/* Modern dark theme for WOS Battle Composition Explorer */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: #0d0d0d;
  color: #e0e0e0;
  overflow-x: hidden;
  overflow-y: auto;
  line-height: 1.6;
}

#app {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
  width: 100%; /* avoid 100vw overflow on mobile */
}

header {
  background: #1a1a1a;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #333;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.header-text {
  flex: 1;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  margin: 0;
}

.subtitle {
  font-size: 0.875rem;
  color: #999;
  margin-top: 0.25rem;
}

.dataset-selector {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dataset-selector label {
  font-size: 0.875rem;
  color: #999;
  font-weight: 500;
}

.dataset-selector select {
  background: #0d0d0d;
  color: #e0e0e0;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dataset-selector select:hover {
  border-color: #555;
  background: #1a1a1a;
}

.dataset-selector select:focus {
  outline: none;
  border-color: #ff6b6b;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.tabs { display:flex; gap:8px; margin-left: 12px; }
.tab { background:#0d0d0d; color:#e0e0e0; border:1px solid #333; border-radius:6px; padding:0.4rem 0.75rem; cursor:pointer; }
.tab.active { border-color:#ff6b6b; color:#fff; }
.help-btn { background: linear-gradient(180deg, rgba(24,28,54,0.7), rgba(18,22,42,0.7)); color:#e6e7ea; border:1px solid rgba(64,224,208,0.30); border-radius:50%; width:28px; height:28px; display:inline-flex; align-items:center; justify-content:center; cursor:pointer; font-weight:700; }
.help-btn:hover { border-color: rgba(255,255,255,0.22); }

.panels {
  display: grid;
  grid-template-columns: 60% 40%;
  height: 100%;
  overflow: hidden;
}

.panel {
  background: #1a1a1a;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.panel:first-child {
  border-right: 1px solid #333;
}

.panel-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

#canvas-container {
  width: 100%;
  /* Give a definite height on desktop to avoid percent-height recursion */
  height: 60vh;
  max-height: 720px;
  min-height: 320px;
  position: relative;
}

#ternary-container { width: 100%; }
#ternary-container svg { width: 100%; height: auto; display: block; }

#ternary-container {
  width: 100%;
  height: calc(100% - 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.composition-details {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.8;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.composition-details h3 {
  font-size: 0.75rem;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.composition-details dl {
  margin: 0;
}

.composition-details dt {
  color: #999;
  display: inline-block;
  width: 6rem;
  font-weight: 400;
}

.composition-details dd {
  color: #fff;
  display: inline;
  font-weight: 500;
}

.enemy-details {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 420px;
  margin-top: 0;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
}

.enemy-details h3 {
  font-size: 0.75rem;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.enemy-details dl {
  margin: 0;
}

.enemy-details dt {
  color: #999;
  display: inline-block;
  width: 5rem;
  font-weight: 400;
  font-size: 0.875rem;
}

.enemy-details dd {
  color: #fff;
  display: inline;
  font-weight: 500;
  font-size: 0.875rem;
}

.instructions {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: 8px;
  font-size: 0.8rem;
  color: #ff6b6b;
  line-height: 1.6;
}

/* Loading state */
.loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 1.25rem;
  color: #fff;
  z-index: 1000;
}

.loading::after {
  content: '...';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

/* SVG styles for D3 */
.grid-line {
  stroke: #333;
  stroke-width: 0.5;
  opacity: 0.3;
}

.lattice-point {
  fill: #555;
  opacity: 0.5;
}

.lattice-point:hover {
  opacity: 1.0;
  fill: #888;
}

.enemy-dot {
  cursor: grab;
  filter: drop-shadow(0 2px 8px rgba(255, 107, 107, 0.6));
  transition: filter 0.2s ease;
}

.enemy-dot:hover {
  filter: drop-shadow(0 4px 12px rgba(255, 107, 107, 0.8));
}

.enemy-dot.dragging {
  cursor: grabbing;
  filter: drop-shadow(0 4px 16px rgba(255, 107, 107, 1.0));
}

.axis-label {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  font-weight: 500;
  fill: #999;
  user-select: none;
}

.triangle-border {
  fill: none;
  stroke: #666;
  stroke-width: 2;
}

/* Progress bar (legacy) */
.progress { height: 10px; background:#2a2a2a; border-radius:6px; overflow:hidden; border:1px solid #333; }
.progress .bar { height: 100%; background:#4f46e5; width:0%; transition: width 0.3s ease; }

/* === Modern theme overrides (appended after legacy styles) === */
:root {
  --bg-1: #0b1220;   /* deep navy */
  --bg-2: #0a1424;
  --bg-3: #0a1020;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(158, 151, 255, 0.16);
  --text: #e6e7ea;
  --text-muted: #aab0c2;
  --accent: #a0f0ed; /* pale turquoise */
  --accent-2: #2dd4bf; /* teal */
}

html, body {
  color-scheme: dark; /* hint browser to use dark UI for form controls */
}

body {
  background: radial-gradient(1000px 600px at 10% -10%, rgba(34, 211, 238, 0.12), transparent),
              radial-gradient(900px 500px at 110% 10%, rgba(64, 224, 208, 0.14), transparent),
              radial-gradient(800px 520px at -10% 110%, rgba(183, 148, 244, 0.06), transparent),
              linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 40%, var(--bg-3) 100%);
  color: var(--text);
}

header {
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.2));
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
}

.subtitle { color: var(--text-muted); }

/* Constrain header content width on large screens */
header .header-content { max-width: 1200px; margin: 0 auto; }

.dataset-selector select {
  background: linear-gradient(180deg, rgba(20,24,42,0.85), rgba(14,18,35,0.85));
  color: var(--text);
  border: 1px solid rgba(64,224,208,0.35);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.05);
}
.dataset-selector select:hover { border-color: rgba(255,255,255,0.16); background: rgba(255,255,255,0.08); }
.dataset-selector select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(175, 238, 238, 0.22); }
.dataset-selector label { color: var(--text-muted); }

.tabs { display:flex; gap:8px; margin-left: 12px; }
.tab { background: linear-gradient(180deg, rgba(24,28,54,0.7), rgba(18,22,42,0.7)); color:var(--text); border:1px solid rgba(64,224,208,0.30); border-radius:10px; padding:0.4rem 0.75rem; cursor:pointer; transition: all .2s ease; }
.tab:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.22); }
.tab.active { border-color: var(--accent); color:#fff; box-shadow: 0 0 0 3px rgba(160,240,237,0.22); }

.panel { background: linear-gradient(180deg, rgba(22,26,48,0.65), rgba(16,19,38,0.65)); border: 1px solid rgba(64,224,208,0.18); border-radius: 16px; box-shadow: 0 18px 42px rgba(2, 6, 23, 0.5); }
.panel-title { color: var(--text-muted); font-weight: 600; letter-spacing: 0.06em; }

/* Dataset label above left chart */
.dataset-titlebar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  padding: 6px 8px;
  background: linear-gradient(180deg, rgba(24,28,54,0.35), rgba(18,22,42,0.35));
  /* no border per request */
  border-radius: 10px;
  box-shadow: 0 8px 18px rgba(2,6,23,0.35);
  max-width: 100%;
}
.dataset-titlebar .dataset-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  max-width: 60vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dataset-titlebar .title-btn {
  background: transparent;
  border: none;
  color: var(--text);
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center; justify-content: center;
  border-radius: 8px;
  cursor: pointer;
}
.dataset-titlebar .title-btn:hover { background: rgba(255,255,255,0.08); }
.dataset-titlebar .title-btn:active { transform: translateY(1px); }
.dataset-titlebar .title-btn .icon { display:block; width:16px; height:16px; color: var(--text); opacity: 0.9; }
.dataset-titlebar .title-input {
  appearance: none;
  background: linear-gradient(180deg, rgba(23,26,50,0.9), rgba(17,20,40,0.9));
  border: 1px solid rgba(64,224,208,0.35);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  outline: none;
  transition: all .2s ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 1px 2px rgba(0,0,0,0.25);
  width: min(560px, 70vw);
}
.dataset-titlebar .title-input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(175,238,238,0.20); }

.composition-details { background: rgba(0, 0, 0, 0.6); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 12px; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45); }
.composition-details dt { color: var(--text-muted); }

.enemy-details { background: rgba(0,0,0,0.55); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; box-shadow: 0 10px 24px rgba(0,0,0,0.45); }
.enemy-details dt { color: var(--text-muted); }

.instructions { background: linear-gradient(180deg, rgba(99,102,241,0.08), rgba(34,211,238,0.06)); border: 1px solid rgba(99,102,241,0.35); border-radius: 12px; color: #c7ccff; }

.loading { color: var(--text); font-size: 1.1rem; }

/* Bottom coordinate ribbon */
/* Small ribbons under each chart */
.chart-ribbon {
  margin-top: 6px;
  padding: 6px 8px;
  font-size: 12px;
  color: #cfe9ff;
  background: rgba(10, 16, 32, 0.65);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  backdrop-filter: blur(4px);
  width: 100%;
  box-sizing: border-box;
  /* Do not cut off text; allow horizontal scroll if long */
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

/* Inputs in generate view */
#generate-view { max-width: 1100px; margin: 0 auto; padding-bottom: 72px; }
.gen-stack { display:flex; flex-direction: column; gap: 18px; }
.copy-row { display:flex; gap:12px; justify-content: center; }
.copy-row-center { margin: 4px 0 8px; }
.copy-btn { min-width: 96px; }
.gen-panel { background: linear-gradient(180deg, rgba(16,19,38,0.78), rgba(12,15,32,0.78)); border: 1px solid rgba(64,224,208,0.22); border-radius: 16px; padding: 16px 18px; box-shadow: 0 22px 48px rgba(2,6,23,0.55); width: 100%; }
.gen-panel h3 { margin-bottom: 8px; font-size: 1rem; color: #fff; }

/* Stat group layout */
#generate-view .stat-group { margin: 10px 0 12px; }
#generate-view .stat-group .group-title { font-weight: 600; color: #fff; margin-bottom: 6px; text-transform: none; letter-spacing: 0.02em; }
#generate-view .stat-group .group-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
#generate-view .stat-group .pair { display: flex; align-items: center; gap: 6px; min-width: 0; }
#generate-view .stat-group .pair label { width: 70px; min-width: 64px; text-align: right; color: var(--text-muted); }
#generate-view .stat-group .pair input { flex: 1 1 auto; min-width: 0; }

input, select, button { font-family: 'Inter', sans-serif; }
#generate-view input[type="number"],
#generate-view input[type="text"],
#generate-view select,
.dataset-selector select {
  appearance: none;
  background: linear-gradient(180deg, rgba(23,26,50,0.9), rgba(17,20,40,0.9));
  border: 1px solid rgba(64,224,208,0.35);
  color: var(--text);
  border-radius: 12px;
  padding: 9px 12px;
  outline: none;
  transition: all .2s ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 1px 2px rgba(0,0,0,0.25);
}
#generate-view input[type="number"]:focus,
#generate-view input[type="text"]:focus,
#generate-view select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(175,238,238,0.20); }

#generate-view button, .tabs .tab {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  color: var(--text);
  border: 1px solid rgba(64,224,208,0.35);
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
  transition: all .2s ease;
}
#generate-view button:hover { border-color: rgba(175,238,238,0.35); background: rgba(64,224,208,0.10); }
#generate-view button:active { transform: translateY(1px); }

/* Generate view: label field full-width */
#generate-view .field { display:flex; flex-direction: column; gap:6px; margin: 6px 0 10px; }
#generate-view .field label { color: var(--text-muted); font-size: 0.9rem; }
#generate-view .field input[type="text"] { width: min(600px, 100%); }

/* Softer placeholder color on dark background */
#generate-view input::placeholder { color: var(--text-muted); opacity: 0.75; }

/* Progress bar override */
.progress { background: rgba(255,255,255,0.06); border:1px solid var(--card-border); border-radius: 12px; }
.progress .bar { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

/* Custom select arrow and dropdown palette */
#generate-view select, .dataset-selector select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7l5 6 5-6' stroke='%23c9fff4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  background-size: 0.85rem;
  padding-right: 2rem;
}
#generate-view select option, .dataset-selector select option { background-color: #0b1220; color: #e6e7ea; }

/* Generate view responsive alignment */
@media (max-width: 768px) {
  /* make numeric inputs expand and align with labels */
  #generate-view input[type="number"], #generate-view select { width: 100%; min-width: 0; }
  /* stat group grid keeps 2 columns; label+input inside each cell */
  #generate-view .stat-group .group-grid { grid-template-columns: 1fr 1fr; }
  /* heroes/joiners into 2 per row pairs */
  #generate-view .heroes-wrap, #generate-view .joiners-wrap { display: grid; grid-template-columns: 70px 1fr 70px 1fr; gap: 6px 8px; align-items: center; }
  #generate-view .heroes-wrap label, #generate-view .joiners-wrap label { text-align: right; color: var(--text-muted); }
}

/* ---------- Responsive layout adjustments ---------- */
/* Make ternary SVG scale to container width */
.panels, .panel, #canvas-container { max-width: 100%; }
.panels, .panel, #canvas-container { max-width: 100%; }
svg { max-width: 100%; height: auto; }
/* Improve drag on touch */
#ternary-container { touch-action: pan-y; }
#ternary-container svg { touch-action: auto; }

/* Tablet: relax grid, reduce paddings */
@media (max-width: 1024px) {
  header { padding: 1rem 1.25rem; }
  .header-content { flex-wrap: wrap; gap: 0.75rem 1rem; }
  .dataset-selector { order: 3; width: 100%; }
  .tabs { order: 2; margin-left: 0; }
  .panels { grid-template-columns: 1fr 1fr; height: auto; overflow: visible; gap: 12px; padding: 12px; }
  .panel { padding: 1rem; border-radius: 12px; }
  .panel:first-child { border-right: none; border-bottom: 1px solid #333; }
  #canvas-container { height: 48vh; }
  .composition-details, .enemy-details { position: static; max-width: none; margin-top: 12px; }
}

/* Phone: single column, compact header, larger interactive areas */
@media (max-width: 768px) {
  :root { --topbar: 56px; --ribbon: 28px; }
  header { padding: 8px 10px; }
  .header-content { gap: 8px; align-items: center; width: 100%; max-width: 100%; }
  header .header-content { max-width: 100% !important; width: 100% !important; }
  .header-content > * { min-width: 0; }
  .header-text, .subtitle { display: none !important; }
  .tabs { width: auto; flex: 0 0 auto; }
  .dataset-selector { flex: 1 1 0; min-width: 0; justify-content: flex-end; }
  .dataset-selector select { width: 100%; max-width: 100%; min-width: 0; }
  /* Fit both charts on one screen */
  .panels { grid-template-columns: 1fr; gap: 6px; padding: 0; overflow: hidden; width: 100% !important; max-width: 100% !important; }
  .panel { padding: 6px; border-radius: 10px; width: 100%; max-width: 100%; }
  .panel-title, .dataset-titlebar, .composition-details, .enemy-details, .instructions { display: none !important; }
  #canvas-container, #ternary-container { width: 100%; max-width: 100%; overflow: hidden; }
  /* Reserve space for two ribbons under the charts */
  #canvas-container { height: calc((100dvh - var(--topbar) - (2 * var(--ribbon)) - 16px) / 2); }
  #ternary-container { height: calc((100dvh - var(--topbar) - (2 * var(--ribbon)) - 16px) / 2); }
  #ternary-container svg { width: 100% !important; height: 100% !important; }
  /* Add a bigger scrollable grab area at top of each panel */
  .panel::before { content: ''; display: block; height: 14px; width: 100%; touch-action: pan-y; }
}

/* Small phones */
@media (max-width: 420px) {
  header { padding: 0.75rem 0.75rem; }
  .panels { padding: 8px; gap: 12px; }
  #canvas-container { height: 50vh; }
}