/* 股票買賣費用計算機 - 現代響應式樣式表 (復刻 WPF 質感) */
:root {
  --bg-page: #F3F6FB;
  --bg-card: #FFFFFF;
  --bg-drawer: #F8FAFD;
  --bg-dark: #172B4A;
  --border-color: #D4DEEB;
  --text-main: #16243C;
  --text-muted: #556987;
  --text-dark-muted: #D7E3F5;
  --primary-blue: #2456D7;
  --primary-blue-hover: #1D46B3;
  --profit-red: #C32020;
  --loss-green: #008000;
  --badge-holding-bg: #FFF4E5;
  --badge-holding-text: #B25E00;
  --badge-settled-bg: #EAF7F0;
  --badge-settled-text: #067647;
  --danger-red: #A42516;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* 主佈局：左側計算機 + 右側抽屜 */
.app-container {
  display: flex;
  width: 100vw;
  min-height: 100vh;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--bg-page);
}

.main-calculator {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
}

.calc-scroll-content {
  padding: 24px 32px;
  max-width: 980px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

/* 頂部標題列 */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 16px;
}

.title-area h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.title-area .subtitle {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 4px;
}

.title-area .tip {
  font-size: 14px;
  color: #805010;
  margin-top: 2px;
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

/* 按鈕風格 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: #FFFFFF;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  white-space: nowrap;
}

.btn:hover {
  background: #F0F4F8;
  border-color: #B8C7DB;
}

.btn-primary {
  background: var(--primary-blue);
  color: #FFFFFF;
  border-color: var(--primary-blue);
}

.btn-primary:hover {
  background: var(--primary-blue-hover);
  border-color: var(--primary-blue-hover);
}

.btn-drawer-toggle {
  background: #EDF3FF;
  border-color: #C0D5FF;
  color: var(--primary-blue);
}

.btn-drawer-toggle:hover {
  background: #DEEBFF;
}

.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid #DADCE0;
  color: #3C4043;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}

.btn-google:hover {
  background: #F8F9FA;
  box-shadow: 0 1px 3px rgba(60,64,67,0.15);
}

.google-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  padding: 4px 10px 4px 6px;
  border-radius: 20px;
  font-size: 14px;
}

.google-user-pill img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.google-user-pill .sync-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #067647;
}

/* 卡片容器 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

/* 表單排版 */
.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
}

.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.form-group.col-1 { flex: 1; min-width: 140px; }
.form-group.col-2 { flex: 1.6; min-width: 180px; }
.form-group.col-half { flex: 0.65; }

.form-group label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.label-hint {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
  white-space: nowrap;
}

.form-control {
  font-size: 18px;
  padding: 10px 14px;
  min-height: 46px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  background: #FFFFFF;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}

.form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(36, 86, 215, 0.12);
}

select.form-control {
  cursor: pointer;
  font-size: 17px;
  min-height: 46px;
}

.unit-toggle-btn {
  font-size: 13px;
  padding: 3px 8px;
  font-weight: 600;
  background: #EDF3FF;
  color: var(--primary-blue);
  border: 1px solid #C0D5FF;
  border-radius: 4px;
  cursor: pointer;
}

/* 試算結果雙面板 (買進 / 賣出) */
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.result-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px 20px;
}

.result-box.buy-box {
  border-top: 4px solid var(--primary-blue);
}

.result-box.sell-box {
  border-top: 4px solid #067647;
}

.box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.box-header .title {
  font-size: 20px;
  font-weight: 700;
}

.result-box.buy-box .title { color: var(--primary-blue); }
.result-box.sell-box .title { color: #067647; }

.box-header .tag {
  font-size: 14px;
  color: var(--text-muted);
}

.calc-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  padding: 6px 0;
  color: var(--text-muted);
}

.calc-line .val {
  font-weight: 600;
  color: var(--text-main);
}

.calc-line.total-line {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-color);
  font-size: 17px;
}

.calc-line.total-line .val {
  font-size: 24px;
  font-weight: 700;
}

.result-box.buy-box .total-line .val { color: var(--primary-blue); }
.result-box.sell-box .total-line .val { color: #067647; }

/* 損益深藍大方塊 */
.profit-dark-card {
  background: var(--bg-dark);
  border-radius: 12px;
  padding: 20px 24px;
  color: #FFFFFF;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.dark-stat .label {
  font-size: 16px;
  color: var(--text-dark-muted);
}

.dark-stat .value {
  font-size: 30px;
  font-weight: 700;
  margin-top: 6px;
}

/* 底部操作固定列 */
.bottom-bar {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.bottom-info {
  font-size: 14px;
  color: var(--text-muted);
}

.bottom-actions {
  display: flex;
  gap: 8px;
}

/* 抽屜樣式 (Drawer) */
.drawer-divider {
  width: 1px;
  background: var(--border-color);
  height: 100vh;
}

.records-drawer {
  width: 480px;
  background: var(--bg-drawer);
  height: 100vh;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-color);
  transition: width 0.3s ease, transform 0.3s ease;
  z-index: 100;
}

.records-drawer.collapsed {
  display: none;
}

.drawer-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-header h2 {
  font-size: 20px;
  font-weight: 700;
}

.drawer-header .count-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 2px;
}

.drawer-toolbar {
  padding: 10px 16px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.drawer-scroll-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.drawer-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 群組摺疊 (Holding / Monthly Groups) */
.group-expander {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}

.group-header {
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  background: #FFFFFF;
  transition: background 0.15s ease;
}

.group-header:hover {
  background: #F8FAFD;
}

.group-header.holding-header {
  border-left: 4px solid var(--primary-blue);
  background: #F4F8FF;
}

.group-title-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.group-title {
  font-size: 19px;
  font-weight: 700;
}

.group-meta {
  font-size: 14px;
  color: var(--text-muted);
}

.group-expenditure {
  margin-top: 4px;
  font-size: 15px;
  color: var(--text-muted);
}

.group-expenditure .amount-blue {
  color: var(--primary-blue);
  font-weight: 600;
}

.group-expenditure .amount-red {
  color: var(--profit-red);
  font-weight: 600;
}

.group-expenditure .amount-green {
  color: var(--loss-green);
  font-weight: 600;
}

.stock-expander {
  border-top: 1px solid var(--border-color);
  background: #FFFFFF;
}

.stock-header {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #FFFFFF;
}

.stock-header:hover {
  background: #F9FBFE;
}

.stock-title {
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stock-title .code {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 400;
}

.stock-val-blue {
  color: var(--primary-blue);
  font-size: 17px;
  font-weight: 600;
}

.stock-val-profit {
  color: var(--profit-red);
  font-size: 17px;
  font-weight: 600;
}

/* 交易卡片 (Record Card) */
.record-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  margin: 10px 14px 14px 14px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.card-dates {
  font-size: 13px;
  color: var(--text-muted);
}

.badge {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-holding {
  background: var(--badge-holding-bg);
  color: var(--badge-holding-text);
}

.badge-settled {
  background: var(--badge-settled-bg);
  color: var(--badge-settled-text);
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
}

.card-profit {
  font-size: 18px;
  font-weight: 700;
}

.card-summary-text {
  font-size: 14px;
  color: #354660;
  line-height: 1.5;
  white-space: pre-line;
  margin-bottom: 10px;
}

/* 方式 A：抽屜卡片內嵌結算面板 */
.settle-panel {
  background: #F3F6FB;
  border: 1px solid #D4DEEB;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 10px;
}

.settle-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settle-row label {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.settle-row input {
  flex: 1;
  font-size: 15px;
  padding: 6px 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.btn-settle {
  background: #067647;
  color: #FFFFFF;
  border: 1px solid #067647;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-settle:hover {
  background: #05603A;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid #EDF2F9;
  padding-top: 8px;
}

.btn-sm {
  font-size: 13px;
  padding: 4px 10px;
}

.btn-danger {
  color: var(--danger-red);
}

/* 提示通知 Banner */
.status-banner {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-top: 8px;
}

.status-banner.success {
  background: #EAF7F0;
  color: #067647;
}

.status-banner.error {
  background: #FDF2F2;
  color: var(--danger-red);
}

/* 彈窗樣式 (Modal) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(16, 24, 40, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-box {
  background: #FFFFFF;
  border-radius: 14px;
  width: 90%;
  max-width: 520px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border-color);
  animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

/* 手機適應性 (Mobile Responsive) */
@media (max-width: 900px) {
  body {
    overflow-y: auto;
  }
  .app-container {
    flex-direction: column;
    height: auto;
  }
  .main-calculator {
    height: auto;
    overflow-y: visible;
  }
  .calc-scroll-content {
    padding: 14px 14px;
  }
  .results-grid {
    grid-template-columns: 1fr;
  }
  .drawer-divider {
    display: none;
  }
  .records-drawer {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    border-left: none;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
  }
}