* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #e0e0e0;
    min-height: 100vh;
    padding: 15px;
}

.container {
    max-width: 950px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: #ffd700;
    font-size: 24px;
    margin-bottom: 4px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.subtitle {
    text-align: center;
    color: #888;
    font-size: 12px;
    margin-bottom: 15px;
}

/* Controls */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-end;
    justify-content: center;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.control-group label {
    font-size: 10px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control-group input {
    width: 55px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 14px;
    text-align: center;
}

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.15);
}

.btn-green { background: #27ae60; color: #fff; }
.btn-blue { background: #2980b9; color: #fff; }
.btn-red { background: #c0392b; color: #fff; }

/* Main Layout */
.main-content {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.grid-container {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.grid {
    display: grid;
    gap: 4px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 8px;
}

.grid-status {
    text-align: center;
    margin-top: 10px;
    color: #888;
    font-size: 12px;
}

/* Cells */
.cell {
    aspect-ratio: 1;
    min-width: 45px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    position: relative;
    user-select: none;
}

.cell:hover {
    border-color: #ffd700;
    transform: scale(1.06);
    z-index: 2;
}

.cell.agent {
    background: #f39c12;
    border-color: #ffd700;
    animation: pulse 1.5s infinite;
}

.cell.visited { background: #2980b9; }
.cell.safe { background: #27ae60; }
.cell.unknown { background: #555; }
.cell.pit-revealed { background: #e74c3c; }
.cell.wumpus-revealed { background: #8e44ad; }

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 5px #f39c12; }
    50% { box-shadow: 0 0 20px #f39c12; }
}

.cell .breeze-tag {
    position: absolute;
    top: 2px;
    left: 4px;
    font-size: 9px;
    color: #00ffff;
    font-weight: bold;
}

.cell .stench-tag {
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 9px;
    color: #ff6b6b;
    font-weight: bold;
}

/* Side Panel */
.side-panel {
    width: 250px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.panel {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.panel h3 {
    color: #ffd700;
    font-size: 13px;
    margin-bottom: 10px;
}

.metric {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 11px;
}

.metric span:first-child { color: #aaa; }
.metric span:last-child { color: #fff; font-weight: bold; }

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 0;
    font-size: 11px;
}

.box {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    flex-shrink: 0;
}

.box.agent { background: #f39c12; border: 2px solid #ffd700; }
.box.safe { background: #27ae60; }
.box.visited { background: #2980b9; }
.box.unknown { background: #555; }
.box.pit { background: #e74c3c; }
.box.wumpus { background: #8e44ad; }

.kb-display {
    background: rgba(0, 0, 0, 0.3);
    padding: 8px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    max-height: 180px;
    overflow-y: auto;
    line-height: 1.5;
    color: #a0ffa0;
}

/* Log */
.log-panel {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.log-panel h3 {
    color: #ffd700;
    font-size: 13px;
    margin-bottom: 8px;
}

.message-log {
    max-height: 140px;
    overflow-y: auto;
    font-size: 11px;
    line-height: 1.5;
    font-family: 'Courier New', monospace;
}

.log-entry {
    padding: 2px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.log-entry.success { color: #2ecc71; }
.log-entry.warning { color: #f39c12; }
.log-entry.info { color: #3498db; }
.log-entry.danger { color: #e74c3c; }
.log-entry.kb { color: #a0ffa0; }

@media (max-width: 750px) {
    .main-content { flex-direction: column; }
    .side-panel { width: 100%; flex-direction: row; flex-wrap: wrap; }
    .side-panel .panel { flex: 1; min-width: 200px; }
}