/* Battery Capacity Calculator - CSS Styles */

.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  padding: 1rem 0 0;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-engineering);
  text-decoration: none;
  font-weight: 500;
}

.tool-header-content {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--accent-engineering);
}

.tool-header-content h1 {
  margin: 0;
  font-size: 1.85rem;
  color: var(--text-primary);
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.5rem;
  padding: 1.5rem 0 2rem;
  flex-grow: 1;
}

.calculator-panel,
.sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.panel-header h2 {
  margin: 0 0 0.35rem;
  font-size: 1.3rem;
  color: var(--accent-engineering);
}

.panel-header p {
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 58rem;
}

.button-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.tool-btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--accent-engineering);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.tool-btn:focus-visible {
  outline: none;
  border-color: var(--accent-engineering);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}

.tool-btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.tool-btn.primary {
  background: var(--accent-engineering);
  border-color: var(--accent-engineering);
  color: #111113;
}

.tool-btn.primary:hover:not(:disabled),
.tool-btn.primary:focus-visible {
  background: var(--accent-engineering);
  border-color: var(--accent-engineering);
  color: #111113;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.24);
}

.tool-btn.danger {
  color: var(--accent-error);
  border-color: rgba(239, 68, 68, 0.42);
  background: var(--accent-error-dim);
}

.tool-btn.danger:hover:not(:disabled),
.tool-btn.danger:focus-visible {
  border-color: var(--accent-error);
  color: var(--accent-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.16);
}

.scenario-actions {
  margin-top: 1rem;
}

.input-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem;
}

.section-card h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.compact-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.input-line {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.input-line span {
  font-weight: 500;
  color: var(--text-primary);
}

.label-with-help {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.help-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid var(--accent-engineering);
  color: var(--accent-engineering);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1;
  cursor: help;
  user-select: none;
}

.help-chip:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.22);
}

.help-pop {
  position: absolute;
  left: 0;
  top: calc(100% + 0.45rem);
  width: min(300px, calc(100vw - 3rem));
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.45;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 20;
}

.help-chip:hover .help-pop,
.help-chip:focus-visible .help-pop,
.help-chip.is-open .help-pop {
  opacity: 1;
  visibility: visible;
}

.preset-actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  justify-content: flex-end;
}

.preset-label {
  font-weight: 500;
  color: var(--text-primary);
}

.field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 0.75rem;
}

.main-input,
.main-select,
.unit-select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
}

.main-input:focus,
.main-select:focus,
.unit-select:focus {
  outline: none;
  border-color: var(--accent-engineering);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.18);
}

.helper-text {
  margin-top: 0.85rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.battery-panel[hidden],
.mode-panel[hidden] {
  display: none;
}

.battery-panel,
.mode-panel {
  margin-top: 1rem;
}

.derived-summary {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.derived-label {
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.derived-value {
  margin-top: 0.45rem;
  color: var(--text-primary);
  line-height: 1.5;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
}

.profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.profile-header h4,
.mode-panel h4 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1rem;
}

.profile-rows {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.profile-row {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-card);
  padding: 1rem;
}

.profile-row-grid {
  display: grid;
  grid-template-columns: minmax(170px, 1.1fr) minmax(230px, 1fr) minmax(230px, 1fr) minmax(100px, 120px);
  gap: 0.9rem;
  align-items: end;
}

.profile-row-grid .field-row {
  grid-template-columns: minmax(7rem, 1fr) minmax(76px, 88px);
  gap: 0.55rem;
}

.profile-row-grid .unit-select {
  padding-left: 0.65rem;
  padding-right: 1.8rem;
}

.profile-action {
  display: flex;
  align-items: stretch;
}

.profile-action .tool-btn {
  width: 100%;
}

.results-section h3 {
  margin: 0 0 1rem;
  color: var(--text-primary);
}

.result-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.analysis-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 1rem;
}

.analysis-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
}

.contribution-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.contribution-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) 84px 120px;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-secondary);
}

.contribution-name {
  color: var(--text-primary);
  font-weight: 500;
}

.contribution-share,
.contribution-value {
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  text-align: right;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  min-height: 128px;
}

.metric-label {
  color: var(--text-muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-value {
  margin-top: 0.45rem;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.3;
}

.metric-meta {
  margin-top: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.45;
}

.info-box {
  background: rgba(245, 158, 11, 0.1);
  border-left: 3px solid var(--accent-engineering);
  border-radius: 10px;
  padding: 1rem;
}

.info-box h4 {
  margin: 0 0 0.45rem;
  color: var(--text-primary);
}

.info-box p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0.45rem 0 0;
}

.info-box p:first-of-type {
  margin-top: 0;
}

.sidebar {
  align-self: start;
}

.info-panel h3 {
  margin: 0 0 0.8rem;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.info-panel h3:not(:first-child) {
  margin-top: 1.4rem;
}

.info-panel ul {
  padding-left: 1.15rem;
  color: var(--text-secondary);
}

.info-panel ol {
  padding-left: 1.25rem;
  color: var(--text-secondary);
}

.info-steps {
  margin: 0 0 1.15rem;
}

.info-panel li {
  margin-bottom: 0.55rem;
  line-height: 1.45;
}

.info-panel p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

.liability-disclaimer {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--accent-warning);
  background-color: var(--accent-warning-dim);
  color: var(--text-primary);
}

.liability-disclaimer strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent-warning);
}

.liability-disclaimer p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.liability-disclaimer p + p {
  margin-top: 8px;
}

.liability-disclaimer p strong {
  display: inline;
  margin: 0;
  color: var(--text-primary);
}

.error-message {
  color: var(--accent-error);
  font-size: 0.92rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--accent-error);
  border-radius: 10px;
  background: var(--accent-error-dim);
}

.error-input {
  border-color: var(--accent-error) !important;
}

.input-line.is-disabled {
  opacity: 0.62;
}

.input-line.is-disabled .main-input,
.input-line.is-disabled .main-select,
.input-line.is-disabled .unit-select {
  cursor: not-allowed;
}

@media (max-width: 1400px) {
  .results-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .analysis-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1200px) {
  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1320px) {
  .profile-row-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-action {
    justify-content: flex-end;
  }

  .profile-action .tool-btn {
    width: auto;
    min-width: 100px;
  }
}

@media (max-width: 980px) {
  .calculator-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    align-self: stretch;
  }
}

@media (max-width: 760px) {
  .panel-header,
  .header-row,
  .tool-header-content,
  .profile-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .control-grid,
  .compact-grid,
  .analysis-grid,
  .results-grid,
  .profile-row-grid {
    grid-template-columns: 1fr;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .profile-row-grid .field-row {
    grid-template-columns: minmax(0, 1fr) minmax(76px, 88px);
  }

  .profile-action .tool-btn {
    width: 100%;
  }

  .calculator-panel,
  .sidebar {
    padding: 1rem;
  }

  .contribution-row {
    grid-template-columns: 1fr;
  }

  .contribution-share,
  .contribution-value {
    text-align: left;
  }

  .tool-icon {
    width: 42px;
    height: 42px;
  }

  .tool-header-content h1 {
    font-size: 1.5rem;
  }
}