:root {
    --bg-color: #0d0d12;
    --panel-bg: rgba(20, 20, 30, 0.7);
    --accent-color: #6366f1;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --herbivore-color: #34d399;
    --carnivore-color: #fb7185;
    --plant-color: #4ade80;
    --font-outfit: 'Outfit', sans-serif;
    --log-birth: #34d399;
    --log-death: #f43f5e;
    --log-extinction: #fbbf24;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-outfit); }
body { background-color: var(--bg-color); color: var(--text-primary); width: 100vw; height: 100vh; overflow: hidden; user-select: none; }
canvas { display: block; width: 100%; height: 100%; }

/* UI Panel (Left) */
#uiPanel {
    position: absolute; top: 20px; left: 20px; padding: 24px;
    background: var(--panel-bg); backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border); border-radius: 20px;
    min-width: 280px; box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    pointer-events: auto; z-index: 50;
}
#title { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; background: linear-gradient(135deg, #fff, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
#timeInfo, #worldStats { display: flex; gap: 12px; font-size: 0.9rem; color: var(--text-secondary); margin-top: 4px; }
.entity-counts { display: flex; flex-direction: column; gap: 10px; padding-top: 18px; margin-top: 18px; border-top: 1px solid var(--glass-border); }
.stat { font-weight: 600; font-size: 1.1rem; display: flex; justify-content: space-between; }
#herbivoreCount { color: var(--herbivore-color); }
#carnivoreCount { color: var(--carnivore-color); }
#plantCount { color: var(--plant-color); }
.controls-hint { margin-top: 20px; font-size: 0.75rem; color: var(--text-secondary); opacity: 0.7; line-height: 1.5; }

/* Log Panel (Right) */
#logPanel {
    position: absolute; top: 20px; right: 20px; width: 300px; max-height: 60vh;
    background: var(--panel-bg); backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border); border-radius: 20px;
    display: flex; flex-direction: column; overflow: hidden;
    box-shadow: -10px 15px 40px rgba(0, 0, 0, 0.6); z-index: 50;
}
.log-header { padding: 16px; font-weight: 700; font-size: 1rem; border-bottom: 1px solid var(--glass-border); background: rgba(255,255,255,0.05); }
#eventLog { padding: 12px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; font-size: 0.85rem; scroll-behavior: smooth; }
.log-entry { padding: 6px 10px; border-radius: 8px; background: rgba(255,255,255,0.03); line-height: 1.4; border-left: 3px solid transparent; }
.log-birth { border-left-color: var(--log-birth); color: #e2e8f0; }
.log-death { border-left-color: var(--log-death); color: #e2e8f0; }
.log-extinction { border-left-color: var(--log-extinction); background: rgba(251, 191, 36, 0.1); color: #fbbf24; font-weight: 600; }

/* Tooltip */
#entityTooltip { position: fixed; pointer-events: none; background: rgba(10, 10, 15, 0.96); backdrop-filter: blur(12px); border: 1px solid var(--accent-color); border-radius: 12px; padding: 12px; min-width: 240px; z-index: 200; box-shadow: 0 10px 30px rgba(0,0,0,0.8); transition: opacity 0.2s; }
.tooltip-name { font-weight: 700; font-size: 0.9rem; margin-bottom: 0px; color: #fff; }
.tooltip-sci { font-size: 0.7rem; color: var(--accent-color); font-style: italic; margin-bottom: 8px; border-bottom: 1px solid var(--glass-border); padding-bottom: 4px; }
.tooltip-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; font-size: 0.7rem; }
.tooltip-stat { display: flex; flex-direction: row; justify-content: space-between; gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.03); padding-bottom: 2px; }
.tooltip-stat label { font-size: 0.65rem; color: var(--text-secondary); text-transform: none; letter-spacing: 0; }
.tooltip-stat span { color: var(--text-primary); font-weight: 500; font-size: 0.7rem; }
.tooltip-section { grid-column: 1 / -1; margin-top: 6px; padding-top: 4px; border-top: 1px solid var(--glass-border); font-size: 0.65rem; color: var(--accent-color); font-weight: 700; opacity: 0.8; }

/* Bio-Neural Visualization */
.neuron-grid { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.neuron-row { display: flex; align-items: center; gap: 10px; }
.neuron-action-label { width: 45px; font-size: 0.6rem; color: var(--text-secondary); font-weight: 700; }
.neuron-inputs { display: flex; gap: 8px; }
.neuron-hollow { width: 14px; height: 14px; border: 1px solid rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; position: relative; }
.neuron-pulse { border-radius: 50%; width: 0%; height: 0%; transition: width 0.3s, height 0.3s; }
.neuron-pulse.pos { background: radial-gradient(circle, #34d399, #10b981); box-shadow: 0 0 8px #34d399; }
.neuron-pulse.neg { background: radial-gradient(circle, #f43f5e, #e11d48); box-shadow: 0 0 8px #f43f5e; }

@keyframes vibrate {
    0% { transform: translate(0,0) scale(1); }
    25% { transform: translate(-1px, 1px) scale(1.05); }
    50% { transform: translate(1px, -1px) scale(0.95); }
    75% { transform: translate(-1px, -1px) scale(1.05); }
    100% { transform: translate(0,0) scale(1); }
}
.vibrate-active { animation: vibrate 0.1s infinite linear; }
.w-active-row { background: rgba(99, 102, 241, 0.15); border-radius: 4px; padding: 2px 0; }

/* Chat */
#chatOverlay { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); width: 450px; max-width: 90vw; background: var(--panel-bg); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); border-radius: 16px; padding: 16px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); z-index: 100; }
#chatHistory { max-height: 150px; overflow-y: auto; font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; }
#chatInput { width: 100%; background: rgba(0, 0, 0, 0.4); border: 1px solid var(--glass-border); border-radius: 8px; padding: 10px 14px; color: var(--text-primary); outline: none; }
#chatInput:focus { border-color: var(--accent-color); }

.hidden { display: none !important; }
#effectOverlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: white; opacity: 0; pointer-events: none; z-index: 1000; }
@keyframes flash { 0% { opacity: 1; } 100% { opacity: 0; } }
.flash-active { animation: flash 2s cubic-bezier(0.1, 0, 0.2, 1) forwards; }

/* Summon Modal */
#summonModal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
}
.modal-content {
    background: rgba(20, 20, 30, 0.95); border: 1px solid var(--accent-color);
    border-radius: 20px; padding: 16px 20px; width: 480px; max-width: 95vw;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}
.modal-content h2 { font-size: 1rem; margin-bottom: 12px; font-weight: 700; color: #fff; text-align: center; }
.input-group { margin-bottom: 8px; display: flex; flex-direction: column; gap: 2px; }
.input-group label { font-size: 0.6rem; color: var(--text-secondary); font-weight: 600; }
.input-group input[type="text"], 
.input-group input[type="number"],
.input-group select {
    background: rgba(0, 0, 0, 0.4); border: 1px solid var(--glass-border);
    border-radius: 4px; padding: 4px 8px; color: #fff; outline: none; font-size: 0.75rem;
}
.input-group select {
    cursor: pointer; appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='white' d='M0 3l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 8px center;
}
.input-group select option { background: #1e1e2e; color: #fff; padding: 8px; }
.stats-grid.compact { grid-template-columns: 1fr 1fr 1fr 1fr; gap: 8px 12px; margin-top: 8px; }
.stats-grid.compact .input-group { margin-bottom: 0; }

.color-picker-container { margin-top: 12px; display: flex; align-items: center; justify-content: center; gap: 16px; }
.color-picker-container label { font-size: 0.7rem; color: var(--text-secondary); margin-bottom: 0; }
.picker-wrapper { position: relative; width: 40px; height: 40px; border-radius: 50%; overflow: hidden; border: 2px solid var(--glass-border); cursor: pointer; transition: transform 0.2s; }
.picker-wrapper:hover { transform: scale(1.1); border-color: var(--accent-color); }
.picker-wrapper input[type="color"] {
    position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    border: none; padding: 0; cursor: pointer; background: none;
}
#colorPreview { position: absolute; inset: 0; pointer-events: none; border-radius: 50%; box-shadow: inset 0 0 10px rgba(0,0,0,0.5); }

.modal-actions { display: flex; gap: 8px; margin-top: 20px; }
.modal-actions button {
    flex: 1; padding: 8px; border-radius: 8px; border: none;
    font-weight: 700; cursor: pointer; transition: all 0.2s; font-size: 0.8rem;
}
#cancelSummon { background: rgba(255, 255, 255, 0.1); color: #fff; }
#cancelSummon:hover { background: rgba(255, 255, 255, 0.2); }
#confirmSummon.primary { background: var(--accent-color); color: #fff; }
#confirmSummon.primary:hover { filter: brightness(1.2); transform: translateY(-2px); }