/**
 * ALKARA FLEETFMS — Fuel Consumption Operations Styles
 * OFALabs Guidelines: Minimalist, Data-Dense, Industrial Fleet Management
 * Strict: Flat design, 1px solid borders, NO gradients, NO thick drop shadows.
 */

/* Design tokens (colors/fonts/radii) are inherited from the global stylesheet
   /_next/static/chunks/1t4aoiqub9ec4.css — do not redeclare them here. */
:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.app-shell {
  opacity: 1 !important;
}

.fuel-consumption-runtime {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background-color: var(--c-surface);
  color: var(--c-text);
  font-family: var(--font-sans);
  min-height: calc(100vh - 64px);
}

/* Header & Connection status */
.fuel-header-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--c-border);
  background: var(--c-white);
}

.fuel-header-live[data-tone="live"] {
  color: var(--c-loading);
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.fuel-header-live[data-tone="reconnecting"],
.fuel-header-live[data-tone="degraded"] {
  color: #b45309;
  border-color: #fde68a;
  background: #fffbeb;
}

.fuel-header-live[data-tone="offline"] {
  color: var(--c-error);
  border-color: #fecaca;
  background: #fef2f2;
}

.fuel-header-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: currentColor;
}

/* Shift Tabs */
.fuel-shift-tabs {
  display: inline-flex;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 4px;
  width: fit-content;
}

.fuel-shift-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-sub);
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.fuel-shift-btn:hover {
  color: var(--c-text);
}

.fuel-shift-btn.active {
  background: var(--c-accent);
  color: var(--c-white);
}

/* 7-Card Responsive KPI Row */
.fuel-stats-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.fuel-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 84px;
}

.fuel-card--danger {
  background: #fffbfa;
  border-color: #fee2e2;
}

.fuel-card__value {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.2;
}

.fuel-card--danger .fuel-card__value {
  color: #dc2626;
}

.fuel-card__label {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-sub);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

.fuel-card--danger .fuel-card__label {
  color: #991b1b;
}

.fuel-card__sub {
  font-size: 10px;
  color: var(--c-muted);
  margin-top: 2px;
}

/* Scope Context Strip */
.fuel-scope-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--c-sub);
}

.fuel-scope-strip__left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fuel-scope-strip__right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
}

.fuel-scope-strip strong {
  color: var(--c-text);
  font-weight: 600;
}

/* Controls Toolbar */
.fuel-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 12px 12px 0 0;
  border-bottom: 1px solid var(--c-surface2);
  flex-wrap: wrap;
  gap: 12px;
}

.fuel-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.fuel-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.fuel-search-input {
  width: 260px;
  height: 34px;
  padding: 0 12px 0 34px;
  font-size: 12px;
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  color: var(--c-text);
  outline: none;
}

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

.fuel-search-icon {
  position: absolute;
  left: 10px;
  color: var(--c-muted);
  pointer-events: none;
}

.fuel-filter-select {
  height: 34px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  color: var(--c-text);
  outline: none;
}

.fuel-filter-select:focus {
  border-color: var(--c-accent);
}

.fuel-toolbar-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-sub);
}

.fuel-coverage-badge {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--c-surface2);
  color: var(--c-sub);
  font-size: 11px;
}

/* Table Container */
.fuel-table-wrapper {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  overflow-x: auto;
}

.fuel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.fuel-table th {
  padding: 10px 14px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-sub);
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
}

.fuel-table th.r,
.fuel-table td.r {
  text-align: right;
}

.fuel-table th.c,
.fuel-table td.c {
  text-align: center;
}

.fuel-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--c-surface2);
  vertical-align: middle;
  white-space: nowrap;
}

.fuel-table tr:last-child td {
  border-bottom: none;
}

.fuel-table tr:hover {
  background: var(--c-surface);
}

.fuel-unit-id {
  font-family: inherit;
  font-weight: 700;
  color: var(--c-text);
}

.fuel-unit-model {
  font-size: 11px;
  color: var(--c-sub);
  margin-top: 1px;
}

.fuel-table__mono {
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  color: var(--c-text);
}

.fuel-table__mono--dim {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: var(--c-sub);
}

/* Category Badge */
.category-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--c-surface2);
  color: var(--c-queuing);
}

.category-badge--haul {
  background: #eff6ff;
  color: #1e40af;
}

.category-badge--loader {
  background: #fef3c7;
  color: #92400e;
}

.category-badge--support {
  background: var(--c-surface2);
  color: var(--c-queuing);
}

/* Operational State Badge */
.op-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.op-badge__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.op-badge--hauling {
  background: #e0f2fe;
  color: #0369a1;
}
.op-badge--hauling .op-badge__dot { background: #0284c7; }

.op-badge--loading {
  background: #dcfce7;
  color: var(--c-loading);
}
.op-badge--loading .op-badge__dot { background: #16a34a; }

.op-badge--dumping,
.op-badge--standby {
  background: #fef9c3;
  color: var(--c-dumping);
}
.op-badge--dumping .op-badge__dot,
.op-badge--standby .op-badge__dot { background: #d97706; }

.op-badge--queuing {
  background: var(--c-surface2);
  color: var(--c-queuing);
}
.op-badge--queuing .op-badge__dot { background: var(--c-sub); }

.op-badge--breakdown {
  background: #fee2e2;
  color: var(--c-error);
}
.op-badge--breakdown .op-badge__dot { background: #dc2626; }

/* Status badge (Pill) */
.fuel-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.fuel-badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

/* Action analyze link */
.fuel-analyze-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--c-accent);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s ease;
}

.fuel-analyze-link:hover {
  background: #eff6ff;
  color: var(--c-accent2);
}

/* Hourly Trend Buckets Section */
.fuel-trend-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.fuel-trend-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 12px;
}

.fuel-trend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}

.fuel-bucket-item {
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--c-surface);
  border: 1px solid var(--c-surface2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fuel-bucket-time {
  font-size: 10px;
  font-weight: 600;
  color: var(--c-sub);
}

.fuel-bucket-val {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-text);
  font-family: var(--font-mono, monospace);
}

.fuel-bucket-gap {
  color: var(--c-muted);
  font-style: italic;
  font-weight: 500;
}

/* Action button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-white);
  background: var(--c-accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: var(--c-accent2);
}

/* Responsive adjustments */
@media (max-width: 1400px) {
  .fuel-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .fuel-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fuel-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .fuel-search-input {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .fuel-stats-grid {
    grid-template-columns: 1fr;
  }
}