#vapis-root, #vapis-root * { box-sizing: border-box; }
#vapis-root {
--green: #164D12;
--green-light: #2c7a26;
--green-pale: #e7efe4;
--bg: #f5f6f4;
--card: #ffffff;
--ink: #1c231b;
--muted: #5c6b58;
--border: #dde3d9;
--amber: #b5750f;
--amber-pale: #fbf1e0;
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
background: var(--bg);
color: var(--ink);
padding: clamp(14px, 3vw, 32px);
max-width: 1080px;
margin: 0 auto;
line-height: 1.45;
}
#vapis-root h1, #vapis-root h2, #vapis-root h3 {
font-family: 'Source Serif 4', Georgia, serif;
color: var(--green);
margin: 0 0 4px 0;
}
.vapis-header { margin-bottom: 20px; }
.vapis-header h1 { font-size: clamp(22px, 4vw, 30px); font-weight: 700; }
.vapis-header p { margin: 4px 0 0 0; color: var(--muted); font-size: 14.5px; max-width: 640px; }

.vapis-tabs {
display: flex;
flex-wrap: wrap;
gap: 6px;
background: var(--green-pale);
padding: 6px;
border-radius: 12px;
margin-bottom: 18px;
}
.vapis-tab {
flex: 1 1 140px;
text-align: center;
padding: 10px 10px;
border: none;
background: transparent;
color: var(--green);
font-family: 'Inter', sans-serif;
font-weight: 600;
font-size: 13.5px;
border-radius: 8px;
cursor: pointer;
transition: background .15s ease, color .15s ease, box-shadow .15s ease;
}
.vapis-tab .vapis-tab-sub { display:block; font-weight: 400; font-size: 11.5px; opacity: .75; margin-top: 1px;}
.vapis-tab:hover { background: #d9e6d5; }
.vapis-tab.active { background: var(--green); color: #fff; box-shadow: 0 2px 6px rgba(22,77,18,.25); }
.vapis-tab.active .vapis-tab-sub { opacity: .85; }

.vapis-panel { display: none; flex-direction: column; animation: vapis-fade .2s ease; height: clamp(460px, 72vh, 740px); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--bg); }
.vapis-panel.active { display: flex; }
@keyframes vapis-fade { from { opacity: 0; transform: translateY(4px);} to { opacity: 1; transform: none;} }

.vapis-panel-frozen { flex: 0 0 auto; padding: 16px 16px 0 16px; background: var(--bg); }
.vapis-panel-frozen h2 { font-size: 17px; }
.vapis-scroll { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 14px 16px 16px 16px; }
.vapis-scroll::-webkit-scrollbar { width: 8px; }
.vapis-scroll::-webkit-scrollbar-track { background: transparent; }
.vapis-scroll::-webkit-scrollbar-thumb { background: #c7d2c2; border-radius: 8px; }
.vapis-scroll::-webkit-scrollbar-thumb:hover { background: var(--green-light); }

.vapis-summary {
display: flex;
align-items: center;
gap: 16px;
background: var(--green);
background: linear-gradient(135deg, var(--green), #1f6418);
border-radius: 14px;
padding: 16px 22px;
color: #fff;
margin-bottom: 14px;
box-shadow: 0 4px 14px rgba(22,77,18,.18);
}
.vapis-summary .vapis-total-label { font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; opacity: .85; }
.vapis-summary .vapis-total-value { font-family: 'Source Serif 4', serif; font-size: clamp(30px, 6vw, 44px); font-weight: 700; line-height: 1.1; }
.vapis-summary .vapis-total-unit { font-size: 13.5px; opacity: .85; font-weight: 400; }
.vapis-summary-block { display:flex; flex-direction: column; justify-content: center; gap:2px; flex: 1 1 auto; }
.vapis-reset-btn {
margin-left: auto;
align-self: center;
flex: 0 0 auto;
background: rgba(255,255,255,.15);
border: 1px solid rgba(255,255,255,.4);
color: #fff;
padding: 8px 14px;
border-radius: 8px;
font-size: 12.5px;
font-weight: 600;
cursor: pointer;
font-family: 'Inter', sans-serif;
white-space: nowrap;
}
.vapis-reset-btn:hover { background: rgba(255,255,255,.25); }

.vapis-topcontrol {
background: var(--amber-pale);
border: 1px solid #eddcb5;
border-radius: 12px;
padding: 14px 16px;
margin-bottom: 16px;
}
.vapis-topcontrol .vapis-tc-toprow {
display: flex;
flex-wrap: wrap;
align-items: baseline;
justify-content: space-between;
gap: 8px;
margin-bottom: 8px;
}
.vapis-topcontrol .vapis-tc-label { font-weight: 600; font-size: 13.5px; color: var(--amber); }
.vapis-topcontrol .vapis-tc-controls { display:flex; align-items:center; width: 100%; gap: 10px; }
.vapis-topcontrol input[type=range] { flex: 1 1 auto; width: 100%; accent-color: var(--amber); }
.vapis-topcontrol input[type=number] { width: 90px; flex: 0 0 auto; }
.vapis-topcontrol .vapis-warn { font-size: 12px; color: #a13b2a; font-weight: 600; margin-top: 6px; }

.vapis-modes { display: flex; flex-direction: column; gap: 12px; }
.vapis-mode-card {
background: var(--card);
border: 1px solid var(--border);
border-radius: 12px;
padding: 14px 16px;
}
.vapis-mode-head {
display: flex;
align-items: center;
justify-content: space-between;
gap: 10px;
margin-bottom: 10px;
flex-wrap: wrap;
}
.vapis-mode-name { font-weight: 700; font-size: 15px; color: var(--green); }
.vapis-mode-outputs { display: flex; gap: 14px; flex-wrap: wrap; }
.vapis-out-chip { text-align: right; }
.vapis-out-chip .vapis-out-val { font-weight: 700; font-size: 14px; color: var(--ink); }
.vapis-out-chip .vapis-out-lab { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }

.vapis-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px 18px; }
.vapis-field { min-width: 0; }
.vapis-field-head {
display: flex;
align-items: baseline;
justify-content: space-between;
gap: 8px;
margin-bottom: 6px;
}
.vapis-field-head label { font-size: 12px; color: var(--muted); min-width: 0; }
.vapis-field-head label .vapis-unit { color: #93a08e; display:block; font-size: 10.5px; }
.vapis-field-row { display: flex; align-items: center; width: 100%; }
.vapis-field input[type=range] {
width: 100%;
display: block;
accent-color: var(--green-light);
height: 4px;
margin: 0;
}
.vapis-field input[type=number],
.vapis-topcontrol input[type=number],
.vapis-param-card input[type=number] {
width: 92px;
flex: 0 0 auto;
padding: 4px 6px;
border: 1px solid var(--border);
border-radius: 6px;
font-size: 12.5px;
background: #fbfcfa;
color: var(--ink);
font-family: 'Inter', sans-serif;
}
.vapis-field input[type=number]:focus, .vapis-topcontrol input[type=number]:focus { outline: 2px solid var(--green-light); outline-offset: 1px; }

.vapis-params-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin-bottom: 4px;}
.vapis-param-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.vapis-param-card .vapis-field-head { margin-bottom: 8px; }
.vapis-param-card .vapis-field-head label { font-weight: 600; font-size: 13px; color: var(--green); }
.vapis-param-card .vapis-unit { font-weight: 400; color: var(--muted); font-size: 11.5px; }
.vapis-param-card input[type=number] { width: 76px; }

.vapis-explain {
margin-top: 20px;
background: var(--card);
border: 1px solid var(--border);
border-left: 4px solid var(--green);
border-radius: 0 10px 10px 0;
padding: 16px 18px;
}
.vapis-explain h3 { font-size: 15.5px; margin-bottom: 6px; }
.vapis-explain p { margin: 0 0 8px 0; font-size: 13.5px; color: #3a4536; }
.vapis-explain p:last-child { margin-bottom: 0; }
.vapis-explain .vapis-formula {
display: inline-block;
background: var(--green-pale);
border-radius: 6px;
padding: 2px 8px;
font-family: 'Source Serif 4', serif;
font-style: italic;
color: var(--green);
margin: 4px 0;
font-size: 13px;
}

.vapis-footer { margin-top: 22px; text-align: center; font-size: 11.5px; color: #93a08e; }

/* Pollutant Selector Widget Styling */
.vapis-pollutant-selector-wrap {
  margin: -4px 0 20px 0;
  background: var(--card);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.vapis-pollutant-selector-wrap label {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.vapis-pollutant-selector-wrap select {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfcfa;
  cursor: pointer;
  outline: none;
}
.vapis-pollutant-selector-wrap select:focus {
  border-color: var(--green-light);
}

@media (max-width: 520px) {
.vapis-tab .vapis-tab-sub { display: none; }
.vapis-mode-outputs { width: 100%; justify-content: flex-start; }
.vapis-reset-btn { margin-left: 0; }
}