/* ============================================================
   HieraCost — style.css
   Aesthetic: Industrial Utilitarian / Technical Dark
   ============================================================ */

:root {
  /* Core Palette */
  --bg-base: #0d0f12;
  --bg-surface: #13161b;
  --bg-raised: #1a1e25;
  --bg-hover: #20252e;
  --bg-active: #252b36;

  /* Borders */
  --border: #252b36;
  --border-mid: #2e3542;
  --border-hi: #3d4657;

  /* Text */
  --text-pri: #e8ecf4;
  --text-sec: #8b96a8;
  --text-muted: #4f5a6b;
  --text-accent: #5ed3a8;

  /* Accent */
  --accent: #5ed3a8;
  --accent-dim: rgba(94, 211, 168, 0.12);
  --accent-glow: rgba(94, 211, 168, 0.3);

  /* Status Colors */
  --green: #5ed3a8;
  --yellow: #f0c040;
  --red: #e05c6a;
  --blue: #5b9cf6;
  --orange: #f08a40;
  --purple: #a78bfa;

  /* Sizing */
  --sidebar-w: 220px;
  --topbar-h: 60px;
  --radius: 6px;
  --radius-lg: 10px;

  /* Typography */
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'DM Sans', sans-serif;

  /* Transitions */
  --t-fast: 120ms ease;
  --t-mid: 220ms ease;
}

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

html {
  font-size: 14px;
}

body {
  background: var(--bg-base);
  color: var(--text-pri);
  font-family: var(--font-sans);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--t-mid);
  overflow: hidden;
}

.sidebar.collapsed {
  width: 56px;
}

.sidebar.collapsed .nav-label,
.sidebar.collapsed .logo-text,
.sidebar.collapsed .sidebar-footer {
  opacity: 0;
  pointer-events: none;
}

.sidebar.collapsed .sidebar-toggle {
  transform: rotate(180deg);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
  min-height: var(--topbar-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.logo-icon {
  font-size: 20px;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--text-pri);
  transition: opacity var(--t-mid);
}

.sidebar-toggle {
  background: none;
  border: 1px solid var(--border-mid);
  color: var(--text-sec);
  cursor: pointer;
  border-radius: var(--radius);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--t-fast);
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: none;
  background: none;
  color: var(--text-sec);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  transition: all var(--t-fast);
  width: 100%;
}

.nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-pri);
}

.nav-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(94, 211, 168, 0.2);
}

.nav-icon {
  font-size: 15px;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.nav-label {
  transition: opacity var(--t-mid);
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  transition: opacity var(--t-mid);
}

.version-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--t-mid);
}

.sidebar.collapsed~.main-content {
  margin-left: 56px;
}

/* ---- TOPBAR ---- */
.topbar {
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-pri);
}

.breadcrumb {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-sec);
  border: 1px solid var(--border-mid);
  border-radius: 20px;
  padding: 4px 10px;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* ============================================================
   VIEW CONTAINER
   ============================================================ */
.view-container {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
}

.view {
  display: none;
  animation: fadeIn 200ms ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   DASHBOARD
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-fast);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.6;
}

.stat-card:hover {
  border-color: var(--border-hi);
}

.stat-label {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-pri);
  line-height: 1;
}

.stat-sub {
  font-size: 11px;
  color: var(--text-sec);
  margin-top: 6px;
}

.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 800px) {
  .dash-grid {
    grid-template-columns: 1fr;
  }
}

.dash-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.dash-card-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.dash-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.dash-row:last-child {
  border-bottom: none;
}

.dash-row-label {
  color: var(--text-sec);
}

.dash-row-val {
  font-family: var(--font-mono);
  color: var(--text-pri);
  font-size: 12px;
}

/* ============================================================
   TOOLBAR & BUTTONS
   ============================================================ */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--t-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0d0f12;
  font-weight: 600;
}

.btn-primary:hover {
  background: #76e0b8;
}

.btn-secondary {
  background: var(--bg-raised);
  color: var(--text-pri);
  border-color: var(--border-mid);
}

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

.btn-ghost {
  background: none;
  color: var(--text-sec);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-hi);
  color: var(--text-pri);
}

.btn-accent {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(94, 211, 168, 0.3);
}

.btn-accent:hover {
  background: rgba(94, 211, 168, 0.2);
}

.btn-danger {
  background: rgba(224, 92, 106, 0.12);
  color: var(--red);
  border-color: rgba(224, 92, 106, 0.3);
}

.btn-danger:hover {
  background: rgba(224, 92, 106, 0.22);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================
   CARD LIST
   ============================================================ */
.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entity-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: all var(--t-fast);
  animation: slideIn 180ms ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.entity-card:hover {
  border-color: var(--border-hi);
  background: var(--bg-raised);
}

.entity-card.depleted {
  opacity: 0.7;
  border-style: dashed;
}

.entity-card-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.entity-card-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-pri);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entity-card-meta {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.entity-card-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ============================================================
   COST & WEIGHT BADGES
   ============================================================ */
.cost-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  border: 1px solid rgba(94, 211, 168, 0.25);
  color: var(--accent);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.weight-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(91, 156, 246, 0.12);
  border: 1px solid rgba(91, 156, 246, 0.25);
  color: var(--blue);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.weight-remaining {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(167, 139, 250, 0.12);
  border: 1px solid rgba(167, 139, 250, 0.25);
  color: var(--purple);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.tag-green {
  background: rgba(94, 211, 168, 0.12);
  color: var(--green);
  border: 1px solid rgba(94, 211, 168, 0.25);
}

.tag-yellow {
  background: rgba(240, 192, 64, 0.12);
  color: var(--yellow);
  border: 1px solid rgba(240, 192, 64, 0.25);
}

.tag-red {
  background: rgba(224, 92, 106, 0.12);
  color: var(--red);
  border: 1px solid rgba(224, 92, 106, 0.25);
}

.tag-blue {
  background: rgba(91, 156, 246, 0.12);
  color: var(--blue);
  border: 1px solid rgba(91, 156, 246, 0.25);
}

.tag-purple {
  background: rgba(167, 139, 250, 0.12);
  color: var(--purple);
  border: 1px solid rgba(167, 139, 250, 0.25);
}

/* ============================================================
   DETAIL PANELS
   ============================================================ */
.detail-panel {
  animation: fadeIn 200ms ease;
}

.detail-panel.hidden {
  display: none;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.detail-title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-pri);
  flex: 1;
}

.back-btn {
  background: none;
  border: 1px solid var(--border-mid);
  color: var(--text-sec);
  cursor: pointer;
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  transition: all var(--t-fast);
}

.back-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Info Grids */
.lot-info-grid,
.item-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.info-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.info-block-label {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.info-block-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-pri);
}

.info-block-value.accent {
  color: var(--accent);
}

/* ============================================================
   PROCESSING RECORDS
   ============================================================ */
.processing-list {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.processing-section-title {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.processing-record {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.processing-record-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.processing-record-type {
  color: var(--text-pri);
  font-weight: 500;
}

.processing-record-worker {
  color: var(--text-sec);
  font-size: 12px;
}

.processing-record-fee {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}

/* ============================================================
   SALE INFO
   ============================================================ */
.sale-info {
  margin-top: 20px;
}

.sale-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sale-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sale-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.payments-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.payment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-raised);
  border-radius: var(--radius);
  font-size: 12px;
}

.payment-amount {
  font-family: var(--font-mono);
  color: var(--green);
  font-weight: 700;
}

.payment-meta {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.balance-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.balance-label {
  font-size: 12px;
  color: var(--text-sec);
}

.balance-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
}

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

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

/* ============================================================
   PROFIT REPORT
   ============================================================ */
.profit-controls {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.profit-result {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  animation: fadeIn 200ms ease;
}

.profit-result.hidden {
  display: none;
}

.profit-result-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.profit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.profit-metric {
  padding: 16px;
  background: var(--bg-raised);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.profit-metric-label {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.profit-metric-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
}

.profit-positive {
  color: var(--green);
}

.profit-negative {
  color: var(--red);
}

.profit-neutral {
  color: var(--text-pri);
}

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

.form-group label {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.input {
  background: var(--bg-raised);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--text-pri);
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--t-fast);
  width: 100%;
}

.input:focus {
  border-color: var(--accent);
}

.input::placeholder {
  color: var(--text-muted);
}

select.input {
  appearance: none;
  cursor: pointer;
}

select.input option {
  background: var(--bg-raised);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 500px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 150ms ease;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  animation: modalIn 200ms cubic-bezier(0.34, 1.4, 0.64, 1);
  overflow: hidden;
}

@keyframes modalIn {
  from {
    transform: scale(0.92) translateY(20px);
    opacity: 0;
  }

  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-pri);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 4px;
  transition: color var(--t-fast);
}

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

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-raised);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text-pri);
  animation: toastIn 250ms cubic-bezier(0.34, 1.4, 0.64, 1);
  pointer-events: auto;
  max-width: 320px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.toast.success {
  border-left: 3px solid var(--green);
}

.toast.error {
  border-left: 3px solid var(--red);
}

.toast.info {
  border-left: 3px solid var(--blue);
}

.toast.warning {
  border-left: 3px solid var(--yellow);
}

@keyframes toastIn {
  from {
    transform: translateX(20px);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ============================================================
   VALIDATION WARNING
   ============================================================ */
.warning-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(240, 192, 64, 0.08);
  border: 1px solid rgba(240, 192, 64, 0.3);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 12px;
  color: var(--yellow);
  margin-bottom: 16px;
}

.warning-icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 36px;
  margin-bottom: 14px;
  opacity: 0.5;
}

.empty-text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--border-hi);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================================
   MISC UTILITIES
   ============================================================ */
.hidden {
  display: none !important;
}

.mt8 {
  margin-top: 8px;
}

.mt16 {
  margin-top: 16px;
}

.mt24 {
  margin-top: 24px;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.mono {
  font-family: var(--font-mono);
}

.text-accent {
  color: var(--accent);
}

.text-sec {
  color: var(--text-sec);
}

.text-muted {
  color: var(--text-muted);
}

.depleted-badge {
  font-size: 10px;
  color: var(--red);
  font-family: var(--font-mono);
  margin-left: 6px;
}

/* ===== Profit Search Suggestions ===== */
.suggestions-list {
  position: absolute;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 200px;
  overflow-y: auto;
  width: 100%;
  max-width: 320px;
  z-index: 100;
  margin-top: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: none;
}

.suggestions-list.visible {
  display: block;
}

.suggestions-list .suggestion-item {
  padding: 10px 12px;
  cursor: pointer;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.suggestions-list .suggestion-item:last-child {
  border-bottom: none;
}

.suggestions-list .suggestion-item:hover,
.suggestions-list .suggestion-item.active {
  background: var(--accent);
  color: white;
}

.suggestions-list .suggestion-item .suggestion-name {
  font-weight: 500;
  display: block;
}

.suggestions-list .suggestion-item .suggestion-meta {
  font-size: 11px;
  color: var(--text-sec);
  margin-top: 2px;
}

.suggestions-list .suggestion-item:hover .suggestion-meta,
.suggestions-list .suggestion-item.active .suggestion-meta {
  color: rgba(255, 255, 255, 0.9);
}

.suggestions-list .no-results {
  padding: 12px;
  font-size: 12px;
  color: var(--text-sec);
  text-align: center;
}

/* Ensure form-group has position: relative for absolute positioning of suggestions */
.form-group {
  position: relative;
}
/* ============================================================
   RESPONSIVE ENHANCEMENTS — MOBILE-FIRST
   ============================================================ */

/* ===== Global Touch Improvements ===== */
.btn,
.nav-btn,
.modal-close,
.input,
select.input,
.back-btn,
.sidebar-toggle {
  min-height: 44px; /* Apple-recommended touch target */
  touch-action: manipulation;
}

/* Prevent iOS zoom on input focus */
input,
select,
textarea {
  font-size: 16px;
}
.input {
  font-size: 14px; /* Override for styled inputs */
}

/* ===== Tablet: ≤1024px ===== */
@media (max-width: 1024px) {
  .sidebar {
    width: 200px;
  }
  .sidebar:not(.collapsed) + .main-content {
    margin-left: 200px;
  }
  .sidebar.collapsed + .main-content {
    margin-left: 56px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .profit-controls {
    flex-wrap: wrap;
    gap: 12px;
  }
  .profit-controls .form-group {
    flex: 1 1 45%;
    min-width: 180px;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE-FIRST (CLEAN VERSION)
   ============================================================ */

/* ===== Global Touch Improvements ===== */
.btn, .nav-btn, .modal-close, .input, select.input, .back-btn {
  min-height: 44px;
  touch-action: manipulation;
}
input, select, textarea { font-size: 16px; }
.input { font-size: 14px; }

/* ===== Mobile Hamburger Button ===== */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-right: 12px;
  z-index: 1002;
}
.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--text-pri);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Tablet: ≤1024px ===== */
@media (max-width: 1024px) {
  .sidebar { width: 200px; }
  .sidebar:not(.collapsed) + .main-content { margin-left: 200px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .profit-controls { flex-wrap: wrap; gap: 12px; }
  .profit-controls .form-group { flex: 1 1 45%; min-width: 180px; }
}

/* ===== Mobile: ≤768px ===== */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop toggle */
  .mobile-menu-btn { display: flex !important; }
  .sidebar-toggle { display: none !important; }
  
  /* Sidebar: hidden off-canvas */
  .sidebar {
    position: fixed !important;
    left: -280px !important;
    top: 0 !important;
    height: 100vh !important;
    width: 280px !important;
    z-index: 1001 !important;
    transition: left 0.3s ease !important;
    box-shadow: 4px 0 20px rgba(0,0,0,0.4);
    overflow-y: auto;
    background: var(--bg-surface) !important;
  }
  .sidebar.active { left: 0 !important; }
  
  /* Prevent collapsed class from breaking mobile */
  .sidebar.collapsed {
    width: 280px !important;
    left: -280px !important;
  }
  .sidebar.collapsed.active { left: 0 !important; }
  .sidebar.collapsed .nav-label,
  .sidebar.collapsed .logo-text {
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  
  /* Main content full-width */
  .sidebar + .main-content {
    margin-left: 0 !important;
    width: 100%;
  }
  
  /* Overlay: behind sidebar */
  .sidebar-overlay {
    display: none !important;
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0,0,0,0.7) !important;
    backdrop-filter: blur(3px);
    z-index: 1000 !important;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
  }
  .sidebar-overlay.active {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  
  /* Topbar adjustments */
  .topbar {
    padding: 12px 16px !important;
    flex-wrap: wrap;
    gap: 8px;
    height: auto;
    min-height: var(--topbar-h);
  }
  .page-title { font-size: 16px; }
  .breadcrumb { font-size: 11px; margin-top: 2px; }
  
  /* Layout stacks */
  .view-container { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr; gap: 12px; }
  .dash-grid { grid-template-columns: 1fr !important; }
  .entity-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
    gap: 12px;
  }
  .entity-card-right {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .lot-info-grid, .item-info-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
  }
  .toolbar .btn {
    flex: 1 1 48%;
    min-width: 110px;
    justify-content: center;
  }
  
  /* Profit form stacks */
  .profit-controls {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
  }
  .profit-controls .form-group {
    flex: 1 1 100%;
    min-width: unset;
  }
  #calcProfitBtn { width: 100%; justify-content: center; }
  
  /* Suggestions dropdown */
  .suggestions-list {
    position: relative !important;
    max-width: 100%;
    margin-top: 6px;
  }
  
  /* Modal full-screen */
  .modal {
    width: 95vw;
    max-width: none;
    max-height: 92vh;
    margin: 2vh auto;
  }
  .modal-body { max-height: 65vh; padding: 16px; }
  
  /* Toast reposition */
  .toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
    max-width: calc(100% - 32px);
  }
}

/* ===== Small Mobile: ≤480px ===== */
@media (max-width: 480px) {
  .page-title { font-size: 15px; }
  .btn, .nav-btn { font-size: 12px; padding: 8px 12px; }
  .toolbar .btn { flex: 1 1 100%; }
  .profit-grid { grid-template-columns: 1fr; }
}

/* ===== Desktop: Reset ===== */
@media (min-width: 769px) {
  .mobile-menu-btn { display: none !important; }
  .sidebar-toggle { display: flex !important; }
  .sidebar-overlay { display: none !important; }
  .sidebar {
    position: fixed !important;
    left: 0 !important;
    z-index: 100 !important;
  }
}