:root {
  --bg: #0a0e17;
  --surface: #111827;
  --surface2: #1a2235;
  --border: #1f2d45;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --text: #e2e8f0;
  --muted: #64748b;
  --green: #10b981;
  --yellow: #f59e0b;
  --red: #ef4444;
}

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

html,
body {
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  min-height: 100vh;
  font-size: 16px;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: "Space Mono", monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.logo span {
  color: var(--text);
}

.header-status {
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
  transition: all 0.3s;
}

.header-status.ok {
  background: var(--green);
  box-shadow: 0 0 7px var(--green);
}

.header-status.err {
  background: var(--red);
  box-shadow: 0 0 7px var(--red);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: "DM Sans", sans-serif;
  font-size: 0.68rem;
  cursor: pointer;
  transition: color 0.2s;
}

.nav-btn svg {
  width: 22px;
  height: 22px;
}

.nav-btn.active {
  color: var(--accent);
}

.nav-btn.active svg {
  filter: drop-shadow(0 0 5px var(--accent));
}

main {
  padding: 20px 16px;
  padding-bottom: calc(80px + env(safe-area-inset-bottom));
  max-width: 600px;
  margin: 0 auto;
}

.panel {
  display: none;
  animation: fadeIn 0.2s ease;
}

.panel.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title {
  font-family: "Space Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 14px;
}

.field {
  margin-bottom: 14px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  margin-bottom: 8px;
}

.field input,
.field select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  font-size: 1rem;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.2s;
}

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

.field input.error {
  border-color: var(--red) !important;
  background: rgba(239, 68, 68, 0.07);
  animation: shake 0.35s ease;
}

.field-error {
  font-size: 0.72rem;
  color: var(--red);
  margin-top: 6px;
  display: none;
}

.field-error.show {
  display: block;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-6px);
  }
  40% {
    transform: translateX(6px);
  }
  60% {
    transform: translateX(-4px);
  }
  80% {
    transform: translateX(4px);
  }
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: "▾";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.action-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}

.btn-action {
  padding: 16px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: "DM Sans", sans-serif;
  transition:
    opacity 0.2s,
    transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-action:active {
  transform: scale(0.97);
}

.btn-action:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-start {
  background: var(--green);
  color: #fff;
}

.btn-end {
  background: var(--red);
  color: #fff;
}

.pending-card {
  background: rgba(0, 229, 255, 0.04);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.pending-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.pending-live {
  font-size: 0.65rem;
  font-family: "Space Mono", monospace;
  color: var(--green);
  letter-spacing: 1px;
  animation: pulse 1.5s ease-in-out infinite;
}

.pending-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.pending-stat {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 8px 10px;
}

.pending-stat .pstat-label {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  margin-bottom: 3px;
}

.pending-stat .pstat-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.pending-stat .pstat-value.live {
  color: var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.table-controls,
.records-filter {
  display: flex;
  gap: 8px;
  align-items: center;
}

.table-controls {
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.records-filter {
  margin-bottom: 14px;
}

.filter-select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 32px 8px 12px;
  color: var(--text);
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

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

.filter-wrap {
  position: relative;
  flex: 1;
}

.filter-wrap::after {
  content: "▾";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.filter-label {
  font-size: 0.68rem;
  font-family: "Space Mono", monospace;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.sort-btn,
.refresh-btn {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.72rem;
  cursor: pointer;
  font-family: "Space Mono", monospace;
}

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

.sort-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.refresh-btn {
  margin-left: auto;
  background: transparent;
}

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

.record-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.record-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.car-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.73rem;
  font-weight: 600;
  font-family: "Space Mono", monospace;
}

.car-badge.fiat {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.car-badge.volkswagen {
  background: rgba(180, 180, 180, 0.12);
  color: #d1d5db;
  border: 1px solid rgba(180, 180, 180, 0.3);
}

.record-date {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: "Space Mono", monospace;
}

.record-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat {
  background: var(--surface);
  border-radius: 8px;
  padding: 8px 12px;
}

.stat-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  margin-bottom: 2px;
}

.stat-value {
  font-size: 0.9rem;
  font-weight: 600;
}

.stat-value.hl {
  color: var(--accent);
}

.empty-state,
.loading {
  text-align: center;
  color: var(--muted);
}

.empty-state {
  padding: 48px 20px;
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.empty-state p {
  font-size: 0.85rem;
}

.loading {
  padding: 40px;
  font-family: "Space Mono", monospace;
  font-size: 0.78rem;
}

.report-filters,
.report-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.report-filters {
  gap: 12px;
  margin-bottom: 14px;
}

.report-filters .field {
  margin-bottom: 0;
}

.btn-primary {
  width: 100%;
  padding: 15px;
  background: var(--accent2);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: "DM Sans", sans-serif;
  transition: opacity 0.2s;
  margin-bottom: 16px;
}

.btn-primary:hover {
  opacity: 0.85;
}

.report-summary {
  gap: 10px;
  margin-bottom: 14px;
}

.summary-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.summary-card .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-family: "Space Mono", monospace;
}

.summary-card .unit,
.summary-card .slabel,
.breakdown-sessions {
  color: var(--muted);
}

.summary-card .unit {
  font-size: 0.72rem;
}

.summary-card .slabel {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: "Space Mono", monospace;
  margin-top: 4px;
}

.breakdown-row {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.breakdown-period {
  font-family: "Space Mono", monospace;
  font-size: 0.82rem;
}

.breakdown-kwh {
  font-weight: 600;
  color: var(--accent);
  font-size: 0.95rem;
  text-align: right;
}

.breakdown-sessions {
  font-size: 0.7rem;
  text-align: right;
}

.toast {
  position: fixed;
  top: 70px;
  left: 16px;
  right: 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 18px;
  font-size: 0.88rem;
  z-index: 200;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.28s ease;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: var(--green);
  color: #6ee7b7;
}

.toast.error {
  border-color: var(--red);
  color: #fca5a5;
}

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

.spinner {
  display: inline-block;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

.log-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: rgba(10, 14, 23, 0.7);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  backdrop-filter: blur(2px);
}

.log-loading-overlay .spinner-lg {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(0, 229, 255, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.log-loading-overlay span {
  font-family: "Space Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
}

.log-form-wrap {
  position: relative;
}