:root {
  --bc-orange: #E8611A;
  --bc-orange-dark: #C04E10;
  --bc-orange-light: #F4884A;
  --bc-orange-pale: #F9F0EA;
  --bc-brown: #5A4A3A;
  --bc-white: #FFFFFF;
  --bc-green: #2E7D32;
  --bc-red: #C62828;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bc-orange-pale);
  color: var(--bc-brown);
}

/* ---------- Login ---------- */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bc-orange-pale);
}

.login-card {
  background: var(--bc-white);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 2.5rem;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-card img {
  max-width: 180px;
  margin-bottom: 1.5rem;
}

.login-card input[type="password"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.login-card button {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bc-orange);
  color: var(--bc-white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.login-card button:hover {
  background: var(--bc-orange-dark);
}

.login-error {
  color: var(--bc-red);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* ---------- Header ---------- */

.app-header {
  background: var(--bc-orange);
  color: var(--bc-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.app-header .header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-header img {
  height: 40px;
}

.app-header h1 {
  font-size: 1.25rem;
  margin: 0;
  font-weight: 600;
}

.app-header .header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.btn-scan {
  background: var(--bc-white);
  color: var(--bc-orange);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.btn-scan:hover {
  opacity: 0.9;
}

.btn-scan:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.logout-link {
  color: var(--bc-white);
  text-decoration: none;
}

.logout-link:hover {
  text-decoration: underline;
}

/* ---------- Layout ---------- */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ---------- KPI Cards ---------- */

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bc-white);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 1.25rem;
  border-top: 3px solid var(--bc-brown);
}

.kpi-card.pending { border-top-color: var(--bc-orange-dark); }
.kpi-card.processed { border-top-color: var(--bc-green); }
.kpi-card.rejected { border-top-color: var(--bc-red); }

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--bc-brown);
}

.kpi-card.pending .kpi-value { color: var(--bc-orange-dark); }
.kpi-card.processed .kpi-value { color: var(--bc-green); }
.kpi-card.rejected .kpi-value { color: var(--bc-red); }

.kpi-label {
  font-size: 0.85rem;
  color: var(--bc-brown);
  margin-top: 0.25rem;
}

/* ---------- Filters ---------- */

.filter-bar {
  background: var(--bc-white);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
}

.tab {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  background: var(--bc-white);
  color: var(--bc-brown);
  border: 1px solid #eee;
  cursor: pointer;
  font-size: 0.9rem;
}

.tab.active {
  background: var(--bc-orange);
  color: var(--bc-white);
  border-color: var(--bc-orange);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bc-orange-pale);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  flex: 1;
  min-width: 200px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 0.9rem;
}

.date-filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.date-filters input {
  padding: 0.4rem;
  border: 1px solid #ddd;
  border-radius: 6px;
}

.btn-reset {
  background: var(--bc-white);
  border: 1px solid var(--bc-brown);
  color: var(--bc-brown);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

/* ---------- Table ---------- */

.table-wrap {
  background: var(--bc-white);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: var(--bc-orange-pale);
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.85rem;
  white-space: nowrap;
}

th {
  color: var(--bc-brown);
  font-weight: 600;
}

tbody tr {
  background: var(--bc-white);
  border-bottom: 1px solid #f0f0f0;
}

tbody tr:nth-child(even) {
  background: #FAFAFA;
}

tbody tr:hover {
  background: var(--bc-orange-pale);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.badge-status-pending {
  background: #FFF3E0;
  color: #C04E10;
  border: 1px solid #E8611A;
}

.badge-status-processed {
  background: #E8F5E9;
  color: #2E7D32;
}

.badge-status-rejected {
  background: #FFEBEE;
  color: #C62828;
}

.badge-method-digital {
  background: #E3F2FD;
  color: #1565C0;
}

.badge-method-ocr {
  background: #FFF8E1;
  color: #F57F17;
}

.badge-method-failed {
  background: #FFEBEE;
  color: #C62828;
}

.btn-view {
  background: var(--bc-orange);
  color: var(--bc-white);
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  margin-right: 0.4rem;
}

select.status-dropdown {
  padding: 0.35rem;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-size: 0.8rem;
}

/* ---------- Side Panel ---------- */

.overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 100;
  display: none;
}

.overlay.open {
  display: block;
}

.side-panel {
  position: fixed;
  top: 0;
  right: -45%;
  width: 45%;
  height: 100%;
  background: var(--bc-white);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 101;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
}

.side-panel.open {
  right: 0;
}

.panel-header {
  background: var(--bc-orange-pale);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #eee;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--bc-brown);
}

.panel-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--bc-brown);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
}

.panel-body iframe {
  width: 100%;
  height: 400px;
  border: 1px solid #eee;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.field-item label {
  display: block;
  font-size: 0.75rem;
  color: #999;
  margin-bottom: 0.15rem;
}

.field-item div.value {
  font-size: 0.9rem;
  color: var(--bc-brown);
  font-weight: 500;
}

.panel-body textarea {
  width: 100%;
  min-height: 80px;
  padding: 0.6rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
}

.panel-actions {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid #eee;
}

.btn-process {
  background: var(--bc-green);
  color: var(--bc-white);
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  flex: 1;
}

.btn-reject {
  background: var(--bc-red);
  color: var(--bc-white);
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  flex: 1;
}

.btn-close-panel {
  background: var(--bc-white);
  color: var(--bc-brown);
  border: 1px solid var(--bc-brown);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  flex: 1;
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: var(--bc-white);
  border-radius: 10px;
  padding: 1.5rem;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal h3 {
  margin-top: 0;
  color: var(--bc-brown);
}

.timeline-item {
  border-left: 2px solid var(--bc-orange);
  padding-left: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bc-orange);
}

.timeline-date {
  font-size: 0.8rem;
  color: #999;
}

.timeline-change {
  font-weight: 600;
  color: var(--bc-brown);
  margin: 0.2rem 0;
}

.timeline-comment {
  font-size: 0.85rem;
  color: var(--bc-brown);
  font-style: italic;
}

/* ---------- Pagination ---------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1.25rem;
}

.pagination button {
  background: var(--bc-white);
  border: 1px solid #ddd;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--bc-orange);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--bc-brown);
}

/* ---------- Footer ---------- */

.app-footer {
  text-align: center;
  padding: 1rem;
  color: var(--bc-brown);
  background: var(--bc-orange-pale);
  font-size: 0.85rem;
}

/* ---------- Misc ---------- */

.empty-state {
  text-align: center;
  padding: 2rem;
  color: #999;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--bc-brown);
  color: var(--bc-white);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 0.85rem;
  z-index: 300;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .side-panel {
    width: 100%;
    right: -100%;
  }
}