* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #000; overflow: hidden; font-family: 'Segoe UI', Arial, sans-serif; }
#game-container { position: relative; width: 100vw; height: 100vh; }
#gameCanvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: block; }

/* RS-style panel colors */
:root {
  --panel-bg: linear-gradient(180deg, #3b2a1a 0%, #2a1d10 100%);
  --panel-border: #5a4a3a;
  --panel-gold: #c8a84e;
  --panel-text: #e8d8a8;
  --panel-dark: #1a1208;
  --panel-highlight: #4a3a2a;
}

/* Top bar orbs */
#top-bar {
  position: absolute; top: 10px; left: 10px;
  display: flex; gap: 8px; z-index: 10;
}
.orb {
  width: 48px; height: 48px; border-radius: 50%;
  background: #1a1208; border: 2px solid var(--panel-gold);
  position: relative; overflow: hidden; cursor: pointer;
}
.orb-fill {
  position: absolute; bottom: 0; width: 100%;
  transition: height 0.3s;
}
.hp-fill { background: rgba(200,30,30,0.6); height: 100%; }
.prayer-fill { background: rgba(40,140,200,0.6); height: 100%; }
.run-fill { background: rgba(200,180,40,0.6); height: 100%; }
.orb-icon {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: 18px; z-index: 2;
}
.orb-text {
  position: absolute; bottom: -18px; width: 100%;
  text-align: center; font-size: 10px; color: var(--panel-text);
  text-shadow: 1px 1px 2px #000;
}

/* Minimap */
#minimap-container {
  position: absolute; top: 8px; right: 8px; z-index: 10;
  width: 164px; height: 164px; border-radius: 50%;
  border: 3px solid var(--panel-gold); background: #1a1208;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0,0,0,0.8), inset 0 0 5px rgba(0,0,0,0.5);
}
#minimapCanvas { border-radius: 50%; }
.minimap-compass {
  position: absolute; top: 4px; left: 50%; transform: translateX(-50%);
  color: var(--panel-gold); font-weight: bold; font-size: 12px;
  text-shadow: 1px 1px 2px #000;
}

/* Right panel */
#right-panel {
  position: absolute; top: 180px; right: 4px; width: 210px;
  background: var(--panel-bg); border: 2px solid var(--panel-border);
  border-radius: 4px; z-index: 10;
  box-shadow: 0 0 15px rgba(0,0,0,0.7);
  max-height: calc(100vh - 260px); overflow: hidden;
}
#panel-tabs {
  display: flex; background: var(--panel-dark);
  border-bottom: 2px solid var(--panel-border);
}
.tab {
  flex: 1; padding: 6px 2px; text-align: center; cursor: pointer;
  font-size: 16px; border-right: 1px solid var(--panel-border);
  transition: background 0.2s;
}
.tab:hover { background: var(--panel-highlight); }
.tab.active { background: var(--panel-highlight); box-shadow: inset 0 -2px 0 var(--panel-gold); }
.tab:last-child { border-right: none; }

#panel-content { padding: 4px; }
.panel-page { display: none; }
.panel-page.active { display: block; }

/* Inventory grid */
#inventory-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
}
.inv-slot {
  width: 48px; height: 48px; background: rgba(0,0,0,0.4);
  border: 1px solid #4a3a2a; border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 11px; color: var(--panel-text);
  text-align: center; position: relative;
  transition: background 0.15s;
}
.inv-slot:hover { background: rgba(80,60,30,0.5); }
.inv-slot .item-count {
  position: absolute; bottom: 1px; right: 2px;
  font-size: 9px; color: #ff0;
  text-shadow: 1px 1px 1px #000;
}

/* Stats */
#stats-list { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.stat-entry {
  background: rgba(0,0,0,0.3); border: 1px solid #3a2a1a;
  padding: 3px 5px; border-radius: 2px; cursor: pointer;
  font-size: 11px; color: var(--panel-text);
}
.stat-entry .stat-name { font-weight: bold; color: var(--panel-gold); }
.stat-entry .stat-level { float: right; color: #fff; }
.stat-entry .stat-xp { font-size: 9px; color: #aaa; display: block; }

/* Equipment */
#equipment-slots {
  display: grid; gap: 2px; padding: 8px;
  grid-template-areas:
    ". head ."
    "cape neck ."
    "weapon body shield"
    ". legs ."
    "hands feet ring";
  grid-template-columns: 1fr 1fr 1fr;
}
.equip-slot {
  width: 52px; height: 52px; background: rgba(0,0,0,0.4);
  border: 1px solid #4a3a2a; border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 10px; color: #666;
  margin: 0 auto;
}
.equip-slot.equipped { color: var(--panel-text); border-color: var(--panel-gold); }
#equip-stats { padding: 4px; font-size: 11px; color: var(--panel-text); }
.panel-info { color: #888; text-align: center; padding: 20px 10px; font-style: italic; }

/* Chat box */
#chat-box {
  position: absolute; bottom: 4px; left: 4px; width: 500px; height: 140px;
  background: rgba(26,18,8,0.9); border: 2px solid var(--panel-border);
  border-radius: 4px; z-index: 10; display: flex; flex-direction: column;
  box-shadow: 0 0 15px rgba(0,0,0,0.7);
}
#chat-tabs {
  display: flex; background: var(--panel-dark);
  border-bottom: 1px solid var(--panel-border);
}
.chat-tab {
  padding: 3px 12px; cursor: pointer; font-size: 11px;
  color: var(--panel-text); border-right: 1px solid var(--panel-border);
}
.chat-tab.active { background: var(--panel-highlight); color: var(--panel-gold); }
#chat-messages {
  flex: 1; overflow-y: auto; padding: 4px 8px; font-size: 12px;
  color: var(--panel-text); line-height: 1.4;
}
#chat-messages::-webkit-scrollbar { width: 6px; }
#chat-messages::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 3px; }
.chat-msg-game { color: #4a9; }
.chat-msg-system { color: #c84; }
.chat-msg-combat { color: #c44; }
.chat-msg-skill { color: #4ac; }
.chat-msg-drop { color: #a4c; }
#chat-input {
  width: 100%; padding: 4px 8px; background: rgba(0,0,0,0.5);
  border: none; border-top: 1px solid var(--panel-border);
  color: var(--panel-text); font-size: 12px; outline: none;
}

/* Context menu */
#context-menu {
  position: absolute; z-index: 100; min-width: 150px;
  background: rgba(26,18,8,0.95); border: 2px solid var(--panel-gold);
  border-radius: 4px; padding: 2px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.8);
}
#context-menu.hidden { display: none; }
.ctx-item {
  padding: 4px 12px; color: var(--panel-text); cursor: pointer;
  font-size: 12px; border-bottom: 1px solid rgba(90,74,58,0.3);
}
.ctx-item:hover { background: var(--panel-highlight); }
.ctx-item:last-child { border-bottom: none; }
.ctx-title { color: var(--panel-gold); font-weight: bold; }
.ctx-action { color: #fff; }
.ctx-action span { color: var(--panel-gold); }

/* Dialogue */
#dialogue-box {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 400px; background: rgba(26,18,8,0.95);
  border: 3px solid var(--panel-gold); border-radius: 8px;
  padding: 16px; z-index: 50;
  box-shadow: 0 0 30px rgba(0,0,0,0.9);
}
#dialogue-box.hidden { display: none; }
#dialogue-npc-name {
  color: var(--panel-gold); font-size: 16px; font-weight: bold;
  margin-bottom: 8px; text-align: center;
}
#dialogue-text { color: var(--panel-text); font-size: 13px; margin-bottom: 12px; line-height: 1.5; }
#dialogue-options { display: flex; flex-direction: column; gap: 4px; }
.dialogue-option {
  padding: 6px 12px; background: var(--panel-highlight);
  border: 1px solid var(--panel-border); border-radius: 4px;
  color: var(--panel-text); cursor: pointer; font-size: 12px;
  transition: background 0.15s;
}
.dialogue-option:hover { background: rgba(100,80,50,0.6); color: #fff; }

/* Shop / Bank */
#shop-window, #bank-window {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 420px; max-height: 400px; background: rgba(26,18,8,0.95);
  border: 3px solid var(--panel-gold); border-radius: 8px;
  z-index: 50; box-shadow: 0 0 30px rgba(0,0,0,0.9);
}
#shop-window.hidden, #bank-window.hidden { display: none; }
.shop-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-bottom: 2px solid var(--panel-border);
  color: var(--panel-gold); font-weight: bold;
}
.shop-header button {
  background: none; border: 1px solid var(--panel-border); color: var(--panel-text);
  cursor: pointer; padding: 2px 8px; border-radius: 3px;
}
#shop-items, #bank-items {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px;
  padding: 8px; max-height: 330px; overflow-y: auto;
}
.shop-item, .bank-item {
  width: 70px; height: 60px; background: rgba(0,0,0,0.4);
  border: 1px solid #4a3a2a; border-radius: 3px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; font-size: 10px; color: var(--panel-text); text-align: center;
}
.shop-item:hover, .bank-item:hover { background: rgba(80,60,30,0.5); border-color: var(--panel-gold); }
.shop-item .price { color: #fc0; font-size: 9px; }

/* Loading */
#loading-screen {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: #0a0604; z-index: 200;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.loading-title {
  font-size: 48px; color: var(--panel-gold); font-weight: bold;
  text-shadow: 0 0 20px rgba(200,168,78,0.5), 2px 2px 4px rgba(0,0,0,0.8);
  margin-bottom: 30px; letter-spacing: 3px;
}
.loading-bar-container {
  width: 300px; height: 20px; background: #1a1208;
  border: 2px solid var(--panel-gold); border-radius: 10px; overflow: hidden;
}
.loading-bar {
  width: 0%; height: 100%;
  background: linear-gradient(90deg, #8a6a2e, #c8a84e, #8a6a2e);
  transition: width 0.3s;
}
.loading-text { color: var(--panel-text); margin-top: 10px; font-size: 14px; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.3); }
::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 4px; }

/* Mobile */
@media (max-width: 768px) {
  #chat-box { width: calc(100% - 8px); height: 100px; }
  #right-panel { width: 180px; }
  .inv-slot { width: 40px; height: 40px; }
  #minimap-container { width: 120px; height: 120px; }
  #minimapCanvas { width: 120px; height: 120px; }
}