/* ─── Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d1117;
  --surface:   #161b22;
  --surface2:  #21262d;
  --border:    #30363d;
  --accent:    #2ea043;
  --accent2:   #1f6feb;
  --warn:      #d29922;
  --danger:    #da3633;
  --inland:    #e8771a;
  --zero:      #3b82f6;
  --text:      #e6edf3;
  --text-muted:#8b949e;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,0.45);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 80px;
}

/* ─── Top bar ─── */
.top-bar {
  background: linear-gradient(135deg, #0d1117 0%, #1a2332 100%);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  font-size: 2rem;
  background: linear-gradient(135deg, #2ea043, #3fb950);
  border-radius: 10px;
  padding: 6px 10px;
  line-height: 1;
}

.logo-area h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo-area span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-meta strong { color: var(--warn); }

.btn-icon-only {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 0.2s;
}

.btn-icon-only:hover {
  background: var(--border);
}

/* ─── Layout ─── */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

/* ─── Upload section ─── */
.upload-section { }

.section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
}

.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 680px) { .upload-grid { grid-template-columns: 1fr; } }

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent2);
  background: rgba(31,111,235,0.06);
}

.drop-zone.has-files {
  border-color: var(--accent);
  background: rgba(46,160,67,0.06);
}

.drop-icon { font-size: 2rem; margin-bottom: 4px; }

.drop-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.drop-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.file-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.file-tag {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}

.auto-detect-badge {
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--warn);
  background: rgba(210,153,34,0.1);
  border: 1px solid rgba(210,153,34,0.3);
  border-radius: 12px;
  padding: 6px 12px;
  text-align: left;
  max-width: 100%;
}

.path-subtext {
  font-size: 0.68rem;
  opacity: 0.7;
  display: block;
  margin-top: 3px;
  word-break: break-all;
  white-space: normal;
}

/* ─── Web Sync ─── */
.web-sync-area {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  width: 100%;
  text-align: center;
}

.btn-sync {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-sync:hover {
  background: var(--border);
  border-color: var(--accent2);
}

.btn-sync.loading {
  opacity: 0.7;
  cursor: wait;
}

.sync-status {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 5px;
}

/* ─── Buttons ─── */
.btn-primary {
  background: linear-gradient(135deg, #2ea043, #3fb950);
  color: white;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary:not(:disabled):hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-download {
  background: linear-gradient(135deg, var(--accent2), #388bfd);
  color: white;
  border: none;
  padding: 11px 28px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-download:hover { opacity: 0.88; }

/* ─── Loading ─── */
.loading-overlay {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

.spinner {
  width: 44px; height: 44px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Error ─── */
.error-banner {
  background: rgba(218,54,51,0.12);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 14px 20px;
  color: #ffa0a0;
  font-size: 0.88rem;
  margin-bottom: 20px;
}

/* ─── Summary cards ─── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.summary-card.approve::before { background: var(--accent); }
.summary-card.review::before  { background: var(--warn); }
.summary-card.reject::before  { background: var(--danger); }
.summary-card.inland::before  { background: var(--inland); }
.summary-card.total::before   { background: var(--accent2); }
.summary-card.money::before   { background: #8957e5; }

.card-val {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.approve .card-val { color: var(--accent); }
.review  .card-val { color: var(--warn); }
.reject  .card-val { color: var(--danger); }
.inland  .card-val { color: var(--inland); }
.total   .card-val { color: var(--accent2); }
.money   .card-val { color: #b083f0; font-size: 1.3rem; }

.card-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.invoice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 28px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}

.invoice-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.overall-badge {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
}

.overall-badge.approve { background: rgba(46,160,67,0.15); color: #3fb950; border: 1px solid rgba(46,160,67,0.4); }
.overall-badge.review  { background: rgba(210,153,34,0.15); color: #e3b341; border: 1px solid rgba(210,153,34,0.4); }
.overall-badge.reject  { background: rgba(218,54,51,0.15);  color: #f85149; border: 1px solid rgba(218,54,51,0.4); }

/* ─── Download bar ─── */
.download-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.dl-hint { font-size: 0.78rem; color: var(--text-muted); }

/* ─── Results table ─── */
.table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 32px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  white-space: nowrap;
}

thead th {
  background: #1e3a5f;
  color: #a0c4ff;
  font-weight: 600;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
}

tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: none; }

tbody tr.approve-row { background: rgba(46,160,67,0.07); }
tbody tr.review-row  { background: rgba(210,153,34,0.07); }
tbody tr.reject-row  { background: rgba(218,54,51,0.09); }
tbody tr.inland-row  { background: rgba(232,119,26,0.09); }
tbody tr.zero-row    { background: rgba(59,130,246,0.06); }

tbody td {
  padding: 8px 12px;
  color: var(--text);
  vertical-align: middle;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.71rem;
  font-weight: 600;
}

.badge-approve { background: rgba(46,160,67,0.18); color: #3fb950; }
.badge-review  { background: rgba(210,153,34,0.18); color: #e3b341; }
.badge-reject  { background: rgba(218,54,51,0.18);  color: #f85149; }
.badge-zero    { background: rgba(59,130,246,0.18);  color: #79c0ff; }

/* ─── Legend ─── */
.legend {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.legend-item {
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 20px;
}

.legend-item.approve { background: rgba(46,160,67,0.12); color: #3fb950; }
.legend-item.review  { background: rgba(210,153,34,0.12); color: #e3b341; }
.legend-item.notfound{ background: rgba(218,54,51,0.12);  color: #f85149; }
.legend-item.inland  { background: rgba(232,119,26,0.12); color: #f0a366; }
.legend-item.zero    { background: rgba(59,130,246,0.12);  color: #79c0ff; }
/* ─── Modals ─── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

.modal {
  width: 90%;
  max-width: 500px;
  margin-bottom: 0;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent2);
  background: #1c2128;
}

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

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--surface2);
}

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