/* =========================
   Tree Volume Helper — CSS
   Optimized & deduplicated
   ========================= */

/* Theme variables */
:root{
  --accent: #2b8a3e;
  --bg: #f7f7f8;
  --card: #ffffff;
  --text: #222222;
  --muted: #666666;
  --radius: 8px;
  --shadow: 0 2px 6px rgba(0,0,0,0.06);
  --transition-fast: 0.18s ease;
}

/* Base */
* { box-sizing: border-box; }
html,body { height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Layout container */
.wrap{
  max-width:1000px;
  margin:1rem auto;
  padding:1rem;
}

/* Header */
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:1rem; }
header{ margin-bottom:0.25rem; }
h1{ margin:0; font-size:1.15rem; }
h3{ margin:0 0 0.5rem 0; text-align:center; font-size:1rem; }

/* Grid */
.grid{
  display:grid;
  grid-template-columns: 1fr 380px;
  gap:1rem;
  margin-top:1rem;
}

/* Cards / panels */
.card{
  background: var(--card);
  padding: 0.9rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Form fields */
label, .field { display:block; font-size:0.95rem; margin-top:0.45rem; }
input[type="text"], input[type="number"], select{
  width:100%;
  padding:0.56rem;
  margin-top:0.25rem;
  border-radius:6px;
  border:1px solid #e6e6e6;
  font-size:0.98rem;
  background: #fff;
}

/* Buttons */
button{
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 0.55rem 0.9rem;
  border-radius:6px;
  cursor:pointer;
  margin-top:0.6rem;
  font-size:0.95rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
button:active{ transform: translateY(1px); }
button.secondary{
  background: transparent;
  color: var(--text);
  border: 1px solid #ddd;
}

/* Controls row */
.controls-row{ display:flex; gap:0.5rem; margin-top:0.6rem; flex-wrap:wrap; }

/* Small text */
.small{ font-size:0.85rem; color: var(--muted); }

/* Notices */
.notice{ margin-top:0.6rem; font-size:0.9rem; color:#b00; }

/* Table base */
table{
  width:100%;
  border-collapse: collapse;
  margin-top:0.5rem;
  font-size:0.95rem;
  background: transparent;
}
th, td{
  padding: 0.55rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  text-align: left;
}
th{ background: rgba(0,0,0,0.03); font-weight:600; }

/* Footer totals */
tfoot td.sum{
  font-weight:700;
  background-color:#e9f5eb;
  border-top:2px solid var(--accent);
  color:#000;
}

/* Result area */
#resultArea{ margin-top:12px; text-align:center; }

/* Delete button */
.del-btn{
  border:none;
  background:transparent;
  cursor:pointer;
  font-size:1rem;
  padding:6px;
  border-radius:6px;
  transition: background-color 0.15s ease, transform 0.12s ease;
}
.del-btn:hover{ background: rgba(0,0,0,0.06); transform: translateY(-1px); }

/* Quantity buttons */
.qty-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
}

.qty-btn{
  border: 1px solid #ccc;
  background: #f5f5f5;
  color: #333;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color 0.12s ease, transform 0.12s ease;
  margin: 0;
}
.qty-btn:hover{
  background: #e0e0e0;
  transform: translateY(-1px);
}
.qty-btn:active{
  transform: translateY(0);
  background: #d0d0d0;
}
.qty-val{
  display: inline-block;
  min-width: 24px;
  text-align: center;
  font-weight: 600;
  color: #333;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: background-color 0.12s ease;
}
.qty-val:hover {
  background-color: #f0f0f0;
}

/* Species block visual separation */
.species-block{
  border-radius:10px;
  padding:0.6rem;
  margin-bottom:0.9rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.species-block:hover{ transform: translateY(-3px); box-shadow: 0 6px 18px rgba(0,0,0,0.06); }

/* Heading with compact count: SpeciesName(2) */
.species-heading{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:0.5rem;
  margin-bottom:0.45rem;
  font-weight:600;
  font-size:0.98rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  padding-bottom:6px;
}
.species-heading .count{ font-weight:500; color:var(--text); }

/* Species color palette (subtle) */
.species-color-0{ background: linear-gradient(90deg,#f6fbf7,#ffffff); border-color: rgba(43,138,62,0.12); }
.species-color-1{ background: linear-gradient(90deg,#f9f8ff,#ffffff); border-color: rgba(66,56,160,0.08); }
.species-color-2{ background: linear-gradient(90deg,#fffaf2,#ffffff); border-color: rgba(217,149,21,0.08); }
.species-color-3{ background: linear-gradient(90deg,#fff6fb,#ffffff); border-color: rgba(196,51,119,0.08); }
.species-color-4{ background: linear-gradient(90deg,#f2fbff,#ffffff); border-color: rgba(13,150,180,0.08); }
.species-color-5{ background: linear-gradient(90deg,#fbfff6,#ffffff); border-color: rgba(32,126,42,0.08); }

/* Data-id element transition smoothness */
tr[data-id]{ transition: background-color 0.35s ease, transform 0.2s ease, opacity 0.2s ease; }

/* === Animations === */

/* add highlight */
.flash-added{
  animation: flashAdded 0.65s ease forwards;
  z-index:2;
}
@keyframes flashAdded{
  0%   { background-color: rgba(255,247,230,0.95); transform: scale(0.995); }
  40%  { background-color: rgba(234,249,238,1); transform: scale(1.02); }
  100% { background-color: transparent; transform: scale(1); }
}

/* remove animation */
.flash-removed{
  animation: flashRemoved 0.45s ease forwards;
}
@keyframes flashRemoved{
  0%   { opacity:1; transform: scale(1); }
  40%  { opacity:0.85; transform: scale(0.98); }
  100% { opacity:0; transform: scale(0.95); height:0; margin:0; padding:0; overflow:hidden; }
}

/* pulse result area */
.pulse{ animation: resultPulse 0.65s ease forwards; }
@keyframes resultPulse{
  0%   { transform: scale(0.97); opacity:0.9; }
  40%  { transform: scale(1.03); opacity:1; }
  100% { transform: scale(1); opacity:1; }
}

/* Responsive improvements */
@media (max-width: 800px){
  .grid{ grid-template-columns: 1fr !important; gap:0.75rem; }
  .card{ padding:0.8rem; }
  header{ text-align:center; flex-direction:column; align-items:center; gap:0.35rem; }
  #dataStatus{ order:2; font-size:0.85rem; color:#555; }
  .species-list, #speciesList{ margin-top:0.5rem; }
  .controls-row button, button{ min-width:0; flex:1 1 auto; }
  input[type="number"], input[type="text"]{ padding:0.6rem; font-size:1rem; }
  button{ padding:0.65rem; font-size:1rem; }
  tfoot td.sum{ font-weight:700; background-color:#f3fbf6; border-top:1px solid #cfe9d7; }
}

/* Small polish */
.small{ color:var(--muted); }