:root {
    --bg-color: #0a0a0a;
    --text-color: #0f0;
    --accent-color: #ff0;
    --panel-bg: rgba(0, 0, 0, 0.9);
    --choice-bg: #000;
    --choice-hover: #0f0;
    --visited-color: #0f0;
    --locked-color: #666;
    --good-ending: #2e7d32;
    --bad-ending: #c62828;
    --neutral-ending: #fbc02d;
    --error-color: #ff4444;
    --success-color: #44ff44;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Courier New', monospace;
    background: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
h1 {
    text-align: center;
    font-size: 2.5em;
    margin: 40px 0 20px;
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
    letter-spacing: 2px;
    word-wrap: break-word;
    padding: 80px 20px 20px;
    position: relative;
    z-index: 1;
    background: rgba(10, 10, 10, 0.9);
    border-radius: 10px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}
#game {
    background: var(--panel-bg);
    padding: 30px;
    border: 2px solid var(--text-color);
    border-radius: 8px;
    min-height: 350px;
    margin-bottom: 20px;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.1);
}
button {
    background: var(--choice-bg);
    color: var(--text-color);
    border: 1px solid var(--text-color);
    padding: 12px 20px;
    margin: 8px 5px;
    cursor: pointer;
    font-family: inherit;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 1em;
    min-height: 44px;
    touch-action: manipulation;
    -webkit-appearance: none;
    appearance: none;
}
button:hover {
    background: var(--choice-hover);
    color: var(--bg-color);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.3);
}
button:active {
    transform: scale(0.95);
}
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}
h2 {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
    margin-bottom: 15px;
}
.ending {
    animation: pulse 1.5s infinite;
    font-weight: bold;
    font-size: 1.2em;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}
#inventory-display {
    background: rgba(0,0,0,0.85);
    padding: 10px;
    border: 1px dashed var(--text-color);
    border-radius: 6px;
    font-size: 0.95em;
    margin-bottom: 20px;
    text-align: center;
    word-wrap: break-word;
    line-height: 1.4;
}
#main-menu {
    text-align: center;
    padding: 40px 20px;
}
.menu-button {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 15px auto;
    padding: 15px 30px;
    font-size: 1.1em;
    background: linear-gradient(45deg, #000, #0a0a0a);
    border: 2px solid var(--text-color);
    color: var(--text-color);
    transition: all 0.3s ease;
}
.menu-button:hover {
    background: linear-gradient(45deg, #0f0, #0a0);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 0, 0.3);
}
.menu-section {
    margin: 30px 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    border: 1px solid var(--text-color);
}
.menu-section h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    text-shadow: 0 0 5px var(--accent-color);
}
@media (max-width: 768px) {
    body {
        padding: 10px;
        font-size: 0.95em;
    }
    h1 {
        font-size: 2em;
        margin: 20px 0 15px;
        padding: 70px 15px 15px;
    }
    #game {
        padding: 20px;
        margin-bottom: 15px;
    }
    button {
        padding: 10px 15px;
        margin: 6px 3px;
        font-size: 0.95em;
        min-height: 48px;
    }
    .menu-button {
        padding: 12px 20px;
        font-size: 1em;
    }
}
@media (max-width: 480px) {
    body {
        padding: 8px;
        font-size: 0.9em;
    }
    h1 {
        font-size: 1.6em;
        margin: 15px 0 10px;
        padding: 60px 10px 10px;
    }
    #game {
        padding: 15px;
        margin-bottom: 12px;
    }
    button {
        padding: 8px 12px;
        margin: 4px 2px;
        font-size: 0.9em;
        min-height: 48px;
    }
    .menu-button {
        padding: 10px 15px;
        font-size: 0.95em;
    }
}
@supports (-webkit-touch-callout: none) {
    button {
        -webkit-tap-highlight-color: transparent;
    }
    body {
        -webkit-text-size-adjust: 100%;
    }
}
.hidden {
    display: none !important;
}
.fade-in {
    animation: fadeIn 0.5s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}
.ending {
    color: #ffd700;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}
.choice:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,255,0,0.3);
}
.menu-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,255,0,0.3);
}