/* 明账：纸色底、清晰的单据清单，颜色只用于操作和状态。 */
:root{
  --canvas:#f2eee7;
  --surface:#fffdf8;
  --ink:#1d302b;
  --muted:#5d6c65;
  --accent:#176b5b;
  --accent-hover:#0e5548;
  --soft:#e7f0eb;
  --line:#d9d2c8;
  --danger:#b44d3d;
  --danger-soft:#fff0eb;
  --clay:#c56a4f;
  --clay-soft:#f9e8df;
  --shadow:0 12px 32px rgba(45,54,48,.08);
  --shadow-strong:0 24px 70px rgba(29,48,43,.2);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --dur-fast:120ms;
  --dur-base:180ms;
}

@media screen{
  body{background:var(--canvas);color:var(--ink)}
  .app-header{background:var(--surface);border-bottom-color:#d8d1c7;box-shadow:none}
  .brand{color:var(--ink);letter-spacing:1.5px}
  .brand-mark{background:var(--accent);border-radius:10px}
  .brand-mark i{background:#f9f3e9}
  .save-status{color:var(--accent)}
  .status-dot{background:#4d9a7b}
  .button{border-radius:6px;transition:background 120ms ease,border-color 120ms ease,color 120ms ease}
  .primary{background:var(--accent);border-color:var(--accent);box-shadow:none}
  .primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:none}
  .secondary{background:var(--surface);border-color:#cfc7bc}
  .secondary:hover:not(:disabled){background:#f4eee5;border-color:#b9aea1}
  .quiet:hover,.icon-button:hover{background:#ebe5dc;color:var(--ink)}
  .icon-button{border-radius:10px}
  .app-main{padding-top:34px}
  .eyebrow{color:#7b7369;letter-spacing:1.1px}
  .tiny-rule{background:var(--clay)}
  h1{color:var(--ink);letter-spacing:.5px}
  .records-panel{background:var(--surface);border-color:#d8d0c5;box-shadow:var(--shadow)}
  .count{background:var(--soft);color:var(--accent)}
  .record-item{background:transparent;border-color:#e0d9cf}
  .record-item:hover{background:#f7f1e8;border-color:#b9c9bf}
  .record-sum{color:var(--accent)}
  .search-box{background:#fbf8f2;border-color:#d7d0c6}
  .storage-note{background:#f4efe7}
  .paper-canvas{background:#e5e7df;border-color:#d5d7ce}
  .preview-label>span[data-icon]{color:var(--clay)}
  .print-settings-button{border:1px solid #d0c8bd;border-radius:9px}
  .mobile-tabs{border-bottom-color:#d6cec3}
  .mobile-tabs button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}
  .mobile-tabs .mobile-column-trigger{color:var(--accent)}
  .mobile-actionbar{background:var(--surface);border-top-color:#d7d0c7;backdrop-filter:none}
  .notice{background:var(--danger-soft);border-color:#edc8bd;color:#8c3e32}
  .toast{background:var(--ink);box-shadow:0 10px 28px rgba(29,48,43,.22)}
  .modal-toast{margin:12px 16px 0;padding:10px 12px;border-radius:9px;background:var(--ink);color:#fff;font-size:14px;line-height:1.5;overflow-wrap:anywhere}
  .update-notice{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:16px;padding:12px 16px;border:1px solid #bfd4c8;border-radius:10px;background:var(--soft);font-size:14px;line-height:1.5}
  .app-version{display:inline-block;margin-left:6px;color:var(--muted);font-size:11px}

  .modal{background:var(--surface);border-color:#d7cfc3;box-shadow:var(--shadow-strong)}
  .modal::backdrop{background:rgba(29,48,43,.48);backdrop-filter:none}
  .modal-head{background:var(--surface);border-bottom-color:#e2dcd3;padding-top:24px}
  .modal-head h2{letter-spacing:.1px}
  .modal-head p{color:#737c76}
  .modal-body{background:#fffdf8}
  .modal-foot{background:var(--surface);border-top-color:#e2dcd3}
  .field>label,.field-label{color:#27443b}
  .field input,.field textarea,.field select,.column-name-input{background:#fffefa;border-color:#cfc8bd;border-radius:10px;color:var(--ink);transition:border-color 140ms ease,box-shadow 140ms ease,background 140ms ease}
  .field input:hover,.field textarea:hover,.field select:hover{border-color:#aaa095;background:#fffdf8}
  .field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(23,107,91,.12);outline:none}
  .field textarea::placeholder,.field input::placeholder{color:#9a958d}
  .expense-field{border-top:1px solid #e2dad0;border-radius:0;padding:7px 0 0;margin-top:7px;background:transparent}
  .expense-field:first-of-type{margin-top:0}
  .expense-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}
  .expense-field h3{color:var(--ink);font-size:15px;font-weight:700;margin:0;line-height:1.3}
  .expense-inputs{gap:12px;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
  .expense-inputs .field{min-width:0;gap:6px}
  .expense-inputs .field>label{color:#7b7167}
  .note-field textarea{text-align:left}
  .amount-field{background:transparent;padding:0}
  .amount-field .amount-wrap input{font-weight:600;color:#195c4e}
  .amount-field .currency{color:var(--accent);font-weight:700}
  .modal[data-kind=editor] .field{margin-bottom:7px}
  .modal[data-kind=editor] .field>label{font-size:12px;font-weight:600;color:#7b7167}
  .modal[data-kind=editor] .expense-inputs .field{margin-bottom:0}
  .modal-head-side{display:flex;align-items:center;gap:4px;flex-shrink:0}
  .editor-total-badge{display:flex;align-items:baseline;gap:6px;background:var(--soft);border-radius:999px;padding:5px 13px;white-space:nowrap}
  .editor-total-badge span{font-size:11px;color:#716b63}
  .editor-total-badge strong{color:var(--accent);font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}
  .editor-foot .danger{background:var(--danger-soft);color:var(--danger)}
  .editor-foot .danger:hover:not(:disabled){background:#fbe1d9}
  .editor-foot .danger{width:auto;min-width:72px;gap:4px;flex-shrink:0}
  /* 编辑器：合计与真实保存状态同一行，操作按钮另起一行；金额错误就在对应输入框下方。 */
  .modal-foot.editor-foot{display:block;padding-top:12px}
  .editor-status{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
  .editor-total-badge{flex-wrap:wrap}
  .editor-total-badge em{font-style:normal;font-size:11px;color:#8a6414}
  .editor-save-status{font-size:12px;line-height:1.5;color:var(--muted)}
  .editor-save-status[data-tone=warn]{color:#8a6414}
  .editor-save-status[data-tone=error]{color:var(--danger)}
  .editor-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}
  .editor-delete-confirm{margin-bottom:12px;padding:12px;border:1px solid #edc8bd;border-radius:10px;background:var(--danger-soft);font-size:14px;line-height:1.5}
  .delete-confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:10px}
  .delete-confirm-actions .button{min-height:44px}
  .note-expand{align-self:flex-start;min-height:0;padding:0;font-size:12px;line-height:1.5}
  .amount-field .field-error{margin-top:5px;font-size:12px;line-height:1.45}
  .amount-field input[aria-invalid=true]{border-color:var(--danger);background:#fdf3ef}
  .modal[data-kind=editor] .amount-field .amount-wrap input[aria-invalid=true]:focus{border-color:var(--danger);outline-color:var(--danger)}
  .tip{background:#f1f5f1;color:#65756e}
  .add-column-form{background:#faf7f1;border-color:#cbbeb0}
  .preset-chips button{background:#fffdf9;border-color:#d5ccc0}
  .preset-chips button:hover{border-color:var(--accent);color:var(--accent);background:#eef6f1}
  .export-option{background:#fffefa;border-color:#ddd5cb}
  .export-option:hover{border-color:#b1c7ba;background:#f4f8f4}
  .option-icon{background:#e7f0eb;color:var(--accent)}
  .checkbox-field input{accent-color:var(--accent)}
  .print-expense-note+.print-expense-amount{border-top:1px dashed #cbbfb3;padding-top:4px}
}

@media screen and (max-width:900px){
  .app-header{box-shadow:none}
  .app-main{padding-top:14px;padding-inline:16px}
  .page-heading{margin-bottom:4px}
  .title-line h1{font-weight:700}
  .records-panel{background:transparent;border:0;border-radius:0;box-shadow:none;padding:0}
  .panel-heading{border-bottom-color:#e0d9d0}
  .count{background:transparent;color:var(--muted)}
  .search-box input::placeholder{color:var(--muted);opacity:1}
  .record-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:16px 0;margin:0}
  .record-item:last-child{border-bottom:1px solid var(--line)}
  .record-detail{color:var(--muted)}
  .mobile-actionbar{padding-inline:16px;box-shadow:none}
  .modal[data-kind=editor]{background:#f4efe7}
  .modal[data-kind=editor] .modal-head{background:#fffdf8}
  .modal[data-kind=editor] .modal-body{padding:8px 12px 12px;background:#fffdf8}
  .modal[data-kind=editor] .modal-foot{background:#fffdf8}
  .expense-field{padding:6px 0 0;margin-top:6px;border-radius:0;background:transparent}
  .expense-field:first-of-type{margin-top:0}
  .expense-heading{margin-bottom:3px}
  .expense-field h3{font-size:15px}
  .expense-inputs{gap:12px}
  .editor-total-badge{padding:4px 10px;gap:5px}
  .editor-total-badge strong{font-size:15px}
}

@media screen and (max-width:520px){
  .expense-heading{align-items:flex-start}
}

/* Stability pass: the editor keeps its own scroll area and its fields keep a predictable rhythm. */
@media screen and (min-width:901px){
  .records-panel{position:sticky;top:18px}
}

@media screen{
  .modal[data-kind=editor]{overscroll-behavior:contain}
  .modal[data-kind=editor] .modal-body{overscroll-behavior:contain}
  .modal[data-kind=editor] .modal-body{max-width:630px;margin-inline:auto}
  .modal[data-kind=editor] .field input{
    --editor-field-height:48px;
    height:var(--editor-field-height);
    min-height:var(--editor-field-height);
    max-height:var(--editor-field-height);
    padding:11px 12px;
    font-size:16px;
    line-height:24px;
    caret-color:var(--accent);
  }
  /* 说明框默认一行（48px），高度由 autoGrowTextarea() 按内容设置。 */
  .modal[data-kind=editor] .field textarea{
    --editor-field-height:48px;
    min-height:var(--editor-field-height);
    padding:11px 12px;
    font-size:16px;
    line-height:24px;
    caret-color:var(--accent);
  }
  .modal[data-kind=editor] .field input::placeholder,
  .modal[data-kind=editor] .field textarea::placeholder{color:var(--muted);opacity:1}
  .modal[data-kind=editor] .field input:focus,
  .modal[data-kind=editor] .field textarea:focus{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:2px;box-shadow:none}
  .modal[data-kind=editor] textarea{
    resize:none;
    overflow-y:auto;
    scrollbar-width:thin;
    scrollbar-gutter:auto;
  }
  .modal[data-kind=editor] .amount-wrap .currency{left:14px;top:50%;transform:translateY(-50%);font-size:16px;pointer-events:none}
  .modal[data-kind=editor] .amount-wrap input{appearance:textfield;padding-left:36px;text-align:right}
  .modal[data-kind=editor] input[type=number]::-webkit-inner-spin-button,
  .modal[data-kind=editor] input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
  .paper-canvas{overscroll-behavior:contain;scrollbar-gutter:stable both-edges}
}

@media screen and (max-width:900px){
  .modal[data-kind=editor] .modal-body{padding-bottom:12px}
}

/* Print preview stays readable on screen while the popup keeps the physical print size. */
@media screen{
  .print-sheet{font-size:calc(var(--sheet-font-size,13pt) * .82)}
  .print-sheet-content{width:100%}
}

/* 工地单据：当前身份、选择列表与独立的新建页面。 */
@media screen{
  .document-identity{min-width:0;flex:1}
  .document-context{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px}
  .current-document-label{color:var(--muted);font-size:14px;font-weight:500}
  .document-switch{min-height:44px;font-size:15px;padding:8px 13px;gap:9px;flex-shrink:0;box-shadow:none;background:transparent}
  .document-switch svg{width:16px;height:16px}
  .document-identity .title-line{align-items:flex-start;min-width:0}
  .document-identity h1{min-width:0;overflow-wrap:anywhere}
  .document-identity .title-line>.icon-button{flex-shrink:0}
  .modal[data-kind^=document]{width:min(580px,calc(100vw - 40px));height:min(760px,calc(100dvh - 48px));max-height:calc(100dvh - 48px);overflow:hidden}
  .modal[data-kind^=document] #modal-content{height:100%;display:flex;flex-direction:column;min-height:0}
  .modal[data-kind^=document] .modal-head{position:relative;flex-shrink:0;padding:18px 24px;align-items:center}
  .modal[data-kind^=document] .modal-head h2{font-size:23px;line-height:1.4}
  .modal[data-kind^=document] .modal-head p{font-size:14px;margin-top:4px;line-height:1.5}
  .modal[data-kind^=document] .modal-body{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:20px 24px}
  .modal[data-kind^=document] .modal-foot{position:relative;flex-shrink:0;padding:14px 24px;justify-content:space-between}
  .modal[data-kind^=document] .modal-foot .button{min-height:50px;font-size:16px}
  .modal[data-kind^=document] .modal-toast{flex-shrink:0;font-size:15px}
  .docs-toolbar{position:sticky;top:0;z-index:1;background:var(--surface);padding-bottom:12px}
  .doc-new-button{min-height:52px;font-size:17px;gap:9px;margin-bottom:14px}
  .doc-search-box{display:flex;align-items:center;border:1px solid #cfc8bd;border-radius:6px;min-height:48px;background:#fbf8f2}
  .doc-search-label{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding-left:13px;color:var(--muted)}
  .doc-search-label svg{width:19px;height:19px;flex-shrink:0}
  .doc-search-label input{border:0;outline:0;box-shadow:none;background:transparent;min-height:46px;font-size:16px;color:var(--ink);width:100%;min-width:0;padding:10px 8px 10px 0}
  .doc-search-label input::placeholder{color:var(--muted);opacity:1}
  .doc-search-box:focus-within{outline:2px solid var(--accent);outline-offset:2px}
  .doc-search-box .icon-button{width:44px;height:44px;flex-shrink:0;margin-right:2px}
  .doc-search-label input::-webkit-search-cancel-button{display:none}
  .doc-list-heading{display:flex;align-items:baseline;gap:12px;margin:10px 0 6px}
  .doc-list-heading>span{font-size:14px;color:var(--muted)}
  .doc-list{display:block;border-top:1px solid var(--line)}
  .doc-item{min-width:0}
  .doc-open{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:8px 16px;min-height:96px;width:100%;padding:19px 0;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;transition:background 100ms ease}
  .doc-open:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
  .doc-open>.doc-current-tag{grid-column:1/-1;margin-bottom:1px}
  .doc-main{display:block;min-width:0}
  .doc-name{display:block;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);overflow-wrap:anywhere}
  .doc-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:14px;color:var(--muted);line-height:1.65;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
  .doc-main>.doc-meta{display:block;margin-top:5px}
  .doc-updated{font-size:14px;color:var(--muted);line-height:1.65}
  .doc-amount{font-family:var(--number-font);font-variant-numeric:tabular-nums;font-size:16px;font-weight:600;color:var(--ink);line-height:1.65;max-width:46vw;text-align:right;overflow-wrap:anywhere}
  .doc-amount .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
  .doc-current-tag{display:inline-flex;align-items:center;gap:6px;font-size:14px;line-height:1.5;font-weight:500;color:var(--accent);white-space:nowrap}
  .doc-current-tag svg{width:15px;height:15px}
  .doc-open-label{display:inline-flex;align-items:center;gap:3px;justify-self:end;color:var(--accent);font-size:14px;font-weight:500;white-space:nowrap}
  .doc-open-label svg{width:16px;height:16px}
  .docs-local-note{font-size:14px;line-height:1.7;color:var(--muted);margin:20px 0 2px}
  .doc-library-error{padding:14px;background:var(--danger-soft);border-radius:9px;font-size:15px;line-height:1.7;color:#943e31;margin-bottom:16px}
  .doc-search-empty{text-align:center;padding:32px 12px;color:var(--muted)}
  .doc-search-empty h3{font-size:18px;color:var(--ink);margin-bottom:8px}
  .doc-search-empty p{font-size:15px;margin-bottom:20px}
  .doc-back-button{min-height:44px;padding:8px;font-size:15px;white-space:nowrap}
  .doc-create-form{max-width:440px;margin:8px auto 0}
  .doc-name-field{gap:12px;margin-bottom:20px}
  .doc-name-field>label{font-size:18px;font-weight:600}
  .doc-name-field input{min-height:56px;font-size:18px;padding:14px;border-radius:6px}
  .doc-name-field input::placeholder{font-size:16px;color:var(--muted);opacity:1}
  .doc-name-field small{font-size:14px;line-height:1.6;color:var(--muted)}
  .doc-create-explanation{font-size:15px;line-height:1.8;color:var(--muted)}
  .doc-column-options{margin-top:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .doc-column-options summary{display:flex;align-items:center;gap:9px;min-height:54px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
  .doc-column-options summary::-webkit-details-marker{display:none}
  .doc-column-options summary>span{font-size:13px;font-weight:400;color:var(--muted)}
  .doc-column-options summary>svg{width:18px;height:18px;margin-left:auto;color:var(--muted)}
  .doc-column-options[open] summary>svg{transform:rotate(180deg)}
  .doc-column-options .field{gap:8px;margin:8px 0 16px}
  .doc-column-options .field>label{font-size:15px}
  .doc-column-options .field small{font-size:14px;line-height:1.6}
  .doc-create-form .form-error{font-size:15px;line-height:1.7;padding:12px 0}
  .doc-management-hint{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:18px}
  .doc-manage-list{display:grid;gap:0}
  .doc-manage-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}
  .doc-manage-item .doc-name{font-size:17px}
  .doc-manage-item .button{flex-shrink:0;min-height:48px;padding:10px 12px}
  .doc-manage-item .danger{background:var(--danger-soft);color:var(--danger);border-color:transparent;font-size:15px}
  .doc-delete-summary{text-align:center;padding:14px 0}
  .doc-delete-symbol{display:flex;align-items:center;justify-content:center;background:var(--danger-soft);color:var(--danger);width:56px;height:56px;border-radius:50%;margin:0 auto 20px}
  .doc-delete-symbol svg{width:24px;height:24px}
  .doc-delete-summary h3{font-size:23px;line-height:1.5;margin-bottom:18px}
  .doc-delete-summary p{font-size:15px;color:var(--muted);line-height:1.7}
  .doc-delete-summary .doc-delete-name{font-size:20px;font-weight:600;color:var(--ink);overflow-wrap:anywhere;margin-bottom:8px}
  .doc-delete-warning{background:var(--danger-soft);color:#943e31;border-radius:9px;padding:16px;font-size:15px;line-height:1.75;margin-top:18px}
  .doc-confirm-delete{background:var(--danger);border-color:var(--danger);color:white}
  .doc-confirm-delete:hover{background:#933d31}
  .modal[data-kind=document-delete] .modal-foot>.button{flex:1}
}
@media screen and (max-width:900px){
  .page-heading{background:transparent;padding:0;margin:0 0 16px;border:0;border-radius:0}
  .document-context{margin:0 0 8px}
  .current-document-label{font-size:14px}
  .document-switch{min-height:44px;font-size:15px;padding:8px 12px}
  .document-identity h1{font-size:23px;line-height:1.45;flex:1}
  .document-identity .title-line{gap:4px}
  .document-identity .title-line>.icon-button{width:44px;height:44px}
  .modal[data-kind^=document]{inset:0;width:100%;max-width:100%;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0;box-shadow:none}
  .modal[data-kind^=document] .modal-head{padding:14px 20px}
  .modal[data-kind^=document] .modal-head h2{font-size:22px}
  .modal[data-kind^=document] .modal-head p{font-size:14px}
  .modal[data-kind^=document] .modal-body{padding:18px 20px}
  .modal[data-kind^=document] .modal-foot{padding:12px 20px calc(12px + env(safe-area-inset-bottom,0px))}
  .modal[data-kind^=document] .modal-foot>.button{min-height:50px}
  .doc-open{gap:8px 12px}
  .doc-name{font-size:18px}
  .doc-create-form{margin-top:8px}
  .modal[data-kind^=document] .modal-foot .full-width{width:100%}
}
@media screen and (max-width:900px) and (display-mode:standalone){
  .modal[data-kind^=document] .modal-head{padding-top:calc(16px + env(safe-area-inset-top,0px))}
}

/* 添加到手机桌面：iOS 图文引导。 */
@media screen{
  .install-guide{font-size:15px;line-height:1.7;color:#4a5b55}
  .install-guide ol{margin:12px 0;padding-left:20px}
  .install-guide li{margin:6px 0}
  .install-guide strong{color:var(--accent)}
  .install-guide-note{margin-top:14px;padding:11px 13px;border-radius:10px;background:var(--soft);color:#3d5b52;font-size:13.5px;line-height:1.65}
}

/* 单据页面立即响应；其余弹窗只做短暂淡入。 */
@media screen and (prefers-reduced-motion: no-preference){
  .modal:not([data-kind^=document]){transition:opacity 120ms ease}
  @starting-style{.modal:not([data-kind^=document])[open]{opacity:0}}
}
@media screen and (hover:hover){
  .doc-open:hover{background:#f6f3ec}
}

/* 触摸设备没有悬停，改用按下反馈。 */
@media screen and (hover:none){
  .button:active:not(:disabled){transform:none}
  .primary:active:not(:disabled){background:var(--accent-hover)}
  .secondary:active:not(:disabled){background:#f4eee5}
  .icon-button:active{background:#ebe5dc;color:var(--ink)}
  .record-item:active{background:#f2ece2;border-color:#b9c9bf}
  .export-option:active{background:#f4f8f4;border-color:#b1c7ba}
  .doc-open:active{background:var(--soft)}
  .preset-chips button:active{border-color:var(--accent);color:var(--accent);background:#eef6f1}
  .text-link:active,.mobile-tabs button:active{opacity:.72}
}

/* 金额一律使用等宽数字，纵向排列更整齐。 */
@media screen{
  .record-sum,.record-summary strong,.doc-main small,.compact-total strong{font-variant-numeric:tabular-nums}
}

/* 空状态：一句提示，让第一屏不显得空荡。 */
@media screen{
  .empty-state .empty-hint{max-width:24em;margin:10px auto 0;font-size:14px;line-height:1.75;color:var(--muted)}
}


/* 手机端预览：纸张缩放后画布只保留实际尺寸，避免出现可滚动的空白区。 */
@media screen and (max-width:900px){
  .paper-canvas.is-fitted{overflow:hidden;scrollbar-gutter:auto}
}
@media print{
  .paper-canvas.is-fitted{overflow:visible}
  .paper-preview{width:auto!important;min-width:0!important;transform:none!important;margin:0!important}
}

/* Author credit stays secondary to the ledger and remains discoverable on mobile. */
@media screen{
  .app-footer{gap:12px 24px;flex-wrap:wrap}
  .author-credit{display:inline-flex;align-items:baseline;gap:8px;font-size:12px;line-height:1.6;color:var(--muted)}
  .author-credit strong{font-size:13px;font-weight:500;letter-spacing:.015em;color:var(--accent)}
  .menu-author{display:flex;justify-content:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
}
@media screen and (max-width:900px){
  .app-footer{justify-content:center;margin-top:20px;padding:4px 0}
  .footer-tagline{display:inline-flex;align-items:baseline;gap:4px;font-size:11px}
}

/* 界面手感：动效只解释状态变化；不用模糊、不缩放按钮、不做入场表演。 */
@media screen and (prefers-reduced-motion: no-preference){
  .modal:not([data-kind^=document]){transition:opacity var(--dur-base) var(--ease-out),transform var(--dur-base) var(--ease-out)}
  @starting-style{.modal:not([data-kind^=document])[open]{opacity:0;transform:translateY(8px)}}
  .toast:not([hidden]){animation:toast-in var(--dur-base) var(--ease-out)}
  .records-panel.is-entering,.preview-panel.is-entering{animation:view-in 170ms var(--ease-out)}
  .mobile-tabs button{transition:color var(--dur-fast) ease,border-color var(--dur-fast) ease}
  .doc-open,.record-item{transition:background var(--dur-fast) ease,border-color var(--dur-fast) ease}
}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes view-in{from{opacity:.55;transform:translateY(4px)}to{opacity:1;transform:none}}

@media screen{
  /* 长列表只为可见部分排版；列表自己保存滚动位置，所以关掉浏览器锚定，避免二次跳动。 */
  .record-item{content-visibility:auto;contain-intrinsic-size:auto 99px}
  .records-list{overscroll-behavior:contain;overflow-anchor:none}

  /* 键盘焦点比装饰更重要：用主色，确保在纸色和纸面上都清楚。 */
  button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .doc-open:focus-visible{outline-offset:-2px}

  ::selection{background:#cfe1d7;color:var(--ink)}
  input,textarea{caret-color:var(--accent)}
  .records-list,.paper-canvas,.modal-body{scrollbar-color:#c3b9aa transparent}
  .text-link:hover{text-decoration-thickness:1px;text-underline-offset:3px}
  #page-title,.modal-head h2,.doc-name{text-wrap:balance}
  .record-detail,.doc-meta,.empty-hint{text-wrap:pretty}
  .button,.record-item,.doc-open,.icon-button,.mobile-tabs button{touch-action:manipulation}
}

/* ============================================================
   统一组件规格
   8px 控件圆角、12px 平面、16px 浮层；4px 间距基数；
   桌面 44px、手机 48px 控件高度。所有页面共用同一套。
   ============================================================ */
:root{
  --radius-control:8px;
  --radius-surface:12px;
  --radius-overlay:16px;
  --radius-chip:6px;
  --control-sm:36px;
  --control-md:44px;
  --control-lg:48px;
  --gutter:clamp(16px,4.5vw,64px);
  --space-1:4px;
  --space-2:8px;
  --space-3:12px;
  --space-4:16px;
  --space-5:20px;
  --space-6:24px;
  --space-7:32px;
  --shadow:0 8px 24px rgba(45,54,48,.06);
  --shadow-strong:0 24px 64px rgba(29,48,43,.18);
}
@media screen{
  .app-header{height:72px;padding:0 var(--gutter);gap:16px}
  .brand-mark{border-radius:var(--radius-surface)}
  .header-actions{gap:8px}
  .app-main{max-width:1480px;padding:var(--space-7) var(--gutter) var(--space-6)}
  .page-heading{gap:var(--space-6);margin-bottom:var(--space-6)}
  .primary-actions{gap:var(--space-2)}
  .workspace{grid-template-columns:320px minmax(0,1fr);gap:var(--space-6)}
  .records-panel{padding:var(--space-5);border-radius:var(--radius-surface);box-shadow:var(--shadow)}
  .panel-heading{margin-bottom:var(--space-4)}
  .search-box{min-height:var(--control-md);border-radius:var(--radius-control);margin-top:var(--space-3);padding:0 var(--space-3)}
  .search-box input{min-height:42px;font-size:14px}
  .record-item{border-radius:var(--radius-control);padding:14px 16px;margin-bottom:var(--space-2)}
  .record-summary{padding-top:var(--space-4)}
  .storage-note{margin-top:var(--space-4);border-radius:var(--radius-control)}
  .paper-canvas{padding:var(--space-6);border-radius:var(--radius-surface)}
  .button{min-height:var(--control-md);padding:0 16px;border-radius:var(--radius-control);font-size:14px;gap:8px}
  .button.quiet{padding:0 12px}
  .icon-button{width:44px;height:44px;border-radius:var(--radius-control)}
  .title-line .icon-button{width:40px;height:40px}
  .count{height:22px;min-width:22px;border-radius:var(--radius-chip)}
  .print-settings-button,.preview-zoom{min-height:var(--control-sm);border-radius:var(--radius-control)}
  .modal{width:min(640px,calc(100vw - 32px));border-radius:var(--radius-overlay);box-shadow:var(--shadow-strong)}
  .modal-head{padding:20px 24px 16px;min-height:76px}
  .modal-body{padding:20px 24px}
  .modal-foot{padding:16px 24px;gap:8px;min-height:72px}
  .modal[data-kind=editor]{background:var(--surface)}
  .modal[data-kind=editor] .modal-head{padding:18px 24px 12px}
  .modal[data-kind=editor] .modal-body{padding:12px 24px}
  .modal[data-kind=editor] .modal-foot{padding:12px 24px 16px}
  .modal[data-kind=editor] .modal-foot .button{min-height:var(--control-md);padding:0 14px;font-size:14px}
  .field{gap:6px;margin-bottom:var(--space-4)}
  .field input,.field textarea,.field select,.column-name-input{min-height:var(--control-md);border-radius:var(--radius-control);padding:10px 12px;font-size:16px}
  .field textarea{min-height:88px}
  .expense-field{padding-top:var(--space-4);margin-top:var(--space-1)}
  .expense-field h3{margin-bottom:var(--space-2)}
  .export-option{padding:16px;border-radius:var(--radius-control);gap:12px;margin-bottom:8px}
  .option-icon{width:40px;height:40px;border-radius:var(--radius-control)}
  .preset-chips button{min-height:var(--control-sm);border-radius:var(--radius-chip);padding:0 12px}
  .column-item{padding:12px 0}
  .doc-new-button{min-height:var(--control-lg);font-size:16px;border-radius:var(--radius-control)}
  .doc-search-box{min-height:var(--control-md);border-radius:var(--radius-control)}
  .doc-open{min-height:88px;padding:16px 0;gap:8px 16px}
  .modal[data-kind^=document] .modal-head{padding:20px 24px 16px}
  .modal[data-kind^=document] .modal-body{padding:20px 24px}
  .modal[data-kind^=document] .modal-foot{padding:16px 24px}
  .modal[data-kind^=document] .modal-foot .button{min-height:var(--control-lg);font-size:16px}
  .settings-grid{gap:0 16px}
  .checkbox-field{min-height:44px;gap:8px;margin:4px 0 16px}
  .add-column-form{border-radius:var(--radius-surface);padding:16px}
  .column-name-input{min-height:var(--control-md)}
  .toast{border-radius:var(--radius-control);padding:12px 16px}
  .notice{border-radius:var(--radius-control)}
  .mobile-actionbar .button{min-height:var(--control-lg)}
  .app-footer{margin-top:var(--space-6)}
}
@media screen and (max-width:900px){
  .app-header{height:56px;padding:0 16px}
  .app-header .button{min-height:40px;padding:0 10px;font-size:14px}
  .app-main{min-height:calc(100dvh - 56px);padding:14px 16px 104px;display:flex;flex-direction:column}
  .app-footer{margin-top:auto}
  .brand{gap:9px}
  .brand-mark{width:32px;height:32px;padding:7px;gap:3px;border-radius:10px}
  .page-heading{margin-bottom:12px}
  .records-panel{padding:0;border-radius:0;box-shadow:none}
  .record-item{border-radius:0;padding:14px 0;margin:0}
  .record-detail{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:normal;text-wrap:pretty}
  .search-box{min-height:48px;margin-top:12px}
  .search-box input{min-height:48px;font-size:16px}
  .paper-canvas{padding:16px}
  .button{min-height:48px;padding:0 18px;font-size:16px}
  .button.quiet{padding:0 12px}
  .icon-button{width:44px;height:44px}
  .modal{width:100%;max-width:100%;margin:0;margin-top:auto;max-height:94dvh;border-radius:16px 16px 0 0;border-bottom:0;align-self:end;top:auto;bottom:0}
  .modal-head{padding:16px 16px 12px;min-height:68px}
  .modal-body{padding:16px}
  .modal-foot{padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));gap:8px;min-height:68px}
  .modal .button{min-height:48px;font-size:16px}
  .modal:not([data-kind=editor]) .modal-head{padding:16px 16px 12px}
  .modal:not([data-kind=editor]) .modal-body{padding:16px}
  .modal[data-kind=editor] .date-field{height:48px;border-radius:var(--radius-control);padding:0 12px}
  .modal[data-kind=editor] .date-field input[type=date]{height:46px;min-height:46px;max-height:46px}
  .modal[data-kind=editor] .modal-head{padding:16px 16px 10px}
  .modal[data-kind=editor] .modal-body{padding:8px 16px 12px}
  .modal[data-kind=editor] .modal-foot{padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px))}
  .modal[data-kind=editor] .modal-foot .button{min-height:48px;padding:0 14px;font-size:14px}
  .field input,.field textarea,.field select,.column-name-input{min-height:48px;font-size:16px}
  .field textarea{min-height:88px}
  .export-option{padding:14px;border-radius:var(--radius-control);margin-bottom:8px}
  .option-icon{width:40px;height:40px}
  .doc-new-button{min-height:48px}
  .doc-search-box{min-height:48px}
  .doc-open{min-height:84px;padding:16px 0}
  .modal[data-kind^=document] .modal-head{padding:16px 16px 12px}
  .modal[data-kind^=document] .modal-body{padding:16px}
  .modal[data-kind^=document] .modal-foot{padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px))}
  .mobile-actionbar .button{min-height:48px;padding:0 16px}
  .brand-mark{border-radius:10px}
  .print-settings-button,.preview-zoom{min-height:44px}
  .search-box input{min-height:46px}
  .app-footer{margin-top:auto}
}

/* ============================================================
   v12 精修：更安静的中性色、单一无衬线界面字体、单据入口改为行内链接，
   桌面记录改为分隔行，去掉面板里的嵌套卡片。
   ============================================================ */
:root{
  --canvas:#f6f4ef;
  --surface:#fffefb;
  --ink:#1f2723;
  --muted:#646a65;
  --accent:#1f5c4d;
  --accent-hover:#174839;
  --soft:#eaf1ec;
  --line:#e3ddd3;
  --danger:#a8483c;
  --danger-soft:#fdf1ed;
  --shadow:0 1px 2px rgba(31,39,35,.04);
  --shadow-strong:0 24px 64px rgba(31,39,35,.16);
}
@media screen{
  body{background:var(--canvas);color:var(--ink)}
  .app-header{background:var(--surface);border-bottom-color:var(--line);box-shadow:none}
  .brand-wordmark{letter-spacing:.02em}
  .brand small{color:var(--muted);border-left-color:var(--line)}
  #page-title{letter-spacing:-.015em;font-weight:600}
  .modal-head h2{letter-spacing:-.01em;font-weight:600}
  .document-context{justify-content:flex-start;gap:6px;margin-bottom:6px}
  .current-document-label{color:var(--muted);font-size:13px;font-weight:500}
  .document-switch{display:inline-flex;align-items:center;gap:2px;min-height:44px;min-width:44px;padding:0 5px;border:0;border-radius:var(--radius-control);background:transparent;color:var(--accent);font-size:14px;font-weight:500;line-height:1;box-shadow:none}
  .document-switch:hover{background:transparent;color:var(--accent-hover);text-decoration:underline;text-underline-offset:3px}
  .document-switch svg{width:14px;height:14px;color:currentColor}
  .button{font-size:15px;font-weight:500}
  .button.primary{font-weight:600;border-color:var(--accent);background:var(--accent)}
  .button.secondary{border-color:#d8d2c8;background:var(--surface)}
  .button.secondary:hover:not(:disabled){background:var(--soft);border-color:#c9c2b7}
  .button.quiet{color:var(--muted)}
  .field>label,.field-label{font-weight:500}
  .records-panel{background:var(--surface);border-color:var(--line);box-shadow:var(--shadow)}
  .search-box{background:var(--surface);border-color:var(--line)}
  .record-summary{border-top-color:var(--line)}
  .storage-note{background:#f3f1ec;color:var(--muted)}
  .paper-canvas{background:#eeece7;border-color:var(--line)}
  .modal{background:var(--surface);border-color:var(--line)}
  .modal-head,.modal-foot{background:var(--surface);border-color:var(--line)}
  .field input,.field textarea,.field select,.column-name-input{background:var(--surface);border-color:#d8d2c8}
  .field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent)}
  .export-option{background:var(--surface);border-color:var(--line)}
  .export-option:hover{border-color:#c9c2b7;background:var(--soft)}
  .option-icon{background:var(--soft);color:var(--accent)}
  .preset-chips button{background:var(--surface);border-color:var(--line)}
  .doc-search-box{background:var(--surface);border-color:var(--line)}
  .doc-search-label input{color:var(--ink)}
  .doc-open,.record-item{border-bottom-color:var(--line)}
  .toast{background:var(--ink)}
  .mobile-actionbar{background:var(--surface);border-top-color:var(--line)}
}
@media screen and (min-width:901px){
  /* 桌面记录也走分隔行，和手机、单据列表保持同一种语言。 */
  .records-list{margin:14px 0 0}
  .record-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:14px 0;margin:0}
  .record-item:hover{background:#faf8f3;border-color:var(--line)}
  .record-item:last-child{border-bottom:1px solid var(--line)}
}
@media screen and (max-width:900px){
  .current-document-label{font-size:13px}
  .document-switch{font-size:14px;padding:0 5px}
  .button{font-size:16px;font-weight:500}
  .app-header{background:var(--surface)}
  .records-panel{background:transparent;border:0;box-shadow:none}
}