body {
  font-family: Arial, sans-serif;
  background-color: var(--cloud-dance-white);
  margin: 0;
  padding: 0;
}

.sac-container {
  width: 90%;
  max-width: 600px;
  margin: 20px auto;
  background: transparent;
  padding: 0;
  box-shadow: none;
}

/* V2 Card Style */
.sac-card {
  background: #ffffff;
  border: 1px solid #eef0f2;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.sac-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.sac-card h3 {
  color: var(--dark-gray, #333);
  font-size: 1.15rem;
  font-weight: 600;
  border-bottom: 2px solid #f8f9fa;
  padding-bottom: 12px;
  margin-bottom: 20px;
}

h1 {
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.inline-inputs {
  display: flex;
  gap: 15px;
  align-items: stretch;
  flex-wrap: wrap;
}

.inline-inputs > div {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

label {
  margin-top: 10px;
  position: relative;
}

input[type="number"],
input[type="text"] {
  padding: 12px;
  margin-top: 5px;
  border: 1px solid #dcdfe3;
  border-radius: 8px;
  transition: all 0.3s ease;
  background-color: #fcfcfc;
  width: 100%;
  box-sizing: border-box;
}

input[type="number"]:focus,
input[type="text"]:focus {
  border-color: var(--highlight-color);
  background-color: #ffffff;
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 122, 87, 0.15);
}

button {
  margin-top: 20px;
  padding: 12px;
  background-color: var(--highlight-color);
  color: var(--white);
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s ease;
}

button:hover {
  background-color: var(--hover-color);
  transform: translateY(-1px);
}

.compute-btn {
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(255, 122, 87, 0.25);
}
.compute-btn:hover {
  box-shadow: 0 6px 20px rgba(255, 122, 87, 0.35);
  transform: translateY(-2px);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: #ddd;
  outline: none;
  opacity: 0.7;
  -webkit-transition: 0.2s;
  transition: opacity 0.2s;
}

input[type="range"]:hover {
  opacity: 1;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--highlight-color);
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--highlight-color);
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}

.room-dimensions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

#result {
  margin-top: 20px;
}

#result p {
  padding: 16px;
  background: #f8fcf8;
  border: 1px solid #d4edda;
  border-left: 4px solid #28a745;
  border-radius: 8px;
  color: #155724;
  font-size: 1.05rem;
  margin: 12px 0;
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.05);
}

#warning {
  color: #721c24;
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 15px;
  display: none; /* Hide when empty via JS or keep empty */
}
#warning:not(:empty) {
  display: block;
}


/* ── Apartment Frame ─────────────────────────────────────────────────────── */

.apartment-frame {
    background: #ffffff;
    border: 1px solid #eef0f2;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    margin-top: 20px;
}

.apartment-frame-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--gray, #888);
    margin-bottom: 14px;
}

.apartment-rooms-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: flex-end;
    justify-content: center;
}


/* Room boxes – stats inside */
.room-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    box-sizing: border-box;
    padding: 6px 4px;
    gap: 2px;
    overflow: hidden;
}

.room-box--private {
    background-color: rgba(176, 34, 69, 0.08);
    border: 1.5px solid rgba(176, 34, 69, 0.30);
}

.room-box--shared {
    background-color: rgba(59, 95, 160, 0.08);
    border: 1.5px solid rgba(59, 95, 160, 0.25);
}

.room-box-name {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: #555;
    text-align: center;
}

.room-box-area {
    font-size: 0.68rem;
    color: var(--dark-gray, #444);
    font-weight: 600;
}

.room-box-price {
    font-size: 0.75rem;
    color: #B02245;
    font-weight: 700;
}

.room-box-ratio {
    font-size: 0.60rem;
    color: var(--gray, #999);
}


/* Apartment pie */
.apt-pie-section {
    margin-top: 18px;
    border-top: 1px solid #f0f0f0;
    padding-top: 14px;
}

.apt-pie-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray, #888);
    margin-bottom: 10px;
    font-weight: 600;
}

.apt-pie-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 600px) {
    .apt-pie-row {
        flex-direction: column;
        align-items: center;
    }
    .apt-pie-row svg {
        max-width: 240px !important;
        width: 100% !important;
    }
}

/* Tooltip styles removed in favor of details/summary */

/* Media Queries for Responsive Design */

/* Tablet and below */
@media (max-width: 768px) {
  .sac-container {
    width: 95%;
    padding: 15px;
    margin: 15px auto;
  }

  h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .inline-inputs {
    flex-direction: column;
    align-items: stretch;
  }

  .inline-inputs > div {
    width: 100%;
  }

  label {
    font-size: 0.95rem;
  }

  input[type="number"],
  input[type="text"] {
    width: 100%;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  input[type="range"] {
    max-width: 100%;
    height: 12px; /* Thicker track for mobile */
    margin: 15px 0;
  }

  /* Larger touch target for slider thumb on mobile */
  input[type="range"]::-webkit-slider-thumb {
    width: 32px;
    height: 32px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
  }

  input[type="range"]::-moz-range-thumb {
    width: 32px;
    height: 32px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
  }

  button {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
  }

  .room-dimensions {
    flex-direction: column;
  }

  .room-dimensions input {
    width: 100%;
  }

  #result p {
    font-size: 0.95rem;
    padding: 10px;
    background: var(--cloud-dance-white);
    border-left: 3px solid var(--highlight-color);
    margin: 8px 0;
  }

  .room-visualization {
    justify-content: center;
  }

  #price-per-unit-area {
    margin-top: 15px;
    margin-bottom: 15px;
    /* Mobile specific adjustments if needed */
    width: 100%;
    justify-content: center;
  }

  /* Increase touch target for summary */
  summary {
    padding: 12px 0;
    margin-bottom: 8px;
    font-size: 1rem;
    cursor: pointer;
  }
}

/* Price Per Unit Area Badge Styles */
#price-per-unit-area {
  display: none; /* Hidden by default */
  align-items: center;
  justify-content: center;
  flex-direction: row;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--cloud-dance-white);
  border: 1px solid var(--light-gray);
  border-radius: 20px;
  color: var(--dark-gray);
  font-size: 0.9rem;
  margin-top: 28px; /* Align with inputs */
  animation: fadeIn 0.3s ease-in-out;
}

#price-per-unit-area.visible {
  display: flex;
}

.ppu-label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  color: var(--gray);
}

.ppu-value {
  font-weight: bold;
  color: var(--highlight-color);
  font-size: 1.1rem;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Large screens */
@media (min-width: 769px) {
  .sac-container {
    padding: 30px;
  }

  .inline-inputs > div {
    flex: 1;
    min-width: 200px;
  }
}

/* Header with Shadow (Static, Not Fixed) */
.floating-header {
    background: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
}

/* ── Stacked Horizontal Bars ─────────────────────────────────────────────── */

.stacked-bars-card {
    background: #ffffff;
    border: 1px solid #eef0f2;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    margin-top: 16px;
}

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

.stacked-bars-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--gray, #888);
}

.bar-normalize-btn {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    border: 1.5px solid #dcdfe3;
    background: transparent;
    color: var(--gray, #888);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0;
    box-shadow: none;
}

.bar-normalize-btn:hover {
    border-color: #3B5FA0;
    color: #3B5FA0;
    transform: none;
    background: transparent;
}

.bar-normalize-btn.active {
    background: #3B5FA0;
    border-color: #3B5FA0;
    color: #fff;
}

.bar-track-wrap {
    flex: 1;
    display: flex;
    align-items: center;
}

.bar-legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.bar-legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--dark-gray, #444);
}

.bar-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.bar-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--dark-gray, #444);
    width: 56px;
    flex-shrink: 0;
}

.bar-track {
    height: 28px;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    background: #f0f0f0;
    transition: width 0.4s ease;
}

.bar-segment {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: width 0.4s ease;
    min-width: 0;
}

.bar-seg-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    padding: 0 4px;
}

.bar-total {
    font-size: 0.82rem;
    font-weight: 700;
    color: #B02245;
    width: 52px;
    flex-shrink: 0;
    text-align: right;
}

/* ── Tenant Donut Charts ─────────────────────────────────────────────────── */

.tenant-charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.tenant-chart-card {
  background: #ffffff;
  border: 1px solid #eef0f2;
  border-radius: 12px;
  padding: 16px 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: box-shadow 0.2s ease;
}

.tenant-chart-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

.tenant-chart-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dark-gray, #333);
  margin-bottom: 4px;
}

.tenant-chart-legend {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  width: 100%;
}

.tenant-chart-legend li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  margin-bottom: 4px;
  color: var(--dark-gray, #333);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-label {
  flex: 1;
}

.legend-value {
  font-weight: 600;
  white-space: nowrap;
}

.legend-value em {
  font-style: normal;
  color: var(--gray, #777);
  font-weight: 400;
}

.tenant-chart-total {
  font-size: 0.88rem;
  color: var(--dark-gray, #333);
  border-top: 1px solid #f0f0f0;
  padding-top: 8px;
  margin-top: 6px;
  width: 100%;
  text-align: center;
}

.tenant-chart-total strong {
  color: #b02245;
}