@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #efece4;
  --surface: #ffffff;
  --surface-raised: #f6f3ec;
  --border: #e2ddd0;
  --text: #24363e;
  --text-muted: #71828c;
  --accent-tesla: #3e7cb1;
  --accent-smart: #d9903e;
  --accent-good: #2b8c7e;
  --accent-warn: #c8583f;
  --accent-work: #7c6fd1;

  --shadow-card: 0 1px 2px rgba(36, 54, 62, 0.04), 0 2px 8px rgba(36, 54, 62, 0.06);

  --font-display: 'Quicksand', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

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

/* ---- shared marks ---- */

.plug-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-good);
  display: inline-block;
}

.login-mark-text {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---- login page ---- */

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
}

.login-mark {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.login-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.login-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 24px;
}

/* ---- form fields (shared) ---- */

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.field-row {
  display: flex;
  gap: 12px;
}

.field-small {
  flex: 1;
  min-width: 0;
}

input, select {
  width: 100%;
  box-sizing: border-box;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

/* iOS Safari renders date/time inputs with their own native widget sizing
   that ignores width:100% above, which is what causes them to overflow
   their container or overlap a neighboring field on iPhone. Stripping the
   native appearance forces them to respect our box model like any other
   input. No effect on desktop browsers, which don't have this quirk. */
input[type="date"],
input[type="time"] {
  -webkit-appearance: none;
  appearance: none;
  max-width: 100%;
  min-width: 0;
}

input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent-tesla);
  outline-offset: 1px;
}

.btn-primary {
  width: 100%;
  background: var(--accent-tesla);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { filter: brightness(0.95); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

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

.error-text {
  color: var(--accent-warn);
  font-size: 0.85rem;
  margin: 0 0 12px;
}

/* ---- app shell ---- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

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

.topbar-mark {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

/* ---- summary block (this month / last month) ---- */

.summary-block {
  margin-bottom: 24px;
}

.summary-block-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.summary-block-title--muted {
  margin-top: 12px;
  opacity: 0.75;
}

.summary-strip--muted {
  opacity: 0.7;
}

.summary-details {
  margin-top: 10px;
}

.summary-details summary {
  list-style: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-body);
  padding: 6px 2px;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.summary-details summary::-webkit-details-marker {
  display: none;
}

.summary-details summary::before {
  content: "›";
  display: inline-block;
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.15s ease;
}

.summary-details[open] summary::before {
  transform: rotate(90deg);
}

.summary-details summary:hover {
  color: var(--text);
}

.card-title-inline {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text);
}

.summary-details-content {
  padding-top: 4px;
}

.rate-settings-row {
  border-top: 1px solid var(--border);
  padding: 12px 0;
}

.rate-settings-row:first-child {
  border-top: none;
  padding-top: 0;
}

.rate-settings-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.rate-settings-title .rate-color-input {
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
}

.rate-settings-title .rate-name-input {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 8px;
}

.rate-settings-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

.rate-settings-fields--add {
  grid-template-columns: repeat(2, 1fr);
}

.rate-settings-fields label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 0;
}

.rate-settings-fields input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 8px 10px;
  font-size: 0.85rem;
}

.rate-settings-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rate-settings-save {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.78rem;
  cursor: pointer;
}

.rate-settings-save:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.rate-settings-delete {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent-warn);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.78rem;
  cursor: pointer;
  opacity: 0.75;
}

.rate-settings-delete:hover {
  opacity: 1;
  border-color: var(--accent-warn);
}

.rate-settings-status {
  font-size: 0.72rem;
}

.rate-settings-row--add {
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

.rate-settings-row--add .rate-settings-title {
  color: var(--text-muted);
  font-weight: 600;
}

.user-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

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

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

.user-row-name {
  font-size: 0.88rem;
  font-weight: 600;
}

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

@media (max-width: 480px) {
  .rate-settings-fields,
  .rate-settings-fields--add {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- summary strip ---- */

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.summary-cell {
  background: var(--surface);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.summary-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.summary-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
}

/* ---- cards ---- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 16px;
}

.session-form .btn-primary { margin-top: 4px; }

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

.form-actions .btn-primary {
  flex: 1;
}

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

.export-link {
  text-decoration: none;
  display: inline-block;
}

.chart-legend {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chart-legend-swatch {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  display: inline-block;
}

.chart-metric-switcher {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.chart-metric-btn {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 5px 14px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  cursor: pointer;
}

.chart-metric-btn:hover {
  color: var(--text);
}

.chart-metric-btn--active {
  background: var(--accent-tesla);
  border-color: var(--accent-tesla);
  color: #ffffff;
}

/* ---- per-vehicle columns ---- */

.vehicle-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.vehicle-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.vehicle-column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid;
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.vehicle-column-header .card-title {
  margin: 0;
}

.vehicle-column-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 14px;
}

.vehicle-column-summary .summary-cell {
  padding: 10px 10px;
}

.vehicle-column-summary .summary-value {
  font-size: 0.88rem;
}

.vehicle-column-summary--muted {
  opacity: 0.7;
  margin-top: 10px;
}

.type-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.type-badge.type-home {
  background: rgba(43, 140, 126, 0.14);
  color: var(--accent-good);
}

.type-badge.type-work {
  background: rgba(124, 111, 209, 0.16);
  color: var(--accent-work);
}

.type-badge.badge-admin {
  background: rgba(124, 111, 209, 0.16);
  color: var(--accent-work);
}

.type-badge.badge-you {
  background: rgba(43, 140, 126, 0.14);
  color: var(--accent-good);
}

.add-user-admin-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 8px 0;
}

.add-user-admin-check input {
  width: auto;
}

.type-badge.type-public {
  background: rgba(217, 144, 62, 0.18);
  color: var(--accent-smart);
}

/* ---- session list: "meter tape" rows ---- */

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

.empty-state {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.session-row {
  display: grid;
  grid-template-columns: 4px 1fr auto;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.session-edge {
  align-self: stretch;
  width: 4px;
}

.session-main {
  padding: 12px 0;
  min-width: 0;
}

.session-vehicle {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.session-vehicle .plug-dot {
  box-shadow: none;
  width: 8px;
  height: 8px;
}

.session-meta {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 3px;
}

.session-notes {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 3px;
  font-style: italic;
}

.session-rate {
  color: var(--text-muted);
  font-size: 0.72rem;
  margin-top: 4px;
}

.session-figures {
  padding-right: 14px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
}

.session-figures .kwh { color: var(--text); display: block; }
.session-figures .cost { display: block; margin-top: 2px; }
.session-figures .cost-home { color: var(--accent-good); }
.session-figures .cost-work { color: var(--accent-work); }
.session-figures .cost-public { color: var(--accent-smart); }

.session-actions {
  grid-column: 1 / -1;
  text-align: right;
  padding: 0 14px 10px;
  display: flex;
  justify-content: flex-end;
  gap: 14px;
}

.session-actions button {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  cursor: pointer;
  padding: 2px 4px;
}

.session-edit-btn:hover { color: var(--accent-tesla); }
.session-delete-btn:hover { color: var(--accent-warn); }

@media (max-width: 480px) {
  .summary-strip { grid-template-columns: 1fr; }
  .field-row { flex-direction: row; }
}