/* =========================================
   Global Variables & Reset
   ========================================= */
:root {
    --bg: #f8fafc; --card: #ffffff; --text: #0f172a; --sub: #64748b;
    --border: #e2e8f0; --primary: #3b82f6; --hover: #f1f5f9;
    --allow: #15803d; --deny: #b91c1c; --block: #64748b;
    --tag-bg: #f1f5f9; --tag-text: #475569;
    --panel-bg: #f8fafc; --panel-border: #e2e8f0; --panel-text: #334155;
    --danger: #ef4444; --success: #10b981;
}
html.dark {
    --bg: #0f172a; --card: #1e293b; --text: #f1f5f9; --sub: #94a3b8;
    --border: #334155; --primary: #60a5fa; --hover: #334155;
    --allow: #4ade80; --deny: #f87171; --block: #94a3b8;
    --tag-bg: #334155; --tag-text: #cbd5e1;
    --panel-bg: #1e293b; --panel-border: #334155; --panel-text: #cbd5e1;
    --danger: #f87171; --success: #34d399;
}
body { background: var(--bg); color: var(--text); font-family: -apple-system, sans-serif; margin: 0; padding: 24px 20px; transition: background 0.3s; }

/* =========================================
   Login Card
   ========================================= */
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; padding: 0; }
.login-card { background: var(--card); padding: 40px; border-radius: 12px; box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1); width: 320px; border: 1px solid var(--border); }
.login-card h2 { margin: 0 0 24px; font-size: 1.25rem; text-align: center; color: var(--text); font-weight: 600; }
.login-card input { width: 100%; padding: 12px; margin-bottom: 16px; border: 1px solid var(--border); border-radius: 6px; box-sizing: border-box; outline: none; background: var(--bg); color: var(--text); }
.login-card input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1); }
.login-card button { width: 100%; padding: 12px; background: var(--primary); color: white; border: none; border-radius: 6px; cursor: pointer; font-weight: 500; }
.login-card button:hover { opacity: 0.9; }
.login-card button:disabled { background: var(--sub); cursor: not-allowed; }
.login-err { color: var(--danger); font-size: 0.85rem; text-align: center; margin-bottom: 16px; line-height: 1.4; }
.login-footer { text-align: center; margin-top: 24px; font-size: 0.75rem; color: var(--sub); }

/* =========================================
   Main Container & Header (Unified)
   ========================================= */
.container { max-width: 1000px; margin: 0 auto; background: var(--card); border-radius: 12px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); overflow: hidden; border: 1px solid var(--border); width: 100%; }

.header { padding: 20px 32px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.title h1 { margin: 0; font-size: 1.25rem; font-weight: 700; color: var(--text); }
.title .meta { font-size: 0.85rem; color: var(--sub); margin-top: 4px; }
.badge-adm { background: #475569; color: white; padding: 2px 6px; border-radius: 4px; font-size: 0.7rem; font-weight: 600; }

.actions button, .actions a { background: transparent; border: 1px solid var(--border); color: var(--sub); padding: 0 12px; height: 34px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; text-decoration: none; margin-left: 8px; font-size: 0.85rem; transition: all 0.2s; font-weight: 500; }
.actions button:hover, .actions a:hover { background: var(--hover); color: var(--text); border-color: var(--sub); }

/* =========================================
   Diagnostic Panel (Index only)
   ========================================= */
.diag-panel { background: var(--panel-bg); border-bottom: 1px solid var(--panel-border); padding: 16px 32px; color: var(--panel-text); font-size: 0.9rem; }
.diag-header { font-weight: 600; font-size: 0.85rem; margin-bottom: 12px; color: var(--text); display: flex; align-items: center; }
.diag-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.sim-select { padding: 8px 12px; border-radius: 6px; border: 1px solid var(--border); outline: none; min-width: 160px; font-size: 0.85rem; background: var(--card); color: var(--text); cursor: pointer; }
.opt-group { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.opt-label { display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; font-size: 0.85rem; color: var(--panel-text); }
.opt-label input { accent-color: var(--primary); width: 16px; height: 16px; margin: 0; cursor: pointer; }

/* =========================================
   Search & List (Index only)
   ========================================= */
.search-box { padding: 16px 32px 8px; }
.search-input { width: 100%; padding: 10px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); outline: none; box-sizing: border-box; font-size: 0.9rem; }
.search-input:focus { border-color: var(--primary); }

.list { width: 100%; border-collapse: collapse; margin-bottom: 20px; table-layout: fixed; }
.list th { text-align: left; padding: 14px 32px; font-size: 0.75rem; color: var(--sub); font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
.list td { padding: 10px 20px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.row:hover td { background: var(--hover); }

.name-col { display: flex; align-items: center; overflow: hidden; }
.icon { width: 24px; height: 24px; margin-right: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.icon img { width: 100%; height: 100%; object-fit: contain; }
.dir-icon::before { content: '📁'; font-size: 1.2rem; }
.row.open .dir-icon::before { content: '📂'; }

.link { text-decoration: none; color: var(--text); font-weight: 500; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.link:hover { color: var(--primary); }

.desc-wrapper { display: flex; flex-direction: column; gap: 4px; justify-content: center; }
.desc-text { color: var(--sub); font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.status-pill { display: inline-flex; align-items: center; gap: 4px; font-size: 0.75rem; font-weight: 600; }
.st-allow { color: var(--allow); } .st-allow::before { content: '●'; }
.st-deny { color: var(--deny); } .st-deny::before { content: '●'; }
.st-block { color: var(--block); } .st-block::before { content: '●'; }

.acl-tag { font-family: monospace; font-size: 0.7rem; color: var(--tag-text); background: var(--tag-bg); padding: 1px 6px; border-radius: 4px; align-self: flex-start; border: 1px solid transparent; }
.sub-rows { display: none; }
.row.open + .sub-rows { display: table-row; }
.empty { text-align: center; padding: 40px; color: var(--sub); font-size: 0.9rem; }
.th-name { width: 55%; padding-left: 32px !important; }
.th-type { width: 10%; }
.th-desc { width: 35%; padding-right: 32px !important; }

/* =========================================
   Admin Panel Specifics
   ========================================= */
.admin-body { padding: 32px; }
.form-box { background: var(--hover); padding: 24px; border-radius: 8px; margin-bottom: 32px; border: 1px solid var(--border); }
.form-title { font-weight: 600; margin-bottom: 20px; font-size: 1.1rem; color: var(--text); display: flex; align-items: center; gap: 8px; }
.form-row { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.input-group { flex: 1; min-width: 220px; position: relative; }
.input-group label { display: block; font-size: 0.85rem; color: var(--sub); margin-bottom: 6px; font-weight: 500; }
.input-group input { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); color: var(--text); box-sizing: border-box; font-size: 0.95rem; }

/* 密码工具栏（眼睛+复制） */
.pass-tools { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.tool-btn {
    background: var(--card); border: 1px solid var(--border); border-radius: 4px; 
    cursor: pointer; color: var(--sub); width: 30px; height: 30px;
    font-size: 0.9rem; transition: all 0.2s; display: inline-flex; align-items: center; justify-content: center;
}
.tool-btn:hover { color: var(--primary); border-color: var(--primary); background: var(--hover); }
.pass-mask { font-family: 'Courier New', monospace; letter-spacing: 1px; color: var(--text); font-weight: 600; display: inline-block; min-width: 80px;}

.input-eye { position: absolute; right: 10px; top: 36px; cursor: pointer; opacity: 0.5; background: transparent; border: none; font-size: 1.1rem; padding: 0; }
.input-eye:hover { opacity: 1; color: var(--primary); }

.check-group { display: flex; align-items: center; gap: 8px; padding-top: 28px; cursor: pointer; user-select: none; color: var(--text); font-size: 0.95rem;}
.btn { padding: 10px 24px; border-radius: 6px; border: none; font-weight: 500; cursor: pointer; color: white; font-size: 0.9rem; transition: opacity 0.2s; }
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--primary); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; margin-left: 4px; }

.badge { font-size: 0.75rem; padding: 4px 10px; border-radius: 20px; background: var(--sub); color: white; font-weight: 600; }
.badge.admin { background: var(--primary); }
.msg { margin-bottom: 20px; padding: 12px; border-radius: 6px; font-size: 0.95rem; text-align: center; font-weight: 500; }
.err { color: var(--danger); background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); } 
.suc { color: var(--success); background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); }

/* 🌟 美化后的用户表格 */
.admin-table { width: 100%; border-collapse: separate; border-spacing: 0; table-layout: fixed; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.admin-table th { background: var(--hover); color: var(--sub); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 16px 24px; text-align: left; border-bottom: 1px solid var(--border); font-weight: 600; }
.admin-table td { padding: 16px 24px; border-bottom: 1px solid var(--border); vertical-align: middle; font-size: 0.95rem; color: var(--text); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--hover); }

/* 列宽定义 */
.col-u-user { width: 25%; }
.col-u-pass { width: 40%; }
.col-u-role { width: 15%; text-align: center; }
.col-u-act  { width: 20%; text-align: right; }

@media (max-width: 700px) { 
    .container { border-radius: 0; border: none; }
    .th-type, .th-desc, .col-type, .col-desc { display: none; } 
    .th-name { width: 100%; } 
    .col-u-role { display: none; } /* 移动端隐藏角色列 */
    .col-u-user { width: 30%; }
    .col-u-pass { width: 40%; }
    .col-u-act { width: 30%; }
    .pass-tools { flex-direction: column; gap: 2px; }
    .tool-btn { width: 24px; height: 24px; }
}