/* 工作台 · 现代 SaaS 风格样式（无外部资源，CSP 兼容） */
:root{
  --bg:#f5f6fb; --panel:#fff; --line:#e7eaf3; --line-soft:#eef1f7; --ink:#111827; --muted:#6b7280;
  --brand:#4f46e5; --brand-d:#4338ca; --brand-t:#eef2ff; --brand-grad:linear-gradient(135deg,#4f46e5,#7c3aed);
  --ok:#059669; --warn:#d97706; --err:#dc2626; --draft:#b45309; --posted:#15803d;
  --r-lg:14px; --r-md:10px; --r-sm:8px;
  --sh-sm:0 1px 2px rgba(17,24,39,.05);
  --sh-md:0 1px 2px rgba(17,24,39,.05),0 8px 24px -12px rgba(17,24,39,.14);
  --side-w:232px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:14px/1.65 -apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink); -webkit-font-smoothing:antialiased;}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}

/* ===== 外壳：左侧栏 + 右主列 ===== */
.app-shell{display:flex; min-height:100vh}
.nav-switch{position:absolute;opacity:0;pointer-events:none}
.sidebar{width:var(--side-w);flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:30}
.brand{display:flex;align-items:center;gap:10px;padding:18px 20px 14px;font-weight:700;font-size:16px;letter-spacing:.5px}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand-grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 10px -2px rgba(79,70,229,.5)}
.brand-mark svg{width:17px;height:17px}
.mainnav{display:flex;flex-direction:column;gap:2px;padding:6px 12px;flex:1;overflow-y:auto}
.mainnav a{display:flex;align-items:center;gap:11px;color:#4b5563;padding:9px 12px;border-radius:var(--r-md);
  font-size:14px;text-decoration:none;transition:background .15s,color .15s}
.mainnav a:hover{background:#f3f4f8;color:var(--ink);text-decoration:none}
.mainnav a.active{background:var(--brand-t);color:var(--brand);font-weight:600}
.mainnav a.active .nav-ico{color:var(--brand)}
.nav-ico{width:19px;height:19px;flex-shrink:0;color:#9ca3af}
.side-foot{padding:14px 20px;color:#9ca3af;font-size:12px;border-top:1px solid var(--line-soft)}
.main-col{flex:1;min-width:0;display:flex;flex-direction:column;margin-left:var(--side-w)}
.scrim{display:none}

/* ===== 顶栏 ===== */
.topbar{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);padding:0 22px;height:58px;position:sticky;top:0;z-index:20}
.menu-toggle{display:none;width:36px;height:36px;border-radius:var(--r-sm);color:#4b5563;cursor:pointer;
  align-items:center;justify-content:center}
.menu-toggle svg{width:20px;height:20px}
.menu-toggle:hover{background:#f3f4f8}
.top-title{font-size:15px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.userbox{display:flex;align-items:center;gap:12px;font-size:13px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--brand-grad);color:#fff;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.userbox .uname{color:#374151}
.userbox .uname em.role{font-style:normal;color:var(--muted);margin-left:6px;font-size:12px;
  background:#f3f4f8;border-radius:99px;padding:1px 8px}
.userbox a{color:#6b7280;padding:4px 8px;border-radius:var(--r-sm)}
.userbox a:hover{color:var(--brand);background:var(--brand-t);text-decoration:none}

/* ===== 容器与面板 ===== */
.container{width:100%;max-width:1180px;margin:24px auto 0;padding:0 22px;flex:1}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.panel-title{font-size:17px;margin:0;font-weight:700;letter-spacing:.2px}
.panel-sub{font-size:15px;margin:0 0 12px;font-weight:600}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;margin-bottom:18px;
  box-shadow:var(--sh-sm)}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.actions a,.actions form{margin:0}
.period-switch{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap}
.period-switch .inline-form{display:inline-flex;gap:6px;align-items:center;margin:0}
.period-switch input[type=month]{padding:6px 8px;border:1px solid var(--border,#d5d9e4);border-radius:8px;font:inherit;background:#fff;color:inherit}

/* ===== 统计卡片 ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;position:relative;
  overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-1px)}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-grad);opacity:.85}
.card-num{font-size:26px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.card-lbl{color:var(--muted);font-size:13px;margin-top:4px}

/* ===== 表格 ===== */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:middle}
.table thead th{background:#fafbfe;color:#6b7280;font-weight:600;font-size:12px;letter-spacing:.04em;
  text-transform:none;border-bottom:1px solid var(--line);white-space:nowrap}
.table tbody tr{transition:background .12s}
.table tbody tr:hover{background:#f7f8fd}
.table tbody tr:last-child td{border-bottom:none}
.table tfoot th{background:#fafbfe;font-weight:600}
.ta-r{text-align:right;font-variant-numeric:tabular-nums}
.center{text-align:center}
.nowrap{white-space:nowrap}
.kv td{padding:9px 12px}
.kv .sum td{font-weight:600;background:#fafbfe}
.kv .total td{font-weight:700;color:var(--brand-d);font-size:15px}
.muted{color:var(--muted)}

/* ===== 表单 ===== */
label{display:block;margin-bottom:12px;font-size:13px;color:#374151;font-weight:500}
input[type=text],input[type=password],input[type=date],input[type=file],select{
  width:100%;padding:8px 12px;border:1px solid #d5dae6;border-radius:var(--r-md);font-size:14px;background:#fff;
  color:var(--ink);transition:border-color .15s,box-shadow .15s}
input::placeholder{color:#9ca3af}
input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.14)}
.form-narrow{max-width:460px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.filters input,.filters select{width:auto;min-width:120px}
.filters .btn{white-space:nowrap}
.inline{display:inline-flex;gap:8px;align-items:center}
.inline input{width:120px}
.hint{color:var(--muted);font-size:12px;margin:6px 0}
.hint.ok{color:var(--ok)} .hint.err{color:var(--err)}

/* ===== 按钮 ===== */
.btn{display:inline-block;padding:8px 15px;border:1px solid #d5dae6;border-radius:var(--r-md);background:#fff;
  color:#374151;font-size:14px;cursor:pointer;line-height:1.4;font-weight:500;
  transition:background .15s,border-color .15s,box-shadow .15s,transform .05s}
.btn:hover{background:#f6f7fb;border-color:#c3cad9;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 2px 8px -2px rgba(79,70,229,.55)}
.btn-primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn-block{width:100%;display:block}
.btn.danger{color:#fff;background:var(--err);border-color:var(--err)}
.btn.danger:hover{background:#b91c1c;border-color:#b91c1c}
.btn.busy{opacity:.65;cursor:progress;pointer-events:none}
.link-btn{background:none;border:none;color:var(--brand);cursor:pointer;padding:2px 4px;font-size:14px}
.link-btn:hover{text-decoration:underline}
.link-btn.danger{color:var(--err)}
.actions .link-btn{margin-left:8px}

/* ===== 标签 ===== */
.tag{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:500;border:1px solid transparent;white-space:nowrap}
.tag-draft{background:#fef3c7;color:var(--draft)}
.tag-posted{background:#d1fae5;color:var(--posted)}
.tag-off{background:#fee2e2;color:var(--err)}
.att-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:99px;background:#eef2ff;color:var(--brand);font-size:12px;font-weight:500}
.att-chip svg{width:13px;height:13px}
.att-chip:hover{background:#e0e7ff;text-decoration:none;color:var(--brand)}

/* ===== 提示 ===== */
.flashes{margin-bottom:16px}
.flash{padding:11px 15px;border-radius:var(--r-md);margin-bottom:8px;border:1px solid transparent;font-size:13px;
  box-shadow:var(--sh-sm)}
.flash-ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.flash-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.flash-warn{background:#fffbeb;border-color:#fde68a;color:#92400e}

/* ===== 分页 ===== */
.pager{margin-top:16px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.pager a{padding:4px 11px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:#4b5563}
.pager a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.pager .cur{padding:4px 11px;background:var(--brand);color:#fff;border-radius:var(--r-sm)}

/* ===== 凭证分录 / 附件 ===== */
.entries input.amt{text-align:right;font-variant-numeric:tabular-nums}
.entries select{min-width:200px}
.thumb{width:76px;height:56px;object-fit:cover;border-radius:var(--r-sm);border:1px solid var(--line);display:block;
  transition:box-shadow .15s,transform .15s}
.thumb:hover{box-shadow:var(--sh-md);transform:scale(1.04)}
.thumb-cell{width:88px}
.upload-form{margin-top:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.upload-form input[type=file]{width:auto}
.meta{display:flex;gap:10px 26px;flex-wrap:wrap;margin-bottom:12px;color:#4b5563;font-size:13px}

/* ===== 登录页 ===== */
.auth-body{background:
  radial-gradient(900px 500px at 12% 8%, rgba(99,102,241,.32), transparent 60%),
  radial-gradient(800px 520px at 88% 18%, rgba(124,58,237,.28), transparent 60%),
  radial-gradient(700px 600px at 55% 100%, rgba(34,211,238,.18), transparent 60%),
  #0b1020;}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{background:rgba(255,255,255,.97);border-radius:18px;padding:36px 32px;width:380px;
  box-shadow:0 24px 60px -18px rgba(3,7,18,.55);backdrop-filter:blur(6px)}
.auth-logo{width:46px;height:46px;border-radius:13px;background:var(--brand-grad);color:#fff;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px -4px rgba(79,70,229,.6)}
.auth-logo svg{width:24px;height:24px}
.auth-title{margin:0 0 4px;font-size:21px;text-align:center;font-weight:700;letter-spacing:.5px}
.auth-sub{margin:0 0 22px;color:var(--muted);text-align:center;font-size:13px}
.hp{position:absolute!important;width:1px;height:1px;left:-9999px;top:-9999px;opacity:0;pointer-events:none}
.cap-tip{display:flex;align-items:center;gap:10px;margin:2px 0 14px;font-size:12px;color:var(--muted)}
.cap-img{border:1px solid var(--line);border-radius:8px;background:#fff}
.auth-body .foot{color:rgba(226,232,240,.55)}

.foot{color:var(--muted);text-align:center;font-size:12px;padding:26px 0 34px}

/* ===== 响应式 ===== */
@media (max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .2s ease;box-shadow:0 0 40px rgba(3,7,18,.18)}
  .nav-switch:checked ~ .sidebar{transform:none}
  .nav-switch:checked ~ .scrim{display:block;position:fixed;inset:0;background:rgba(17,24,39,.4);z-index:25}
  .main-col{margin-left:0}
  .menu-toggle{display:inline-flex}
  .top-title{display:none}
  .userbox .uname{display:none}
}
@media (max-width:760px){
  .cards{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .container{padding:0 14px}
  .userbox a{padding:4px 6px}
}

/* ===== 智能录入 · 对话 ===== */
textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;color:var(--ink);background:#fff;box-sizing:border-box}
textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.chat-log{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow:auto;padding:6px 2px 12px}
.chat-msg{display:flex}
.msg-me{justify-content:flex-end}
.bubble{max-width:78%;padding:9px 14px;border-radius:14px;font-size:14px;line-height:1.6;white-space:normal}
.msg-ai .bubble{background:#f1f5fb;border:1px solid var(--line);border-top-left-radius:4px}
.msg-me .bubble{background:var(--brand);color:#fff;border-top-right-radius:4px}
.proposal-card{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:6px 0 14px;background:#fbfcfe}
.proposal-card .panel-sub{margin-top:0}
.chat-input{border-top:1px solid var(--line);padding-top:12px}