/* sheet.css - v3.0 電子紀錄頁（escoresheet.html）。
   FIVB 記錄表式計分頁：擲硬幣・本局陣容・記錄表格線・換人暫停判罰・簽名。
   共用 base.css 的 tokens；格線盡量高對比、可讀。 */

.sheet {
  /* v3.1 隊伍色（主隊綠／客隊紅，與 live 頁一致） */
  --sheet-home: #2fd274;
  --sheet-home-soft: rgba(47, 210, 116, 0.16);
  --sheet-away: #ff5f5f;
  --sheet-away-soft: rgba(255, 95, 95, 0.16);
  max-width: 72rem;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: clamp(0.5rem, 2vw, 1rem);
  gap: 0.75rem;
}
/* team-accent tokens: JS 依當前左右隊伍加上 team-home／team-away */
.team-home { --team: var(--sheet-home); --team-soft: var(--sheet-home-soft); }
.team-away { --team: var(--sheet-away); --team-soft: var(--sheet-away-soft); }

/* ---- top bar ---- */
.sheet-topbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--c-bg);
  padding: 0.3rem 0;
}
.sheet-back {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-min);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-surface-alt);
  color: var(--c-text);
  text-decoration: none;
  white-space: nowrap;
}
.sheet-title { font-weight: 800; font-size: 1.1rem; flex: 1 1 auto; }
.sheet-status { font-size: 0.85rem; color: var(--c-ok); white-space: nowrap; }
.sheet-status.is-offline { color: var(--c-err); }
.sheet-pending { font-size: 0.85rem; color: var(--c-warn); font-family: var(--font-mono); }

.sheet-flash, .sheet-toast {
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  font-weight: 600;
}
.sheet-flash { background: var(--c-surface-alt); border: 1px solid var(--c-warn); }
.sheet-toast { background: var(--c-primary); color: var(--c-primary-ink); }

/* ---- buttons ---- */
.btn { background: var(--c-surface-alt); border: 1px solid var(--c-border); border-radius: var(--radius); }
.btn-primary { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-primary-ink); font-weight: 700; }

.sheet-error { color: var(--c-err); font-weight: 600; }
.sheet-banner {
  background: var(--c-surface-alt);
  border: 1px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  font-weight: 700;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
/* v3.4 一鍵換邊：banner 內的大鈕，與提示同一視線、拇指可及 */
.btn-changeside {
  margin-left: auto;
  min-height: clamp(48px, 7vh, 60px);
  min-width: 44%;
  font-size: 1.15rem;
  font-weight: 800;
  background: var(--c-primary);
  border: 2px solid var(--c-primary);
  color: var(--c-primary-ink);
}
.btn-changeside::before { content: "⇆ "; }

/* ============================ S0 list ============================ */
.sheet-list-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.sheet-matchlist { display: flex; flex-direction: column; gap: 0.5rem; }
.match-row {
  display: flex; align-items: center; gap: 0.75rem;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 0.5rem 0.75rem;
}
.match-teams { font-weight: 700; flex: 1 1 auto; }
.match-meta { color: var(--c-text-dim); font-size: 0.85rem; }
.sheet-create { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 0.5rem 0.75rem; }
.sheet-create summary { cursor: pointer; font-weight: 700; }
.sheet-create-form { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.75rem; }
.create-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.create-team { display: flex; flex-direction: column; gap: 0.4rem; }
.create-team h3 { font-size: 0.95rem; }
.create-team input, .create-team textarea { width: 100%; }
.create-opts { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: end; }
.create-opts label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.85rem; }
@media (max-width: 640px) { .create-grid { grid-template-columns: 1fr; } }

/* ============================ S1 coin ============================ */
.coin-step { margin: 0.5rem 0; }
.coin-step-label { font-weight: 700; margin-bottom: 0.3rem; }
.coin-btns { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.coin-opt { flex: 1 1 8rem; }
.coin-opt.is-selected { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-primary-ink); font-weight: 700; }
.coin-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; }

/* ============================ S2 lineup ========================== */
.lineup-teams { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.lineup-team { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 0.6rem; display: flex; flex-direction: column; gap: 0.5rem; }
.lineup-zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; }
.lineup-zone { display: flex; flex-direction: column; gap: 0.15rem; font-size: 0.8rem; }
.lineup-zone > span { font-weight: 700; color: var(--c-primary); }
.lineup-select, .libero-select, .libero2-select { width: 100%; }
.lineup-liberos { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.lineup-liberos label { display: flex; flex-direction: column; gap: 0.15rem; font-size: 0.8rem; flex: 1 1 40%; }
.lineup-ok { color: var(--c-ok); font-weight: 700; }
.lineup-firstserve { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-top: 0.75rem; }
.lineup-firstserve label { display: inline-flex; gap: 0.3rem; align-items: center; }
.lineup-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
@media (max-width: 640px) { .lineup-teams { grid-template-columns: 1fr; } }

/* ============================ S3 操作區（頂部常駐） ============== */
.sheet-ops-area {
  position: sticky;
  top: 0;                 /* JS syncStickyOffset 依 topbar 高度覆寫 */
  z-index: 4;
  background: var(--c-bg);
  padding-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ---- scorebar：大比分＋發球方大標示＋已得局珠 ---- */
.sheet-scorebar {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch;
  gap: 0.5rem; background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 0.45rem 0.6rem;
}
.sb-team {
  display: flex; align-items: center; gap: 0.5rem; min-width: 0;
  border: 2px solid transparent; border-radius: var(--radius);
  padding: 0.3rem 0.55rem; transition: opacity 0.15s ease, border-color 0.15s ease;
}
.sb-right { justify-content: flex-end; }
.sb-team.is-serving { border-color: var(--team, var(--c-primary)); background: var(--team-soft, transparent); }
.sb-team.is-idle { opacity: 0.5; }
.sb-dot { width: 0.85rem; height: 0.85rem; border-radius: 50%; flex: 0 0 auto; background: var(--team, var(--c-text-dim)); }
.sb-name {
  font-weight: 800; font-size: clamp(0.95rem, 2.6vw, 1.2rem);
  color: var(--team, var(--c-text)); min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sb-serve { color: var(--team, var(--c-primary)); font-weight: 800; font-size: 0.9rem; white-space: nowrap; flex: 0 0 auto; }
.sb-score {
  font-size: clamp(3rem, 12vw, 5.5rem); line-height: 1; font-weight: 900;
  font-variant-numeric: tabular-nums; flex: 0 0 auto;
}
.sb-left .sb-score { margin-left: auto; }
.sb-right .sb-score { margin-right: auto; }
.sb-center { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.2rem; padding: 0 0.2rem; }
.sb-setno { font-weight: 800; font-size: 1.05rem; white-space: nowrap; }
.sb-beads { display: inline-flex; align-items: center; gap: 0.28rem; }
.sb-bead { width: 0.6rem; height: 0.6rem; border-radius: 50%; border: 2px solid var(--team, var(--c-border)); background: transparent; }
.sb-bead.is-won { background: var(--team, var(--c-primary)); }
.sb-bead-sep { color: var(--c-text-dim); font-weight: 700; }
.sb-sets { font-family: var(--font-mono); color: var(--c-text-dim); font-size: 0.85rem; }
.sb-serving { color: var(--c-primary); font-size: 0.78rem; font-weight: 700; text-align: center; }

/* ---- 輪轉列：兩隊 I–VI 當前在場背號，發球位強高亮 ---- */
.sheet-rotation {
  display: flex; flex-direction: column; gap: 0.35rem;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 0.4rem 0.55rem;
}
.rot-team { display: flex; align-items: center; gap: 0.5rem; }
.rot-teamname {
  flex: 0 0 4.5rem; font-weight: 700; font-size: 0.82rem; color: var(--team, var(--c-text));
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rot-cells { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.3rem; flex: 1 1 auto; }
.rot-cell {
  display: flex; flex-direction: column; align-items: center; gap: 0.05rem;
  border: 2px solid var(--c-border); border-radius: 6px; padding: 0.18rem 0.1rem;
  background: var(--c-surface-alt);
}
.rot-roman { font-size: 0.6rem; color: var(--c-text-dim); font-weight: 700; line-height: 1.1; }
.rot-num { font-size: 1.05rem; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.1; }
.rot-cell.rot-serve {
  border-color: var(--team, var(--c-primary));
  background: var(--team-soft, rgba(246, 185, 59, 0.2));
  box-shadow: 0 0 0 2px var(--team, var(--c-primary)) inset;
}
.rot-cell.rot-serve .rot-num { color: var(--team, var(--c-primary)); }
.rot-cell.rot-serve .rot-roman::after { content: " ●"; color: var(--team, var(--c-primary)); }

/* ---- 大得分鍵（各半排，高度 ≥80px，隊色點綴） ---- */
.sheet-ops { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.btn-score {
  min-height: clamp(80px, 13vh, 108px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.2rem; border: 3px solid var(--team, var(--c-primary)); border-radius: 12px;
  background: var(--team-soft, var(--c-surface-alt)); font-weight: 800;
}
.btn-score:active { filter: brightness(1.15); }
.btn-score-name { font-size: clamp(1rem, 3.2vw, 1.35rem); font-weight: 800; color: var(--team, var(--c-text)); }
.btn-score-plus { font-size: clamp(1.4rem, 5vw, 2rem); font-weight: 900; color: var(--team, var(--c-primary)); }

/* ---- 復原鍵（警示色系，與得分鍵區隔） ---- */
.sheet-undo-row { display: flex; }
.btn-undo {
  flex: 1 1 auto; min-height: 52px; font-weight: 800; font-size: 1.05rem;
  color: var(--c-warn); background: rgba(246, 185, 59, 0.12); border: 2px solid var(--c-warn);
}
.btn-undo::before { content: "↶ "; font-weight: 900; }
.btn-undo:active { filter: brightness(1.15); }

/* ---- 動作鍵一排（圖示＋文字；disabled 明顯灰） ---- */
.sheet-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr)); gap: 0.4rem; }
.sheet-actions .btn { min-height: 52px; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 0.35rem; }
.act-sub::before { content: "⇄"; font-weight: 900; }
.act-to::before { content: "⏱"; }
.act-sanction::before { content: "▮"; color: var(--c-err); }
.act-challenge::before { content: "⚑"; }
.sheet-util { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.sheet-util .btn { flex: 1 1 auto; min-height: 44px; }
#btn-correct::before { content: "✎ "; }
#btn-swap::before { content: "⇆ "; }
#btn-scoresheet-pdf::before { content: "🖹 "; }
.sheet-actions .btn:disabled, .sheet-util .btn:disabled, .btn-score:disabled {
  opacity: 0.4; filter: grayscale(0.55); border-style: dashed;
}
/* v3.4 額度用盡（FIVB 15.11.1.4）：仍可按，但按下去是「不當要求」流程而不是
   暫停——外觀必須和可用的鈕明顯不同，又不能長得像 :disabled。 */
.sheet-actions .btn.is-exhausted {
  border-style: dashed; border-color: var(--c-warn); color: var(--c-warn);
  filter: grayscale(0.35);
}
@media (max-width: 560px) { .sb-serve { display: none; } }

.sheet-synclist { background: var(--c-surface); border: 1px dashed var(--c-warn); border-radius: var(--radius); padding: 0.5rem 0.75rem; }
.synclist-title { font-weight: 700; color: var(--c-warn); margin-bottom: 0.3rem; }
.sheet-synclist ul { list-style: disc; padding-left: 1.2rem; }

/* ============================ record grid ======================= */
.sheet-grid { display: flex; flex-direction: column; gap: 0.75rem; }
.sheet-set { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 0.6rem; }
.sheet-set-current { border: 2px solid var(--c-primary); box-shadow: 0 0 0 2px rgba(246, 185, 59, 0.25); }
.sheet-set-finished { opacity: 0.94; }
.sheet-set-head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.sheet-set-title { font-weight: 800; font-size: 1.15rem; }
.sheet-set-result { font-family: var(--font-mono); font-size: 1rem; }
.sheet-set-live { color: var(--c-primary); font-weight: 700; }
/* 歷史局：可折疊（<details>） */
.sheet-set-collapsible > .sheet-set-summary { cursor: pointer; list-style: none; margin-bottom: 0; }
.sheet-set-collapsible > .sheet-set-summary::-webkit-details-marker { display: none; }
.sheet-set-collapsible[open] > .sheet-set-summary { margin-bottom: 0.5rem; }
.sheet-set-caret { display: inline-block; color: var(--c-text-dim); transition: transform 0.15s ease; }
.sheet-set-collapsible[open] > .sheet-set-summary .sheet-set-caret { transform: rotate(90deg); }
.sheet-warning { color: var(--c-warn); font-size: 0.85rem; margin: 0.2rem 0; }
.sheet-changeside { color: var(--c-primary); font-weight: 700; font-size: 0.85rem; margin: 0.2rem 0; }

.sheet-band { display: grid; grid-template-columns: minmax(3.5rem, auto) 1fr; gap: 0.5rem; align-items: start; padding: 0.55rem 0; border-top: 1px solid var(--c-border); }
.sheet-band-name { font-weight: 800; font-size: 0.95rem; align-self: center; }
.sheet-band-svc { overflow-x: auto; }
.sheet-band-aux { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.4rem; }
.sheet-aux-box { min-width: 6rem; }
.sheet-aux-title { font-size: 0.72rem; color: var(--c-text-dim); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.25rem; }

/* service order grid（當前發球輪欄位強高亮：背景＋邊框＋外光暈） */
.svc-grid { display: grid; grid-template-columns: repeat(6, minmax(2.2rem, 1fr)); gap: 3px; min-width: 16rem; }
.svc-col { display: flex; flex-direction: column; gap: 3px; border: 2px solid transparent; border-radius: 6px; padding: 2px; }
.svc-col.svc-current {
  background: rgba(246, 185, 59, 0.22);
  border-color: var(--c-primary);
  box-shadow: 0 0 0 2px rgba(246, 185, 59, 0.4);
}
.svc-header { text-align: center; font-weight: 800; font-size: 0.9rem; padding: 0.2rem 0; background: var(--c-surface-alt); border-radius: 3px; position: relative; }
.svc-col.svc-current .svc-header { background: var(--c-primary); color: var(--c-primary-ink); }
.svc-col.svc-current .svc-header::after { content: "●"; color: var(--c-primary); position: absolute; top: -1rem; left: 50%; transform: translateX(-50%); font-size: 0.78rem; }
.svc-cell { min-height: 1.8rem; text-align: center; font-size: 0.95rem; font-variant-numeric: tabular-nums; border: 1px solid var(--c-border); border-radius: 3px; display: flex; align-items: center; justify-content: center; }
.svc-check { color: var(--c-ok); font-weight: 800; font-size: 1.1rem; }
.svc-score { font-weight: 800; font-size: 1.02rem; }
.svc-circle { border: 2px solid var(--c-primary); border-radius: 50%; color: var(--c-primary); }
.svc-cell-current { outline: 2px solid var(--c-primary); background: rgba(246, 185, 59, 0.14); }

/* substitutions */
.sub-grid { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.sub-cell { border: 1px solid var(--c-border); border-radius: 4px; padding: 0.25rem 0.4rem; font-size: 0.85rem; display: flex; flex-direction: column; position: relative; min-width: 4.8rem; }
.sub-pair { font-weight: 700; }
.sub-at { color: var(--c-text-dim); font-family: var(--font-mono); }
.sub-exc { border-color: var(--c-away); }
.sub-exc-tag { position: absolute; top: -0.4rem; right: -0.3rem; background: var(--c-away); color: #fff; font-size: 0.65rem; border-radius: 3px; padding: 0 0.2rem; }
.sub-empty { font-size: 0.8rem; }

/* timeouts */
.to-grid { display: flex; gap: 0.3rem; }
.to-cell { border: 1px solid var(--c-border); border-radius: 4px; min-width: 2.6rem; text-align: center; padding: 0.25rem; font-size: 0.85rem; font-family: var(--font-mono); }
.to-empty { color: var(--c-text-dim); }

/* POINTS */
.sheet-aux-points { flex: 1 1 16rem; }
.pts-col { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1px; }
.pt { text-align: center; font-size: 0.8rem; font-variant-numeric: tabular-nums; padding: 0.08rem 0; color: var(--c-text-dim); position: relative; }
.pt-x { color: var(--c-text); }
.pt-x::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top right, transparent 44%, currentColor 44%, currentColor 56%, transparent 56%); }
.pt-circle { color: var(--c-primary); font-weight: 700; }
.pt-circle::before { content: ""; position: absolute; inset: 1px; border: 1.5px solid var(--c-primary); border-radius: 50%; }
.pt-void { opacity: 0.35; }
.pt-void::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, transparent, transparent 2px, currentColor 2px, currentColor 3px); }

/* tables */
.sheet-table { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 0.6rem; }
.sheet-table h2 { font-size: 0.95rem; margin-bottom: 0.4rem; }
/* v3.4 IMPROPER REQUEST：標題與「撤銷最後一筆」同一行，撤銷永遠在視線內 */
.sheet-table-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.sheet-table-head h2 { margin-bottom: 0; }
.btn-revoke { min-height: 40px; padding: 0.25rem 0.8rem; font-size: 0.85rem; }
.btn-revoke::before { content: "↩ "; }
.btn-revoke:disabled { opacity: 0.4; filter: grayscale(0.55); border-style: dashed; }
.mini-table { font-size: 0.9rem; }
.mini-table td, .mini-table th { padding: 0.3rem 0.45rem; text-align: center; }
.rs-pts { font-weight: 700; }
.rs-set { color: var(--c-text-dim); }

/* more panel: remarks + signatures */
.sheet-more { display: flex; flex-direction: column; gap: 1rem; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 0.75rem; }
.sheet-remarks textarea { width: 100%; }
.sign-scorers { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: end; margin-bottom: 0.5rem; }
.sign-scorers label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.85rem; }
.signatures-list { display: flex; flex-direction: column; gap: 0.3rem; }
.sign-row { display: flex; align-items: center; gap: 0.6rem; padding: 0.3rem 0; border-bottom: 1px solid var(--c-border); }
.sign-idx { width: 1.4rem; height: 1.4rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--c-surface-alt); font-size: 0.75rem; }
.sign-label { flex: 1 1 auto; }
.sign-status { color: var(--c-text-dim); font-size: 0.85rem; }

/* dialogs */
.sheet-dialog { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 1rem; }
.sheet-dialog-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1rem 1.25rem; max-width: min(94vw, 30rem); width: 100%; display: flex; flex-direction: column; gap: 0.6rem; max-height: 90vh; overflow-y: auto; }
.sheet-dialog-card h3 { font-size: 1.05rem; }
.sheet-dialog-card label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.9rem; }
.dlg-teamtabs, .dlg-cards, .dlg-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.dlg-team.is-selected, .dlg-card.is-selected { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-primary-ink); font-weight: 700; }
.sig-canvas { background: #fff; border: 1px solid var(--c-border); border-radius: 4px; touch-action: none; align-self: center; }