/* kidrun — 공통 테마 (스카이블루, 둥근 카드, 사이드바)
   참고: pickcare(부드러운 보육 톤) + foreducator Workmate(도구 카드 UX) */
:root {
    --primary: #4A90D9;
    --primary-dark: #3A78BD;
    --primary-soft: #EAF2FB;
    --bg: #F5F7FA;
    --card: #FFFFFF;
    --text: #2B2F36;
    --muted: #8A93A2;
    --border: #E5E9F0;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(40,60,90,.06), 0 4px 16px rgba(40,60,90,.05);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Pretendard", "Malgun Gothic", -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.02em;   /* 자간 약 -2% (제목·본문 공통) */
}
h1, h2, h3, .page-head h1, .login-card .brand { letter-spacing: -0.03em; }  /* 제목은 조금 더 타이트(-3%) */
a { color: inherit; text-decoration: none; }

/* ---- 상단 가로 메뉴 ---- */
.topnav {
    display: flex; align-items: center; gap: 16px;
    background: var(--card); border-bottom: 1px solid var(--border);
    padding: 0 24px; height: 64px; position: sticky; top: 0; z-index: 20;
}
.topnav .brand { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.topnav .brand img.logo-ico { height: 48px; }
.topnav .brand img.logo-word { height: 48px; }
.nav { display: flex; align-items: center; gap: 2px; flex: 1; flex-wrap: wrap; }
.nav-item {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 11px; border-radius: 9px;
    color: #4a5160; font-size: 14px; font-weight: 600; white-space: nowrap;
}
.nav-item:hover { background: var(--primary-soft); color: var(--primary-dark); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item img.ico { width: 22px; height: 22px; object-fit: contain; }
.nav-sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }
.user { display: flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 13px; color: var(--muted); }
.page-head h1 img.head-ico { height: 30px; vertical-align: -7px; margin-right: 6px; }

/* ---- 도구 메뉴 호버 드롭다운 (반 선택) ---- */
.nav-drop { position: relative; display: inline-flex; }
.nav-drop .caret { font-size: 10px; opacity: .65; }
.nav-menu {
    display: none; position: absolute; left: 0; top: 100%; margin-top: 2px; min-width: 150px;
    background: var(--card); border: 1px solid var(--border); border-radius: 10px;
    box-shadow: var(--shadow); padding: 6px; z-index: 40;
}
/* 라벨~메뉴 사이 hover 끊김 방지(투명 다리) */
.nav-drop::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 6px; }
.nav-drop:hover .nav-menu { display: block; }
.nav-menu a {
    display: block; padding: 8px 12px; border-radius: 7px;
    font-size: 13px; font-weight: 600; color: #4a5160; white-space: nowrap;
}
.nav-menu a:hover { background: var(--primary-soft); color: var(--primary-dark); }
.nav-menu-empty { display: block; padding: 8px 12px; font-size: 12px; color: var(--muted); }

.page { min-height: calc(100vh - 64px); }
.content { padding: 28px; max-width: 1160px; margin: 0 auto; }

@media (max-width: 720px) {
    .topnav { height: auto; flex-wrap: wrap; padding: 10px 16px; }
    .nav { order: 3; width: 100%; }
}

/* ---- 대시보드 통계 패널 (접기/가로/스크롤 애니메이션) ---- */
.stat-panel {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 16px 20px; margin-bottom: 16px;
}
.stat-panel > summary {
    cursor: pointer; font-weight: 700; font-size: 16px; list-style: none;
    display: flex; align-items: center; gap: 8px;
}
.stat-panel > summary::-webkit-details-marker { display: none; }
.stat-panel > summary img.h2-ico { height: 22px; }
.stat-panel > summary .count { color: var(--muted); font-size: 13px; font-weight: 600; }
.stat-panel > summary .arrow { margin-left: auto; color: var(--muted); transition: transform .2s; }
.stat-panel[open] > summary .arrow { transform: rotate(180deg); }
.stat-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.stat-chip {
    display: flex; flex-direction: column; gap: 5px; min-width: 150px;
    background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px;
}
.stat-chip .cname { font-weight: 700; font-size: 14px; }
.stat-chip .cval { font-size: 13px; color: var(--muted); }

/* ---- 우리반 아이 카드 (접기/펼치기) ---- */
.student-item {
    border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px;
}
.student-item > summary {
    cursor: pointer; list-style: none; padding: 14px;
    display: flex; align-items: center; gap: 10px; font-weight: 700;
}
.student-item > summary::-webkit-details-marker { display: none; }
.student-item > summary .student-name { font-size: 15px; }
.student-item > summary .count { color: var(--muted); font-size: 13px; font-weight: 600; }
.student-item > summary .arrow { margin-left: auto; color: var(--muted); transition: transform .2s; }
.student-item[open] > summary { border-bottom: 1px solid var(--border); }
.student-item[open] > summary .arrow { transform: rotate(180deg); }
.student-item .student-body { padding: 14px; }

/* 스크롤 등장 애니메이션 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .55s ease, transform .55s ease; }
.reveal.show { opacity: 1; transform: none; }

/* ---- 페이지 헤더 ---- */
.page-head { margin-bottom: 22px; }
.page-head h1 { margin: 0 0 6px; font-size: 24px; }
.page-head p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---- 도구 카드 그리드 ---- */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.tool-card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 22px; box-shadow: var(--shadow); transition: transform .12s, box-shadow .12s;
    display: flex; flex-direction: column; gap: 10px;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(40,60,90,.10); }
.tool-card .emoji {
    width: 46px; height: 46px; border-radius: 12px; background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.tool-card .emoji img { width: 34px; height: 34px; object-fit: contain; }
.card h2 img.h2-ico { height: 22px; vertical-align: -5px; margin-right: 4px; }
.tool-card h3 { margin: 4px 0 0; font-size: 16px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; flex: 1; }
.tool-card .go { color: var(--primary); font-weight: 700; font-size: 13px; }
.tool-card.soon { opacity: .6; }
.badge-soon { font-size: 11px; background: #f0f0f3; color: #999; padding: 2px 8px; border-radius: 20px; align-self: flex-start; }

/* ---- 카드(일반) ---- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; margin-bottom: 18px; }
.card h2 { margin: 0 0 16px; font-size: 17px; }
.card-split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 820px) { .card-split { grid-template-columns: 1fr; } }

/* ---- 폼 ---- */
label.fld { display: block; margin: 14px 0 6px; font-weight: 600; font-size: 13px; }
input[type=text], input[type=number], input[type=date], input[type=month], input[type=datetime-local], select, textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px;
    font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* ---- 버튼 ---- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 9px; border: 0; cursor: pointer; font-size: 14px; font-weight: 700; font-family: inherit; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: var(--primary-soft); color: var(--primary-dark); }
.btn-ghost:hover { background: #dceaf9; }
.btn-line { background: #fff; border: 1px solid var(--border); color: #4a5160; }
.btn-danger { background: #fde8e8; color: #d64545; }
.btn-row { display: flex; gap: 10px; margin-top: 18px; }

/* ---- 테이블 ---- */
table.tbl { border-collapse: collapse; width: 100%; }
table.tbl th, table.tbl td { border-bottom: 1px solid var(--border); padding: 11px 12px; text-align: left; font-size: 14px; }
table.tbl th { background: #fafbfc; color: var(--muted); font-weight: 600; font-size: 12px; }
table.tbl tr:hover td { background: #fafcff; }

/* ---- 기타 ---- */
.flash { background: #e7f6ec; color: #1f8a4c; border: 1px solid #c3e9d1; padding: 12px 16px; border-radius: 9px; margin-bottom: 18px; font-size: 14px; }
.tag { display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 20px; background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }
.tag.infant { background: #fdeede; color: #c97b1e; }
.tag.toddler { background: #e6f0ff; color: #3a78bd; }
.muted { color: var(--muted); }
.gen-output { background: var(--primary-soft); border: 1px dashed var(--primary); border-radius: 9px; padding: 4px; }
.gen-output textarea { background: #fff; border: 0; }

/* ---- 월/주차 선택 버튼 (보육일지 기간) ---- */
.pick-grid { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 4px; }
.pick-btn {
    min-width: 52px; padding: 9px 14px; border: 1px solid var(--border); border-radius: 9px;
    background: #fff; color: #4a5160; font-size: 14px; font-weight: 600; cursor: pointer;
    font-family: inherit; transition: background .12s, border-color .12s, color .12s;
}
.pick-btn:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary-dark); }
.pick-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 레이아웃 마스터(구글 시트 양식) 렌더 표 */
.layout-sheet { border-collapse: collapse; background: #fff; }
.layout-sheet td { vertical-align: middle; }