/* CollectorSync — True-black flat (distilled from taste-skill app rules) */
:root {
  --ground: #000000;
  --surface: #111111;
  --raised: #1c1c1c;
  --nested: #262626;
  --border: #222222;
  --rule: #181818;
  --control: #333333;

  --text: #ffffff;
  --muted: #b4b4b4;
  --faint: #888888;

  /* Data marks only */
  --accent: #c6f24e;
  --positive: #c6f24e;
  --negative: #e5484d;
  --warning: #e5a93b;
  --info: #4cb3f0;

  --pill-positive-bg: #1c2612;
  --pill-positive-ink: #c6f24e;
  --pill-negative-bg: #2b1619;
  --pill-negative-ink: #e5484d;
  --pill-warning-bg: #2a2213;
  --pill-warning-ink: #e5a93b;
  --pill-info-bg: #122433;
  --pill-info-ink: #4cb3f0;
  --pill-neutral-bg: #1e1e1e;
  --pill-neutral-ink: #ffffff;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-card: 16px;
  --radius-control: 999px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--ground);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}

#app-container {
  width: 100%;
  max-width: 540px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--ground);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding-bottom: 96px;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--ground);
  border-bottom: 1px solid var(--border);
  padding: 14px 18px 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text);
  letter-spacing: 0.05em;
}

.brand-text h1 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-tag {
  font-size: 0.68rem;
  color: var(--faint);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Connection Status Button */
.connection-status-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-control);
  font-size: 0.72rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  outline: none;
}

.connection-status-btn.online {
  color: var(--positive);
  border-color: rgba(198, 242, 78, 0.3);
}

.connection-status-btn.offline {
  color: var(--negative);
  border-color: rgba(229, 72, 77, 0.4);
}

.connection-status-btn.syncing {
  color: var(--info);
  border-color: rgba(76, 179, 240, 0.4);
}

.pending-sync-pill {
  background: var(--negative);
  color: #ffffff;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-control);
  font-weight: 600;
  margin-left: 2px;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--control);
}

.notification-dot {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--negative);
  color: #ffffff;
  font-size: 0.62rem;
  font-weight: 600;
  border-radius: var(--radius-control);
  height: 16px;
  min-width: 16px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  padding: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar-btn img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-control);
  display: block;
}

/* Event Selector Bar */
.event-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  gap: 8px;
}

.event-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.event-icon-svg {
  color: var(--muted);
  display: flex;
  align-items: center;
}

.event-select {
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  width: 100%;
}

.event-select option {
  background-color: var(--surface);
  color: var(--text);
}

.event-bar-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-sm-ghost {
  background: var(--raised);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-control);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-sm-ghost:hover {
  color: var(--text);
  border-color: var(--control);
}

.btn-delete-event {
  color: var(--muted);
  padding: 4px 8px;
}

.btn-delete-event:hover {
  color: var(--negative);
  border-color: rgba(229, 72, 77, 0.4);
}

/* Main Content area */
.app-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Financial Dashboard Card (true-black elevation) */
.dashboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.dash-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--faint);
}

.balance-sub {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

.net-balance {
  text-align: right;
}

.balance-amount {
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.balance-amount.positive {
  color: var(--positive);
}

.balance-amount.negative {
  color: var(--negative);
}

.financial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

.fin-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fin-metric-title {
  font-size: 0.7rem;
  color: var(--faint);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.fin-metric-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* Controls and Tabs */
.controls-bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box svg {
  color: var(--faint);
  flex-shrink: 0;
}

.search-input {
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.84rem;
  width: 100%;
  outline: none;
}

.search-input::placeholder {
  color: var(--faint);
}

.tabs-row {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.tabs-row::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: var(--radius-control);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover {
  color: var(--text);
  border-color: var(--control);
}

.tab-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 600;
}

.tab-count {
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  opacity: 0.75;
}

/* Batch Selection Bar */
.batch-bar {
  background: var(--surface);
  border: 1px solid var(--control);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.batch-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text);
  font-weight: 500;
}

.batch-actions {
  display: flex;
  gap: 8px;
}

/* Operation List */
.operations-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-state {
  text-align: center;
  padding: 36px 16px;
  color: var(--faint);
  background: var(--surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
}

.empty-state svg {
  margin-bottom: 10px;
  stroke: var(--faint);
}

.empty-state h4 {
  font-size: 0.92rem;
  color: var(--text);
  margin-bottom: 4px;
}

.empty-state p {
  font-size: 0.8rem;
  color: var(--faint);
}

/* Operation Card (Elevation by lightness alone) */
.op-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  user-select: none;
}

.op-card.is-dragging {
  opacity: 0.35;
  border-style: dashed;
  border-color: #ffffff;
}

.op-card.drag-over-top {
  border-top: 2px solid #ffffff;
}

.op-card.drag-over-bottom {
  border-bottom: 2px solid #ffffff;
}

.op-card.is-completed {
  opacity: 0.65;
  border-color: var(--rule);
}

.op-drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--faint);
  cursor: grab;
  padding: 4px 2px;
  margin-top: 2px;
  flex-shrink: 0;
}

.op-drag-handle:active {
  cursor: grabbing;
}

.op-drag-handle:hover {
  color: var(--text);
}

.op-card-header {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.batch-checkbox {
  margin-top: 4px;
  accent-color: #ffffff;
  cursor: pointer;
  width: 16px;
  height: 16px;
}

.op-thumb-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: #000000;
  cursor: pointer;
}

.op-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.op-main-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.op-badges-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.tag {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: var(--radius-control);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tag-compra {
  background: var(--pill-negative-bg);
  color: var(--pill-negative-ink);
}

.tag-venta {
  background: var(--pill-positive-bg);
  color: var(--pill-positive-ink);
}

.tag-canje {
  background: var(--pill-warning-bg);
  color: var(--pill-warning-ink);
}

.tag-favor {
  background: var(--pill-info-bg);
  color: var(--pill-info-ink);
}

.tag-status-completed {
  background: var(--pill-neutral-bg);
  color: var(--muted);
}

.tag-status-delegated {
  background: var(--pill-warning-bg);
  color: var(--pill-warning-ink);
}

.tag-status-pending {
  background: var(--pill-neutral-bg);
  color: var(--faint);
}

.op-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.op-contact {
  font-size: 0.74rem;
  color: var(--muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Financial values block inside card */
.op-finances {
  background: var(--raised);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.op-balance-highlight {
  font-weight: 600;
}

.op-notes {
  font-size: 0.74rem;
  color: var(--faint);
  background: var(--raised);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.op-actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--rule);
}

.op-buttons-left, .op-buttons-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-icon-action {
  background: var(--raised);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: var(--radius-control);
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-icon-action:hover {
  color: var(--text);
  border-color: var(--control);
}

.btn-whatsapp {
  color: var(--positive);
  border-color: rgba(198, 242, 78, 0.3);
  padding: 5px 8px;
}

.btn-edit-op {
  color: var(--muted);
  padding: 5px 8px;
}

.btn-edit-op:hover {
  color: var(--text);
}

.btn-delete-op {
  color: var(--negative);
  border-color: rgba(229, 72, 77, 0.3);
  padding: 5px 8px;
}

.btn-delete-op:hover {
  background: var(--pill-negative-bg);
  color: var(--negative);
  border-color: rgba(229, 72, 77, 0.6);
}

.btn-delegate {
  color: var(--warning);
}

.btn-complete-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: var(--radius-control);
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 500;
  cursor: pointer;
}

.btn-complete-toggle.checked {
  background: var(--pill-positive-bg);
  border-color: rgba(198, 242, 78, 0.4);
  color: var(--positive);
}

/* Floating Action Button (Clean inverted pill style from true-black-flat) */
.fab {
  position: fixed;
  bottom: 74px;
  right: calc(50% - 245px);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-control);
  background: #ffffff;
  color: #000000;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 40;
}

@media (max-width: 540px) {
  .fab {
    right: 18px;
    bottom: 74px;
  }
}

.fab:hover {
  background: #e6e6e6;
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 540px;
  background: var(--ground);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: 8px 12px 14px 12px;
  z-index: 35;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--faint);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 12px;
}

.nav-item.active {
  color: #ffffff;
}

.nav-item:hover {
  color: var(--text);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
}

@media (min-width: 541px) {
  .modal-overlay {
    align-items: center;
  }
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--surface);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 480px;
  border-top-left-radius: var(--radius-card);
  border-top-right-radius: var(--radius-card);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (min-width: 541px) {
  .modal-container {
    border-radius: var(--radius-card);
  }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: var(--surface);
}

/* Form controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
}

.form-input, .form-select, .form-textarea {
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: #ffffff;
}

.input-with-button {
  display: flex;
  gap: 8px;
}

.input-with-button input {
  flex: 1;
}

.btn-secondary {
  background: var(--raised);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius-control);
  font-weight: 500;
  font-size: 0.82rem;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--control);
}

/* Primary inverted button (the move) */
.btn-primary {
  background: #ffffff;
  border: 1px solid #ffffff;
  color: #000000;
  padding: 8px 18px;
  border-radius: var(--radius-control);
  font-weight: 600;
  font-size: 0.84rem;
  cursor: pointer;
}

.btn-primary:hover {
  background: #e6e6e6;
}

.type-selector-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.type-pill {
  text-align: center;
  padding: 8px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--muted);
}

.type-pill.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 600;
}

/* QR Code & Scanner */
.qr-share-section {
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qr-share-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qr-code-box {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.qr-display {
  background: #ffffff;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-display canvas {
  display: block;
}

.qr-info-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.btn-scan-qr {
  background: var(--raised);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 12px;
  border-radius: var(--radius-control);
  font-size: 0.74rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-scan-qr:hover {
  border-color: var(--control);
}

.scanner-viewfinder {
  position: relative;
  width: 250px;
  height: 250px;
  margin: 0 auto;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #000000;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scanner-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--faint);
}

.scanner-reticle {
  position: absolute;
  inset: 24px;
  pointer-events: none;
}

.scanner-reticle .corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: #ffffff;
  border-style: solid;
}

.scanner-reticle .top-left {
  top: 0;
  left: 0;
  border-width: 2px 0 0 2px;
}

.scanner-reticle .top-right {
  top: 0;
  right: 0;
  border-width: 2px 2px 0 0;
}

.scanner-reticle .bottom-left {
  bottom: 0;
  left: 0;
  border-width: 0 0 2px 2px;
}

.scanner-reticle .bottom-right {
  bottom: 0;
  right: 0;
  border-width: 0 2px 2px 0;
}

.scan-laser-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: #ffffff;
  animation: scanSweep 2s ease-in-out infinite;
}

@keyframes scanSweep {
  0% { top: 0%; opacity: 0.4; }
  50% { top: 96%; opacity: 1; }
  100% { top: 0%; opacity: 0.4; }
}

/* Image zoom modal */
.image-zoom-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin: 0 auto;
  display: block;
}

.zoom-ref-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text);
  background: var(--raised);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius-control);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
}

.zoom-ref-link:hover {
  border-color: var(--control);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--raised);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius-control);
  font-size: 0.82rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}