/* ── Energy Calculator Styles ── */

.ec-wrap {
  max-width: 780px;
  margin: 2rem auto;
  padding: 0 1rem 3rem;
  font-family: inherit;
}

/* Sections */
.ec-section {
  margin-bottom: 1.25rem;
}

.ec-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
  margin-bottom: 0.35rem;
}

.ec-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 0.9rem;
  background: #fff;
  color: #111827;
}

/* Add row */
.ec-add-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.ec-add-group {
  flex: 1;
}

.ec-btn-add {
  padding: 0.5rem 1.25rem;
  background: #2ea87a;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  align-self: flex-end;
}
.ec-btn-add:hover { background: #25916a; }

/* Summary cards */
.ec-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ec-card {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.ec-card-highlight {
  background: #f0fdf9;
  border-color: #6ee7b7;
}

.ec-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
}

.ec-card-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: #111827;
}

.ec-card-highlight .ec-card-value {
  color: #047857;
}

/* Table */
.ec-table-wrap {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.ec-table-head {
  display: grid;
  grid-template-columns: 1fr 75px 85px 80px 90px 68px 36px;
  gap: 6px;
  padding: 0.55rem 1rem;
  background: #f3f4f6;
  border-bottom: 1px solid #e5e7eb;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
}

.tc { text-align: center; }
.tr { text-align: right; }

.ec-row {
  display: grid;
  grid-template-columns: 1fr 75px 85px 80px 90px 68px 36px;
  gap: 6px;
  padding: 0.6rem 1rem;
  align-items: center;
  border-bottom: 1px solid #f3f4f6;
  transition: background 0.1s;
}

.ec-row:last-of-type { border-bottom: none; }
.ec-row:hover { background: #fafafa; }
.ec-row-off { opacity: 0.45; }

.ec-row-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: #111827;
}

.ec-num {
  width: 100%;
  text-align: center;
  font-size: 0.825rem;
  padding: 0.3rem 0.2rem;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #fff;
  color: #111827;
  -moz-appearance: textfield;
}
.ec-num::-webkit-inner-spin-button { -webkit-appearance: none; }
.ec-num:focus {
  outline: 2px solid #6ee7b7;
  border-color: transparent;
}

.ec-kwh {
  font-size: 0.825rem;
  color: #6b7280;
}

.ec-cost {
  font-size: 0.875rem;
  font-weight: 600;
  color: #047857;
}

.ec-toggle {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s;
  width: 100%;
}

.ec-on  { background: #2ea87a; color: #fff; }
.ec-off { background: #e5e7eb; color: #6b7280; }
.ec-on:hover  { background: #25916a; }
.ec-off:hover { background: #d1d5db; }

.ec-del {
  background: none;
  border: none;
  cursor: pointer;
  color: #d1d5db;
  font-size: 1rem;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}
.ec-del:hover { color: #ef4444; background: #fef2f2; }

.ec-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: #9ca3af;
  font-size: 0.9rem;
}

.ec-total-row {
  display: grid;
  grid-template-columns: 1fr 75px 85px 80px 90px 68px 36px;
  gap: 6px;
  padding: 0.6rem 1rem;
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  font-size: 0.825rem;
  font-weight: 600;
  color: #374151;
  align-items: center;
}

/* Note */
.ec-note {
  font-size: 0.75rem;
  color: #9ca3af;
  margin: 0.5rem 0 0;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 620px) {
  .ec-table-head,
  .ec-row,
  .ec-total-row {
    grid-template-columns: 1fr 70px 75px 80px 36px;
  }
  /* Hide kWh/day and On/Off columns on small screens */
  .ec-table-head span:nth-child(4),
  .ec-table-head span:nth-child(6),
  .ec-row .ec-kwh,
  .ec-row .ec-toggle,
  .ec-total-row span:nth-child(4),
  .ec-total-row span:nth-child(6) {
    display: none;
  }
}