/* ============ 后台通用：顶栏/卡片/弹窗/toast/历史列表/chip/登录卡 ============ */

/* ---- 顶栏 ---- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:10px;height:58px;padding:0 20px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:.5px}
.brand-mark{width:26px;height:26px;border-radius:7px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-kai);font-size:15px}
.brand .brand-class{font-size:12px;color:var(--muted);font-weight:400;margin-left:2px}
.topbar .spacer{flex:1}
.tb-select,.tb-btn{height:34px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink-2);font-size:13px;padding:0 12px;transition:all .15s}
.tb-btn:hover{border-color:var(--accent);color:var(--accent)}
.tb-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.tb-btn.primary:hover{background:var(--accent-deep);color:#fff}
.tb-btn.ghost-danger:hover{border-color:var(--danger);color:var(--danger)}
.tb-btn:disabled{opacity:.55;cursor:not-allowed}
.save-hint{font-size:12px;color:var(--muted);min-width:110px;text-align:right}

/* ---- 主布局（编辑器左右分栏） ---- */
.main{display:flex;height:calc(100vh - 58px);overflow:hidden}
.editor-col{flex:1;overflow-y:auto;padding:22px 26px 60px}
.preview-col{width:480px;flex-shrink:0;border-left:1px solid var(--line);background:#e7e1d3;display:flex;flex-direction:column;overflow:hidden}
.preview-head{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;font-size:12px;color:var(--muted);letter-spacing:1px}
.preview-stage{flex:1;overflow:auto;padding:6px 16px 30px;display:flex;justify-content:center}
.overflow-warn{display:none;margin:10px 16px 0;padding:9px 14px;border-radius:8px;background:#fdeceb;border:1px solid #f3c2bd;color:#a53520;font-size:13px;line-height:1.5}
.overflow-warn.show{display:block}

/* ---- 卡片与表单 ---- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);margin-bottom:16px}
.panel-head{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px dashed var(--line)}
.panel-head .sec-num{width:24px;height:24px;border-radius:6px;background:var(--ink);color:#f6f1e7;font-size:12px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;flex-shrink:0}
.panel-head .sec-title-input{flex:1;border:none;outline:none;font-size:15px;font-weight:700;color:var(--ink);background:transparent;font-family:inherit;min-width:0}
.panel-act{display:flex;gap:4px}
.icon-btn{width:28px;height:28px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);font-size:13px;display:flex;align-items:center;justify-content:center;transition:all .15s}
.icon-btn:hover{background:var(--bg);color:var(--ink)}
.icon-btn.on{color:var(--accent)}
.panel-body{padding:6px 18px 16px}
.sec-content{min-height:88px;outline:none;font-size:14px;line-height:1.9;color:var(--ink-2);padding:6px 8px;border-radius:6px;transition:background .15s;word-break:break-word}
.sec-content:hover{background:#faf7f0}
.sec-content:focus{background:#faf7f0;box-shadow:inset 0 0 0 1.5px var(--gold)}
.sec-content:empty:before{content:attr(data-ph);color:#c2b8a8;pointer-events:none}
.sec-content ul{padding-left:20px}
.sec-content ol{padding-left:22px}
.sec-content p{margin:2px 0}
.mini-toolbar{display:flex;gap:2px;margin-bottom:4px;opacity:.35;transition:opacity .15s}
.panel:hover .mini-toolbar{opacity:1}
.mini-toolbar button{height:24px;min-width:26px;padding:0 7px;font-size:12px;border:1px solid var(--line);background:#fff;border-radius:6px;color:var(--ink-2)}
.mini-toolbar button:hover{border-color:var(--gold);color:var(--ink)}
.panel.hidden-sec{opacity:.45}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:16px 18px}
.meta-grid.cols-3{grid-template-columns:1fr 1fr 1fr}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;letter-spacing:.5px}
.field input[type=text],.field input[type=number],.field input[type=password]{width:100%;height:36px;border:1px solid var(--line);border-radius:8px;padding:0 12px;font-size:14px;color:var(--ink);outline:none;transition:border .15s}
.field input:focus{border-color:var(--gold)}
.logo-row{display:flex;align-items:center;gap:12px;padding:0 18px 16px}
.logo-preview{width:44px;height:44px;border-radius:50%;border:2px solid var(--line);background:var(--gold-soft);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted);overflow:hidden;flex-shrink:0}
.logo-preview img{width:100%;height:100%;object-fit:cover}
.logo-hint{font-size:12px;color:var(--muted)}

/* ---- 历史列表 ---- */
.list-wrap{max-width:860px;margin:26px auto;padding:0 20px}
.list-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:10px 22px}
.history-item{display:flex;align-items:center;gap:12px;padding:14px 4px;border-bottom:1px dashed var(--line)}
.history-item:last-child{border-bottom:none}
.hi-issue{width:52px;height:34px;border-radius:8px;background:var(--accent-soft);color:var(--accent-deep);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-variant-numeric:tabular-nums}
.hi-main{flex:1;min-width:0}
.hi-title{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hi-meta{font-size:12px;color:var(--muted);margin-top:2px}
.chip{font-size:11px;padding:2px 9px;border-radius:99px;flex-shrink:0}
.chip.pub{background:#e6efe8;color:var(--ok)}
.chip.draft{background:var(--gold-soft);color:#8a6a20}
.hi-acts{display:flex;gap:6px;flex-shrink:0}
.hi-acts button{height:28px;padding:0 11px;font-size:12px;border-radius:7px;border:1px solid var(--line);background:#fff;color:var(--ink-2)}
.hi-acts button:hover{border-color:var(--accent);color:var(--accent)}
.hi-acts button.del:hover{border-color:var(--danger);color:var(--danger)}
.empty-list{padding:40px 0;text-align:center;color:var(--muted);font-size:14px}

/* ---- 登录页 ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:min(380px,94vw);background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-2);padding:34px 32px 30px;text-align:center}
.login-mark{width:52px;height:52px;border-radius:14px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-kai);font-size:26px;margin:0 auto 14px}
.login-card h1{font-size:19px;letter-spacing:1px;margin-bottom:4px}
.login-card .login-sub{font-size:12px;color:var(--muted);margin-bottom:22px}
.login-card .field{margin-bottom:14px;text-align:left}
.login-card .field label{margin-bottom:6px}
.login-btn{width:100%;height:40px;border:none;border-radius:9px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;margin-top:6px;transition:background .15s}
.login-btn:hover{background:var(--accent-deep)}
.login-btn:disabled{opacity:.6;cursor:not-allowed}
.login-tip{margin-top:14px;font-size:12px;color:var(--muted)}

/* ---- 弹窗 ---- */
.modal-mask{position:fixed;inset:0;z-index:100;background:rgba(43,37,35,.45);display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:14px;width:min(560px,94vw);max-height:82vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden;animation:pop .18s ease-out}
@keyframes pop{from{transform:translateY(10px) scale(.98);opacity:0}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);font-weight:700;font-size:15px}
.modal-body{padding:16px 20px;overflow-y:auto;font-size:14px;line-height:1.7;color:var(--ink-2)}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
.modal-foot .tb-btn{height:36px}
.link-box{display:flex;gap:8px;margin-top:12px}
.link-box input{flex:1;height:36px;border:1px solid var(--line);border-radius:8px;padding:0 12px;font-size:13px;color:var(--ink-2);outline:none}

/* ---- toast ---- */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#f6f1e7;padding:10px 22px;border-radius:99px;font-size:13px;opacity:0;pointer-events:none;transition:all .25s;z-index:200;box-shadow:var(--shadow-2);max-width:86vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}