/* ═══════════════════════════════════════════════
   ODO教室 design system
   白底 / 墨黑 / 招牌黃 #FFD200 / 深紅 #C30A14
   粗黑框・硬陰影・半調網點・斜紋膠帶・跑馬燈
   ═══════════════════════════════════════════════ */
:root {
  --paper: #ffffff;
  --paper-warm: #faf7ef;
  --ink: #111111;
  --ink-soft: #222222;
  --yellow: #ffd200;
  --red: #c30a14;
  --gray: #6b6b6b;
  --line: #111111;
  --shadow: 6px 6px 0 rgba(17, 17, 17, 1);
  --shadow-sm: 4px 4px 0 rgba(17, 17, 17, 1);
  --font-display: "Oswald", "Noto Sans TC", sans-serif;
  --font-body: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* 半調網點背景 */
.halftone {
  background-image: radial-gradient(rgba(17,17,17,.14) 1.2px, transparent 1.2px);
  background-size: 14px 14px;
}

/* ── Header ─────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);
  border-bottom: 3px solid var(--ink);
}
.site-header .inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
}
.logo {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.5rem; letter-spacing: .02em; line-height: 1;
}
.logo .odo {
  background: var(--yellow); padding: 4px 8px;
  border: 3px solid var(--ink); box-shadow: 3px 3px 0 var(--ink);
}
.logo .cls { font-family: var(--font-body); font-weight: 900; font-size: 1.25rem; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-weight: 700; font-size: .85rem; padding: 8px 10px;
  border: 3px solid transparent;
}
.nav a:hover { border-color: var(--ink); background: var(--yellow); }
.nav a.cta {
  background: var(--red); color: #fff; border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink); margin-left: 6px;
}
.nav a.cta:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--ink); background: var(--red); }
@media (max-width: 640px) {
  .nav a:not(.cta) { display: none; }
  .logo { font-size: 1.3rem; }
}

/* ── 跑馬燈 ─────────────────────────── */
.marquee {
  background: var(--ink); color: var(--yellow);
  overflow: hidden; white-space: nowrap;
  border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink);
  padding: 8px 0;
}
.marquee .track {
  display: inline-block;
  font-family: var(--font-display); font-weight: 700;
  font-size: .95rem; letter-spacing: .18em;
  animation: scroll 22s linear infinite;
}
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee.invert { background: var(--yellow); color: var(--ink); }
.marquee.quotes .track {
  font-family: var(--font-body); font-weight: 700;
  letter-spacing: .08em; animation-duration: 90s;
}

/* ── Hero ─────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  border-bottom: 3px solid var(--ink);
  background: var(--paper-warm);
}
.hero .inner {
  max-width: 1080px; margin: 0 auto;
  padding: 64px 16px 72px; position: relative;
}
.hero .burst {
  position: absolute; right: -120px; top: -120px;
  width: 460px; height: 460px; border-radius: 50%;
  background: var(--yellow);
  border: 3px solid var(--ink);
  z-index: 0;
}
.hero .burst::after {
  content: ""; position: absolute; inset: 24px; border-radius: 50%;
  background-image: radial-gradient(rgba(17,17,17,.25) 1.5px, transparent 1.5px);
  background-size: 12px 12px;
}
.hero h1 {
  position: relative; z-index: 1;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(3.2rem, 10vw, 6.5rem);
  line-height: .95; letter-spacing: .01em;
  text-transform: uppercase;
}
.hero h1 .row2 {
  display: block; font-family: var(--font-body); font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.6rem); margin-top: 8px;
}
.hero h1 .hl { background: var(--yellow); padding: 0 10px; border: 3px solid var(--ink); box-shadow: var(--shadow-sm); display: inline-block; }
.hero p.tagline {
  position: relative; z-index: 1;
  margin-top: 22px; font-size: 1.05rem; font-weight: 700; color: var(--ink-soft);
}
.hero .actions { position: relative; z-index: 1; margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; font-weight: 900; font-size: 1rem;
  border: 3px solid var(--ink); padding: 14px 26px;
  box-shadow: var(--shadow-sm); cursor: pointer;
  transition: transform .12s, box-shadow .12s;
  font-family: var(--font-body); background: #fff; color: var(--ink);
}
.btn:hover { transform: translate(-2px,-2px); box-shadow: var(--shadow); }
.btn:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--ink); }
.btn.red { background: var(--red); color: #fff; }
.btn.yellow { background: var(--yellow); }
.sticker {
  position: absolute; z-index: 1; right: 8%; bottom: 18px;
  background: #fff; border: 3px solid var(--ink); box-shadow: var(--shadow-sm);
  font-weight: 900; font-size: .9rem; padding: 8px 14px;
  transform: rotate(-6deg);
}
.sticker .dot { color: var(--red); }
@media (max-width: 640px) {
  .hero .burst { width: 300px; height: 300px; right: -110px; top: -80px; }
  .sticker { display: none; }
}

/* ── 區塊標題 ─────────────────────────── */
.section { max-width: 1080px; margin: 0 auto; padding: 56px 16px; }
.sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 28px; flex-wrap: wrap; }
.sec-head .en {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 2.2rem; letter-spacing: .04em;
}
.sec-head .zh {
  font-weight: 900; font-size: 1.05rem; background: var(--ink); color: #fff;
  padding: 4px 12px; transform: translateY(-4px);
}

/* ── 專區卡片 ─────────────────────────── */
.zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .zones { grid-template-columns: 1fr; } }
.zone-card {
  position: relative; background: #fff;
  border: 3px solid var(--ink); box-shadow: var(--shadow);
  padding: 26px 22px 24px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .12s, box-shadow .12s;
  overflow: hidden;
}
a.zone-card:hover { transform: translate(-3px,-3px); box-shadow: 9px 9px 0 var(--ink); }
.zone-card .no {
  font-family: var(--font-display); font-weight: 700; font-size: .9rem;
  letter-spacing: .2em; color: var(--gray);
}
.zone-card h3 { font-size: 1.45rem; font-weight: 900; }
.zone-card .en-sub {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  letter-spacing: .12em; font-size: .85rem; color: var(--red);
}
.zone-card p { font-size: .92rem; color: var(--ink-soft); line-height: 1.7; }
.zone-card .go {
  margin-top: auto; align-self: flex-start;
  font-weight: 900; font-size: .95rem;
  background: var(--yellow); border: 3px solid var(--ink);
  padding: 8px 16px; box-shadow: 3px 3px 0 var(--ink);
}
.zone-card.open .badge-open {
  position: absolute; top: 14px; right: -34px; transform: rotate(35deg);
  background: var(--red); color: #fff; font-weight: 900; font-size: .78rem;
  padding: 4px 40px; border: 2px solid var(--ink); letter-spacing: .1em;
}
.zone-card.soon { background: var(--paper-warm); }
.zone-card.soon h3, .zone-card.soon p, .zone-card.soon .no { color: #9a9a9a; }
.tape {
  margin-top: auto; align-self: stretch; text-align: center;
  font-family: var(--font-display); font-weight: 700; letter-spacing: .22em;
  color: var(--ink); font-size: .9rem; padding: 9px 0;
  border: 3px solid var(--ink);
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, var(--ink) 14px 17px, var(--yellow) 17px 28px);
  text-shadow: 0 0 6px var(--yellow), 0 0 2px var(--yellow);
}

/* ── About 帶狀區 ─────────────────────────── */
.about-band {
  background: var(--ink); color: #fff;
  border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink);
}
.about-band .section { padding: 48px 16px; }
.about-band .sec-head .zh { background: var(--yellow); color: var(--ink); }
.about-band p { line-height: 2; max-width: 640px; font-size: .98rem; }
.about-band .hl-y { color: var(--yellow); font-weight: 900; }

/* ── Footer ─────────────────────────── */
.site-footer { background: var(--ink); color: #fff; padding: 34px 16px; }
.site-footer .inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.site-footer .f-logo { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.site-footer .f-logo span { color: var(--yellow); }
.site-footer small { color: #bbb; }

/* ═══════════════════════════════════════════════
   家長專區：排課月曆
   ═══════════════════════════════════════════════ */
.page-title-band { background: var(--yellow); border-bottom: 3px solid var(--ink); }
.page-title-band .inner {
  max-width: 1080px; margin: 0 auto; padding: 34px 16px;
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
}
.page-title-band .en {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 2.4rem; line-height: 1;
}
.page-title-band .zh { font-weight: 900; font-size: 1.1rem; background: var(--ink); color: var(--yellow); padding: 4px 12px; }

.parent-tools { display: grid; grid-template-columns: 1fr; gap: 22px; max-width: 820px; margin: 0 auto; }

.panel {
  background: #fff; border: 3px solid var(--ink); box-shadow: var(--shadow);
}
.panel .panel-head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 3px solid var(--ink); padding: 12px 14px;
  background: var(--paper-warm);
}
.panel .panel-head h2 { font-size: 1.05rem; font-weight: 900; }
.panel .panel-head .en-tag {
  font-family: var(--font-display); font-weight: 700; font-size: .75rem;
  letter-spacing: .18em; color: var(--red); text-transform: uppercase;
}
.panel .panel-body { padding: 14px; }

/* 月曆 */
.cal-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.cal-nav h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; letter-spacing: .05em; }
.cal-nav button {
  border: 3px solid var(--ink); background: #fff; width: 40px; height: 40px;
  font-size: 1.2rem; font-weight: 900; cursor: pointer; box-shadow: 3px 3px 0 var(--ink);
}
.cal-nav button:hover { background: var(--yellow); }
.cal-nav button:active { transform: translate(2px,2px); box-shadow: 0 0 0 var(--ink); }
.grid7 { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.dow { text-align: center; font-weight: 900; font-size: .75rem; padding: 5px 0; }
.dow.sun { color: var(--red); }
.day {
  min-height: 82px; border: 2px solid var(--ink); background: #fff;
  padding: 4px; cursor: pointer; position: relative;
  display: flex; flex-direction: column; gap: 2px; overflow: hidden;
  transition: transform .1s, box-shadow .1s;
}
.day:hover { transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--ink); z-index: 1; }
.day.blank { border: none; background: transparent; cursor: default; box-shadow: none !important; transform: none !important; }
.day.past { background: repeating-linear-gradient(-45deg, #f1f1f1 0 8px, #e6e6e6 8px 16px); color: #aaa; cursor: default; }
.day.past:hover { transform: none; box-shadow: none; }
.day .num { font-family: var(--font-display); font-weight: 700; font-size: .95rem; }
.day.today { outline: 3px solid var(--yellow); outline-offset: -3px; }
.day.today .num {
  background: var(--ink); color: var(--yellow);
  padding: 0 6px; display: inline-block;
}
.chip {
  font-size: .62rem; color: #fff; padding: 1px 4px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.5;
  border-radius: 3px;
}
.more { font-size: .62rem; color: var(--gray); font-weight: 700; }
.full-tag {
  position: absolute; top: 2px; right: 2px;
  background: var(--red); color: #fff; font-size: .6rem; font-weight: 900; padding: 1px 5px;
}
.legend { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.legend .chip { font-size: .74rem; padding: 3px 10px; border-radius: 999px; }
.cal-hint { margin-top: 10px; font-size: .8rem; color: var(--gray); font-weight: 500; }

/* 餘額卡（coming soon） */
.balance-card .panel-body { display: flex; flex-direction: column; gap: 12px; }
.balance-card .amount {
  font-family: var(--font-display); font-weight: 700; font-size: 2.6rem;
  color: #c9c9c9; letter-spacing: .03em;
}
.balance-card p { font-size: .88rem; color: var(--gray); line-height: 1.8; }

/* ── 彈出面板（時段/表單）─────────────── */
.overlay {
  position: fixed; inset: 0; background: rgba(17,17,17,.55);
  display: none; align-items: flex-end; justify-content: center; z-index: 50;
}
.overlay.show { display: flex; }
.sheet {
  background: #fff; width: 100%; max-width: 520px;
  border: 3px solid var(--ink); border-bottom: none;
  box-shadow: 0 -6px 0 rgba(17,17,17,.35);
  padding: 18px 16px 30px; max-height: 88vh; overflow-y: auto;
}
@media (min-width: 560px) {
  .overlay { align-items: center; }
  .sheet { border-bottom: 3px solid var(--ink); box-shadow: 8px 8px 0 rgba(17,17,17,.9); }
}
.sheet h3 { font-size: 1.1rem; font-weight: 900; margin-bottom: 14px; }
.sheet h3 .en {
  font-family: var(--font-display); color: var(--red); font-size: .75rem;
  letter-spacing: .2em; display: block; text-transform: uppercase; margin-bottom: 2px;
}
.sheet .close {
  float: right; border: 3px solid var(--ink); background: #fff;
  width: 34px; height: 34px; font-size: 1rem; font-weight: 900; cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
}
.sheet .close:hover { background: var(--red); color: #fff; }
.slot-row {
  display: flex; align-items: center; justify-content: space-between;
  border: 2px solid var(--ink); padding: 10px 12px; margin-bottom: 8px; background: #fff;
}
.slot-row .time { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; letter-spacing: .05em; }
.slot-row .taken-chip { font-size: .8rem; padding: 3px 12px; border-radius: 999px; color: #fff; font-weight: 700; }
.slot-row button.book {
  border: 3px solid var(--ink); background: var(--yellow); color: var(--ink);
  padding: 6px 18px; font-size: .88rem; cursor: pointer; font-weight: 900;
  box-shadow: 3px 3px 0 var(--ink); font-family: var(--font-body);
}
.slot-row button.book:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--ink); }
.slot-row button.book:active { transform: translate(2px,2px); box-shadow: 0 0 0 var(--ink); }
.slot-row.past-slot { opacity: .45; }
.slot-row.past-slot .time::after { content: "（已過）"; font-size: .7rem; color: var(--gray); font-weight: 400; font-family: var(--font-body); }

/* 表單 */
form.book-form label { display: block; font-size: .85rem; font-weight: 900; margin: 14px 0 6px; }
form.book-form label .req { color: var(--red); }
form.book-form input, form.book-form textarea {
  width: 100%; border: 3px solid var(--ink); padding: 11px 12px;
  font-size: 1rem; font-family: var(--font-body); background: #fff;
}
form.book-form input:focus, form.book-form textarea:focus {
  outline: none; box-shadow: 4px 4px 0 var(--yellow);
}
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.form-actions .btn { flex: 1; text-align: center; padding: 13px 0; }
.msg { margin-top: 12px; font-size: .9rem; font-weight: 700; display: none; }
.msg.err { color: var(--red); display: block; }
.msg.ok { color: #0a7a43; display: block; }
.selected-slot-banner {
  background: var(--yellow); border: 3px solid var(--ink); box-shadow: var(--shadow-sm);
  font-weight: 900; padding: 12px 14px; font-size: 1rem;
}
.loading { text-align: center; color: var(--gray); padding: 30px 0; grid-column: 1 / -1; font-weight: 700; }

/* ── 管理頁 ─────────────────────────── */
.admin-wrap { max-width: 960px; margin: 0 auto; padding: 24px 16px 60px; }
.admin-login { display: flex; gap: 10px; margin: 18px 0; }
.admin-login input {
  flex: 1; padding: 11px 12px; border: 3px solid var(--ink); font-size: 1rem; font-family: var(--font-body);
}
.admin-login input:focus { outline: none; box-shadow: 4px 4px 0 var(--yellow); }
.admin-table-card { background: #fff; border: 3px solid var(--ink); box-shadow: var(--shadow); overflow-x: auto; }
.admin-table-card table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 660px; }
.admin-table-card th, .admin-table-card td { padding: 10px 12px; text-align: left; border-bottom: 2px solid #eee; }
.admin-table-card th {
  background: var(--ink); color: var(--yellow); font-weight: 700; white-space: nowrap;
  font-family: var(--font-display); letter-spacing: .08em;
}
.del-btn {
  border: 2px solid var(--ink); background: #fff; color: var(--red);
  padding: 4px 12px; cursor: pointer; font-size: .8rem; font-weight: 900;
  box-shadow: 2px 2px 0 var(--ink);
}
.del-btn:hover { background: var(--red); color: #fff; }
.count-tag { color: var(--gray); font-size: .85rem; font-weight: 700; margin: 0 0 10px; }

/* ── 選擇列（學生／課程下拉）─────────────── */
.picker-row { display: flex; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.picker { flex: 1; min-width: 180px; }
.picker > label { display: block; font-size: .8rem; font-weight: 900; margin-bottom: 6px; }
.dd { position: relative; }
.dd-btn {
  width: 100%; display: flex; align-items: center; gap: 8px;
  border: 3px solid var(--ink); background: #fff; padding: 10px 12px;
  font-size: .95rem; font-weight: 900; cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink); font-family: var(--font-body);
  text-align: left;
}
.dd-btn:hover { background: var(--paper-warm); }
.dd-btn .ph { color: var(--gray); }
.dd-btn .arr { margin-left: auto; font-size: .8rem; }
.dd-list {
  display: none; position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 30;
  background: #fff; border: 3px solid var(--ink); box-shadow: var(--shadow-sm);
  max-height: 300px; overflow-y: auto;
}
.dd-list.show { display: block; }
.dd-item {
  width: 100%; display: flex; align-items: center; gap: 8px;
  border: none; border-bottom: 2px solid #eee; background: #fff;
  padding: 11px 12px; font-size: .95rem; font-weight: 700; cursor: pointer;
  font-family: var(--font-body); text-align: left;
}
.dd-item:last-child { border-bottom: none; }
.dd-item:hover { background: var(--yellow); }
.dd-item.disabled { color: #b5b5b5; cursor: not-allowed; background: var(--paper-warm); }
.dd-item.disabled:hover { background: var(--paper-warm); }
.dd-item .note { margin-left: auto; font-size: .7rem; color: var(--gray); font-weight: 500; }
.dot { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--ink); flex: none; }
.sym {
  font-family: var(--font-display); font-weight: 700; color: var(--red);
  width: 18px; text-align: center; flex: none;
}

/* ── 半小時分段條 ─────────────── */
.seg-row { padding: 8px 10px; gap: 10px; }
.seg-row .time { min-width: 52px; }
.halves { display: flex; flex: 1; gap: 4px; }
.half {
  flex: 1; min-height: 34px; display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 900; color: #fff;
  border: 2px solid var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.half.free { background: #f4f4f4; border-style: dashed; border-color: #bbb; }
.half.mk-bar {
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 12px, var(--ink) 12px 15px, var(--yellow) 15px 24px);
  color: var(--ink); text-shadow: 0 0 5px var(--yellow), 0 0 2px var(--yellow);
}
.slot-row.clickable { cursor: pointer; }
.slot-row.clickable:hover { background: var(--paper-warm); box-shadow: 3px 3px 0 var(--ink); }
.slot-row.row-locked { opacity: .75; cursor: default; }
.cycle-hint {
  font-size: .82rem; color: var(--ink-soft); background: var(--paper-warm);
  border: 2px dashed var(--ink); padding: 8px 10px; margin-bottom: 10px;
}
.cycle-hint b { color: var(--red); }
.month-banner {
  background: var(--red); color: #fff; font-weight: 900; font-size: .9rem;
  border: 3px solid var(--ink); box-shadow: var(--shadow-sm);
  padding: 10px 12px; margin-bottom: 14px; text-align: center;
}
.chip.mk {
  background: var(--ink); color: var(--yellow);
}

/* ── 屏蔽時段 ─────────────── */
.half.blocked {
  background: repeating-linear-gradient(-45deg, #e9e9e9 0 8px, #c9c9c9 8px 16px);
  color: #666; border-style: solid; border-color: #999;
  font-size: .68rem;
}
.mode-toggle {
  border: 3px solid var(--ink); background: #fff; color: var(--ink);
  font-weight: 900; font-size: .8rem; padding: 6px 12px; cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink); font-family: var(--font-body);
}
.mode-toggle.on { background: var(--red); color: #fff; }
.mode-toggle:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--ink); }
.blk-form {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px;
}
.blk-form input[type="month"], .blk-form select {
  border: 3px solid var(--ink); background: #fff; padding: 8px 10px;
  font-size: .9rem; font-weight: 700; font-family: var(--font-body);
}
.blk-form .blk-sep { font-weight: 900; }
.blk-form .btn { padding: 9px 18px; font-size: .9rem; }
.rule-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 2px solid var(--ink); background: var(--paper-warm);
  padding: 8px 12px; margin-bottom: 8px; font-size: .9rem; font-weight: 700;
  flex-wrap: wrap;
}

/* ── 關聯學生勾選 ─────────────── */
.kids-checks { display: flex; flex-wrap: wrap; gap: 8px; }
.kid-check {
  display: inline-flex; align-items: center; gap: 6px;
  border: 2px solid var(--ink); background: #fff; padding: 6px 12px;
  font-size: .85rem; font-weight: 700; cursor: pointer; user-select: none;
}
.kid-check:has(input:checked) { background: var(--yellow); box-shadow: 2px 2px 0 var(--ink); }
.kid-check input { accent-color: var(--ink); }

/* ── 預約確認 ─────────────── */
.badge-new {
  background: var(--red); color: #fff; font-weight: 900; font-size: .72rem;
  padding: 3px 8px; white-space: nowrap; border: 2px solid var(--ink);
}
.badge-ok { color: #0a7a43; font-weight: 700; font-size: .78rem; white-space: nowrap; }
.dur-tag {
  margin-left: 6px; background: var(--ink); color: #fff;
  font-size: .68rem; font-weight: 900; padding: 2px 7px; border-radius: 999px;
}
.badge-cancel {
  background: #b45309; color: #fff; font-weight: 900; font-size: .72rem;
  padding: 3px 8px; white-space: nowrap; border: 2px solid var(--ink);
}
tr.row-cancel td { background: #fdeee4; }
tr.row-cancel s { color: #9a3412; }
.confirm-btn {
  border: 2px solid var(--ink); background: var(--yellow); color: var(--ink);
  padding: 4px 12px; cursor: pointer; font-size: .8rem; font-weight: 900;
  box-shadow: 2px 2px 0 var(--ink);
}
.confirm-btn:hover { transform: translate(-1px,-1px); box-shadow: 3px 3px 0 var(--ink); }
tr.row-new td { background: #fff8dc; }

/* ── 登入／帳號 ─────────────── */
.auth-input {
  width: 100%; border: 3px solid var(--ink); padding: 11px 12px;
  font-size: 1rem; font-family: var(--font-body); background: #fff;
}
.auth-input:focus { outline: none; box-shadow: 4px 4px 0 var(--yellow); }
.greet-box { display: flex; align-items: center; gap: 10px; }
.greet { font-weight: 900; font-size: .95rem; }
#logoutBtn {
  border: 2px solid var(--ink); background: #fff; color: var(--gray);
  font-size: .75rem; font-weight: 700; padding: 4px 10px; cursor: pointer;
  font-family: var(--font-body);
}
#logoutBtn:hover { background: var(--red); color: #fff; }
.chip.taken { background: #e4e4e4; color: #8d8d8d; }
.half.taken { background: #efefef; color: #9a9a9a; font-size: .72rem; border-color: #cfcfcf; }

/* ── 批量預約 ─────────────── */
.batch-box {
  border: 2px dashed var(--ink); background: var(--paper-warm);
  padding: 12px 14px; margin-bottom: 16px;
}
.batch-title {
  display: flex; align-items: center; gap: 10px;
  font-weight: 900; font-size: .95rem; margin-bottom: 8px;
}
.batch-result { margin-top: 4px; }
.batch-result .msg { margin-top: 8px; font-size: .85rem; line-height: 1.7; }

/* ── 開放月份切換 ─────────────── */
.month-toggles { display: flex; flex-wrap: wrap; gap: 10px; }
.mon-toggle {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 3px solid var(--ink); background: #f4f4f4; padding: 8px 14px;
  cursor: pointer; font-family: var(--font-body);
  box-shadow: 3px 3px 0 var(--ink);
}
.mon-toggle .ym { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.mon-toggle .st { font-size: .7rem; font-weight: 900; color: var(--gray); }
.mon-toggle.on { background: var(--yellow); }
.mon-toggle.on .st { color: var(--red); }
.mon-toggle:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--ink); }