/* Duplicate invoice & expense checker (#/duplicate-check, public/dupcheck.js) */
.dup-form h2, .dup-dl h2 { margin-top: 0; }
.dup-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: 0.75rem 1rem; align-items: start; }
.dup-grid .field + .field { margin-top: 0; }
.dup-check { margin-top: 0.9rem; }
.dup-check label { font-weight: 600; display: inline-flex; gap: 0.5rem; align-items: center; }
.dup-check input[type="checkbox"] { width: 1.15rem; height: 1.15rem; }
.dup-inline { margin: 0.35rem 0 0 1.65rem; }
.dup-num { width: 6rem; display: inline-block; min-height: 44px; padding: 8px 10px; font: inherit; border: 1px solid var(--line-strong, var(--line)); border-radius: 10px; background: var(--surface, #fff); }
.dup-inline .dup-num { min-height: 36px; padding: 4px 8px; }
.dup-groups { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: 1rem; }
.dup-head { display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; align-items: center; }
.dup-head h3 { margin: 0; font-size: 1.15rem; }
.dup-reasons { margin: 0.6rem 0; padding-left: 1.2rem; }
.dup-items { list-style: none; padding: 0; margin: 0.75rem 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; }
.dup-item { border: 1px solid var(--line); border-radius: var(--radius-lg, 12px); padding: 0.75rem; background: var(--surface, #fff); min-width: 0; }
.dup-file { margin: 0 0 0.4rem; font-weight: 650; overflow-wrap: anywhere; }
.dup-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0 0 0.5rem; }
.dup-pic { margin: 0 0 0.6rem; }
.dup-pic img { display: block; width: 100%; height: auto; max-height: 26rem; object-fit: contain; object-position: top; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.dup-nopic { margin: 0 0 0.6rem; }
.dup-fields { margin: 0; display: grid; gap: 0.15rem; }
.dup-row { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 0.5rem; padding: 0.15rem 0.3rem; border-radius: 6px; }
.dup-row dt { color: var(--muted); font-size: 0.9rem; }
.dup-row dd { margin: 0; overflow-wrap: anywhere; }
.dup-row.dup-same { background: var(--warn-bg); }
.dup-row.dup-same dd { font-weight: 650; }
.dup-keep { display: flex; gap: 0.5rem; align-items: center; margin-top: 0.6rem; font-size: 0.95rem; }
.dup-dl { margin-top: 1rem; }
@media (max-width: 560px) {
  .dup-row { grid-template-columns: 1fr; gap: 0; }
}