body { margin: 0; overflow: hidden; font-family: 'Segoe UI', sans-serif; background: #87CEEB; }

#crosshair {
    position: absolute; top: 50%; left: 50%; width: 20px; height: 20px;
    background: transparent; border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%; transform: translate(-50%, -50%); pointer-events: none; z-index: 10;
    display: none; 
}
#crosshair::after {
    content: ''; position: absolute; top: 50%; left: 50%; width: 4px; height: 4px;
    background: white; transform: translate(-50%, -50%); border-radius: 50%;
}

#ui {
    position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; background: rgba(0,0,0,0.5); padding: 10px; border-radius: 8px; pointer-events: none;
    display: none; 
    width: auto; justify-content: center;
}
.slot {
    width: 40px; height: 40px; border: 2px solid #555; background: rgba(0,0,0,0.3);
    display: flex; justify-content: center; align-items: center; 
    position: relative;
    flex-shrink: 0;
    cursor: pointer;
    pointer-events: auto;
}
.slot:hover { border-color: #aaa; }
.slot.active { border-color: #fff; background: rgba(255,255,255,0.2); transform: scale(1.1); }
.slot .count { 
    position: absolute; bottom: 2px; right: 2px; 
    font-size: 10px; color: #fff; text-shadow: 1px 1px 0 #000; font-weight: bold; 
}

/* Durability Bar Styles */
.durability-bar-container {
    position: absolute;
    bottom: 4px;
    left: 4px;
    right: 4px;
    height: 3px;
    background: rgba(0,0,0,0.5);
    pointer-events: none;
}
.durability-bar-fill {
    height: 100%;
    transition: width 0.1s;
}

#instructions {
    position: absolute; top: 10px; left: 10px; color: white;
    background: rgba(0,0,0,0.5); padding: 10px; border-radius: 5px;
    pointer-events: none; user-select: none;
    display: none;
}
#save-status {
    position: absolute; top: 10px; right: 10px; color: #00FF00; font-weight: bold; display: none;
    background: rgba(0,0,0,0.5); padding: 5px 10px; border-radius: 4px;
}
#link-hover {
    position: absolute; top: 55%; left: 50%; transform: translate(-50%, -50%);
    color: #00FFFF; font-weight: bold; text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    display: none; pointer-events: none; background: rgba(0,0,0,0.6); padding: 5px 10px; border-radius: 4px;
}
#debug {
    position: absolute; top: 40px; right: 10px; color: #ffffff; font-size: 50px; 
    text-align: right; pointer-events: none; display: none;
}

/* --- Chat Styles --- */
#chat-container {
    position: absolute; bottom: 20px; left: 20px; width: 400px; height: 300px;
    display: flex; flex-direction: column; justify-content: flex-end;
    pointer-events: none; z-index: 200;
}
#chat-container.chat-open {
    background: rgba(0,0,0,0.5); pointer-events: auto;
}
#chat-history {
    overflow-y: auto; flex-grow: 1; display: flex; flex-direction: column; justify-content: flex-end;
    scrollbar-width: none; /* Firefox */
}
#chat-history::-webkit-scrollbar { display: none; }
.chat-message {
    color: white; text-shadow: 1px 1px 0 #000; font-size: 16px; margin: 2px 0; word-wrap: break-word;
    opacity: 1; transition: opacity 1s; padding: 2px 5px;
}
.msg-expired { opacity: 0; }
#chat-container.chat-open .msg-expired { opacity: 1; }
#chat-input {
    background: rgba(0,0,0,0.5); border: 1px solid #888; color: white; padding: 5px;
    width: 100%; box-sizing: border-box; font-family: inherit; font-size: 16px;
    display: none; pointer-events: auto;
}
#chat-container.chat-open #chat-input { display: block; }
#chat-history a { color: #00FFFF; text-decoration: underline; cursor: pointer; pointer-events: auto; }

.screen {
    display: flex; 
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 100;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}
.screen.hidden { display: none !important; }

h1 { margin-bottom: 20px; font-size: 4rem; text-shadow: 4px 4px #000; color: #fff; letter-spacing: 2px; }
h2 { border-bottom: 2px solid #555; padding-bottom: 10px; margin-bottom: 20px; width: 100%; text-align: center; }

.menu-box {
    background: rgba(50, 50, 50, 0.9);
    padding: 30px;
    border-radius: 12px;
    width: 400px;
    border: 1px solid #666;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    max-height: 80vh;
    overflow-y: auto;
}

button {
    display: block; width: 100%; padding: 12px; margin: 10px 0;
    background: #444; color: white; border: 2px solid #222; cursor: pointer;
    font-size: 1.1rem; border-radius: 0;
    transition: all 0.1s;
}
button:hover { background: #666; border-color: #888; }
button:active { transform: translateY(2px); }
button.primary { background: #2e7d32; border-color: #1b5e20; }
button.primary:hover { background: #388e3c; }
button.danger { background: #c62828; border-color: #b71c1c; }
button.danger:hover { background: #d32f2f; }
button.active { background: #0078d7; border-color: #00aaff; }

input[type="text"] {
    width: 100%; padding: 10px; margin-bottom: 15px;
    background: #222; border: 1px solid #555; color: white;
    font-size: 1rem;
    box-sizing: border-box;
}
label { display: block; margin-bottom: 5px; color: #aaa; font-size: 0.9rem; }

.world-item {
    background: #222; border: 1px solid #444; padding: 10px; margin-bottom: 8px;
    display: flex; justify-content: space-between; align-items: center;
    cursor: pointer;
}
.world-item:hover { background: #333; border-color: #666; }
.world-info b { display: block; font-size: 1.1rem; color: #fff; }
.world-info small { color: #888; }

/* --- Inventory / Crafting --- */
#inventory-screen, #crafting-table-screen, #furnace-screen, #chest-screen {
    background: rgba(0,0,0,0.7);
    z-index: 50; 
}

.inv-container {
    background: #c6c6c6;
    padding: 10px;
    border: 2px solid #555;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: auto; 
    min-width: 500px;
}

.inv-section {
    background: #8b8b8b;
    padding: 10px;
    border: 2px solid #373737;
    border-bottom-color: #fff;
    border-right-color: #fff;
}

.inv-label {
    color: #404040;
    font-weight: bold;
    margin-bottom: 5px;
}

.grid-crafting {
    display: grid;
    grid-template-columns: repeat(2, 40px);
    grid-gap: 4px;
}

.grid-crafting-3x3 {
    display: grid;
    grid-template-columns: repeat(3, 40px);
    grid-gap: 4px;
}

.grid-main, .grid-hotbar {
    display: grid;
    grid-template-columns: repeat(10, 40px);
    grid-gap: 4px;
}

.craft-area {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
}

.craft-arrow {
    font-size: 24px;
    color: #404040;
}

/* --- Furnace UI --- */
.furnace-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}
.furnace-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.furnace-arrow-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}
.fire-icon {
    width: 20px; height: 20px;
    background: #555;
    mask-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 23c-4.97 0-9-4.03-9-9 0-4.97 9-13 9-13s9 8.03 9 13c0 4.97-4.03 9-9 9z"/></svg>');
    -webkit-mask-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 23c-4.97 0-9-4.03-9-9 0-4.97 9-13 9-13s9 8.03 9 13c0 4.97-4.03 9-9 9z"/></svg>');
    mask-repeat: no-repeat;
    mask-position: center;
}

#cursor-item {
    position: fixed;
    pointer-events: none;
    z-index: 1000;
    width: 32px; height: 32px;
}
#cursor-item .count {
    position: absolute; bottom: 0; right: 0;
    color: #fff; text-shadow: 1px 1px 0 #000; font-weight: bold;
}