:root {
  --bg: #eef1f4;
  --card: rgba(255, 255, 255, 0.82);
  --card-border: rgba(120, 140, 165, 0.22);
  --text: #3a4452;
  --text-dim: #828c9b;
  --accent: #4fb0a3;   /* 霧霾藍綠 */
  --accent-2: #6b9bd1; /* 柔和天藍 */
  --gold: #f0b860;     /* 暖琥珀 */
  --green: #5cc2a2;    /* 薄荷綠 */
  --radius: 24px;
  --shadow: 0 16px 44px rgba(90, 110, 140, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: "Noto Sans TC", "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  padding: 28px 18px 48px;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 背景光球 */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.55; }
.orb { opacity: 0.45; }
.orb { opacity: 0.32; }
.orb-1 { width: 420px; height: 420px; background: #9cc7c0; top: -120px; left: -100px; animation: float1 18s ease-in-out infinite; }
.orb-2 { width: 380px; height: 380px; background: #aac6e6; bottom: -140px; right: -80px; animation: float2 22s ease-in-out infinite; }
.orb-3 { width: 300px; height: 300px; background: #f3d6a8; top: 40%; left: 55%; opacity: 0.28; animation: float1 26s ease-in-out infinite reverse; }

@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px,50px) scale(1.1); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-50px,-40px) scale(1.15); } }

.app { width: 100%; max-width: 480px; display: flex; flex-direction: column; gap: 18px; }

/* Topbar */
.topbar { display: flex; align-items: center; justify-content: space-between; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 30px; filter: drop-shadow(0 4px 10px rgba(252,211,77,0.4)); }
.brand h1 { font-size: 22px; font-weight: 900; letter-spacing: -0.5px; }
.tagline { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }

.ghost-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--card); border: 1px solid var(--card-border);
  color: var(--text); padding: 9px 14px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; cursor: pointer;
  transition: background .2s, transform .1s; backdrop-filter: blur(12px);
}
.ghost-btn:hover { background: rgba(255,255,255,0.95); }
.ghost-btn:active { transform: scale(0.96); }
.ghost-btn.icon-only { padding: 8px 11px; font-size: 15px; }

/* 卡片 */
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}

.card-label { font-size: 13px; color: var(--text-dim); font-weight: 600; letter-spacing: 0.3px; }

/* 今日已賺 */
.status-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.pill {
  font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
  background: rgba(94,234,212,0.14); color: var(--accent); border: 1px solid rgba(94,234,212,0.25);
}
.pill.off { background: rgba(154,163,184,0.14); color: var(--text-dim); border-color: rgba(154,163,184,0.25); }
.pill.live::before { content: "●"; margin-right: 6px; animation: blink 1.4s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }
.rate-label { font-size: 12px; color: var(--text-dim); }

.big-number { display: flex; align-items: baseline; gap: 8px; margin: 8px 0 20px; }
.currency { font-size: 26px; font-weight: 700; color: var(--text-dim); }
.amount {
  font-family: "Inter", sans-serif; font-size: 52px; font-weight: 800; line-height: 1;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, var(--accent), var(--gold) 50%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}

.progress-wrap { margin-bottom: 18px; }
.progress-track { height: 9px; background: rgba(120,140,165,0.18); border-radius: 999px; overflow: hidden; }
.progress-fill {
  height: 100%; width: 0%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .5s ease;
}
.progress-meta { display: flex; justify-content: space-between; margin-top: 8px; font-size: 12px; color: var(--text-dim); }

.mini-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.mini-stat {
  background: rgba(255,255,255,0.6); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 12px 10px; text-align: center;
}
.mini-label { display: block; font-size: 11.5px; color: var(--text-dim); margin-bottom: 4px; }
.mini-value { font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* 換算卡片 */
.convert-head { display: flex; align-items: center; justify-content: space-between; }
.convert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(74px, 1fr)); gap: 10px; margin: 16px 0 4px; }
.convert-empty { grid-column: 1/-1; text-align: center; font-size: 13px; color: var(--text-dim); padding: 14px 0; }
.convert-item {
  background: rgba(255,255,255,0.6); border: 1px solid var(--card-border);
  border-radius: 18px; padding: 14px 6px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  transition: transform .15s;
}
.convert-item:hover { transform: translateY(-3px) rotate(-2deg); }
.convert-link { text-decoration: none; color: inherit; position: relative; }
.convert-link::after {
  content: "↗"; position: absolute; top: 5px; right: 6px;
  font-size: 11px; font-weight: 800; line-height: 1;
  color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  width: 16px; height: 16px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.convert-link:hover { border-color: var(--accent); }
.convert-emoji { font-size: 28px; line-height: 1; filter: drop-shadow(0 3px 6px rgba(90,110,140,0.25)); }
.convert-count {
  font-family: "Inter", sans-serif; font-size: 22px; font-weight: 800; color: var(--text);
  font-variant-numeric: tabular-nums; transition: transform .2s;
}
.convert-count.bump { transform: scale(1.35); color: var(--accent); }
.convert-name { font-size: 11.5px; color: var(--text-dim); font-weight: 600; }
.convert-msg { text-align: center; font-size: 12.5px; color: var(--text-dim); margin-top: 12px; }

/* 換算編輯面板 */
.editor-hint { font-size: 12.5px; color: var(--text-dim); line-height: 1.5; margin-bottom: 14px; }
.item-list { display: flex; flex-direction: column; gap: 12px; max-height: 46vh; overflow-y: auto; margin-bottom: 14px; padding-right: 2px; }
.item-row {
  background: #f4f7f8; border: 1px solid var(--card-border); border-radius: 16px; padding: 12px;
  display: grid; grid-template-columns: 52px 1fr 80px 34px; gap: 8px; align-items: center;
}
.item-row input {
  background: #fff; border: 1px solid var(--card-border); border-radius: 10px;
  padding: 9px 8px; color: var(--text); font-family: inherit; font-size: 15px; min-width: 0;
}
.item-row input:focus { outline: none; border-color: var(--accent); }
.item-row .emoji-input { text-align: center; font-size: 19px; padding: 9px 2px; }
.item-row .link-input { grid-column: 1 / 4; font-size: 13px; }
.item-del {
  grid-row: 1; grid-column: 4; align-self: center;
  width: 34px; height: 34px; border: none; border-radius: 10px; cursor: pointer;
  background: rgba(232,137,107,0.15); color: #d06a4c; font-size: 16px; font-weight: 700;
  transition: background .2s;
}
.item-del:hover { background: rgba(232,137,107,0.3); }
.add-item-btn {
  width: 100%; padding: 12px; margin-bottom: 14px; cursor: pointer;
  background: transparent; border: 1.5px dashed var(--card-border); border-radius: 14px;
  color: var(--text-dim); font-family: inherit; font-size: 14px; font-weight: 700;
  transition: border-color .2s, color .2s;
}
.add-item-btn:hover { border-color: var(--accent); color: var(--accent); }

/* 回血卡片 */
.recharge-card { display: flex; flex-direction: column; gap: 18px; }
.recharge-sub { font-size: 12.5px; color: var(--text-dim); margin-top: 6px; line-height: 1.5; }

.battery { display: flex; align-items: center; justify-content: center; gap: 4px; padding: 4px 0; }
.battery-body {
  position: relative; width: 78%; height: 56px; border: 3px solid rgba(79,176,163,0.5);
  border-radius: 14px; overflow: hidden; background: rgba(238,244,243,0.85);
  display: flex; align-items: center; justify-content: center;
}
.battery-fill {
  position: absolute; inset: 0; width: 100%;
  background: linear-gradient(90deg, var(--green), var(--accent));
  opacity: 0.25; transition: opacity .4s;
}
.battery-body.charging .battery-fill {
  opacity: 0.9;
  background-size: 200% 100%;
  animation: charge 2s linear infinite;
}
@keyframes charge {
  0% { background-position: 200% 0; }
  100% { background-position: 0 0; }
}
.battery-body.charging .battery-fill { background-image: linear-gradient(90deg, var(--green), var(--accent), var(--green)); }
.battery-text { position: relative; z-index: 2; font-weight: 700; font-size: 15px; letter-spacing: 1px; color: #3a6b62; text-shadow: 0 1px 3px rgba(255,255,255,0.6); }
.battery-cap { width: 7px; height: 24px; background: rgba(79,176,163,0.5); border-radius: 0 4px 4px 0; }

.recharge-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.recharge-stat {
  background: rgba(255,255,255,0.6); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 14px; text-align: center;
}
.recharge-stat.highlight { background: rgba(92,194,162,0.18); border-color: rgba(92,194,162,0.45); }
.recharge-value { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; display: block; margin-top: 4px; }
.recharge-stat.highlight .recharge-value { color: #2f9b7d; }

.recharge-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 16px; border: none; border-radius: 16px; cursor: pointer;
  font-family: inherit; font-size: 17px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(79,176,163,0.35); transition: transform .12s, box-shadow .2s, filter .2s;
}
.recharge-btn:hover { filter: brightness(1.05); }
.recharge-btn:active { transform: scale(0.97); }
.recharge-btn .btn-icon { font-size: 19px; }
.recharge-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--gold), #e8896b);
  box-shadow: 0 12px 30px rgba(232,137,107,0.4);
}

.recharge-msg { text-align: center; font-size: 13px; color: var(--text-dim); line-height: 1.5; min-height: 18px; }

.recharge-totals {
  display: flex; justify-content: space-between; gap: 10px;
  font-size: 12px; color: var(--text-dim);
  padding-top: 14px; border-top: 1px solid var(--card-border);
}
.recharge-totals b { color: var(--text); font-variant-numeric: tabular-nums; }

/* Buy me a coffee 按鈕 */
.coffee-btn {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  width: 100%; padding: 14px; border: none; border-radius: 16px; cursor: pointer;
  font-family: inherit; font-size: 15px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--accent) 55%, var(--accent-2));
  box-shadow: 0 10px 26px rgba(79,176,163,0.32); transition: transform .12s, filter .2s;
}
.coffee-btn:hover { filter: brightness(1.04); }
.coffee-btn:active { transform: scale(0.98); }
.coffee-emoji { font-size: 19px; }

.coffee-panel { text-align: center; }
.coffee-panel .settings-header { text-align: left; }
.coffee-text { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; margin-bottom: 16px; }
.coffee-qr {
  width: 200px; height: 200px; object-fit: contain; border-radius: 16px;
  background: #fff; padding: 10px; border: 1px solid var(--card-border);
  margin: 0 auto 18px; display: block;
}
.copy-btn {
  width: 100%; padding: 12px; margin-top: 10px; cursor: pointer;
  background: transparent; border: 1.5px solid var(--card-border); border-radius: 14px;
  color: var(--text); font-family: inherit; font-size: 14px; font-weight: 700;
  transition: border-color .2s, color .2s, background .2s;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--green); color: #2f9b7d; background: rgba(92,194,162,0.12); }
.coffee-note { font-size: 11.5px; color: var(--text-dim); margin-top: 12px; opacity: 0.8; }

.foot { text-align: center; font-size: 11.5px; color: var(--text-dim); opacity: 0.7; margin-top: 4px; }

/* 設定面板 */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(58,68,82,0.38); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 18px;
  animation: fade .2s ease;
}
.overlay[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.settings-panel {
  width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--card-border);
  border-radius: 28px; padding: 24px; box-shadow: var(--shadow);
  animation: pop .25s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes pop { from { transform: translateY(14px) scale(0.97); opacity: 0; } to { transform: none; opacity: 1; } }

.settings-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.settings-header h2 { font-size: 19px; font-weight: 800; }

.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; flex: 1; }
.field-row { display: flex; gap: 14px; }
.field label { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.field input {
  background: #f4f7f8; border: 1px solid var(--card-border);
  border-radius: 14px; padding: 12px 14px; color: var(--text);
  font-family: inherit; font-size: 16px; transition: border .2s, background .2s;
}
.field input:focus { outline: none; border-color: var(--accent); background: #eaf4f2; }

.primary-btn {
  width: 100%; padding: 15px; margin-top: 6px; border: none; border-radius: 16px;
  font-family: inherit; font-size: 16px; font-weight: 800; cursor: pointer; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: transform .12s, filter .2s;
}
.primary-btn:hover { filter: brightness(1.05); }
.primary-btn:active { transform: scale(0.98); }

@media (max-width: 380px) {
  .amount { font-size: 42px; }
  .mini-value { font-size: 13.5px; }
}