/* =============================================
   BASE RESET & VARIABLES
============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:       #2563eb;
  --blue-dark:  #1d4ed8;
  --blue-light: #eff6ff;
  --green:      #16a34a;
  --green-light:#f0fdf4;
  --red:        #dc2626;
  --red-light:  #fef2f2;
  --amber:      #d97706;
  --amber-light:#fffbeb;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-300:   #cbd5e1;
  --gray-400:   #94a3b8;
  --gray-500:   #64748b;
  --gray-600:   #475569;
  --gray-700:   #334155;
  --gray-800:   #1e293b;
  --gray-900:   #0f172a;
  --radius:     10px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow:     0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:  0 12px 32px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.07);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.55;
  min-height: 100vh;
}

/* =============================================
   HEADER
============================================= */
.app-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
  padding: 0 1.5rem; height: 60px;
}
.logo {
  display: flex; align-items: center; gap: .6rem;
  font-size: 1.15rem; font-weight: 700;
  color: var(--gray-900); white-space: nowrap;
}
.header-tabs {
  display: flex; gap: .25rem;
}
.tab-btn {
  display: flex; align-items: center; gap: .4rem;
  padding: .45rem .9rem; border-radius: 7px;
  border: none; background: transparent;
  font-size: .875rem; font-weight: 500;
  color: var(--gray-500); cursor: pointer;
  transition: background .15s, color .15s;
}
.tab-btn:hover  { background: var(--gray-100); color: var(--gray-700); }
.tab-btn.active { background: var(--blue-light); color: var(--blue); }

/* =============================================
   MAIN LAYOUT
============================================= */
.main-content {
  max-width: 1280px; margin: 0 auto;
  padding: 2rem 1.5rem;
}
.tab-section { display: none; }
.tab-section.active { display: block; }

.section-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 1rem;
  margin-bottom: 1.75rem;
}
.section-header h2 { font-size: 1.4rem; font-weight: 700; color: var(--gray-900); }
.section-header p  { font-size: .9rem; color: var(--gray-500); margin-top: .2rem; }

/* =============================================
   BUTTONS
============================================= */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .55rem 1.1rem; border-radius: 8px;
  border: 1.5px solid transparent; font-size: .875rem;
  font-weight: 600; cursor: pointer; transition: all .15s;
  white-space: nowrap;
}
.btn-primary  { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover:not(:disabled) { background: var(--blue-dark); border-color: var(--blue-dark); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-outline  { background: #fff; color: var(--gray-700); border-color: var(--gray-300); }
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-ghost    { background: transparent; color: var(--gray-600); border-color: transparent; }
.btn-ghost:hover { background: var(--gray-100); }
.btn-danger   { background: var(--red); color: #fff; border-color: var(--red); }
.btn-sm       { padding: .3rem .7rem; font-size: .8rem; }
.btn-icon     { background: none; border: none; cursor: pointer; padding: .3rem; border-radius: 6px; color: var(--gray-500); transition: background .15s; }
.btn-icon:hover { background: var(--gray-100); color: var(--gray-700); }

/* =============================================
   CARD
============================================= */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

/* =============================================
   INDIVIDUALS GRID
============================================= */
.individuals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}
.individual-card {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.individual-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.individual-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
}
.individual-card-header-left { display: flex; align-items: center; gap: .75rem; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; color: #fff;
  flex-shrink: 0;
}
.individual-name { font-weight: 700; font-size: 1rem; color: var(--gray-900); }
.individual-meta { font-size: .8rem; color: var(--gray-500); }
.card-actions { display: flex; gap: .25rem; }
.individual-card-body { padding: 0 1.25rem 1.25rem; }
.ic-section { margin-top: .75rem; }
.ic-section-title {
  font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--gray-400); margin-bottom: .4rem;
}
.ic-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.ic-tag {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .78rem; padding: .22rem .6rem; border-radius: 20px;
  border: 1px solid var(--gray-200); background: var(--gray-50);
  color: var(--gray-700);
}
.ic-tag-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* =============================================
   EMPTY STATE
============================================= */
.empty-state {
  grid-column: 1/-1;
  display: flex; flex-direction: column; align-items: center;
  gap: .75rem; padding: 4rem 2rem; text-align: center;
  color: var(--gray-400);
}
.empty-state p { font-size: .95rem; }

/* =============================================
   UPLOAD ZONE
============================================= */
.upload-zone {
  border: 2.5px dashed var(--gray-300);
  border-radius: var(--radius);
  background: #fff; padding: 3rem 2rem;
  display: flex; flex-direction: column; align-items: center;
  gap: .75rem; text-align: center;
  cursor: pointer; transition: border-color .2s, background .2s;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--blue); background: var(--blue-light);
}
.upload-title { font-size: 1.1rem; font-weight: 600; color: var(--gray-700); }
.upload-sub   { color: var(--gray-400); font-size: .85rem; }
.upload-hint  { color: var(--gray-400); font-size: .8rem; margin-top: .25rem; }

/* =============================================
   FILE QUEUE
============================================= */
.file-queue { margin-top: 1.25rem; }
.queue-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .75rem;
}
.queue-header h3 { font-size: 1rem; font-weight: 600; }
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue); color: #fff; border-radius: 20px;
  font-size: .72rem; font-weight: 700; padding: .1rem .45rem;
  min-width: 20px; margin-left: .4rem;
}
.file-list { display: flex; flex-direction: column; gap: .5rem; }
.file-item {
  display: flex; align-items: center; gap: .75rem;
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 8px; padding: .65rem 1rem;
}
.file-item-icon { color: var(--red); flex-shrink: 0; }
.file-item-info { flex: 1; min-width: 0; }
.file-item-name { font-size: .875rem; font-weight: 600; truncate: ellipsis; white-space: nowrap; overflow: hidden; }
.file-item-size { font-size: .78rem; color: var(--gray-400); }
.file-status { font-size: .78rem; font-weight: 600; }
.status-pending  { color: var(--gray-400); }
.status-parsing  { color: var(--blue); }
.status-done     { color: var(--green); }
.status-error    { color: var(--red); }

/* =============================================
   SETTINGS CARD
============================================= */
.settings-card { margin-top: 1.25rem; }
.settings-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.settings-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.setting-item label { display: block; font-size: .82rem; font-weight: 600; color: var(--gray-600); margin-bottom: .35rem; }
.date-range { display: flex; align-items: center; gap: .5rem; }
.date-range span { color: var(--gray-400); font-size: .85rem; }

/* =============================================
   INPUTS
============================================= */
.input {
  width: 100%; padding: .5rem .75rem; border-radius: 7px;
  border: 1.5px solid var(--gray-300); font-size: .875rem;
  background: #fff; color: var(--gray-800);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.input-sm { width: auto; padding: .38rem .65rem; font-size: .8rem; }
select.input { cursor: pointer; }

/* =============================================
   SUMMARY CARDS
============================================= */
.summary-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.summary-card {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 1.25rem;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: var(--shadow-sm);
}
.summary-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; flex-shrink: 0;
}
.summary-card.deposits   .summary-icon { background: var(--green-light); color: var(--green); }
.summary-card.withdrawals .summary-icon { background: var(--red-light); color: var(--red); }
.summary-card.net        .summary-icon { background: var(--blue-light); color: var(--blue); }
.summary-card.transactions .summary-icon { background: var(--amber-light); color: var(--amber); }
.summary-label { font-size: .8rem; color: var(--gray-500); font-weight: 500; }
.summary-value { font-size: 1.35rem; font-weight: 800; color: var(--gray-900); }

/* =============================================
   CHARTS
============================================= */
.charts-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem; margin-bottom: 1.5rem;
}
.chart-card h3 { font-size: .95rem; font-weight: 600; margin-bottom: 1rem; color: var(--gray-700); }
@media (max-width: 768px) { .charts-row { grid-template-columns: 1fr; } }

/* =============================================
   INDIVIDUAL BREAKDOWNS
============================================= */
.individual-breakdowns { margin-bottom: 1.5rem; }
.individual-breakdown {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: var(--radius); margin-bottom: 1rem;
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.breakdown-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; cursor: pointer;
  transition: background .15s;
}
.breakdown-header:hover { background: var(--gray-50); }
.breakdown-header-left { display: flex; align-items: center; gap: .75rem; }
.breakdown-header-right { display: flex; align-items: center; gap: 1.5rem; }
.breakdown-stat { text-align: right; }
.breakdown-stat-label { font-size: .72rem; color: var(--gray-400); }
.breakdown-stat-value { font-size: .95rem; font-weight: 700; }
.breakdown-body { border-top: 1px solid var(--gray-100); }
.breakdown-inner { padding: 1rem 1.5rem; }
.mini-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.mini-table th { text-align: left; padding: .4rem .75rem; background: var(--gray-50); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--gray-400); }
.mini-table td { padding: .5rem .75rem; border-top: 1px solid var(--gray-100); }
.mini-table tr:hover td { background: var(--gray-50); }

/* =============================================
   TRANSACTION TABLE
============================================= */
.table-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.table-header h3 { font-size: 1rem; font-weight: 600; }
.table-controls { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.table-container { overflow-x: auto; }
.transactions-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.transactions-table th {
  background: var(--gray-50); padding: .65rem 1rem;
  text-align: left; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--gray-500); border-bottom: 1px solid var(--gray-200);
  white-space: nowrap; cursor: pointer; user-select: none;
}
.transactions-table th:hover { background: var(--gray-100); }
.transactions-table td {
  padding: .65rem 1rem; border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
.transactions-table tbody tr:hover td { background: var(--gray-50); }
.amount-deposit    { color: var(--green); font-weight: 700; }
.amount-withdrawal { color: var(--red); font-weight: 700; }
.type-badge {
  display: inline-block; padding: .18rem .55rem; border-radius: 20px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.type-deposit    { background: var(--green-light); color: var(--green); }
.type-withdrawal { background: var(--red-light); color: var(--red); }
.table-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; font-size: .82rem; color: var(--gray-500);
  flex-wrap: wrap; gap: .5rem;
}
.pagination { display: flex; gap: .3rem; }
.page-btn {
  padding: .25rem .55rem; border-radius: 6px; border: 1px solid var(--gray-200);
  background: #fff; cursor: pointer; font-size: .8rem;
  transition: background .12s;
}
.page-btn:hover { background: var(--gray-100); }
.page-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }

/* =============================================
   MODAL
============================================= */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15,23,42,.5);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(3px);
}
.modal {
  background: #fff; border-radius: 14px;
  width: 100%; max-width: 560px;
  box-shadow: var(--shadow-lg);
  max-height: 90vh; overflow-y: auto;
  display: flex; flex-direction: column;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--gray-100);
  position: sticky; top: 0; background: #fff; z-index: 1;
}
.modal-header h3 { font-size: 1.1rem; font-weight: 700; }
.modal-body { padding: 1.25rem 1.5rem; flex: 1; }
.modal-footer {
  padding: 1rem 1.5rem; border-top: 1px solid var(--gray-100);
  display: flex; justify-content: flex-end; gap: .75rem;
  position: sticky; bottom: 0; background: #fff;
}
.form-group { margin-bottom: 1.25rem; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--gray-700); margin-bottom: .4rem; display: block; }
.required { color: var(--red); }
.form-row-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .5rem;
}
.form-row-header .form-label { margin-bottom: 0; }

/* Color Swatches */
.color-swatches { display: flex; gap: .5rem; flex-wrap: wrap; }
.swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
  border: 3px solid transparent; transition: border-color .15s, transform .15s;
}
.swatch:hover { transform: scale(1.15); }
.swatch.active { border-color: var(--gray-800); }

/* Sub-list items (banks/payrolls) */
.sub-list { display: flex; flex-direction: column; gap: .5rem; }
.sub-list-item {
  display: flex; align-items: center; gap: .5rem;
}
.sub-list-item .input { flex: 1; }
.sub-list-item select { flex: .8; }
.sub-list-item .remove-btn {
  background: none; border: none; cursor: pointer;
  color: var(--gray-400); padding: .25rem; border-radius: 6px;
  transition: color .12s, background .12s; flex-shrink: 0;
}
.sub-list-item .remove-btn:hover { color: var(--red); background: var(--red-light); }
.sub-list-empty { font-size: .82rem; color: var(--gray-400); font-style: italic; padding: .25rem 0; }

/* =============================================
   TOAST
============================================= */
#toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 300;
  display: flex; flex-direction: column; gap: .5rem;
}
.toast {
  display: flex; align-items: center; gap: .75rem;
  background: var(--gray-900); color: #fff;
  padding: .75rem 1.1rem; border-radius: 10px;
  font-size: .875rem; box-shadow: var(--shadow-lg);
  animation: slideIn .25s ease; max-width: 340px;
}
.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
.toast.warning { background: var(--amber); color: var(--gray-900); }
@keyframes slideIn {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOut {
  to { transform: translateX(120%); opacity: 0; }
}

/* =============================================
   PROCESSING OVERLAY
============================================= */
.processing-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: rgba(15,23,42,.6);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.processing-box {
  background: #fff; border-radius: 16px;
  padding: 2.5rem 3rem; text-align: center;
  box-shadow: var(--shadow-lg); min-width: 300px;
}
.spinner {
  width: 48px; height: 48px; border: 4px solid var(--gray-200);
  border-top-color: var(--blue); border-radius: 50%;
  margin: 0 auto 1.25rem; animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-bar-wrap {
  background: var(--gray-200); border-radius: 20px; height: 8px;
  margin: 1rem 0 .5rem; overflow: hidden;
}
.progress-bar {
  height: 100%; border-radius: 20px; background: var(--blue);
  width: 0%; transition: width .3s ease;
}
.progress-text { font-size: .85rem; color: var(--gray-500); }

/* =============================================
   RESULTS ACTIONS
============================================= */
.results-actions { display: flex; gap: .75rem; }

/* =============================================
   UTILITY
============================================= */
.hidden { display: none !important; }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.sort-icon  { font-size: .75rem; opacity: .5; }

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 640px) {
  .header-inner  { padding: 0 1rem; gap: .75rem; }
  .main-content  { padding: 1.25rem 1rem; }
  .tab-btn span, .tab-btn svg + * { display: none; }
  .individuals-grid { grid-template-columns: 1fr; }
  .summary-cards    { grid-template-columns: 1fr 1fr; }
  .table-controls   { flex-direction: column; align-items: stretch; }
  .modal { max-width: 100%; margin: 0; border-radius: 16px 16px 0 0; align-self: flex-end; }
  .modal-overlay { align-items: flex-end; }
}

/* Print */
@media print {
  .app-header, .results-actions, #table-controls { display: none; }
  .tab-section { display: block !important; }
  #tab-individuals, #tab-upload { display: none !important; }
}