/* CSS Variables - White & Blue Theme */
:root {
  --bg-page: #ffffff;
  --bg-card: #ffffff;
  --bg-section: #f8f9fa;
  --text-heading: #1a1a1a;
  --text-body: #333333;
  --text-muted: #666666;
  --text-3: #999999;
  --border-default: #d0d0d0;
  --color-primary: #2f6ce5;
  --warning: #f59e0b;
  --error: #dc2626;
  --accent2: #2f6ce5;
  --mono: 'Space Mono', monospace;
}

body {
  background-color: var(--bg-page);
  color: var(--text-body);
  font-family: 'DM Sans', sans-serif;
}

/* App container & layout */
.app { max-width: 1300px; margin: 0 auto; padding: 2rem 1.5rem; }

/* Header section */
header { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid var(--border-default); padding-bottom: 1.5rem; margin-bottom: 2rem; }
.header-left { flex: 1; }
.header-right { display: flex; gap: 1rem; }

.badge { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--color-primary); background: rgba(47, 108, 229, 0.08); border: 1px solid rgba(47, 108, 229, 0.2); padding: 0.25rem 0.6rem; border-radius: 3px; margin-bottom: 0.5rem; }
.badge::before { content: '●'; font-size: 8px; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

h1 { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.5px; line-height: 1.1; }
h1 span { color: var(--color-primary); }

.subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.3rem; font-weight: 300; }

.ruling-badge { font-size: 10px; padding: 0.4rem 0.7rem; background: rgba(220, 38, 38, 0.1); border: 1px solid rgba(220, 38, 38, 0.3); color: var(--error); border-radius: 3px; letter-spacing: 1px; text-transform: uppercase; text-align: center; line-height: 1.5; }

/* Panel & section styles */
.panel { background: var(--bg-card); border: 1px solid var(--border-default); border-radius: 10px; padding: 1.5rem; margin-bottom: 1.25rem; }

.panel-title { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--color-primary); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.panel-title::before { content: ''; display: inline-block; width: 16px; height: 1px; background: var(--color-primary); }

/* Upload section */
.upload-zone { border: 2px dashed var(--border-default); border-radius: 6px; padding: 2.5rem; text-align: center; cursor: pointer; transition: all 0.2s; background: var(--bg-section); }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--color-primary); background: rgba(47, 108, 229, 0.04); }
.upload-icon { font-size: 2.25rem; margin-bottom: 0.75rem; }
.upload-main { font-size: 0.9rem; font-weight: 500; margin-bottom: 0.35rem; }
.upload-sub { font-size: 0.75rem; color: var(--text-muted); }
input[type=file] { display: none; }

/* Tabs */
.tabs { display: flex; gap: 0; margin-bottom: 0; border-bottom: 1px solid var(--border-default); }
.tab { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; padding: 0.6rem 1.1rem; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.2s; }
.tab:hover { color: var(--text-body); }
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* Summary grid */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.9rem; margin-bottom: 1.25rem; }
.metric-card { background: var(--bg-section); border: 1px solid var(--border-default); border-radius: 6px; padding: 1.1rem; position: relative; overflow: hidden; }
.metric-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--color-primary); }
.metric-card.warn::after { background: var(--warning); }
.metric-card.danger::after { background: var(--error); }
.metric-card.info::after { background: #2563EB; }

.metric-label { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.5rem; }
.metric-value { font-size: 1.4rem; font-weight: 700; color: var(--text-heading); }
.metric-value.accent { color: var(--color-primary); }
.metric-value.warn { color: var(--warning); }
.metric-value.danger { color: var(--error); }
.metric-sub { font-size: 11px; color: var(--text-muted); margin-top: 0.25rem; }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: 6px; border: 1px solid var(--border-default); }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
thead tr { background: var(--bg-section); border-bottom: 1px solid var(--border-default); }
th { font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-muted); padding: 0.6rem 0.9rem; text-align: left; white-space: nowrap; cursor: pointer; user-select: none; }
th:hover { color: var(--text-body); }
th .sort-arrow { opacity: 0.4; margin-left: 0.25rem; }
th.sorted .sort-arrow { opacity: 1; color: var(--color-primary); }
tbody tr { border-bottom: 1px solid var(--border-default); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(47, 108, 229, 0.02); }
td { padding: 0.6rem 0.9rem; color: var(--text-body); white-space: nowrap; font-size: 11px; }
td.highlight { color: var(--text-heading); font-weight: 500; }

/* Status pills */
.status-pill { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 9px; letter-spacing: 1px; text-transform: uppercase; padding: 0.2rem 0.5rem; border-radius: 3px; }
.status-pill.unliquidated { background: rgba(47, 108, 229, 0.1); color: var(--color-primary); border: 1px solid rgba(47, 108, 229, 0.2); }
.status-pill.liquidated { background: rgba(245, 158, 11, 0.1); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.status-pill.expired { background: rgba(220, 38, 38, 0.1); color: var(--error); border: 1px solid rgba(220, 38, 38, 0.2); }
.status-pill::before { content: '●'; font-size: 6px; }

.ieepa-pill { display: inline-flex; align-items: center; font-size: 9px; letter-spacing: 1px; padding: 0.15rem 0.4rem; border-radius: 3px; background: rgba(37, 99, 235, 0.1); color: #2563EB; border: 1px solid rgba(37, 99, 235, 0.2); }

.amount-pos { color: var(--color-primary); }
.amount-neg { color: var(--error); }
.amount-refund { color: #10b981; }

/* Filters & buttons */
.filter-bar { display: flex; gap: 0.6rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.filter-input { background: var(--bg-section); border: 1px solid var(--border-default); color: var(--text-heading); font-size: 11px; padding: 0.5rem 0.75rem; border-radius: 4px; outline: none; transition: border-color 0.2s; min-width: 200px; }
.filter-input:focus { border-color: var(--color-primary); }
.filter-input::placeholder { color: var(--text-muted); }

.filter-select { background: var(--bg-section); border: 1px solid var(--border-default); color: var(--text-body); font-size: 11px; padding: 0.5rem 0.75rem 0.5rem 0.75rem; border-radius: 4px; outline: none; cursor: pointer; appearance: none; -webkit-appearance: none; padding-right: 1.75rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b7280'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.6rem center; }
.filter-select:focus { border-color: var(--color-primary); }

.btn { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; border: 1px solid; transition: all 0.2s; }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); font-weight: 700; }
.btn-primary:hover { background: #1e5bc9; }
.btn-outline { background: transparent; color: var(--color-primary); border-color: rgba(47, 108, 229, 0.4); }
.btn-outline:hover { border-color: var(--color-primary); background: rgba(47, 108, 229, 0.05); }
.btn-ghost { background: transparent; color: var(--text-body); border-color: var(--border-default); }
.btn-ghost:hover { color: var(--text-heading); border-color: var(--border-default); background: var(--bg-section); }

/* Legend */
.legend-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 0.6rem; max-height: 320px; overflow-y: auto; }
.legend-item { display: flex; gap: 0.6rem; align-items: flex-start; padding: 0.6rem 0.75rem; background: var(--bg-section); border: 1px solid var(--border-default); border-radius: 4px; }
.legend-code { font-size: 11px; color: #2563EB; flex-shrink: 0; min-width: 100px; }
.legend-desc { font-size: 11px; color: var(--text-body); line-height: 1.4; }

/* Action items */
.action-list { display: flex; flex-direction: column; gap: 0.6rem; }
.action-item { display: flex; gap: 0.9rem; align-items: flex-start; padding: 0.9rem 1rem; background: var(--bg-section); border: 1px solid var(--border-default); border-radius: 6px; border-left: 3px solid; }
.action-item.urgent { border-left-color: var(--error); }
.action-item.normal { border-left-color: var(--warning); }
.action-item.info { border-left-color: #2563EB; }
.action-num { font-size: 10px; color: var(--text-muted); flex-shrink: 0; margin-top: 0.1rem; }
.action-text { flex: 1; }
.action-title { font-weight: 500; font-size: 13px; margin-bottom: 0.25rem; }
.action-desc { font-size: 12px; color: var(--text-body); line-height: 1.5; }

/* Empty state */
.empty-state { text-align: center; padding: 3.75rem 1.25rem; color: var(--text-muted); }
.empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.3; }
.empty-text { font-size: 13px; letter-spacing: 1px; }

/* Sample banner */
.sample-banner { background: rgba(245, 158, 11, 0.06); border: 1px solid rgba(245, 158, 11, 0.2); border-radius: 6px; padding: 0.75rem 1rem; font-size: 12px; color: var(--warning); display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.25rem; }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 0.5rem; justify-content: flex-end; margin-top: 0.75rem; font-size: 11px; color: var(--text-muted); }
.page-btn { background: var(--bg-section); border: 1px solid var(--border-default); color: var(--text-body); padding: 0.25rem 0.6rem; border-radius: 3px; cursor: pointer; font-size: 10px; transition: all 0.15s; }
.page-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); font-weight: 700; }
.page-btn:disabled { opacity: 0.3; cursor: default; }

/* Country breakdown */
.country-bar { display: flex; flex-direction: column; gap: 0.5rem; }
.country-row { display: flex; align-items: center; gap: 0.6rem; }
.country-name { font-size: 11px; color: var(--text-body); min-width: 80px; }
.country-track { flex: 1; height: 6px; background: var(--border-default); border-radius: 3px; overflow: hidden; }
.country-fill { height: 100%; border-radius: 3px; background: var(--color-primary); transition: width 0.5s ease; }
.country-amt { font-size: 11px; color: var(--text-heading); min-width: 100px; text-align: right; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Tab content */
.tab-content { display: none; padding-top: 1.25rem; }
.tab-content.active { display: block; }

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 1.25rem; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .legend-grid { grid-template-columns: 1fr; }
}

/* Deadline indicators */
.deadline-urgent { color: var(--error); font-weight: 700; }
.deadline-warn { color: var(--warning); }
.deadline-ok { color: var(--color-primary); }

/* Modal */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal-content { background: var(--bg-card); border-radius: 12px; max-width: 500px; width: 90%; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15); animation: slideIn 0.3s ease-out; }
@keyframes slideIn { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem; border-bottom: 1px solid var(--border-default); }
.modal-header h2 { margin: 0; font-size: 1.3rem; color: var(--text-heading); }
.modal-close { background: none; border: none; font-size: 1.5rem; color: var(--text-muted); cursor: pointer; padding: 0; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; transition: color 0.2s; }
.modal-close:hover { color: var(--text-heading); }
.modal-body { padding: 2rem 1.5rem; }

/* Spinning number animation */
@keyframes spin { from { transform: rotateX(90deg); opacity: 0; } to { transform: rotateX(0deg); opacity: 1; } }
#modal-refund-amount { perspective: 1000px; }
#modal-refund-amount.spinning { animation: spin 0.5s ease-out; }

/* Starburst animation */
@keyframes starburst { 0% { transform: translate(0, 0) scale(0); opacity: 1; } 100% { transform: translate(var(--tx), var(--ty)) scale(1); opacity: 0; } }
.starburst { position: absolute; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; font-size: 48px; font-weight: bold; pointer-events: none; text-shadow: 0 0 8px rgba(0, 0, 0, 0.2); }
.starburst-item { animation: starburst 1s ease-out forwards; }

/* ============================================================
   FAQ COMPONENT STYLES
   ============================================================ */
.faq-root {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.faq-heading {
  margin-bottom: 48px;
}

.faq-heading h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.15;
  margin-bottom: 10px;
}

.faq-heading p {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 300;
}

.faq-heading-rule {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  margin: 18px 0 0;
}

/* Tier filter */
.tier-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 44px;
}

.tier-btn {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid var(--border-default);
  background: var(--bg-card);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.2px;
  transition: all 0.18s;
  white-space: nowrap;
}

.tier-btn:hover {
  border-color: var(--text-body);
  color: var(--text-body);
}

.tier-btn.active {
  background: var(--text-heading);
  border-color: var(--text-heading);
  color: var(--bg-card);
}

/* Category */
.faq-cat {
  margin-bottom: 48px;
}

.cat-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1.5px solid var(--border-default);
}

.cat-icon {
  font-size: 1.25rem;
  margin-top: 1px;
  line-height: 1;
}

.cat-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 2px;
}

.cat-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 300;
}

/* Accordion item */
.faq-item {
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--bg-card);
  margin-bottom: 8px;
  transition: box-shadow 0.2s;
}

.faq-item.open {
  border-color: #b0a890;
  box-shadow: 0 3px 16px rgba(16, 24, 32, 0.07);
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  text-align: left;
  font-family: 'DM Sans', sans-serif;
}

.faq-trigger-inner {
  flex: 1;
  min-width: 0;
}

.faq-q-text {
  display: block;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.45;
  margin-bottom: 6px;
}

.faq-item.open .faq-q-text {
  color: var(--color-primary);
}

.badges {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 100px;
}

.b-basic {
  background: rgba(47, 108, 229, 0.1);
  color: #1a3f6f;
}

.b-inter {
  background: #fff8e8;
  color: #6b4200;
}

.b-pro {
  background: #f3eeff;
  color: #3d1a7a;
}

.b-all {
  background: #eefaf3;
  color: #0f5132;
}

.faq-arrow {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.22s;
  color: var(--text-muted);
  margin-top: 1px;
}

.faq-arrow svg {
  transition: transform 0.22s;
}

.faq-item.open .faq-arrow {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--bg-card);
}

.faq-item.open .faq-arrow svg {
  transform: rotate(180deg);
}

/* Answer panel */
.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-panel {
  max-height: 800px;
}

.faq-answer {
  padding: 0 20px 22px;
  border-top: 1px solid var(--border-default);
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.78;
  padding-top: 18px;
}

.faq-answer strong {
  color: var(--text-heading);
  font-weight: 600;
}

.faq-answer ul,
.faq-answer ol {
  margin: 10px 0 10px 20px;
}

.faq-answer li {
  margin-bottom: 5px;
}

.callout {
  background: var(--bg-section);
  border-left: 3px solid var(--color-primary);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  margin: 14px 0;
  font-size: 0.86rem;
  color: var(--text-body);
}

.callout.alert {
  background: #fff5f5;
  border-left-color: #c04444;
}

.callout-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 3px;
}

.callout.alert .callout-label {
  color: #c04444;
}

@media (max-width: 540px) {
  .faq-root {
    padding: 40px 16px 60px;
  }
  .tier-nav {
    gap: 6px;
  }
  .tier-btn {
    font-size: 0.78rem;
    padding: 7px 14px;
  }
}