/* ─── RESET & VARS ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* OpIndex palette — exact tokens */
  --bg:           #0F1216;   /* Graphite Black */
  --panel:        #1B1F26;   /* Steel Gray */
  --panel-alt:    #232A33;   /* Elevated Panel */
  --border:       #2E3642;   /* Dividers */
  --border-hi:    #3a4655;   /* Highlighted border */

  /* OpIndex text scale */
  --text:         #E6E8EB;   /* Neutral White */
  --text-dim:     #B7BEC8;   /* Muted */
  --text-faint:   #7E8794;   /* Secondary muted */

  /* OpIndex signal colors */
  --accent:       #C43C3C;   /* Signal Red — primary action */
  --accent-glow:  rgba(196,60,60,0.10);
  --amber:        #D8A23A;   /* Amber accent */
  --green:        #3FAE6E;   /* Positive */

  /* Team colors — semantic, not UI chrome */
  --friendly:     #4A8FD4;   /* Friendly blue — desaturated to fit palette */
  --enemy:        #C43C3C;   /* Enemy red = signal red */
  --red:          #C43C3C;
  --yellow:       #D8A23A;

  --header-h:     clamp(42px, 3.2vh, 56px);
  --toolbar-w-default:  62px;
  --rpanel-w-default:   186px;
  --handle-w:     5px;
  --font-mono:    'Share Tech Mono', monospace;
  --font-ui:      Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Barlow Condensed', sans-serif;

  /* Fluid type */
  --fs-label:     clamp(7px,  0.52vw, 11px);
  --fs-btn:       clamp(8px,  0.58vw, 12px);
  --fs-meta:      clamp(7px,  0.48vw, 10px);
  --fs-prop:      clamp(8px,  0.55vw, 11px);
  --fs-keys:      clamp(7px,  0.48vw, 10px);

  /* OpIndex radius — hard edges */
  --r:            6px;
  --r-sm:         0px;
}

html, body {
  height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font-family: var(--font-ui); -webkit-font-smoothing: antialiased;
  letter-spacing: 0.2px;
  display: flex; flex-direction: column;
}

/* ─── HEADER ─────────────────────────────────────────── */
header {
  height: var(--header-h);
  background: var(--panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 clamp(10px, 1vw, 20px); gap: clamp(10px, 1.2vw, 22px);
  flex-shrink: 0; position: relative; z-index: 10;
}

.logo {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(13px, 1vw, 18px); letter-spacing: 4px;
  color: var(--text); white-space: nowrap; flex-shrink: 0;
}
.logo-sit { color: var(--red); }
.logo span { color: var(--text-faint); }
.logo span.logo-sit { color: var(--red); }
.logo em {
  font-style: normal; font-weight: 400;
  font-size: clamp(8px, 0.55vw, 11px); letter-spacing: 2px;
  color: var(--text-faint); margin-left: 10px; font-family: var(--font-mono);
}

.header-center { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; }
.plan-label { font-size: var(--fs-meta); letter-spacing: 2px; color: var(--text-faint); font-family: var(--font-mono); }

#plan-name {
  background: transparent; border: none;
  border-bottom: 1px solid var(--border-hi);
  color: var(--text); font-family: var(--font-ui);
  font-size: clamp(12px, 0.9vw, 16px); font-weight: 700; letter-spacing: 1px;
  text-align: center; width: clamp(160px, 16vw, 280px); padding: 2px 4px;
  outline: none; text-transform: uppercase;
}
#plan-name:focus { border-bottom-color: var(--text-dim); color: var(--text); }

.header-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.status-chip {
  font-size: var(--fs-meta); letter-spacing: 0.8px; padding: 4px 10px;
  border: 1px solid var(--border); color: var(--text-faint);
  border-radius: var(--r); max-width: clamp(120px, 14vw, 220px);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--font-mono); text-transform: uppercase;
  background: rgba(255,255,255,0.02);
}
.status-chip.loaded { border-color: var(--border-hi); color: var(--text-dim); }
.obj-count { font-size: var(--fs-meta); letter-spacing: 1px; color: var(--text-faint); font-family: var(--font-mono); }

/* ─── ZOOM CONTROL ────────────────────────────────────── */
.zoom-control {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden; flex-shrink: 0;
  background: rgba(255,255,255,0.02);
}
.zoom-btn {
  background: transparent; border: none;
  color: var(--text-faint); cursor: pointer;
  font-family: var(--font-mono); font-size: 13px; line-height: 1;
  padding: 4px 8px; transition: color 0.1s, background 0.1s;
}
.zoom-btn:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.zoom-val {
  font-family: var(--font-mono); font-size: var(--fs-meta);
  letter-spacing: 1px; color: var(--text-dim);
  min-width: 38px; text-align: center;
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  padding: 0 4px;
}
.zoom-reset { border-left: 1px solid var(--border); font-size: 11px; }

/* ─── WORKSPACE ───────────────────────────────────────── */
.workspace { display: flex; flex: 1; overflow: hidden; }

/* ─── RESIZE HANDLES ──────────────────────────────────── */
.resize-handle {
  flex-shrink: 0; width: var(--handle-w); cursor: col-resize;
  background: transparent; position: relative; z-index: 20;
  transition: background 0.15s;
}
.resize-handle::after {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 2px; height: clamp(20px, 6vh, 40px);
  background: var(--border-hi); border-radius: 1px;
  transition: background 0.15s, height 0.15s;
}
.resize-handle:hover::after,
.resize-handle.dragging::after {
  background: var(--text-faint);
  height: clamp(30px, 10vh, 60px);
}

/* ─── LEFT TOOLBAR ────────────────────────────────────── */
.toolbar {
  width: var(--toolbar-w-default); min-width: 52px; max-width: 160px;
  background: var(--panel); border-right: none;
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden; flex-shrink: 0;
  scrollbar-width: none;
}
.toolbar::-webkit-scrollbar { display: none; }
#toolbar-handle { border-left: 1px solid var(--border); border-right: 1px solid var(--border); }

.tool-section {
  padding: clamp(5px, 0.5vh, 10px) clamp(4px, 0.4vw, 8px);
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; gap: 3px;
}

.section-label {
  font-size: var(--fs-label); letter-spacing: 0.8px; color: var(--text-faint);
  text-align: center; padding-bottom: 3px; width: 100%;
  font-family: var(--font-mono); text-transform: uppercase;
}

.tool-btn {
  width: clamp(36px, 3vw, 54px); height: clamp(32px, 2.6vh, 46px);
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--text-faint); cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; transition: border-color 0.1s, color 0.1s, background 0.1s;
}
.tool-btn svg { width: clamp(13px, 1.1vw, 20px); height: clamp(13px, 1.1vw, 20px); flex-shrink: 0; }
.tool-btn span { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 1px; line-height: 1; }
.tool-btn:hover { border-color: var(--border-hi); color: var(--text); background: rgba(255,255,255,0.04); }
.tool-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.team-btn { border-color: var(--border); }
.team-btn:hover { background: rgba(255,255,255,0.04); }
.team-btn.active-friendly { border-color: var(--friendly); background: rgba(74,143,212,0.12); }
.team-btn.active-enemy    { border-color: var(--enemy);    background: rgba(196,60,60,0.12);  }

/* COLOR SWATCHES */
.color-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; width: 100%; }
.swatch {
  width: 100%; aspect-ratio: 1; border-radius: 3px;
  background: var(--c); border: 2px solid transparent;
  cursor: pointer; transition: transform 0.1s, border-color 0.1s;
}
.swatch:hover { transform: scale(1.1); }
.swatch.active { border-color: white; }

/* STROKE */
.stroke-row { display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 2px 0; }
.stroke-btn {
  width: clamp(26px, 2.2vw, 40px); height: 24px; background: rgba(255,255,255,0.02);
  border: 1px solid var(--border); border-radius: var(--r);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: border-color 0.1s;
}
.stroke-btn span { border-radius: 50%; background: var(--text-faint); display: block; transition: background 0.1s; }
.stroke-btn:hover { border-color: var(--border-hi); }
.stroke-btn:hover span { background: var(--text-dim); }
.stroke-btn.active { border-color: var(--text-dim); }
.stroke-btn.active span { background: var(--text); }

/* ─── HEADER GROUPS & BUTTONS ─────────────────────────── */
.header-divider {
  width: 1px; height: 20px;
  background: var(--border); flex-shrink: 0;
}

.header-group {
  display: flex; align-items: center; gap: 2px; flex-shrink: 0;
}

.hdr-btn {
  height: 28px; min-width: 28px;
  display: flex; align-items: center; justify-content: center; gap: 5px;
  background: transparent; border: 1px solid transparent;
  border-radius: var(--r); color: var(--text-faint);
  cursor: pointer; padding: 0 7px;
  transition: color 0.1s, background 0.1s, border-color 0.1s;
  font-family: var(--font-mono); font-size: var(--fs-meta); letter-spacing: 1px;
}
.hdr-btn svg { flex-shrink: 0; }
.hdr-btn span { white-space: nowrap; }
.hdr-btn:hover {
  color: var(--text); background: rgba(255,255,255,0.04);
  border-color: var(--border);
}
.hdr-btn-danger:hover { color: var(--red); background: rgba(196,60,60,0.08); border-color: rgba(196,60,60,0.3); }
.hdr-btn-success:hover { color: var(--green); background: rgba(63,174,110,0.08); border-color: rgba(63,174,110,0.3); }

/* ─── CANVAS ──────────────────────────────────────────── */
.canvas-wrap {
  flex: 1; position: relative; overflow: hidden; min-width: 200px;
  background: #080a0d;
  background-image:
    linear-gradient(rgba(46,54,66,0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,54,66,0.25) 1px, transparent 1px);
  background-size: 40px 40px;
}
.canvas-inner { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* DROP ZONE */
.drop-zone {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; pointer-events: none; z-index: 5; transition: opacity 0.2s;
}
.drop-zone.hidden { opacity: 0; pointer-events: none; }
.dz-icon { font-size: clamp(36px, 4vw, 64px); color: var(--text-faint); animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:.15} 50%{opacity:.4} }
.dz-title {
  font-family: var(--font-ui); font-size: clamp(14px, 1.2vw, 22px);
  font-weight: 700; letter-spacing: 3px; color: var(--text-faint);
  text-transform: uppercase;
}
.dz-sub { font-size: clamp(8px, 0.6vw, 11px); letter-spacing: 2px; color: var(--text-faint); font-family: var(--font-mono); }
.dz-btn {
  pointer-events: all; border: 1px solid var(--border-hi);
  background: rgba(255,255,255,0.02); color: var(--text-dim);
  font-family: var(--font-mono); font-size: clamp(9px, 0.65vw, 12px); letter-spacing: 2px;
  padding: 8px 18px; cursor: pointer; margin-top: 4px;
  border-radius: var(--r); transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.dz-btn:hover { border-color: var(--text-dim); color: var(--text); background: rgba(255,255,255,0.04); }
.canvas-wrap.drag-over { outline: 2px dashed var(--border-hi); outline-offset: -3px; }

/* ─── RIGHT PANEL ─────────────────────────────────────── */
.right-panel {
  width: var(--rpanel-w-default); min-width: 150px; max-width: 360px;
  background: var(--panel); border-left: none;
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden; flex-shrink: 0;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
#rpanel-handle { border-left: 1px solid var(--border); border-right: 1px solid var(--border); }

.rp-section {
  padding: clamp(7px, 0.6vh, 12px) clamp(8px, 0.6vw, 14px);
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}

.rp-btn {
  width: 100%; padding: clamp(7px, 0.5vh, 10px) clamp(8px, 0.6vw, 12px);
  background: rgba(255,255,255,0.02); border: 1px solid var(--border); color: var(--text-dim);
  font-family: var(--font-ui); font-size: var(--fs-btn); font-weight: 600;
  letter-spacing: 0.2px; cursor: pointer; text-align: left;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
  border-radius: var(--r); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rp-btn:hover { border-color: var(--border-hi); color: var(--text); background: rgba(255,255,255,0.04); }
.rp-btn.danger:hover { border-color: rgba(196,60,60,0.6); color: var(--red); background: rgba(196,60,60,0.08); }
.rp-btn.success:hover { border-color: rgba(63,174,110,0.6); color: var(--green); background: rgba(63,174,110,0.08); }

/* PROPERTIES PANEL */
.prop-row { display: flex; align-items: center; gap: 6px; min-height: 22px; flex-wrap: wrap; }
.prop-label {
  font-size: var(--fs-prop); letter-spacing: 0.6px; color: var(--text-faint);
  min-width: 44px; flex-shrink: 0; font-family: var(--font-mono);
  text-transform: uppercase;
}
.prop-input {
  flex: 1; min-width: 60px; background: var(--panel-alt); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font-ui); font-size: var(--fs-prop); font-weight: 600;
  letter-spacing: 0.2px; padding: 4px 8px; outline: none; border-radius: var(--r);
  text-transform: uppercase;
}
.prop-input:focus { border-color: var(--border-hi); }
.prop-color-row { display: flex; align-items: center; gap: 6px; flex: 1; min-width: 0; }
.prop-color {
  width: 26px; height: 22px; border: 1px solid var(--border);
  border-radius: var(--r); cursor: pointer; padding: 0; background: none; flex-shrink: 0;
}
.prop-color::-webkit-color-swatch-wrapper { padding: 2px; }
.prop-color::-webkit-color-swatch { border: none; border-radius: 3px; }

/* ICON GRIDS */
.icon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }

.icon-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; padding: clamp(5px, 0.4vh, 8px) 4px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border: 1px solid var(--border); border-radius: var(--r);
  cursor: pointer; transition: border-color 0.12s, background 0.12s;
  min-height: clamp(44px, 4vh, 64px);
}
.icon-btn:hover { border-color: var(--border-hi); background: rgba(255,255,255,0.04); }
.icon-btn.placing { border-color: var(--accent); background: var(--accent-glow); }
.icon-btn svg { width: clamp(18px, 1.6vw, 28px); height: clamp(18px, 1.6vw, 28px); flex-shrink: 0; }
.icon-btn .icon-label {
  font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: 0.8px;
  color: var(--text-faint); text-align: center; line-height: 1.2;
}

/* SLIDER — wraps gracefully instead of clipping */
.slider-row {
  display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap; row-gap: 4px;
}
.slider-label {
  font-size: var(--fs-label); letter-spacing: 0.8px;
  color: var(--text-faint); white-space: nowrap;
  flex-shrink: 0; font-family: var(--font-mono); text-transform: uppercase;
}

input[type=range] {
  flex: 1; min-width: 40px; -webkit-appearance: none; height: 2px;
  background: var(--border); border-radius: 1px; outline: none;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: clamp(10px, 0.8vw, 14px); height: clamp(10px, 0.8vw, 14px);
  border-radius: 50%; background: var(--text-dim); cursor: pointer;
}
input[type=range]::-webkit-slider-thumb:hover { background: var(--text); }
.slider-val {
  font-size: var(--fs-meta); color: var(--text-dim);
  min-width: 30px; text-align: right; flex-shrink: 0;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
}

/* KEYS */
.keys-section { opacity: 0.6; }
.keys-grid {
  display: grid; grid-template-columns: clamp(28px, 2.4vw, 42px) 1fr;
  gap: 3px clamp(5px, 0.5vw, 10px); font-size: var(--fs-keys); letter-spacing: 0.6px;
  font-family: var(--font-mono);
}
.keys-grid span:nth-child(odd)  { color: var(--text-dim); }
.keys-grid span:nth-child(even) { color: var(--text-faint); }

/* ─── TOAST ───────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: var(--panel-alt); border: 1px solid var(--border-hi);
  color: var(--text); font-family: var(--font-ui); font-weight: 600;
  font-size: clamp(9px, 0.65vw, 12px); letter-spacing: 0.4px;
  padding: 8px 18px; border-radius: var(--r);
  z-index: 999; transition: transform 0.2s ease; pointer-events: none;
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.success { border-color: rgba(63,174,110,0.5); color: var(--green); }
#toast.warn    { border-color: rgba(216,162,58,0.5); color: var(--amber); }

/* ─── MAP SELECTOR GRID ───────────────────────────────── */
.map-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4px; margin-bottom: 6px;
}

.map-thumb-btn {
  position: relative; aspect-ratio: 4/3;
  border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden; cursor: pointer;
  background: var(--panel-alt); transition: border-color 0.12s; padding: 0;
}
.map-thumb-btn:hover { border-color: var(--border-hi); }
.map-thumb-btn.active { border-color: var(--border-hi); box-shadow: inset 0 0 0 1px var(--border-hi); }

.map-thumb-btn img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.6; transition: opacity 0.12s; display: block;
}
.map-thumb-btn:hover img,
.map-thumb-btn.active img { opacity: 0.9; }

.map-thumb-fallback {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; pointer-events: none;
}
.map-thumb-fallback .thumb-icon { font-size: 20px; opacity: 0.15; }

.map-thumb-name {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 3px 4px; font-family: var(--font-mono);
  font-size: var(--fs-label); letter-spacing: 0.8px;
  color: var(--text-dim); background: rgba(15,18,22,0.88);
  text-align: center; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; text-transform: uppercase;
}

.map-actions { display: flex; flex-direction: column; gap: 4px; }

/* ─── WIP BANNER ──────────────────────────────────────── */
.wip-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 14px;
  background: rgba(216, 162, 58, 0.10);
  border-bottom: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-mono); font-size: var(--fs-meta);
  letter-spacing: 0.6px; line-height: 1.4;
  flex-shrink: 0;
}
.wip-banner.hidden { display: none; }
.wip-icon { flex-shrink: 0; opacity: 0.9; }
.wip-banner span { flex: 1; }
.wip-dismiss {
  background: transparent; border: none;
  color: var(--amber); opacity: 0.5; cursor: pointer;
  font-size: 11px; padding: 2px 4px; line-height: 1;
  flex-shrink: 0; transition: opacity 0.1s;
}
.wip-dismiss:hover { opacity: 1; }

/* ─── COPYRIGHT ───────────────────────────────────────── */
.copyright-section { margin-top: auto; opacity: 0.45; }
.copyright-line {
  font-size: var(--fs-meta); color: var(--text-faint);
  font-family: var(--font-mono); letter-spacing: 0.4px;
  line-height: 1.6;
}
.copyright-caveat {
  font-size: calc(var(--fs-meta) - 1px); color: var(--text-faint);
  font-family: var(--font-mono); letter-spacing: 0.2px;
  line-height: 1.5; margin-top: 5px;
  border-top: 1px solid var(--border); padding-top: 6px;
}

/* ─── FABRIC OVERRIDES ────────────────────────────────── */
.canvas-container { position: absolute !important; top: 0; left: 0; }
.panel-alt { background: var(--panel-alt); }