/* ===================== 后台管理样式 ===================== */
:root {
    --primary: #00a86b;
    --primary-dark: #008f5b;
    --sidebar: #1c2b25;
    --text: #333;
    --border: #e5e9e7;
    --bg: #f4f6f5;
    --danger: #e02424;
}

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- 登录页 ---------- */
.login-body {
    min-height: 100vh;
    background: linear-gradient(120deg, #0f2b21, #008f5b);
    display: flex; align-items: center; justify-content: center;
}
.login-card {
    width: 400px; background: #fff; border-radius: 14px; padding: 44px 42px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
}
.login-card .brand { text-align: center; margin-bottom: 28px; }
.login-card .brand .icon { font-size: 42px; }
.login-card .brand h1 { font-size: 22px; color: #14332a; margin-top: 8px; }
.login-card .brand p { color: #999; font-size: 13px; margin-top: 4px; }
.login-card .form-group { margin-bottom: 18px; }
.login-card label { display: block; font-size: 14px; margin-bottom: 6px; color: #555; }
.login-card input[type=text], .login-card input[type=password] {
    width: 100%; height: 44px; border: 1px solid var(--border); border-radius: 8px;
    padding: 0 14px; font-size: 15px; outline: none; transition: border .2s;
}
.login-card input:focus { border-color: var(--primary); }
.login-btn {
    width: 100%; height: 46px; border: none; border-radius: 8px; cursor: pointer;
    background: var(--primary); color: #fff; font-size: 16px; letter-spacing: 4px;
    transition: background .2s;
}
.login-btn:hover { background: var(--primary-dark); }
.login-tip { margin-top: 16px; text-align: center; font-size: 12px; color: #aaa; }

.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert.error { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c0; }
.alert.success { background: #e6f7ef; color: #008f5b; border: 1px solid #b7e6cf; }

/* ---------- 布局 ---------- */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 220px; background: var(--sidebar); color: rgba(255, 255, 255, .8);
    flex-shrink: 0; display: flex; flex-direction: column;
}
.sidebar .brand {
    padding: 22px 20px; font-size: 17px; color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.sidebar .brand span { display: block; font-size: 11px; color: rgba(255,255,255,.45); margin-top: 3px; }
.sidebar nav { flex: 1; padding: 14px 0; }
.sidebar nav a {
    display: flex; align-items: center; gap: 10px; padding: 13px 22px; font-size: 14px;
    transition: background .2s, color .2s;
}
.sidebar nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
    height: 60px; background: #fff; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; padding: 0 26px;
}
.topbar .page-title { font-size: 16px; font-weight: 600; color: #14332a; }
.topbar .user { font-size: 14px; color: #666; display: flex; align-items: center; gap: 16px; }
.topbar .user a { color: var(--primary); }
.topbar .user a:hover { text-decoration: underline; }
.topbar .logout-btn {
    border: 1px solid var(--danger); color: var(--danger); background: #fff;
    padding: 6px 16px; border-radius: 6px; font-size: 13px; cursor: pointer;
}
.topbar .logout-btn:hover { background: var(--danger); color: #fff; }

.content { padding: 26px; flex: 1; }

/* ---------- 面板 / 表格 ---------- */
.panel { background: #fff; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,.04); padding: 24px; margin-bottom: 24px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.panel-head h2 { font-size: 17px; color: #14332a; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.table th { background: #f8faf9; color: #555; font-weight: 600; white-space: nowrap; }
.table tr:hover td { background: #fafcfb; }
.table .thumb { width: 96px; height: 56px; object-fit: cover; border-radius: 6px; }
.table .actions { white-space: nowrap; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; }
.tag.green { background: #e6f7ef; color: #008f5b; }
.tag.gray { background: #eee; color: #888; }
.tag.red { background: #fdecea; color: var(--danger); }

.btn {
    display: inline-block; padding: 7px 18px; border-radius: 6px; border: none; cursor: pointer;
    background: var(--primary); color: #fff; font-size: 13px; transition: background .2s;
}
.btn:hover { background: var(--primary-dark); }
.btn.sm { padding: 5px 12px; font-size: 12px; }
.btn.gray { background: #8a9a93; }
.btn.gray:hover { background: #71827b; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b91c1c; }
.btn.outline { background: #fff; border: 1px solid var(--primary); color: var(--primary); }
.btn.outline:hover { background: var(--primary); color: #fff; }

/* ---------- 统计卡片 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-bottom: 24px; }
.stat-card {
    background: #fff; border-radius: 10px; padding: 22px 18px; text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.stat-card .num { font-size: 30px; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: 13px; color: #888; margin-top: 6px; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 26px; }
.form-grid .full { grid-column: 1 / -1; }
.form-group label { display: block; font-size: 14px; margin-bottom: 6px; color: #555; }
.form-group .required::after { content: " *"; color: var(--danger); }
.form-group input[type=text], .form-group input[type=number], .form-group input[type=datetime-local],
.form-group select, .form-group textarea {
    width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px;
    font-size: 14px; outline: none; font-family: inherit; transition: border .2s; background: #fff;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group .hint { font-size: 12px; color: #999; margin-top: 5px; }
.form-actions { margin-top: 24px; display: flex; gap: 12px; }
.media-preview { margin-top: 8px; max-width: 260px; border-radius: 8px; }

/* ---------- 搜索 & 分页 ---------- */
.search-bar { display: flex; gap: 10px; align-items: center; }
.search-bar input {
    height: 36px; border: 1px solid var(--border); border-radius: 6px; padding: 0 12px; font-size: 14px; outline: none;
}
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.pagination a, .pagination span {
    min-width: 34px; height: 34px; padding: 0 10px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: 6px; font-size: 13px; color: #555; background: #fff;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

@media (max-width: 1200px) { .stat-grid { grid-template-columns: repeat(3, 1fr); } }