/* ─── 字型 ─── */
@font-face {
  font-family: "Iansui";
  src: url("/static/fonts/Iansui094-Regular.woff2?v=2") format("woff2"),
       url("/static/fonts/Iansui094-Regular.ttf?v=2")   format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Tsuipita";
  src: url("/static/fonts/ToneOZ-Tsuipita-TC.woff2") format("woff2"),
       url("/static/fonts/ToneOZ-Tsuipita-TC.ttf")   format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* 字型切換 class（掛在 body） */
body.font-iansui   { font-family: "Iansui",   "PMingLiU", serif; }
body.font-tsuipita { font-family: "Tsuipita", "PMingLiU", serif; }

/* ══════════════════════════════════════
   色系：沿用使用者設定的 Bootstrap 調性
   ══════════════════════════════════════ */
:root {
  --bg:          #ffffff;
  --card-bg:     #f8f9fa;
  --card-border: #dee2e6;
  --text:        #212529;
  --text-muted:  #6c757d;
  --primary:     #212529;   /* 深灰（+ 按鈕） */
  --accent:      #0d6efd;   /* 藍色（數字、tab） */
  --green:       #198754;
  --red:         #dc3545;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; -webkit-tap-highlight-color: transparent; }

/* ─── Body：直接 flex 垂直堆疊 ─── */
body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: "Iansui", "Noto Serif TC", "PMingLiU", serif;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

/* ─── Header（sticky，z-index 最高） ─── */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--card-border);
  padding: 14px 20px 12px;
  padding-top: calc(14px + env(safe-area-inset-top, 0));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .1em;
  white-space: nowrap;
}

.font-switch {
  display: flex;
  gap: 6px;
}

.fswitch-btn {
  padding: 3px 14px;
  border: 1px solid var(--card-border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-muted);
  font-size: .72rem;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  -webkit-tap-highlight-color: transparent;
  font-family: inherit;
}

.fswitch-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* 按鈕自身套用對應字型，讓預覽可見 */
.fswitch-btn[data-font="font-iansui"]   { font-family: "Iansui",   serif; }
.fswitch-btn[data-font="font-tsuipita"] { font-family: "Tsuipita", serif; }

/* ─── Tab Bar（緊跟 header，normal flow，不用 sticky） ─── */
.tab-bar {
  display: flex;
  background: var(--bg);
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;   /* 不被壓縮 */
}

.tab-btn {
  flex: 1;
  padding: 12px 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  font-size: .85rem;
  color: var(--text-muted);
  cursor: pointer;
  letter-spacing: .08em;
  transition: color .2s, border-color .2s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
}

/* ─── Main（flex: 1，撐滿剩餘高度） ─── */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ─── Panel 切換 ─── */
.panel {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 20px 16px 36px;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.panel.show { display: flex; }

/* ─── 選擇列 ─── */
.selectors {
  display: flex;
  gap: 10px;
  width: 100%;
}

.selectors select,
.selectors input[type="date"] {
  flex: 1;
  min-width: 0;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: .88rem;
  padding: 10px 12px;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  cursor: pointer;
  transition: border-color .2s;
}

.selectors select:focus,
.selectors input[type="date"]:focus { border-color: var(--accent); }

/* ─── 計數卡片（只顯示數字） ─── */
.counter-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  width: 100%;
  padding: 28px 16px 24px;
  text-align: center;
  position: relative;
}

.count-label {
  font-size: .68rem;
  color: var(--text-muted);
  letter-spacing: .14em;
  margin-bottom: 10px;
}

.count-number {
  font-size: clamp(2.25rem, 12vw, 3.25rem);
  font-weight: 900;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  display: inline-block;
  cursor: pointer;
  /* 手機必要：讓 click 事件可靠觸發 */
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  transition: transform .25s cubic-bezier(.34,1.5,.64,1);
  letter-spacing: .02em;
}

.count-number.bump { transform: scale(1.1); }
.count-number:active { opacity: .75; }

/* ─── ＋ 按鈕（圓形，單獨置中，比原本兩顆時更大） ─── */
.btn-row {
  display: flex;
  width: 100%;
  margin-top: 24px;
}

.btn-count {
  width: 100%;
  height: 150px;
  border-radius: 14px;
  border: none;
  background: var(--primary);
  color: #ffffff;
  font-family: inherit;
  font-size: 3rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  transition: opacity .12s, transform .1s, box-shadow .12s;
}

.btn-count:active {
  opacity: .6;
  transform: scale(.97);
  box-shadow: 0 1px 6px rgba(0,0,0,.1);
}

/* ─── 提示文字 ─── */
.hint {
  font-size: .65rem;
  color: var(--text-muted);
  letter-spacing: .1em;
  opacity: .8;
}

/* ─── 進度條 ─── */
.progress-row {
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: .68rem;
  color: var(--text-muted);
  letter-spacing: .08em;
}

.progress-track {
  height: 5px;
  background: var(--card-border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width .5s ease;
  width: 0%;
}

/* ─── 統計 ─── */
.stats {
  display: flex;
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
}

.stat-item {
  flex: 1;
  padding: 14px 8px;
  text-align: center;
  border-right: 1px solid var(--card-border);
}
.stat-item:last-child { border-right: none; }

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: .64rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: .1em;
}

/* ─── 經文卡片 ─── */
.scripture-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  width: 100%;
  overflow: hidden;
  transition: background .3s, border-color .3s;
}

/* 工具列 */
.scripture-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--card-border);
  flex-wrap: wrap;
  background: var(--card-bg);
}

.font-btns {
  display: flex;
  gap: 4px;
}

.font-btn {
  padding: 4px 10px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: .78rem;
  cursor: pointer;
  transition: background .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
}

.font-btn.active,
.font-btn:active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tool-btn {
  padding: 4px 12px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: .78rem;
  cursor: pointer;
  transition: background .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
}

.tool-btn.active {
  background: #1a1a1a;
  color: #e0e0e0;
  border-color: #555;
}

.scripture-title-bar {
  padding: 12px 18px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .14em;
  border-bottom: 1px solid var(--card-border);
  min-height: 42px;
  transition: color .3s;
}

/* 字體大小 */
.scripture-body { font-size: .9rem; }
.scripture-body.font-sm { font-size: .75rem; }
.scripture-body.font-md { font-size: .9rem; }
.scripture-body.font-lg { font-size: 1.1rem; }

.scripture-body {
  padding: 16px 18px;
  line-height: 2.2;
  letter-spacing: .08em;
  color: var(--text);
  max-height: 60vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: color .3s, background .3s;
}

/* 段落行（可設錨點） */
.scripture-line {
  display: block;
  padding: 3px 6px;
  margin: 0 -6px;
  border-radius: 6px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background .15s;
  line-height: 2;
  white-space: pre-wrap;
}

.scripture-line:hover { background: rgba(0,0,0,.05); }

.scripture-line.anchored {
  background: #fff8cc;
  border-left-color: #f5a623;
  font-weight: 600;
}

/* 護眼模式 */
.scripture-card.eye-protect {
  background: #181818;
  border-color: #444;
}

.scripture-card.eye-protect .scripture-toolbar {
  background: #222;
  border-bottom-color: #444;
}

.scripture-card.eye-protect .scripture-title-bar {
  color: #aaa;
  border-bottom-color: #444;
}

.scripture-card.eye-protect .scripture-body {
  color: #ddd;
}

.scripture-card.eye-protect .font-btn,
.scripture-card.eye-protect .tool-btn {
  border-color: #555;
  color: #aaa;
}

.scripture-card.eye-protect .font-btn.active {
  background: #555;
  color: #fff;
  border-color: #777;
}

.scripture-card.eye-protect .scripture-line:hover {
  background: rgba(255,255,255,.06);
}

.scripture-card.eye-protect .scripture-line.anchored {
  background: #3a3000;
  border-left-color: #f5c842;
  color: #ffe;
}

.scripture-placeholder { color: var(--text-muted); font-size: .82rem; }

/* ─── Toast ─── */
#toast {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0));
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: .78rem;
  padding: 9px 22px;
  border-radius: 30px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  letter-spacing: .08em;
  z-index: 300;
  transition: opacity .3s, transform .3s;
}
#toast.show    { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.success { color: var(--green); border-color: #198754; }
#toast.error   { color: var(--red);   border-color: var(--red); }

/* ─── 回向偈 Modal ─── */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.overlay.show { display: flex; }

.pledge-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-top: 2px solid var(--accent);
  border-radius: 22px;
  padding: 34px 26px 28px;
  text-align: center;
  max-width: 340px;
  width: 100%;
  animation: riseIn .4s cubic-bezier(.34,1.4,.64,1);
}

.pledge-box h2 {
  color: var(--accent);
  font-size: .95rem;
  letter-spacing: .24em;
  margin-bottom: 20px;
}

.pledge-text {
  font-size: .9rem;
  line-height: 2.3;
  letter-spacing: .1em;
  opacity: .9;
}

.btn-close-pledge {
  margin-top: 24px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 30px;
  padding: 10px 34px;
  font-family: inherit;
  font-size: .85rem;
  cursor: pointer;
  letter-spacing: .14em;
  transition: background .2s, color .2s;
}
.btn-close-pledge:active { background: var(--accent); color: #fff; }

/* ─── 蓮花（1000 次） ─── */
.lotus-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 150;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 18px;
}
.lotus-overlay.show { display: flex; }

.lotus {
  font-size: 5rem;
  animation: lotusBloom 1s cubic-bezier(.34,1.5,.64,1) forwards;
}

.lotus-msg {
  color: var(--accent);
  font-size: .95rem;
  letter-spacing: .24em;
  animation: fadeIn .7s .6s both;
}

/* ─── 手動設定 Modal ─── */
.set-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.set-modal.show { display: flex; }

.set-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 28px 22px;
  width: 100%;
  max-width: 290px;
  text-align: center;
  animation: riseIn .3s cubic-bezier(.34,1.4,.64,1);
}

.set-box h3 {
  color: var(--accent);
  font-size: .9rem;
  letter-spacing: .16em;
  margin-bottom: 16px;
  font-weight: 600;
}

.set-box input[type="number"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 1.5rem;
  text-align: center;
  padding: 10px;
  outline: none;
  font-variant-numeric: tabular-nums;
  transition: border-color .2s;
}
.set-box input[type="number"]:focus { border-color: var(--accent); }

.modal-btns {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.btn-set-confirm {
  flex: 1;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 700;
  padding: 11px;
  cursor: pointer;
}

.btn-set-cancel {
  flex: 1;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: .88rem;
  padding: 11px;
  cursor: pointer;
}

/* ─── 100 次脈衝 ─── */
@keyframes mossPulse {
  0%   { box-shadow: 0 0 0 0  rgba(13,110,253,.35); }
  60%  { box-shadow: 0 0 0 24px rgba(13,110,253,0); }
  100% { box-shadow: none; }
}
.counter-card.ring-pulse { animation: mossPulse .9s ease-out forwards; }

/* ─── Keyframes ─── */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(16px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes lotusBloom {
  0%   { transform: scale(.1) rotate(-15deg); opacity: 0; }
  65%  { transform: scale(1.2) rotate(3deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); }
}