@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&display=swap');

:root {
    --bg-color: #000000;
    --panel-color: rgba(0, 0, 0, 0.85);
    --neon-green: #00ff00;
    --neon-red: #ff0033;
    --neon-blue: #00ccff;
    --neon-green-dim: rgba(0, 255, 0, 0.3);
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0; width: 100vw; height: 100vh;
    background-color: var(--bg-color); color: var(--neon-green);
    font-family: 'Fira Code', monospace; overflow: hidden;
}

/* --- LOGIN --- */
#login-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.95); z-index: 9999; display: flex; justify-content: center; align-items: center; backdrop-filter: blur(5px); }
.login-box { text-align: center; border: 1px solid var(--neon-green); padding: 40px; background: #000; width: 90%; max-width: 400px; box-shadow: 0 0 30px var(--neon-green-dim); }
.login-box h1 { margin: 0 0 20px; font-size: 1.2rem; color: var(--neon-green); border-bottom: 1px solid var(--neon-green); padding-bottom: 10px; }
.login-box input { background: #111; border: 1px solid var(--neon-green); color: #fff; padding: 12px; font-family: 'Fira Code'; margin-top: 10px; width: 100%; text-align: center; font-size: 1rem; outline: none; }
.login-box button { margin-top: 20px; width: 100%; padding: 12px; background: var(--neon-green); color: #000; border: none; font-weight: bold; cursor: pointer; font-family: 'Fira Code'; text-transform: uppercase; transition: all 0.2s; }
.login-box button:hover { box-shadow: 0 0 20px var(--neon-green); transform: scale(1.02); }

/* --- HUD IZQUIERDO --- */
#ui-container { position: fixed; top: 15px; left: 15px; z-index: 100; background: var(--panel-color); padding: 12px 15px; border: 1px solid var(--neon-green); border-radius: 2px; pointer-events: none; box-shadow: 0 0 15px rgba(0,255,0,0.1); min-width: 220px; }
#ui-container * { pointer-events: auto; }
h1 { margin: 0 0 10px; font-size: 0.9rem; font-weight: 700; letter-spacing: 2px; border-bottom: 1px solid var(--neon-green-dim); padding-bottom: 5px; }

.control-group { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; gap: 15px; }
label { font-size: 0.75rem; color: #bbb; }
input[type="color"] { background: #000; border: 1px solid var(--neon-green); width: 35px; height: 25px; padding: 0; cursor: pointer; }
.system-stats { margin-top: 8px; font-size: 0.65rem; color: var(--neon-green); display: flex; align-items: center; gap: 8px; }
.divider { color: var(--neon-green-dim); }

/* --- NUEVO: BOTONES SOCIALES --- */
.share-row {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px dashed var(--neon-green-dim);
    display: flex;
    justify-content: space-between;
}

.retro-btn {
    background: none;
    border: none;
    color: var(--neon-green-dim);
    font-family: 'Fira Code', monospace;
    font-size: 0.65rem;
    cursor: pointer;
    padding: 2px;
    transition: all 0.2s;
}

.retro-btn:hover {
    color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green);
}

/* --- INSPECTOR DERECHO --- */
#inspector-panel { position: fixed; top: 15px; right: 15px; z-index: 100; background: var(--panel-color); padding: 12px; border: 1px solid var(--neon-blue); box-shadow: 0 0 15px rgba(0, 204, 255, 0.1); width: 200px; font-size: 0.7rem; pointer-events: none; }
#inspector-panel h3 { margin: 0 0 8px; color: var(--neon-blue); border-bottom: 1px dashed var(--neon-blue); padding-bottom: 4px; font-size: 0.8rem; }
.data-row { margin-bottom: 4px; color: #aaa; display: flex; justify-content: space-between; }
.data-row span { color: #fff; font-weight: bold; }

/* --- CHAT FANTASMA --- */
#chat-container { position: fixed; bottom: 20px; left: 20px; width: 320px; max-height: 250px; z-index: 100; display: flex; flex-direction: column; opacity: 0.3; pointer-events: none; transition: all 0.3s ease; }
#chat-container:hover, #chat-container:focus-within { opacity: 1; pointer-events: auto; transform: translateY(-5px); }
#chat-messages { flex-grow: 1; overflow-y: auto; background: rgba(0,0,0,0.85); border: 1px solid var(--neon-green-dim); padding: 10px; margin-bottom: 5px; scrollbar-width: none; font-size: 0.75rem; }
#chat-container:hover #chat-messages { scrollbar-width: thin; scrollbar-color: var(--neon-green) #000; }
.msg { margin-bottom: 4px; word-wrap: break-word; line-height: 1.4; text-shadow: 1px 1px 2px #000; }
.msg.system { color: #999; font-style: italic; margin-bottom: 8px; padding-bottom: 4px; border-bottom: 1px dashed #333; }
.msg b { color: var(--neon-green); }
#chat-form { display: flex; pointer-events: auto; }
#chatInput { flex-grow: 1; background: rgba(0,0,0,0.95); border: 1px solid var(--neon-green); color: #fff; padding: 8px 10px; font-family: 'Fira Code'; font-size: 0.8rem; outline: none; }
#chatInput:focus { border-color: #fff; box-shadow: 0 0 10px rgba(255,255,255,0.2); }

/* --- CANVAS --- */
#grid-wrapper { width: 100vw; height: 100vh; background: #000; display: block; }
canvas { display: block; width: 100%; height: 100%; image-rendering: pixelated; cursor: crosshair; position: absolute; top: 0; left: 0; }
#gridCanvas { z-index: 1; }
#cursorCanvas { z-index: 2; pointer-events: none; }

/* --- UTILS & ANIMATION --- */
.blink { animation: blink 1s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ADMIN MODE */
.admin-mode, .admin-mode #inspector-panel { border-color: var(--neon-red) !important; box-shadow: 0 0 20px rgba(255,0,0,0.3) !important; }
.admin-mode h1, .admin-mode h3 { color: var(--neon-red) !important; border-color: var(--neon-red) !important; }
.admin-mode .online { color: var(--neon-red) !important; animation: none !important; font-weight: bold; }
.admin-msg b { color: var(--neon-red) !important; text-shadow: 0 0 5px red; }

.energy-container {
    width: 100%;
    height: 4px;
    background: #111;
    margin: 10px 0;
    border: 1px solid var(--neon-green-dim);
    position: relative;
    overflow: hidden;
}

#energy-bar {
    width: 100%;
    height: 100%;
    background: var(--neon-green);
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--neon-green);
}

/* Cuando está en enfriamiento la barra puede cambiar de color */
.cooldown #energy-bar {
    background: #444;
    box-shadow: none;
}