:root {
  --app-bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-soft: #eff6ff;
  --primary-dark: #1d4ed8;
  --sidebar: #0f172a;
  --sidebar-soft: #1e293b;
  --sidebar-text: #e5edf7;
  --sidebar-muted: #94a3b8;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--app-bg);
  color: var(--text-main);
  font-size: 15px;
}

.app-body {
  min-height: 100vh;
}

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

.app-sidebar {
  width: 288px;
  min-height: 100vh;
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, #0f172a 0%, #111827 55%, #0b1120 100%);
  color: var(--sidebar-text);
  border-right: 1px solid rgba(255,255,255,.06);
  box-shadow: 14px 0 36px rgba(15, 23, 42, .18);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.15rem 1.15rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #60a5fa, #2563eb);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(37,99,235,.35);
}

.brand-title {
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: .02em;
}

.brand-subtitle {
  color: var(--sidebar-muted);
  font-size: .78rem;
  margin-top: .05rem;
}

.sidebar-scroll {
  overflow-y: auto;
  padding: .85rem .85rem 1.2rem;
}

.menu-group {
  margin-bottom: 1rem;
  padding: .7rem;
  border-radius: 18px;
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.055);
}

.menu-group.mobile {
  background: #f8fafc;
  border: 1px solid var(--border);
}

.menu-group-title {
  display: flex;
  align-items: center;
  gap: .55rem;
  color: #fff;
  font-size: .92rem;
  font-weight: 800;
  margin-bottom: .25rem;
}

.menu-group.mobile .menu-group-title {
  color: var(--text-main);
}

.menu-icon {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(96,165,250,.16);
  color: #bfdbfe;
  font-weight: 900;
  font-size: .8rem;
}

.menu-group.mobile .menu-icon {
  color: var(--primary);
  background: var(--primary-soft);
}

.menu-group-hint {
  color: var(--sidebar-muted);
  font-size: .76rem;
  margin: 0 0 .55rem 2.05rem;
}

.menu-list {
  display: grid;
  gap: .25rem;
}

.menu-link {
  display: block;
  padding: .62rem .7rem;
  border-radius: 14px;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: all .15s ease;
}

.menu-group.mobile .menu-link {
  color: var(--text-main);
}

.menu-link:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  transform: translateX(2px);
}

.menu-group.mobile .menu-link:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.menu-link.active {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 12px 26px rgba(2, 6, 23, .22);
}

.menu-group.mobile .menu-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37,99,235,.24);
}

.menu-link-text {
  display: block;
  font-weight: 800;
  line-height: 1.2;
}

.menu-link-desc {
  display: block;
  margin-top: .15rem;
  color: var(--sidebar-muted);
  font-size: .75rem;
  line-height: 1.2;
}

.menu-link.active .menu-link-desc {
  color: #64748b;
}

.menu-group.mobile .menu-link-desc {
  color: var(--text-muted);
}

.menu-group.mobile .menu-link.active .menu-link-desc {
  color: rgba(255,255,255,.72);
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-topbar {
  min-height: 76px;
  position: sticky;
  top: 0;
  z-index: 1020;
  background: rgba(244,247,251,.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226,232,240,.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.25rem;
  gap: 1rem;
}

.topbar-kicker {
  color: var(--text-muted);
  font-size: .78rem;
  font-weight: 700;
}

.topbar-title {
  color: var(--text-main);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: .01em;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(15,23,42,.06);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .38rem .5rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(15,23,42,.05);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #3b82f6, #0f172a);
  color: #fff;
  font-weight: 900;
}

.user-name {
  font-weight: 800;
  font-size: .86rem;
  line-height: 1.1;
}

.user-role {
  color: var(--text-muted);
  font-size: .74rem;
  line-height: 1.1;
  margin-top: .12rem;
}

.content-area {
  padding: 1.35rem;
  max-width: 1680px;
  width: 100%;
}

.app-footer {
  padding: 1rem 1.35rem 1.35rem;
  color: var(--text-muted);
  font-size: .82rem;
}

.footer-dot {
  margin: 0 .35rem;
  opacity: .55;
}

.app-offcanvas {
  width: min(92vw, 360px) !important;
}

.card {
  border: 1px solid rgba(226,232,240,.78);
  border-radius: 1.1rem;
  box-shadow: 0 14px 32px rgba(15, 23, 42, .065);
}

.card-header {
  border-bottom-color: var(--border);
}

.table thead th {
  white-space: nowrap;
  background: #f8fafc;
  color: #334155;
  font-size: .84rem;
}

.table td, .table th {
  vertical-align: middle;
}

.page-title {
  font-weight: 900;
  letter-spacing: .01em;
}

.badge-soft {
  background: #eef2ff;
  color: #3730a3;
}

.form-label {
  font-weight: 700;
  color: #334155;
}

.form-control, .form-select {
  border-radius: .8rem;
  border-color: #cbd5e1;
}

.form-control:focus, .form-select:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 .25rem rgba(37,99,235,.12);
}

.btn {
  border-radius: .78rem;
  font-weight: 700;
}

.btn-sm {
  border-radius: .65rem;
}

.item-row td {
  vertical-align: middle;
}

.stat-card {
  overflow: hidden;
  position: relative;
}

.stat-card::after {
  content: '';
  position: absolute;
  right: -24px;
  top: -24px;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: rgba(37,99,235,.08);
}

.stat-card .label {
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 700;
}

.stat-card .value {
  font-weight: 900;
  font-size: 1.55rem;
  letter-spacing: -.02em;
}

.role-flow-card {
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #fff, #f8fafc);
  padding: 1rem;
  height: 100%;
}

.role-flow-title {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-weight: 900;
  margin-bottom: .4rem;
}

.role-flow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: .75rem;
}

.role-flow-actions a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: .45rem .65rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: .82rem;
}

.min-w-0 {
  min-width: 0;
}

@media (max-width: 991.98px) {
  .app-topbar {
    min-height: 68px;
    padding: .75rem .85rem;
  }
  .content-area {
    padding: 1rem .85rem;
  }
  .topbar-title {
    font-size: 1.05rem;
  }
}

@media (max-width: 575.98px) {
  body {
    font-size: 14px;
  }
  .topbar-user {
    gap: .45rem;
  }
  .user-chip {
    padding: .25rem;
  }
  .stat-card .value {
    font-size: 1.25rem;
  }
}

.role-flow-title .menu-icon {
  color: var(--primary);
  background: var(--primary-soft);
}

/* v15: 同頁 HTML 報價單預覽與列印，避免 iframe / 新視窗 / PDF Viewer 造成的 HTTPS frame 問題 */
.quote-preview-panel {
  max-width: 1040px;
  margin: 0 auto 2rem;
}

.print-quote-area {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: 0 18px 42px rgba(15, 23, 42, .08);
  padding: 2rem;
  color: #0f172a;
}

.quote-letterhead {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid #0f172a;
  margin-bottom: 1.25rem;
}

.quote-kicker {
  color: #64748b;
  font-weight: 800;
  font-size: .9rem;
  letter-spacing: .12em;
}

.quote-title {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: .22em;
  margin: .25rem 0 0;
}

.quote-company {
  text-align: right;
  color: #475569;
  line-height: 1.6;
}

.quote-company-name {
  color: #0f172a;
  font-size: 1.15rem;
  font-weight: 900;
}

.quote-info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.quote-info-grid > div {
  border: 1px solid #e2e8f0;
  border-radius: .85rem;
  padding: .75rem .85rem;
  background: #f8fafc;
}

.quote-info-grid span {
  display: block;
  color: #64748b;
  font-size: .78rem;
  font-weight: 800;
  margin-bottom: .2rem;
}

.quote-info-grid strong {
  display: block;
  font-size: .95rem;
  color: #0f172a;
}

.quote-info-wide {
  grid-column: 1 / -1;
}

.quote-print-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
}

.quote-print-table th,
.quote-print-table td {
  border: 1px solid #cbd5e1;
  padding: .65rem .7rem;
  vertical-align: top;
}

.quote-print-table thead th {
  background: #f1f5f9;
  color: #334155;
  font-weight: 900;
}

.quote-print-table tfoot th {
  background: #f8fafc;
}

.quote-total {
  font-size: 1.1rem;
  font-weight: 900;
}

.quote-item-note {
  margin-top: .2rem;
  color: #64748b;
  font-size: .82rem;
}

.quote-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 2.4rem;
}

.quote-section-title {
  font-weight: 900;
  margin-bottom: .4rem;
}

.quote-paragraph {
  min-height: 70px;
  border: 1px solid #e2e8f0;
  border-radius: .85rem;
  padding: .85rem;
  background: #fff;
  color: #475569;
  line-height: 1.65;
}

.quote-sign-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  text-align: center;
  margin-top: 2rem;
}

.quote-sign-row span {
  color: #64748b;
  font-weight: 800;
  font-size: .9rem;
}

.quote-sign-row div div {
  height: 56px;
  border-bottom: 1px solid #94a3b8;
  margin-top: .5rem;
}

@media (max-width: 991.98px) {
  .quote-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .print-quote-area {
    padding: 1rem;
  }
  .quote-letterhead,
  .quote-note-grid,
  .quote-sign-row {
    grid-template-columns: 1fr;
    display: grid;
  }
  .quote-company {
    text-align: left;
  }
  .quote-info-grid {
    grid-template-columns: 1fr;
  }
}

@media print {
  @page { size: A4; margin: 12mm; }
  body.print-quote-mode {
    background: #fff !important;
  }
  body.print-quote-mode .app-sidebar,
  body.print-quote-mode .app-topbar,
  body.print-quote-mode .app-footer,
  body.print-quote-mode .no-print,
  body.print-quote-mode .quote-preview-toolbar {
    display: none !important;
  }
  body.print-quote-mode .app-shell,
  body.print-quote-mode .app-main,
  body.print-quote-mode .content-area,
  body.print-quote-mode .quote-preview-panel {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    max-width: none !important;
    width: 100% !important;
  }
  body.print-quote-mode .print-quote-area {
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }
  body.print-quote-mode .quote-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  body.print-quote-mode .quote-note-grid,
  body.print-quote-mode .quote-sign-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  body.print-quote-mode .quote-print-table th,
  body.print-quote-mode .quote-print-table td {
    padding: .45rem .5rem;
  }
}

/* v20: 左側選單固定顯示，內容區以 PJAX 載入，避免每次點選單都重新載入整個版面 */
.content-area {
  position: relative;
  transition: opacity .15s ease;
}
.content-area.is-loading {
  opacity: .55;
  pointer-events: none;
}
.content-area.is-loading::before {
  content: '載入中…';
  position: sticky;
  top: 88px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  margin-bottom: .75rem;
  padding: .45rem .8rem;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: 0 10px 26px rgba(15, 23, 42, .12);
  color: var(--primary-dark);
  font-weight: 800;
}

/* v21：側邊欄改為主選單手風琴；預設只顯示主選單，點擊後展開/收起子選單 */
.menu-group {
  padding: .48rem;
}

.menu-group-toggle {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .65rem;
  padding: .34rem .36rem;
  border-radius: 14px;
  text-align: left;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}

.menu-group-toggle:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}

.menu-group.mobile .menu-group-toggle:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.menu-group-main {
  display: flex;
  align-items: center;
  gap: .55rem;
  min-width: 0;
}

.menu-group-text {
  display: block;
  min-width: 0;
}

.menu-group .menu-group-title,
.menu-group.mobile .menu-group-title {
  display: block;
  margin: 0;
  color: inherit;
  font-size: .92rem;
  font-weight: 850;
  line-height: 1.15;
}

.menu-group .menu-group-hint {
  display: block;
  margin: .12rem 0 0;
  color: var(--sidebar-muted);
  font-size: .74rem;
  line-height: 1.15;
}

.menu-group.mobile .menu-group-hint {
  color: var(--text-muted);
}

.menu-chevron {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--sidebar-muted);
  background: rgba(255,255,255,.05);
  font-size: 1.15rem;
  line-height: 1;
  transition: transform .16s ease, background .16s ease, color .16s ease;
  flex-shrink: 0;
}

.menu-group.mobile .menu-chevron {
  color: var(--text-muted);
  background: #eef2ff;
}

.menu-group.is-open .menu-chevron {
  transform: rotate(90deg);
  color: #fff;
  background: rgba(96,165,250,.22);
}

.menu-group.mobile.is-open .menu-chevron {
  color: var(--primary-dark);
  background: #dbeafe;
}

.menu-group.has-active > .menu-group-toggle {
  background: rgba(96,165,250,.12);
}

.menu-group.mobile.has-active > .menu-group-toggle {
  background: #eef6ff;
}

.menu-group.is-open > .menu-list {
  display: grid;
  margin-top: .45rem;
  padding-top: .45rem;
  border-top: 1px solid rgba(255,255,255,.075);
}

.menu-group.mobile.is-open > .menu-list {
  border-top-color: var(--border);
}

.menu-group > .menu-list[hidden] {
  display: none !important;
}

.menu-group:not(.is-open) {
  margin-bottom: .55rem;
}

.menu-group.is-open {
  margin-bottom: .85rem;
}

@media (prefers-reduced-motion: reduce) {
  .menu-group-toggle,
  .menu-chevron {
    transition: none;
  }
}