/* 보관소 시안의 지면과 서체를 기존 공통 색상 토큰으로 구성합니다. */
@font-face {
    font-family: "LostMaruBuri";
    src: url("/fonts/MaruBuri-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
.lost-site {
    --lost-ink: var(--ref-ink);
    --lost-paper: var(--k-bg-white);
    --lost-muted: var(--k-text-gray);
    --lost-line: var(--k-color-gray-ddd);
    --lost-wash: var(--k-bg-gray-light);
    --lost-serif: "LostMaruBuri", "Batang", serif;
    color: var(--lost-ink);
    background: var(--lost-paper);
    font: 15px/1.6 var(--k-font-primary), sans-serif;
    min-height: 100vh;
    overflow-wrap: anywhere;
}
.lost-site *, .lost-site *::before, .lost-site *::after { box-sizing: border-box; }
.lost-site [hidden] { display: none !important; }
.lost-site h1, .lost-site h2, .lost-site h3, .lost-site p, .lost-site figure { margin: 0; }
.lost-site h1, .lost-site h2, .lost-site h3 { font-family: var(--lost-serif); font-weight: 400; text-wrap: balance; }
.lost-site button, .lost-site input, .lost-site select, .lost-site textarea { font: inherit; color: inherit; border-radius: 0; }
.lost-site a { color: inherit; text-decoration: none; }
.lost-site button { cursor: pointer; background: none; border: 0; }
.lost-site button:disabled { opacity: .55; cursor: default; }
.lost-site a, .lost-site button { touch-action: manipulation; }
.lost-site :focus-visible { outline: 2px solid var(--lost-ink); outline-offset: 4px; }
/* 화면 이동 후 본문에 포커스가 생겨도 외곽 테두리를 표시하지 않습니다. */
.lost-site #lostMain:focus {
    outline: none;
}
.lost-site input:focus, .lost-site select:focus, .lost-site textarea:focus {
    outline: none;
    box-shadow: none;
}
.lost-site input, .lost-site select, .lost-site textarea { background: var(--lost-paper); }
.lost-shell { width: min(1320px, calc(100% - 96px)); margin: auto; }
.lost-masthead { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.lost-brand { font-family: var(--lost-serif); font-size: 23px; letter-spacing: .08em; white-space: nowrap; }
.lost-brand small {
    display: block;
    margin-top: 8px;
    font: 10px/1.5 var(--k-font-primary);
    letter-spacing: .16em;
}
.lost-nav { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.lost-nav a { min-height: 44px; display: inline-flex; gap: 6px; align-items: center; font-size: 13px; }
.lost-nav a[aria-current="page"], .lost-admin-tabs a[aria-current="page"] { text-decoration: underline; text-underline-offset: 7px; font-weight: 700; }
.lost-nav [data-locker-count] { font-family: monospace; font-size: 11px; }
.lost-skip { position: fixed; top: -100px; padding: 12px; background: var(--lost-ink); color: var(--lost-paper) !important; z-index: var(--k-z-critical); }
.lost-skip:focus { top: 0; }
.lost-site .lost-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--lost-ink);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    gap: 8px;
}
.lost-site .lost-btn:hover { background: var(--lost-wash); }
.lost-site .lost-solid { background: var(--lost-ink); color: var(--lost-paper); }
.lost-site .lost-solid:hover { background: var(--lost-ink); opacity: .85; }
.lost-site .lost-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0; text-decoration: underline; text-underline-offset: 5px; font-size: 13px; }
.lost-mono { font: 12px/1.6 "Courier New", monospace; letter-spacing: .05em; }
.lost-hero { display: grid; grid-template-columns: 1.05fr 1.45fr; gap: 32px; padding: 16px 0 26px; }
.lost-hero-intro { align-self: center; min-width: 0; padding: 20px 0; }
.lost-eyebrow {
    margin-bottom: 18px !important;
    color: var(--lost-muted);
    font-size: 12px;
    letter-spacing: 0;
}
.lost-hero h1 {
    font-size: clamp(34px, 3.34vw, 48px);
    line-height: 1.4;
    letter-spacing: -.035em;
    word-break: keep-all;
}
.lost-hero-copy {
    color: var(--lost-muted);
    margin-top: 20px !important;
    line-height: 1.85;
    font-size: 14px;
    word-break: keep-all;
}
.lost-hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 21px; margin-top: 27px; }
.lost-hero-actions .lost-btn { gap: 12px; }
.lost-hero-visual { position: relative; min-width: 0; height: 416px; overflow: hidden; background: var(--lost-wash); }
.lost-hero-image { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 54% center; }
.lost-featured { position: absolute; bottom: 19px; left: 19px; width: min(344px, calc(100% - 38px)); border: 1px solid var(--lost-line); background: var(--lost-paper); padding: 16px 19px; }
.lost-featured-top { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--lost-line); padding-bottom: 11px; font-size: 11px; }
.lost-featured h2 { font-size: 20px; margin: 14px 0 7px; letter-spacing: -.035em; }
.lost-featured > p {
    font-size: 13px;
    line-height: 1.75;
    color: var(--lost-muted);
    white-space: pre-line;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.lost-featured-foot { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 12px; }
.lost-stamp {
    color: var(--lost-muted);
    font-size: 12px;
    white-space: nowrap;
}
.lost-ticker { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--lost-line); border-bottom: 1px solid var(--lost-line); padding: 13px 0; font-size: 12px; }
.lost-workspace { padding: 36px 0 48px; position: relative; }
.lost-section-title { font-size: 28px; letter-spacing: -.025em; line-height: 1.4; }
.lost-section-title small { margin-left: 12px; color: var(--lost-muted); font: 12px "Courier New", monospace; }
.lost-description {
    margin-top: 8px !important;
    color: var(--lost-muted);
    font-size: 14px;
    line-height: 1.75;
}
/* 검색 영역은 안내 문구 뒤에 배치하여 긴 설명과 겹치지 않게 합니다. */
.lost-search {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--lost-ink);
    width: min(320px, 100%);
    margin: 20px 0 0 auto;
}
.lost-search input {
    flex: 1;
    width: 100%;
    min-width: 0;
    border: 0;
    padding: 10px 12px 10px 0;
    background: none;
    font-size: 14px;
}
.lost-search button {
    flex: 0 0 64px;
    min-height: 44px;
    padding: 10px 12px;
    background: var(--lost-wash);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}
.lost-controls { display: flex; justify-content: space-between; gap: 16px; margin-top: 27px; border-bottom: 1px solid var(--lost-ink); }
.lost-filters { display: flex; gap: 23px; flex-wrap: wrap; }
.lost-filters button { min-height: 44px; padding: 12px 0 15px; color: var(--lost-muted); font-size: 13px; border-bottom: 2px solid transparent; }
.lost-filters button[aria-pressed="true"] { color: var(--lost-ink); border-bottom-color: var(--lost-ink); font-weight: 700; }
.lost-controls select {
    flex-shrink: 0;
    min-height: 44px;
    border: 0;
    font-size: 13px;
    max-width: 140px;
}
.lost-item-row { display: grid; grid-template-columns: 148px 68px 60px minmax(0, 1fr) 70px 60px; gap: 20px; align-items: center; min-height: 130px; border-bottom: 1px solid var(--lost-line); padding: 22px 0; }
.lost-item-row:has(.lost-unpick:not([hidden])) { grid-template-columns: 148px 68px 60px minmax(0, 1fr) 70px 60px 65px; }
.lost-item-photo { display: block; width: 148px; height: 86px; object-fit: cover; filter: grayscale(1); }
.lost-item-number { font: 12px "Courier New", monospace; color: var(--lost-muted); }
.lost-category { display: inline-block; border: 1px solid var(--lost-line); padding: 3px 9px; width: fit-content; font-size: 11px; }
.lost-item-info { min-width: 0; }
.lost-item-info h3 { font-size: inherit; }
.lost-item-title {
    display: inline-block;
    font-family: var(--lost-serif);
    font-size: 20px;
    line-height: 1.5;
    letter-spacing: -.02em;
}
.lost-item-title[href]:hover { text-decoration: underline; }
.lost-item-excerpt {
    color: var(--lost-muted);
    font-size: 13px;
    line-height: 1.65;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 6px !important;
}
.lost-item-date, .lost-pick-count { font-size: 12px; color: var(--lost-muted); }
.lost-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}
.lost-site .lost-pagination .lost-btn {
    min-width: 44px;
    min-height: 32px;
    padding: 6px 12px;
    border-color: var(--lost-line);
    font-size: 12px;
    font-weight: 400;
}
.lost-pagination > span {
    min-width: 48px;
    text-align: center;
}
.lost-empty { padding: 50px 12px; text-align: center; border-bottom: 1px solid var(--lost-line); }
.lost-empty h3 { margin-bottom: 10px; }
.lost-home-guide { border-top: 1px solid var(--lost-ink); padding: 35px 0; display: grid; grid-template-columns: 1fr 2fr auto; align-items: center; gap: 36px; }
.lost-home-guide h2 { font-size: 22px; }
.lost-home-guide p { font-size: 14px; color: var(--lost-muted); }
.lost-footer { border-top: 1px solid var(--lost-line); padding: 25px 0 35px; display: flex; justify-content: space-between; gap: 24px; font-size: 11px; color: var(--lost-muted); }
.lost-footer > div { display: flex; flex-wrap: wrap; gap: 20px; }
.lost-document { width: min(740px, 100%); margin: 30px auto 70px; }
.lost-document.lost-detail { width: 100%; }
.lost-document-number { margin: 24px 0 !important; color: var(--lost-muted); }
.lost-document h1 { font-size: 30px; line-height: 1.5; letter-spacing: -.025em; margin-top: 14px; }
.lost-field { margin-top: 27px; }
.lost-field label, .lost-comment-form > label { display: block; font-size: 13px; font-weight: 600; margin-bottom: var(--k-space-form-label); }
.lost-field input, .lost-field select, .lost-field textarea, .lost-dialog textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--lost-line);
    padding: 10px 12px;
    font-size: 16px;
    line-height: 1.6;
}
.lost-site textarea { resize: vertical; }
.lost-field-hint { text-align: right; font-size: 12px; color: var(--lost-muted); margin-top: 6px !important; }
.lost-form-foot { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--lost-line); display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.lost-detail-meta { display: flex; justify-content: space-between; gap: 20px; margin: 18px 0 25px; font-size: 12px; color: var(--lost-muted); }
.lost-story {
    font-family: var(--lost-serif);
    white-space: pre-wrap;
    line-height: 1.95;
    font-size: 17px;
    border-top: 1px solid var(--lost-line);
    padding: 24px 0;
}
.lost-detail-actions, .lost-reactions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.lost-reactions { margin: 25px 0; }
.lost-reactions button { border: 1px solid var(--lost-line); min-height: 44px; padding: 9px 12px; font-size: 12px; }
.lost-reactions button[aria-pressed="true"] { color: var(--lost-paper); background: var(--lost-ink); }
/* 상세의 보관 안내와 공유 도구, 반응·신고를 역할별로 구분합니다. */
.lost-detail-participation {
    margin-top: 16px;
    padding-top: 32px;
    border-top: 1px solid var(--lost-line);
}
.lost-detail-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px 32px;
}
.lost-detail-keep {
    flex: 1;
    min-width: 0;
}
.lost-detail-keep > .lost-description { margin-top: 14px !important; }
.lost-detail-toolbar > .lost-detail-actions {
    flex-shrink: 0;
    align-items: center;
    gap: 16px;
    margin-top: 0;
}
.lost-detail-feedback {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--lost-line);
}
.lost-detail-feedback > .lost-reactions {
    gap: 12px;
    margin: 0;
}
.lost-detail-feedback .lost-reactions button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}
.lost-site .lost-detail-report {
    flex-shrink: 0;
    color: var(--lost-muted);
}
.lost-comments { border-top: 1px solid var(--lost-ink); padding-top: 24px; margin-top: 28px; }
.lost-comments h2 { font: 600 16px var(--k-font-primary); margin-bottom: 15px; }
.lost-comment { border-bottom: 1px solid var(--lost-line); padding: 15px 0; }
.lost-comment > div { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.lost-comment-meta { color: var(--lost-muted); font-size: 12px; }
.lost-comment-body { white-space: pre-wrap; font-size: 14px; }
.lost-comment-form { margin-top: 22px; }
.lost-comment-form > div { display: flex; gap: 8px; }
.lost-comment-form input { flex: 1; min-width: 0; border: 1px solid var(--lost-line); padding: 12px; font-size: 16px; }
.lost-guide h2 { margin: 30px 0 12px; font-size: 21px; }
.lost-guide > p { color: var(--lost-muted); }
.lost-guide > .lost-btn { margin-top: 30px; }
.lost-site .lost-dialog { width: min(640px, calc(100% - 32px)); max-height: calc(100dvh - 40px); margin: auto; padding: 0; border: 1px solid var(--lost-ink); color: var(--lost-ink); background: var(--lost-paper); overflow: auto; }
.lost-dialog::backdrop { background: var(--k-overlay-dark-50); }
.lost-dialog-bar { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--lost-line); gap: 16px; }
.lost-dialog-bar h2 { font-size: 22px; }
.lost-close { min-width: 60px; min-height: 44px; white-space: nowrap; }
.lost-dialog-body { padding: 24px; }
.lost-dialog canvas { width: 100%; height: auto; border: 1px solid var(--lost-line); margin: 20px 0; }
.lost-dialog-body > label { display: block; margin-bottom: var(--k-space-form-label); }
.lost-site:has(dialog[open]) { overscroll-behavior: contain; }
body:has(.lost-site dialog[open]) { overflow: hidden; }
.lost-site .lost-alert { width: min(420px, calc(100% - 32px)); }
.lost-alert .lost-dialog-body > p { white-space: pre-wrap; }
.lost-alert .lost-form-foot { justify-content: flex-end; }
.lost-site .lost-loading {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    border: 0;
    padding: 24px;
    color: var(--lost-ink);
    background: var(--k-bg-blur);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
}
.lost-loading[open] { display: grid; place-items: center; }
.lost-loading::backdrop {
    background: var(--k-bg-blur);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.lost-loading-panel { width: min(180px, 100%); text-align: center; font-size: 13px; }
.lost-loading-track { position: relative; height: 3px; background: var(--lost-line); overflow: hidden; margin-bottom: 16px; }
.lost-loading-track > span { display: block; width: 45%; height: 100%; background: var(--lost-ink); }
.lost-toast { position: fixed; inset: auto; margin: 0; border: 0; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--lost-ink); color: var(--lost-paper); padding: 14px 22px; width: max-content; max-width: calc(100% - 32px); z-index: var(--k-z-critical); font-size: 13px; }
/* 관리 현황과 조회·조치 영역을 기존 흑백 톤의 선과 간격으로 구분합니다. */
.lost-admin-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px 24px;
    margin: 20px 0 16px;
    padding: 14px 0;
    border-top: 1px solid var(--lost-line);
    border-bottom: 1px solid var(--lost-line);
}
.lost-admin-summary > div { display: flex; align-items: baseline; gap: 12px; }
.lost-admin-summary dt { font-size: 13px; color: var(--lost-muted); }
.lost-admin-summary dd { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; margin: 0; }
.lost-admin-tabs { display: flex; gap: 24px; overflow-x: auto; scrollbar-width: thin; border-bottom: 1px solid var(--lost-line); }
.lost-admin-tabs a {
    flex-shrink: 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    border-bottom: 2px solid var(--lost-paper);
    font-size: 13px;
    white-space: nowrap;
}
.lost-admin-tabs a[aria-current="page"] { border-bottom-color: var(--lost-ink); text-decoration: none; }
.lost-admin-tabs a:focus-visible { outline-offset: -3px; }
.lost-admin-search {
    display: grid;
    grid-template-columns: minmax(200px, 1fr) 120px 120px 160px 160px auto;
    gap: 16px;
    align-items: end;
    padding: 24px 0;
    border-bottom: 1px solid var(--lost-line);
}
.lost-admin-search[data-tab="comments"] { grid-template-columns: minmax(200px, 1fr) 160px auto; }
.lost-admin-search[data-tab="reports"] { grid-template-columns: 180px auto; justify-content: start; }
.lost-admin-search[data-tab="featured"] { grid-template-columns: minmax(200px, 1fr) 144px 160px 160px auto; }
.lost-admin-search .lost-field, .lost-word-form .lost-field { min-width: 0; margin-top: 0; }
.lost-admin-search input, .lost-admin-search select, .lost-word-form .lost-field input { height: 44px; min-height: 44px; font-size: 14px; }
.lost-admin-search-actions { display: flex; align-items: center; gap: 12px; }
.lost-admin-search-actions .lost-btn { min-width: 72px; }
.lost-admin-workspace input:focus-visible, .lost-admin-workspace select:focus-visible { border-color: var(--lost-ink); }
.lost-admin-row { display: flex; justify-content: space-between; align-items: start; gap: 24px 32px; padding: 24px 0; border-bottom: 1px solid var(--lost-line); }
.lost-admin-body { flex: 1; min-width: 0; }
.lost-admin-row-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.lost-admin-state { padding: 2px 8px; background: var(--lost-wash); font-size: 12px; font-weight: 600; }
.lost-admin-row .lost-admin-title { font-family: var(--k-font-primary), sans-serif; font-size: 17px; font-weight: 600; line-height: 1.5; text-wrap: pretty; margin: 8px 0 !important; }
.lost-admin-meta, .lost-admin-target { color: var(--lost-muted); font-size: 12px; white-space: pre-wrap; }
.lost-admin-content { font-size: 14px; line-height: 1.75; white-space: pre-wrap; }
.lost-admin-target:not(:empty) { margin-top: 12px !important; }
.lost-admin-actions { display: grid; flex: 0 0 260px; gap: 12px; }
.lost-admin-primary-actions, .lost-admin-secondary-actions { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 8px 16px; }
.lost-admin-actions .lost-btn { padding: 8px 12px; font-size: 13px; }
.lost-admin-secondary-actions .lost-link { color: var(--lost-muted); }
.lost-admin-workspace .lost-empty { padding: 40px 12px; color: var(--lost-muted); font-size: 14px; }
#lostFeaturedNotice { margin: 20px 0 0 !important; }
.lost-word-form {
    display: grid;
    grid-template-columns: minmax(200px, 1fr) minmax(240px, 1.5fr);
    gap: 20px 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--lost-line);
}
.lost-word-intro, .lost-word-foot { grid-column: 1 / -1; }
.lost-word-intro .lost-admin-subtitle { font-family: var(--k-font-primary), sans-serif; font-size: 16px; font-weight: 600; line-height: 1.5; }
.lost-word-intro .lost-description { margin-top: 8px !important; }
.lost-word-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.lost-word-foot .lost-btn { min-width: 88px; }
.lost-check { display: flex; align-items: center; gap: 8px; min-height: 44px; }
.lost-check input { width: 18px; height: 18px; }
.lost-admin-history { margin-top: 14px; font-size: 12px; }
.lost-admin-history summary { min-height: 44px; padding: 12px 0; cursor: pointer; }
.lost-admin-history-content { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lost-admin-history-content > div { padding: 16px; background: var(--lost-wash); }
.lost-admin-history-content span { font-weight: 600; }
.lost-admin-history pre { margin: 8px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
/* 관리자 처리 확인창은 대상과 사유를 구분하고 조치 버튼을 오른쪽에 모읍니다. */
.lost-dialog[data-admin="true"] .lost-action-target { padding: 16px; background: var(--lost-wash); }
.lost-action-target-label { display: block; margin-bottom: 8px; font-size: 12px; color: var(--lost-muted); }
.lost-dialog[data-admin="true"] .lost-field { margin-top: 20px; }
.lost-dialog[data-admin="true"] .lost-form-foot { justify-content: flex-end; flex-direction: row; gap: 12px; }
.lost-dialog[data-admin="true"] .lost-form-foot .lost-btn { min-width: 88px; }
@media (max-width: 1150px) {
    .lost-admin-search, .lost-admin-search[data-tab="featured"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lost-admin-search [data-search-field="search"], .lost-admin-search[data-tab="featured"] [data-search-field="category"] { grid-column: span 2; }
    .lost-admin-search[data-tab="items"] .lost-admin-search-actions,
    .lost-admin-search[data-tab="featured"] .lost-admin-search-actions { grid-column: span 2; justify-content: flex-end; }
    .lost-admin-search[data-tab="comments"] [data-search-field="search"] { grid-column: auto; }
    .lost-hero { grid-template-columns: 1fr 1.1fr; gap: 21px; }
    .lost-hero h1 { font-size: 38px; }
    .lost-hero-visual { height: 392px; }
    .lost-nav { gap: 16px; }
    .lost-item-row, .lost-item-row:has(.lost-unpick:not([hidden])) { grid-template-columns: 116px 58px 58px minmax(0, 1fr) 60px; gap: 12px; }
    .lost-item-photo { width: 116px; height: 82px; }
    .lost-item-date { display: none; }
    .lost-unpick { grid-column: 4 / -1; justify-self: end; }
}
@media (max-width: 1023px) {
    .lost-admin-search input, .lost-admin-search select, .lost-word-form .lost-field input { font-size: 16px; }
    .lost-shell { width: calc(100% - 48px); }
    .lost-masthead { flex-wrap: wrap; padding-top: 20px; gap: 12px; }
    .lost-nav { gap: 20px; }
    .lost-site input, .lost-site textarea, .lost-site select, .lost-search input { font-size: 16px; }
    .lost-home-guide { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 900px) {
    .lost-hero h1 { font-size: 32px; }
    .lost-hero { gap: 18px; }
    .lost-hero-visual { height: 376px; }
    .lost-featured { left: 14px; bottom: 14px; width: calc(100% - 28px); padding: 13px; }
    .lost-featured h2 { font-size: 18px; }
    .lost-admin-actions { flex-basis: 240px; }
}
@media (max-width: 720px) {
    .lost-detail-toolbar, .lost-detail-feedback { flex-direction: column; }
    .lost-detail-keep { width: 100%; }
    .lost-detail-report { align-self: flex-end; }
    .lost-hero { grid-template-columns: 1fr; padding-top: 21px; }
    .lost-hero-intro { padding: 0 0 6px; }
    .lost-hero h1 { font-size: 40px; }
    .lost-hero-visual { height: 344px; }
    .lost-nav { width: 100%; justify-content: space-between; gap: 8px 14px; border-bottom: 1px solid var(--lost-line); }
    .lost-admin-row { flex-direction: column; gap: 16px; }
    .lost-admin-actions { flex-basis: auto; width: 100%; gap: 4px; }
    .lost-admin-primary-actions, .lost-admin-secondary-actions { justify-content: flex-start; }
    .lost-admin-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lost-admin-search[data-tab] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lost-admin-search [data-search-field="search"],
    .lost-admin-search[data-tab="comments"] [data-search-field="search"],
    .lost-admin-search[data-tab="featured"] [data-search-field="category"] { grid-column: 1 / -1; }
    .lost-admin-search .lost-admin-search-actions { grid-column: 1 / -1; justify-content: flex-end; }
    .lost-admin-history-content { grid-template-columns: 1fr; }
    /* 번호와 분류를 같은 행에 두고 제목은 남은 너비 전체를 사용합니다. */
    .lost-item-row, .lost-item-row:has(.lost-unpick:not([hidden])) {
        grid-template-columns: 78px max-content minmax(0, 1fr);
        gap: 6px 12px;
        min-height: 120px;
        padding: 18px 0;
    }
    .lost-item-photo { width: 78px; height: 86px; grid-row: 1 / 4; }
    .lost-item-number { grid-column: 2; font-size: 11px; }
    .lost-item-row .lost-category {
        grid-column: 3;
        grid-row: 1;
        font-size: 11px;
        padding: 0 6px;
    }
    .lost-item-info { grid-column: 2 / -1; }
    .lost-item-title { font-size: 18px; }
    .lost-pick-count { grid-column: 2 / -1; font-size: 12px; }
    .lost-unpick { grid-column: 2 / -1; }
}
@media (max-width: 600px) {
    .lost-shell { width: calc(100% - 36px); }
    .lost-brand { font-size: 22px; }
    .lost-nav { justify-content: flex-start; gap: 4px 18px; }
    .lost-nav a { font-size: 13px; }
    .lost-hero { padding: 25px 0 20px; gap: 21px; }
    .lost-hero h1 { font-size: clamp(28px, 8.2vw, 36px); line-height: 1.4; }
    .lost-eyebrow { font-size: 12px; margin-bottom: 14px !important; }
    .lost-hero-actions { margin-top: 18px; gap: 14px; }
    .lost-hero-copy { margin-top: 16px !important; }
    .lost-hero-visual { height: 312px; }
    .lost-featured { bottom: 13px; left: 13px; width: calc(100% - 26px); padding: 14px; }
    .lost-ticker { font-size: 12px; }
    .lost-ticker > .lost-mono { display: none; }
    .lost-workspace { padding-top: 32px; }
    .lost-section-title { font-size: 26px; }
    .lost-section-title small { display: inline-block; margin-left: 8px; font-size: 11px; }
    .lost-search { width: 100%; }
    .lost-search button { min-height: 48px; }
    .lost-controls { flex-wrap: wrap; gap: 4px 12px; margin-top: 16px; }
    .lost-filters { flex: 1 0 auto; gap: 4px; }
    .lost-filters button { min-width: 36px; padding: 10px 4px; font-size: 13px; }
    .lost-controls select { margin-left: auto; max-width: 140px; font-size: 16px; }
    .lost-pagination { gap: 10px; margin-top: 20px; }
    .lost-footer { flex-direction: column; gap: 14px; }
    .lost-document { margin: 24px auto 48px; }
    .lost-document h1 { font-size: 26px; }
    .lost-story { font-size: 16px; }
    .lost-form-foot { flex-direction: column; align-items: stretch; gap: 16px; }
    .lost-detail-meta { flex-wrap: wrap; gap: 8px; }
    .lost-detail-participation { padding-top: 24px; }
    .lost-detail-keep > .lost-btn { width: 100%; }
    .lost-detail-toolbar > .lost-detail-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        width: 100%;
    }
    .lost-detail-toolbar .lost-link { justify-content: center; }
    .lost-detail-feedback > .lost-reactions {
        display: grid;
        gap: 10px;
        width: 100%;
    }
    .lost-dialog-body { padding: 20px; }
    .lost-dialog-bar { padding: 14px 20px; }
    .lost-admin-summary { gap: 8px 16px; }
    .lost-admin-summary > div { justify-content: space-between; gap: 8px; }
    .lost-admin-summary dt { font-size: 12px; }
    .lost-admin-tabs { gap: 16px; }
    .lost-admin-search { gap: 16px 12px; padding: 20px 0; }
    .lost-admin-search input, .lost-admin-search select, .lost-word-form .lost-field input { min-width: 0; padding-inline: 8px; font-size: 16px; }
    .lost-admin-search .lost-field label, .lost-word-form .lost-field label { margin-bottom: 8px; }
    .lost-word-form { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .lost-word-foot { flex-wrap: wrap; }
    .lost-word-foot .lost-btn { margin-left: auto; }
    .lost-dialog[data-admin="true"] .lost-form-foot .lost-btn { flex: 1; }
    .lost-comment-form > div { flex-wrap: wrap; }
    .lost-comment-form .lost-btn { flex-shrink: 0; padding-inline: 14px; }
}
@media (prefers-reduced-motion: no-preference) {
    .lost-site .lost-btn { transition: background-color 150ms; }
    .lost-loading-track > span { animation: lost-loading-progress 1s ease-in-out infinite alternate; }
}
@keyframes lost-loading-progress {
    from { transform: translateX(-30%); }
    to { transform: translateX(155%); }
}