }
.cc-option.selected { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.cc-option .check { font-weight: 700; }
.cc-placeholder { color: var(--text-muted); font-size: 13px; padding: 8px 12px; }
.footer { text-align: center; padding: 20px; color: var(--text-muted); font-size: 12px; }