/* ==========================================================================
   DUNGEON DEPTHS — Phase 1 Styles
   3-column 1080p layout · VT323 pixel font · Cave palette
   ========================================================================== */

/* ── Custom properties (cave palette) ───────────────────────────────────── */
:root {
  --bg:          #07070d;
  --bg-panel:    #0d0d18;
  --bg-deep:     #0a0a12;
  --bg-darker:   #08080e;
  --border:      #1e1a0e;
  --border-dim:  #181408;
  --border-gold: #3a2a10;
  --gold:        #d4a047;
  --gold-dim:    #c89a3a;
  --gold-pale:   #e8c87a;
  --text:        #c8b8a2;
  --text-dim:    #8a7a6a;
  --text-muted:  #5a4a3a;
  --text-dark:   #3a2a1a;
  --red-dark:    #180808;
  --red-border:  #2a1010;
  --blue-dark:   #08081a;
  --blue-border: #10102a;
  --purple-dark: #100818;
  --purple-bdr:  #200830;
  --font:        'VT323', 'Courier New', monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  user-select: none;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
#hdr {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 24px;
  padding: 6px 0 4px;
  border-bottom: 1px solid var(--border);
  background: #09090f;
  flex-shrink: 0;
}

#title {
  font-size: 28px;
  color: var(--gold);
  letter-spacing: 6px;
  text-shadow: 0 0 24px rgba(212,160,71,.5);
  text-transform: uppercase;
}

#flbl {
  font-size: 18px;
  color: var(--text-muted);
  letter-spacing: 3px;
}

/* ── 3-column layout ─────────────────────────────────────────────────────── */
#layout {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  padding: 8px;
  width: 100%;
  max-width: 1320px;
  flex: 1;
  overflow: hidden;
}

/* ── Left panel ──────────────────────────────────────────────────────────── */
#left-panel {
  width: 230px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  max-height: calc(100vh - 56px);
}

/* ── Center column ───────────────────────────────────────────────────────── */
#center-col {
  position: relative;
  flex-shrink: 0;
}

#gameCanvas {
  display: block;
  border: 2px solid #2a1a0a;
  box-shadow: 0 0 40px rgba(255,140,40,.12);
  image-rendering: pixelated;
}

/* Fire-mode indicator — overlaid on canvas */
#firemode {
  display: none;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: #2a1000;
  border: 1px solid #c03818;
  border-radius: 3px;
  padding: 4px 12px;
  font-size: 18px;
  color: #f06830;
  text-align: center;
  letter-spacing: 1px;
  pointer-events: none;
  white-space: nowrap;
}

/* ── Right panel ─────────────────────────────────────────────────────────── */
#right-panel {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  max-height: calc(100vh - 56px);
}

/* ── Shared panel chrome ─────────────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 10px;
}

/* Panel heading */
.ph {
  font-size: 14px;
  color: var(--gold-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.ph-sub {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0;
}

/* ── Equipment panel (left) ──────────────────────────────────────────────── */
.eq-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
}

.eq-icon {
  font-size: 20px;
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}

.eq-detail { flex: 1; }

.eq-kind {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.eq-name {
  font-size: 15px;
  color: var(--gold-pale);
}

/* ── Pack preview canvas (left panel) ───────────────────────────────────── */
/* #grid-canvas is sized dynamically by _renderPackPreview() in Game.js      */
#grid-canvas {
  display: block;
  image-rendering: pixelated;
  max-width: 100%;
}

#pack-hint {
  font-size: 12px;
  color: var(--text-dark);
  text-align: center;
  margin-top: 2px;
}

#pack-hint kbd {
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  border-radius: 2px;
  padding: 0 3px;
  font-family: var(--font);
  font-size: 12px;
  color: var(--text-dim);
}

/* ── Consumable preview (left panel) ────────────────────────────────────── */
#consumable-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.cp-chip {
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  border-radius: 2px;
  padding: 2px 5px;
  font-size: 13px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 3px;
}

.cp-chip .cp-icon { font-size: 14px; }
.cp-chip .cp-ct   { font-size: 11px; color: var(--text-muted); }

/* ── Stat panel (right) ──────────────────────────────────────────────────── */
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 15px;
  margin: 2px 0;
}

.lbl { color: var(--text-muted); }
.val { color: var(--gold-pale); }
.val.atk  { color: #e85050; }
.val.def  { color: #50a0e8; }
.val.ally { color: #33aacc; }
.val.gold { color: var(--gold); }

/* Stat bars */
.bw {
  border-radius: 2px;
  height: 8px;
  margin: 2px 0 5px;
  overflow: hidden;
}

.hp-bg { background: var(--red-dark);    border: 1px solid var(--red-border); }
.ep-bg { background: var(--blue-dark);   border: 1px solid var(--blue-border); }
.mp-bg { background: var(--purple-dark); border: 1px solid var(--purple-bdr); }

.bi { height: 100%; transition: width .15s; }
#bhp  { background: linear-gradient(to right, #7a1515, #bf2e2e); }
#bexp { background: linear-gradient(to right, #183070, #2855b5); }
#bmp  { background: linear-gradient(to right, #301870, #7030c8); }

.divider {
  border-top: 1px solid var(--border);
  margin: 5px 0;
}

/* ── Message log (right) ─────────────────────────────────────────────────── */
#log {
  height: 160px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.4;
}

#log::-webkit-scrollbar { width: 3px; }
#log::-webkit-scrollbar-thumb { background: #2a1a0a; }

.m   { margin: 1px 0; }
.m-c { color: #bf5533; }   /* combat  */
.m-s { color: #6a6a9a; }   /* system  */
.m-l { color: var(--gold); }   /* loot    */
.m-i { color: #4a9a55; }   /* item    */
.m-d { color: #aa2020; }   /* danger  */
.m-w { color: #666; }      /* wait    */
.m-a { color: #33aacc; }   /* ally    */

/* ── Minimap panel (right) ───────────────────────────────────────────────── */
#minimap {
  display: block;
  image-rendering: pixelated;
  width: 180px;
  height: 180px;
}

/* ── Controls panel (right) ──────────────────────────────────────────────── */
.ctrl-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 8px;
  font-size: 13px;
}

.ck { color: var(--gold-dim); white-space: nowrap; }
.cv { color: var(--text-dim); }

/* ── INVENTORY OVERLAY ───────────────────────────────────────────────────── */
#inv-ov {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.87);
  align-items: center;
  justify-content: center;
  z-index: 50;
}

#inv-box {
  background: var(--bg-panel);
  border: 2px solid var(--border-gold);
  border-radius: 5px;
  padding: 20px;
  width: 320px;   /* 5 cols × 48px + 2×20px padding = 280px; 320px gives breathing room */
  max-width: 96vw;
}

/* Inventory grid canvas — sized dynamically by _renderInv() */
#inv-grid-canvas {
  display: block;
  image-rendering: pixelated;
  cursor: pointer;
  margin-bottom: 8px;
}

#inv-box h2 {
  color: var(--gold);
  font-size: 22px;
  letter-spacing: 4px;
  text-align: center;
  margin-bottom: 14px;
}

.isec {
  font-size: 13px;
  color: var(--gold-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 5px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

/* Equipped slots */
#inv-equip { display: flex; gap: 8px; margin-bottom: 14px; }

.eq-slot {
  flex: 1;
  background: var(--bg-deep);
  border: 1px solid #2a1a0a;
  border-radius: 3px;
  padding: 8px;
  text-align: center;
  min-height: 52px;
  cursor: grab;
}

.eq-slot .eq-lbl { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; margin-bottom: 3px; }
.eq-slot .eq-val { font-size: 15px; color: var(--gold-pale); }
.eq-slot.drag-over { border-color: var(--gold) !important; background: #181206; box-shadow: inset 0 0 8px rgba(212,160,71,.3); }
.eq-slot.dragging  { opacity: .4; }

/* (Phase 5: #inv-grid div replaced by #inv-grid-canvas — .isl rules removed) */

#inv-info {
  background: var(--bg-darker);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 7px 8px;
  font-size: 14px;
  min-height: 36px;
  margin-bottom: 8px;
  color: var(--text-dim);
}

#inv-keys {
  font-size: 13px;
  color: var(--text-dark);
  text-align: center;
  line-height: 1.8;
}

#inv-drop-btn {
  background: var(--red-dark);
  border: 1px solid #6a1a1a;
  color: #cc4444;
  padding: 5px 16px;
  font-family: var(--font);
  font-size: 14px;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 2px;
  margin-top: 6px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

#inv-drop-btn:hover { background: #280c0c; border-color: #cc3333; }

/* ── SHOP OVERLAY ────────────────────────────────────────────────────────── */
#shop-ov {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.88);
  align-items: center;
  justify-content: center;
  z-index: 50;
}

#shop-box {
  background: var(--bg-panel);
  border: 2px solid #d4a030;
  border-radius: 5px;
  padding: 20px;
  width: 640px;
  max-width: 96vw;
}

#shop-box h2 {
  color: #d4a030;
  font-size: 22px;
  letter-spacing: 3px;
  text-align: center;
  margin-bottom: 5px;
}

#shop-gold-line {
  font-size: 15px;
  color: var(--gold-pale);
  text-align: center;
  margin-bottom: 12px;
}

.shop-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 10px;
}

.shop-col-hd {
  font-size: 13px;
  color: var(--gold-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  border-bottom: 1px solid #2a1a08;
  padding-bottom: 3px;
  margin-bottom: 6px;
}

#shop-merc-grid  { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
#shop-inv-canvas { display: block; image-rendering: pixelated; cursor: pointer; }

/* Trade slots */
.tslot {
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 4px;
  min-height: 60px;
  transition: border-color .1s;
}

.tslot.empty           { border-style: dashed; border-color: var(--border-dim); }
.tslot.merc            { cursor: grab; }
.tslot.merc:hover      { border-color: #d4a030; }
.tslot.pinv.has-item   { cursor: grab; }
.tslot.pinv.has-item:hover { border-color: var(--gold); }
.tslot.refund          { border-color: #2a7a2a !important; }
.tslot.dragging        { opacity: .28; border-style: dashed; }
.tslot.drag-over       { background: #181206 !important; }
.tslot.drag-over.merc  { box-shadow: inset 0 0 8px rgba(212,160,71,.35); border-color: #d4a030 !important; }
.tslot.drag-over.pinv  { box-shadow: inset 0 0 8px rgba(80,200,80,.25); border-color: #55aa55 !important; }

.tich { font-size: 18px; text-align: center; margin-bottom: 1px; }
.tinm { font-size: 10px; color: var(--text-dim); text-align: center; line-height: 1.2; }
.tprc { font-size: 10px; text-align: center; margin-top: 2px; }

#shop-info {
  background: var(--bg-darker);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 6px 8px;
  font-size: 14px;
  min-height: 30px;
  margin-bottom: 7px;
  color: var(--text-dim);
}

#shop-keys {
  font-size: 13px;
  color: var(--text-dark);
  text-align: center;
  line-height: 1.8;
}

/* ── GAME OVER OVERLAY ───────────────────────────────────────────────────── */
#ov {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  z-index: 99;
}

#ov h2 {
  font-size: 56px;
  letter-spacing: 10px;
  color: #cc2222;
  text-shadow: 0 0 40px rgba(200,30,30,.9);
}

#ov .sub {
  color: var(--text-muted);
  font-size: 18px;
}

#restbtn {
  background: var(--bg-panel);
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 10px 32px;
  font-family: var(--font);
  font-size: 20px;
  letter-spacing: 3px;
  cursor: pointer;
  text-transform: uppercase;
  border-radius: 2px;
}

#restbtn:hover { background: #1a1a2a; }

/* ── Scrollbar global ────────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a1a0a; border-radius: 2px; }