:root {
  --bg: #f5efe6;
  --ink: #1f1f1f;
  --muted: #6d6d6d;
  --accent: #ff5c35;
  --accent-2: #1b998b;
  --card: #ffffff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  position: relative;
}

.bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 10% 10%, rgba(255, 92, 53, 0.15), transparent 50%),
    radial-gradient(circle at 90% 20%, rgba(27, 153, 139, 0.2), transparent 55%),
    linear-gradient(135deg, #f5efe6 0%, #f7f1e1 100%);
  z-index: -1;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 3rem 6vw 2rem;
}

.hero > div:first-child {
  flex: 1 1 0;
}

.filters {
  flex: 0 0 33.333%;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.7rem;
  color: var(--accent-2);
  font-weight: 600;
}

h1 {
  font-family: "DM Serif Display", serif;
  font-size: clamp(2.5rem, 4vw, 4rem);
  margin: 0.6rem 0;
}

.sub {
  color: var(--muted);
  max-width: 28rem;
}

.sub a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.sub a:hover {
  text-decoration: underline;
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 1rem;
  background: var(--card);
  padding: 1.2rem;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
}

.field label {
  font-size: 0.75rem;
  color: var(--muted);
}

.field input,
.field select {
  margin-top: 0.4rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid #ddd;
  border-radius: 0.6rem;
  width: 100%;
  font-family: inherit;
}

.month-quick {
  grid-column: 1 / -1;
}

.month-buttons {
  margin-top: 0.4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 0.5rem;
}

.month-chip {
  border: 1px solid #e5dbcf;
  background: #faf7f2;
  border-radius: 0.8rem;
  padding: 0.45rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
  font-weight: 600;
}

.month-chip:hover {
  transform: translateY(-2px);
  background: #f3ede6;
}

.month-chip.active {
  background: #111;
  color: #fff;
  border-color: #111;
}

#refresh,
.filter-actions button,
.ghost-button {
  align-self: end;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}

#refresh:hover {
  transform: translateY(-2px);
}

#refresh {
  background: var(--accent);
  color: white;
}

.filter-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

#refreshCache {
  background: var(--accent-2);
  color: #fff;
}

#refreshCache:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

#refreshCache:disabled:hover {
  transform: none;
}

.cache-status {
  grid-column: 1 / -1;
  justify-self: end;
  color: var(--muted);
  font-size: 0.8rem;
}

.cache-status.error {
  color: #b23a1f;
}

main {
  padding: 0 6vw 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.tabs {
  display: flex;
  gap: 0.6rem;
}

.tab {
  border: 1px solid #ddd;
  background: #fff;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.tab.active {
  background: #111;
  color: #fff;
  border-color: #111;
}

.tab-panel {
  display: none;
  flex-direction: column;
  gap: 2rem;
}

.tab-panel.active {
  display: flex;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  padding: 1.4rem;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  animation: floatIn 0.6s ease both;
}

.card h2 {
  font-size: clamp(1.1rem, 2.2vw, 1.8rem);
  line-height: 1.2;
  margin: 0.4rem 0 0.2rem;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hint {
  font-size: 0.75rem;
  color: var(--muted);
}

.panel {
  background: var(--card);
  padding: 1.6rem;
  border-radius: 1.6rem;
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-header p {
  color: var(--muted);
  font-size: 0.9rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.list {
  display: grid;
  gap: 0.8rem;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  border-radius: 0.9rem;
  background: #faf7f2;
  gap: 1rem;
}

.clickable {
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.clickable:hover {
  transform: translateY(-2px);
  background: #f3ede6;
}

.invoice-split {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 2fr;
  gap: 1.2rem;
  align-items: start;
}

.invoice-search input {
  padding: 0.5rem 0.7rem;
  border-radius: 0.7rem;
  border: 1px solid #ddd;
  font-family: inherit;
  min-width: 220px;
}

.invoice-split #invoiceList {
  max-height: 520px;
  overflow: auto;
  padding-right: 0.3rem;
}

.invoice-split #invoiceList::-webkit-scrollbar {
  width: 6px;
}

.invoice-split #invoiceList::-webkit-scrollbar-thumb {
  background: #e0d5c8;
  border-radius: 999px;
}

.invoice-detail {
  background: #fbf8f2;
  border-radius: 1rem;
  padding: 0.7rem 0.9rem;
  display: grid;
  gap: 0.5rem;
  min-height: 200px;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.drawer-meta h3 {
  font-size: 1.6rem;
  margin: 0.2rem 0;
}

.drawer-meta #drawerInvoiceNo {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.drawer-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--muted);
}

#drawerSubtitle {
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.table {
  display: grid;
  gap: 0.1rem;
  align-content: start;
}

.table-row {
  display: grid;
  grid-template-columns: 2fr 0.8fr 1fr 1fr;
  gap: 0.6rem;
  padding: 0.3rem 0.4rem;
  border-radius: 0.4rem;
  background: transparent;
  border-bottom: 1px solid #efe6dc;
  font-size: 0.85rem;
}

.table-row.head {
  font-weight: 600;
  background: transparent;
  border-bottom: 2px solid #e0d5c8;
}

.meta-chip {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: #f3ede6;
  border: 1px solid #e5dbcf;
  font-size: 0.8rem;
  color: var(--ink);
  white-space: nowrap;
}

.meta-chip.danger {
  background: rgba(255, 92, 53, 0.12);
  border-color: rgba(255, 92, 53, 0.4);
  color: #b23a1f;
}

.meta-group {
  display: inline-flex;
  gap: 0.4rem;
  margin-left: 0.4rem;
}

.meta-chip.strong {
  font-weight: 600;
}

.date-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 0.5rem;
}

.date-chip {
  border: 1px solid #e5dbcf;
  background: #faf7f2;
  border-radius: 0.8rem;
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.date-chip:hover {
  transform: translateY(-2px);
  background: #f3ede6;
}

.date-chip.active {
  background: #111;
  color: #fff;
  border-color: #111;
}

.calendar-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr)) minmax(80px, 100px);
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  align-items: end;
}

.calendar-controls .field label {
  font-size: 0.7rem;
}

.calendar-controls .field select {
  padding: 0.4rem 0.5rem;
  border-radius: 0.6rem;
}

.date-list.compact {
  grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
  gap: 0.35rem;
}

.date-list.compact .date-chip {
  padding: 0.35rem 0;
  font-size: 0.8rem;
  border-radius: 0.6rem;
}

.ghost-button {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 0.7rem;
  padding: 0.5rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.ghost-button:hover {
  transform: translateY(-2px);
}

.badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
}

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

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 900px) {
  .invoice-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .filters {
    grid-template-columns: 1fr;
  }

  .month-quick {
    grid-column: auto;
  }

  .month-buttons {
    grid-template-columns: 1fr;
  }
}