/* =====================================================
   daily.css — 每日詰棋 · 榧木盤編集版
   紙・墨・榧木・朱印。沿用 style.css 設計語彙。
   ===================================================== */

/* ---- 頁面容器 ------------------------------------------------------- */
.daily-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1rem, 4vw, 2.75rem) var(--pad-x) clamp(4rem, 8vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 336px;
  gap: clamp(1.5rem, 4vw, 3.25rem);
  align-items: start;
}
@media (max-width: 900px) {
  .daily-wrap { grid-template-columns: 1fr; }
}

@keyframes dailyRise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* =====================================================
   棋盤欄
   ===================================================== */
.board-col {
  min-width: 0;
  animation: dailyRise 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

/* ---- 標題列（masthead）--------------------------------------------- */
.board-head {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.board-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 52px;
  height: 2px;
  background: var(--hanko);
}
.board-head-left { min-width: 0; }
.board-head-kicker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
}

.mode-tag {
  display: inline-block;
  font-family: var(--f-mincho);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--hanko);
  background: #FBF1EF;
  border: 1px solid var(--hanko-soft);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
}
.mode-tag.is-makeup {
  color: var(--wood-deep);
  background: var(--wood-wash);
  border-color: var(--wood-light);
}
.done-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--moss);
  background: #EEF4EC;
  border: 1px solid var(--moss);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
}
.done-badge[hidden] { display: none; }

.p-title {
  font-family: var(--f-mincho);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.6vw, 2.15rem);
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--ink);
}
.board-head-sub {
  margin-top: 0.4rem;
  font-size: 0.92rem;
  color: var(--ink-light);
}

/* ---- 棋盤（榧木盤）------------------------------------------------- */
.board-frame {
  background: var(--wood-wash);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: clamp(0.75rem, 2.5vw, 1.5rem);
  box-shadow: 0 1px 0 var(--line);
}

.goban { width: 100%; height: auto; display: block; }
.gb-bg { fill: #E9C98C; }           /* 榧木盤色 */
.gb-line { stroke: #3a2c17; stroke-width: 0.04; }
.gb-star { fill: #3a2c17; }
.gb-black { fill: #141414; stroke: #000; stroke-width: 0.02; }
.gb-white { fill: #FbFAF6; stroke: #2b2b2b; stroke-width: 0.04; }
.gb-mark-on-black { fill: #FAF7F0; }
.gb-mark-on-white { fill: #141414; }
.gb-hit { fill: transparent; cursor: pointer; }
.gb-hit:hover { fill: rgba(20, 20, 20, 0.14); }
.gb-flash { fill: var(--hanko); opacity: 0.55; }

/* ---- 解說 + 操作（同一列）------------------------------------------ */
/* 解說文字通常很短（如「黑先。」），與按鈕共用一列省下垂直空間；
   訊息變長或視窗變窄時 flex-wrap 讓按鈕自動落到下一行。 */
.board-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  margin-top: 1rem;
}

.status {
  position: relative;
  overflow: hidden;
  flex: 1 1 16rem;
  min-width: 0;
  padding: 0.55rem 0.9rem 0.55rem 1.1rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--paper-warm);
  font-size: 0.93rem;
  line-height: 1.55;
}
.status::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line-strong);
}
.status-info { color: var(--ink-soft); }
.status-info::before { background: var(--wood-light); }
.status-warn { color: var(--wood-deep); background: var(--wood-wash); border-color: var(--wood-light); }
.status-warn::before { background: var(--wood); }
.status-wrong { color: var(--hanko); background: #FBF1EF; border-color: var(--hanko-soft); }
.status-wrong::before { background: var(--hanko); }
.status-correct { color: var(--moss); background: #F1F6EF; border-color: var(--moss); font-weight: 600; }
.status-correct::before { background: var(--moss); }

/* ---- 按鈕列 -------------------------------------------------------- */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-left: auto; /* 解說很短時按鈕靠右 */
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center; /* 蓋掉 style.css .btn-primary 的 inline-flex 靠左 */
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-family: var(--f-sans);
  font-weight: 500;
  letter-spacing: 0.08em;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t-quick), border-color var(--t-quick), color var(--t-quick), transform var(--t-quick);
}
.btn:hover { background: var(--paper-deep); border-color: var(--ink-mid); color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--ink-soft); color: var(--paper); }

@media (max-width: 560px) {
  .btn-row { width: 100%; margin-left: 0; }
  .btn-row .btn { flex: 1 1 auto; }
}

/* =====================================================
   右欄
   ===================================================== */
.side-col { display: flex; flex-direction: column; gap: 1.25rem; }

.panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.35rem;
  background: var(--paper);
  box-shadow: 0 1px 2px rgba(30, 22, 10, 0.03);
  animation: dailyRise 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
.side-col .panel:nth-of-type(1) { animation-delay: 0.06s; }
.side-col .panel:nth-of-type(2) { animation-delay: 0.14s; }

.panel h3 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--f-mincho);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--ink-mid);
  margin-bottom: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line-faint);
}
.panel h3::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  background: var(--hanko);
  border-radius: 1px;
}

/* ---- 月曆 · 連續紀錄（出席簿）------------------------------------- */
.tsu-cal { background: var(--paper-warm); }

.tsu-cal-top {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.05rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--line-strong);
}
.tsu-cal-streak {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--f-mincho);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--wood-deep);
}
.tsu-cal-streak b {
  font-family: var(--f-latin);
  font-style: italic;
  font-weight: 600;
  font-size: 2.5rem;
  line-height: 0.8;
  color: var(--hanko);
}
.tsu-streak-fire { align-self: center; font-size: 1.3rem; line-height: 1; margin-left: -0.1rem; }
.tsu-cal-sub { font-size: 0.8rem; color: var(--ink-mid); letter-spacing: 0.01em; }
.tsu-cal-sub #streak-note.is-done { color: var(--moss); font-weight: 700; }
#tsu-countdown { font-family: var(--f-latin); font-style: italic; letter-spacing: 0.03em; }

.tsu-cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.7rem;
}
.tsu-cal-label {
  font-family: var(--f-mincho);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  letter-spacing: 0.06em;
}
.tsu-cal-arrow {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink-mid);
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  transition: background var(--t-quick), border-color var(--t-quick), color var(--t-quick);
}
.tsu-cal-arrow:hover { background: var(--wood-pale); border-color: var(--wood-light); color: var(--wood-deep); }

.tsu-cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: 0.35rem;
}
.tsu-cal-weekdays span { font-size: 0.7rem; color: var(--ink-light); letter-spacing: 0.05em; }
.tsu-cal-weekdays span:first-child { color: var(--hanko-soft); }

.tsu-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.tsu-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  font-size: 0.82rem;
  color: var(--ink-soft);
  border-radius: 50%;
  font-family: var(--f-sans);
  transition: background var(--t-quick), box-shadow var(--t-quick);
}
.tsu-cell.is-blank { visibility: hidden; }
.tsu-cell.is-open { cursor: pointer; }
.tsu-cell.is-open:hover { background: var(--wood-pale); }
.tsu-cell.is-future { color: var(--ink-light); opacity: 0.4; cursor: not-allowed; }
.tsu-cell.is-empty { color: var(--ink-light); opacity: 0.25; cursor: default; }
.tsu-cell.is-done {
  background: var(--moss);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 1px 2px rgba(60, 90, 45, 0.35);
}
.tsu-cell.is-done:hover { background: var(--moss); filter: brightness(0.96); }
.tsu-cell.is-today { box-shadow: inset 0 0 0 1.6px var(--hanko); color: var(--hanko); font-weight: 700; }
.tsu-cell.is-today.is-done {
  color: #fff;
  box-shadow: inset 0 0 0 1.6px var(--moss), 0 1px 2px rgba(60, 90, 45, 0.35);
}
.tsu-cell.is-selected { outline: 2px solid var(--ink); outline-offset: -1px; }

.tsu-cal-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.95rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-faint);
  font-size: 0.72rem;
  color: var(--ink-light);
  letter-spacing: 0.05em;
}
.tsu-cal-legend { display: flex; align-items: center; gap: 0.35rem; }
.tsu-cal-legend .lg-done {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--moss);
  display: inline-block;
}
.tsu-cal-foot b { font-family: var(--f-latin); font-size: 0.95rem; color: var(--wood-deep); }

/* ---- 題目資訊 ------------------------------------------------------ */
.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line-faint);
  font-size: 0.92rem;
}
.meta-row:last-child { border-bottom: none; }
.meta-row .k { color: var(--ink-mid); letter-spacing: 0.08em; }
.meta-row .v { color: var(--ink); font-weight: 600; font-family: var(--f-mincho); }

/* 難度徽章（LeetCode 三級） */
.diff-badge {
  font-family: var(--f-latin);
  font-style: italic;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.12rem 0.7rem;
  border-radius: 999px;
  line-height: 1.5;
}
.diff-easy { color: var(--moss); background: #EEF4EC; }
.diff-medium { color: var(--wood-deep); background: var(--wood-wash); }
.diff-hard { color: var(--hanko); background: #FBF1EF; }

/* =====================================================
   解題統計（我的詰棋）— hero 數字 + 難度長條
   難度色：Easy 苔綠 / Medium 赭金 / Hard 朱（皆通過 CVD 驗證，且每列附文字標籤）
   ===================================================== */
.tsu-stats {
  --c-easy: #6B9E5E;
  --c-medium: #B8801F;
  --c-hard: #A53B2D;
  background: var(--paper-warm);
}

/* hero 總數 */
.ts-hero {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.35rem 0 1.15rem;
}
.ts-hero b {
  font-family: var(--f-latin);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(3rem, 9vw, 3.6rem);
  line-height: 0.8;
  color: var(--wood-deep);
}
.ts-hero-cap {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: var(--ink-mid);
  letter-spacing: 0.06em;
  line-height: 1.35;
}
.ts-hero-cap i {
  font-family: var(--f-latin);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--ink-light);
  letter-spacing: 0.08em;
}

/* 難度長條 */
.ts-bars {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line-strong);
}
.ts-bar-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.ts-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  transform: translateY(1px);
}
.ts-lbl {
  font-family: var(--f-latin);
  font-style: italic;
  font-size: 0.98rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}
.ts-bar-head b {
  margin-left: auto;
  font-family: var(--f-latin);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
}
.ts-track {
  height: 8px;
  border-radius: 999px;
  background: var(--paper-deep);
  overflow: hidden;
}
.ts-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  transition: width 0.7s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.ts-bar.easy   .ts-dot, .ts-bar.easy   .ts-fill { background: var(--c-easy); }
.ts-bar.medium .ts-dot, .ts-bar.medium .ts-fill { background: var(--c-medium); }
.ts-bar.hard   .ts-dot, .ts-bar.hard   .ts-fill { background: var(--c-hard); }

.ts-empty {
  margin-top: 1.1rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-mid);
}
.ts-empty a { color: var(--wood-deep); border-bottom: 1px solid var(--wood-light); }
.ts-empty[hidden] { display: none; }

.stats-foot {
  margin-top: 1.1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-faint);
  text-align: right;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-light);
}

/* =====================================================
   回報這題
   ===================================================== */
.report-row {
  margin-top: 0.85rem;
  text-align: center;
}
.report-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.4rem;
  border: 0;
  background: none;
  font-family: var(--f-sans);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--ink-light);
  cursor: pointer;
  transition: color var(--t-quick);
}
.report-link:hover { color: var(--hanko); }
.report-link u { text-underline-offset: 2px; }
.report-link-ico { font-size: 0.9em; }

/* ---- 對話框 -------------------------------------------------------- */
.report-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
}
.report-modal[hidden] { display: none; }
.report-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 20, 8, 0.42);
  backdrop-filter: blur(1.5px);
  animation: reportFade 0.2s ease both;
}
.report-dialog {
  position: relative;
  width: min(30rem, 100%);
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(30, 22, 10, 0.24);
  padding: clamp(1.4rem, 4vw, 2rem);
  animation: reportRise 0.24s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
@keyframes reportFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes reportRise {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
.report-close {
  position: absolute;
  top: 0.7rem;
  right: 0.85rem;
  width: 2rem;
  height: 2rem;
  border: 0;
  background: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-light);
  cursor: pointer;
  border-radius: 6px;
  transition: background var(--t-quick), color var(--t-quick);
}
.report-close:hover { background: var(--paper-deep); color: var(--ink); }

.report-head { margin-bottom: 1.1rem; }
.report-kicker {
  display: block;
  font-family: var(--f-mincho);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--hanko);
  margin-bottom: 0.5rem;
}
.report-head h2 {
  font-family: var(--f-mincho);
  font-size: 1.3rem;
  color: var(--ink);
  margin: 0 0 0.4rem;
}
.report-lede {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}

.report-target {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.7rem 0.9rem;
  margin-bottom: 1.1rem;
  border: 1px solid var(--line-faint);
  border-left: 3px solid var(--wood-light);
  border-radius: 6px;
  background: var(--paper-warm);
}
.report-target-id {
  font-family: var(--f-mincho);
  font-size: 0.95rem;
  color: var(--ink);
}
.report-target-meta {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-light);
}

.report-form { display: flex; flex-direction: column; gap: 0.9rem; }
.report-field { display: flex; flex-direction: column; gap: 0.35rem; }
.report-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink-mid);
}
.report-label em {
  font-style: normal;
  font-weight: 400;
  color: var(--ink-light);
}
.report-field select,
.report-field input,
.report-field textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
  font-family: var(--f-sans);
  font-size: 0.9rem;
  color: var(--ink);
  transition: border-color var(--t-quick), box-shadow var(--t-quick);
}
.report-field textarea { resize: vertical; line-height: 1.55; }
.report-field select:focus,
.report-field input:focus,
.report-field textarea:focus {
  outline: none;
  border-color: var(--hanko-soft);
  box-shadow: 0 0 0 3px rgba(168, 62, 50, 0.1);
}

/* ---- 圖片上傳 ------------------------------------------------------ */
.report-upload-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  background: var(--paper-warm);
  font-family: var(--f-sans);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color var(--t-quick), color var(--t-quick), background var(--t-quick);
}
.report-upload-btn:hover {
  border-color: var(--hanko-soft);
  color: var(--hanko);
  background: var(--paper-deep);
}
.report-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.report-thumbs:empty { display: none; }
.report-thumb {
  position: relative;
  width: 4.5rem;
  height: 4.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper-deep);
}
.report-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.report-thumb-rm {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 1.35rem;
  height: 1.35rem;
  border: 0;
  border-radius: 50%;
  background: rgba(28, 20, 8, 0.66);
  color: #fff;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-quick);
}
.report-thumb-rm:hover { background: var(--hanko); }

.report-status {
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.report-status[hidden] { display: none; }
.report-status.is-info { background: var(--paper-deep); color: var(--ink-soft); }
.report-status.is-ok { background: #F1F6EF; color: var(--moss); border: 1px solid var(--moss); }
.report-status.is-err { background: #FBF1EF; color: var(--hanko); border: 1px solid var(--hanko-soft); }

.report-actions {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.2rem;
}
.report-actions .btn { flex: 1 1 auto; }
.report-fineprint {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--ink-light);
}

@media (prefers-reduced-motion: reduce) {
  .board-col, .panel { animation: none; }
  .ts-fill { transition: none; }
  .report-backdrop, .report-dialog { animation: none; }
}