/* 木子科技會計系統 — 主樣式表 */

:root {
  --primary: #1d3461;
  --primary-light: #1a6bb5;
  --accent: #0a84ff;
  --success: #34c759;
  --danger: #ff3b30;
  --warning: #ff9500;
  --income-color: #34c759;
  --expense-color: #ff3b30;
  --capital-color: #5856d6;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --sidebar-width: 220px;
  --header-height: 60px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Microsoft JhengHei',
               'Noto Sans TC', Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
}

/* ── Layout ────────────────────────────────────────── */

#app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--primary);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .25s ease;
}

.sidebar-logo {
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.sidebar-logo .logo-icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.sidebar-logo .company {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
}

.sidebar-logo .system {
  font-size: 11px;
  opacity: .6;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  border-radius: 0;
  transition: background .15s;
  font-size: 13.5px;
  color: rgba(255,255,255,.75);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

.nav-item:hover { background: rgba(255,255,255,.1); color: white; }

.nav-item.active {
  background: rgba(255,255,255,.15);
  color: white;
  font-weight: 600;
}

.nav-item .icon { font-size: 16px; min-width: 20px; text-align: center; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,.1);
}

.btn-logout {
  width: 100%;
  padding: 9px 12px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  border: none;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-logout:hover { background: rgba(255,255,255,.2); }

/* Main content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-header {
  height: var(--header-height);
  background: white;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.year-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.year-selector select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-primary);
  background: white;
  cursor: pointer;
}

.page-content {
  padding: 24px;
  flex: 1;
}

/* ── Cards & Stats ─────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: white;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  border: 1px solid var(--border);
}

.stat-card .label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-card .value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.5px;
}

.stat-card .value.income { color: var(--income-color); }
.stat-card .value.expense { color: var(--expense-color); }
.stat-card .value.warning { color: var(--warning); }

.stat-card .sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Panel / Card ──────────────────────────────────── */

.panel {
  background: white;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  margin-bottom: 20px;
  overflow: hidden;
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.panel-body { padding: 20px; }

/* ── Buttons ───────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  text-decoration: none;
}

.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { opacity: .88; }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { opacity: .88; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { opacity: .88; }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: rgba(29,52,97,.05); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); }

.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-lg { padding: 13px 24px; font-size: 15px; }

/* ── Forms ─────────────────────────────────────────── */

.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  background: #fafafa;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(29,52,97,.08);
}

.form-control::placeholder { color: var(--text-muted); }

select.form-control { cursor: pointer; }

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 5px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Type toggle (Income / Expense) */
.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.type-btn {
  padding: 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  border: 2px solid var(--border);
  background: white;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
  color: var(--text-secondary);
}

.type-btn.income.active {
  border-color: var(--income-color);
  background: rgba(52,199,89,.08);
  color: var(--income-color);
}

.type-btn.expense.active {
  border-color: var(--expense-color);
  background: rgba(255,59,48,.08);
  color: var(--expense-color);
}
.type-btn.capital.active {
  border-color: var(--capital-color);
  background: rgba(88,86,214,.08);
  color: var(--capital-color);
}

/* VAT display */
.vat-breakdown {
  background: var(--bg);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 8px;
  display: none;
}

.vat-breakdown.show { display: flex; gap: 24px; flex-wrap: wrap; }

.vat-item { font-size: 12px; color: var(--text-secondary); }
.vat-item .vat-val { font-weight: 700; color: var(--text-primary); margin-left: 4px; }

/* ── Transaction list ──────────────────────────────── */

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}

.filter-bar select,
.filter-bar input {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: white;
  color: var(--text-primary);
  outline: none;
}

.filter-bar input { min-width: 180px; }

.txn-list { list-style: none; }

.txn-item {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  transition: background .1s;
  padding-left: 4px;
  padding-right: 4px;
  border-radius: 4px;
}

.txn-item:hover { background: rgba(0,0,0,.02); }
.txn-item:last-child { border-bottom: none; }

.txn-type-badge {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.txn-type-badge.income { background: rgba(52,199,89,.12); }
.txn-type-badge.expense { background: rgba(255,59,48,.1); }
.txn-type-badge.capital { background: rgba(88,86,214,.12); }

.txn-info { flex: 1; min-width: 0; }

.txn-summary {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.txn-meta {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.txn-amount {
  flex-shrink: 0;
  text-align: right;
}

.txn-amount .amount {
  font-size: 16px;
  font-weight: 700;
  display: block;
}

.txn-amount .amount.income { color: var(--income-color); }
.txn-amount .amount.expense { color: var(--expense-color); }
.txn-amount .amount.capital { color: var(--capital-color); }

.txn-amount .voucher {
  font-size: 11px;
  color: var(--text-muted);
}

/* ── File upload ───────────────────────────────────── */

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--bg);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(29,52,97,.04);
}

.upload-zone .icon { font-size: 28px; margin-bottom: 8px; }
.upload-zone p { font-size: 13px; color: var(--text-secondary); }
.upload-zone span { color: var(--primary); font-weight: 600; }

.file-list { margin-top: 12px; }

.file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
}

.file-item .file-icon { font-size: 18px; }
.file-item .file-info { flex: 1; min-width: 0; }
.file-item .file-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .file-size { font-size: 11px; color: var(--text-muted); }
.file-item .file-remove { color: var(--danger); background: none; border: none; cursor: pointer; font-size: 16px; }

/* ── Tag / Badge ───────────────────────────────────── */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.tag-income { background: rgba(52,199,89,.12); color: #16a34a; }
.tag-expense { background: rgba(255,59,48,.1); color: #dc2626; }
.tag-blue { background: rgba(29,52,97,.1); color: var(--primary); }
.tag-gray { background: var(--bg); color: var(--text-secondary); }

/* Summary quick-select chips */
.summary-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.summary-chips:empty { display: none; }
.chip {
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 12px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  transition: all .15s;
  user-select: none;
}
.chip:hover { border-color: var(--primary-light); color: var(--primary); background: rgba(29,52,97,.06); }
.chip.selected { border-color: var(--primary); background: var(--primary); color: #fff; }

/* ── Report tabs ────────────────────────────────────── */
.report-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}
.report-tab {
  padding: 8px 18px;
  border: none;
  background: none;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  border-radius: 4px 4px 0 0;
  transition: all .15s;
}
.report-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.report-tab:hover:not(.active) { background: var(--bg); color: var(--text-primary); }

/* ── Export cards ────────────────────────────────────── */
.export-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .export-grid { grid-template-columns: 1fr; } }
.export-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}
.export-card h4 { margin: 0 0 4px; font-size: 14px; }
.export-card p { margin: 0 0 12px; font-size: 12px; color: var(--text-secondary); }

/* ── Voucher row hover ──────────────────────────────── */
.voucher-row:hover { background: var(--bg); }

/* ── Print styles ───────────────────────────────────── */
@media print {
  .no-print, .sidebar, .top-header, .modal-overlay > .modal > .modal-footer { display: none !important; }
  .modal-overlay { position: static !important; background: none !important; }
  .modal { box-shadow: none !important; max-width: 100% !important; }
  .print-voucher { padding: 20px; font-family: sans-serif; }
}

/* ── Modal ─────────────────────────────────────────── */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  display: none;
}

.modal-overlay.open { display: flex; }

.modal {
  background: white;
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  position: relative;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: 17px; font-weight: 700; }

.modal-close {
  width: 30px; height: 30px;
  background: var(--bg); border: none;
  border-radius: 50%; cursor: pointer;
  font-size: 16px; color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}

.modal-close:hover { background: var(--border); }

.modal-body { padding: 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Toast notification ────────────────────────────── */

.toast-container {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
  animation: slideIn .25s ease;
  max-width: 300px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.success { background: white; color: #16a34a; border-left: 3px solid var(--success); }
.toast.error   { background: white; color: #dc2626; border-left: 3px solid var(--danger); }
.toast.info    { background: white; color: var(--primary); border-left: 3px solid var(--primary); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Utilities ─────────────────────────────────────── */

.loading { text-align: center; padding: 40px; color: var(--text-muted); font-size: 14px; }
.empty-state { text-align: center; padding: 48px; color: var(--text-muted); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-family: 'SF Mono', 'Menlo', monospace; }

/* ── Responsive ────────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding: 16px;
  }

  .hamburger {
    display: flex !important;
  }
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-primary);
  padding: 4px;
}

.backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}

.backdrop.show { display: block; }

/* Amount input with ¥ prefix */
.amount-input-wrap {
  position: relative;
}

.amount-prefix {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  pointer-events: none;
}

.amount-input-wrap input {
  padding-left: 26px;
}

/* Simplified Chinese preview */
.zh-preview {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  min-height: 18px;
}

.zh-preview.has-content { color: #6b7280; }