/* =================================================
   Root Theme Variables (Modern Light Default)
   ================================================= */
:root {
    --page-bg: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
    --text-color: #243b53;
    
    --card-bg: rgba(255, 255, 255, 0.92);
    --panel-bg: rgba(255, 255, 255, 0.96);
    
    --accent: #1992d4;
    --accent-secondary: #f0b429;
    
    --border-color: rgba(25, 146, 212, 0.3);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --btn-gradient: linear-gradient(135deg, #1992d4 0%, #0f79b0 100%);
    --btn-hover-gradient: linear-gradient(135deg, #0f79b0 0%, #1992d4 100%);
    
    --success-color: #2a9d8f;
    --warning-color: #e9c46a;
    --danger-color: #e76f51;
}

/* =================================================
   Dark Mode (Enhanced)
   ================================================= */
[data-theme="dark"] {
    --page-bg: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
    --text-color: #e6f1ff;
    
    --card-bg: rgba(30, 41, 59, 0.9);
    --panel-bg: rgba(30, 41, 59, 0.95);
    
    --accent: #64ffda;
    --accent-secondary: #ffd166;
    
    --border-color: rgba(100, 255, 218, 0.3);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    --btn-gradient: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
    --btn-hover-gradient: linear-gradient(135deg, #172a45 0%, #0a192f 100%);
    
    --success-color: #64ffda;
    --warning-color: #ffd166;
    --danger-color: #ff6b6b;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: monospace;
    background: var(--page-bg);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* =================================================
   Fixed Theme Toggle Button
   ================================================= */
.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border: none;
    background: none;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 0;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle .icon {
    position: absolute;
    transition: transform 0.5s ease, opacity 0.5s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Light mode: show sun, hide moon */
[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 1;
    transform: scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 0;
    transform: scale(0.5);
}

/* Dark mode: show moon, hide sun */
[data-theme="dark"] .theme-toggle .icon-sun {
    opacity: 0;
    transform: scale(0.5);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    opacity: 1;
    transform: scale(1);
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

h1 i {
    margin-right: 15px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: 20px;
}

.stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.stat-item {
    background-color: var(--card-bg);
    padding: 12px 24px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    min-width: 150px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-label {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.9rem;
    margin-right: 8px;
}

#status {
    color: var(--accent);
    font-weight: bold;
}

#status[data-status="weakening"] {
    color: var(--warning-color);
}

#status[data-status="starving"] {
    color: var(--danger-color);
}

/* Main Game Container */
.game-container {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    flex-grow: 1;
    backdrop-filter: blur(10px);
}

.scene-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    color: var(--accent-secondary);
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--accent-secondary);
}

.scene-image-container {
    position: relative;
    width: 100%;
    height: 350px;
    margin-bottom: 25px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

#scene-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.scene-image-container:hover #scene-image {
    transform: scale(1.03);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 92%, rgba(0, 0, 0, 0.2) 100%);
}

.scene-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 30px;
    padding: 20px;
    background-color: rgba(25, 146, 212, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

/* Choices Container */
.choices-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    justify-content: center;
}

.choice-btn {
    flex: 1;
    min-width: 280px;
    padding: 20px;
    background: var(--btn-gradient);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: white;
    font-family: 'Roboto Mono', monospace;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.choice-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    background: var(--btn-hover-gradient);
    border-color: var(--accent);
}

.choice-btn:active {
    transform: translateY(-1px);
}

.choice-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.choice-btn:disabled:hover {
    background: var(--btn-gradient);
    transform: none;
    box-shadow: var(--shadow);
}

.choice-icon {
    font-size: 1.8rem;
    margin-right: 15px;
    width: 40px;
    text-align: center;
}

.choice-text {
    flex-grow: 1;
}

/* Game Controls */
.game-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.control-btn {
    padding: 12px 25px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.control-btn:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-2px);
}

/* Endings Panel */
.endings-panel {
    background-color: var(--panel-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--accent-secondary);
    margin-top: 20px;
    display: none;
    backdrop-filter: blur(10px);
}

.endings-panel h3 {
    font-family: sans-serif;
    color: var(--accent-secondary);
    margin-bottom: 20px;
    text-align: center;
}

.endings-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.ending-item {
    background-color: rgba(25, 146, 212, 0.1);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-secondary);
    transition: transform 0.2s ease;
}

.ending-item:hover {
    transform: translateY(-2px);
}

.ending-item.discovered {
    background-color: rgba(42, 157, 143, 0.2);
    border-left: 4px solid var(--success-color);
}

.ending-title {
    font-weight: bold;
    color: var(--accent-secondary);
    margin-bottom: 5px;
}

.ending-item.discovered .ending-title {
    color: var(--success-color);
}

.ending-desc {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

.no-endings {
    text-align: center;
    color: var(--text-color);
    opacity: 0.6;
    font-style: italic;
    grid-column: 1 / -1;
    padding: 20px;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9rem;
}

.hint {
    font-style: italic;
    margin-top: 10px;
    color: var(--accent-secondary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--panel-bg);
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    border: 2px solid var(--accent);
    box-shadow: var(--shadow);
}

.modal-content h3 {
    color: var(--accent-secondary);
    margin-bottom: 20px;
    font-family: 'Orbitron', sans-serif;
}

.modal-content p {
    margin-bottom: 15px;
    color: var(--text-color);
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--success-color);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    z-index: 1001;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    font-family: 'Roboto Mono', monospace;
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s;
    border-left: 4px solid white;
    max-width: 80%;
    text-align: center;
}

@keyframes slideIn {
    from { transform: translateX(-50%) translateY(-20px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Day Counter Warning */
.day-warning {
    color: var(--warning-color) !important;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .scene-image-container {
        height: 250px;
    }
    
    .choices-container {
        flex-direction: column;
    }
    
    .choice-btn {
        min-width: 100%;
    }
    
    .game-controls {
        flex-wrap: wrap;
    }
    
    .stats {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .stat-item {
        min-width: 200px;
    }
    
    .theme-toggle {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .scene-title {
        font-size: 1.5rem;
    }
    
    .scene-description {
        font-size: 1rem;
        padding: 15px;
    }
    
    .choice-btn {
        padding: 15px;
        font-size: 1rem;
    }
    
    .choice-icon {
        font-size: 1.5rem;
        margin-right: 10px;
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
    
    .theme-toggle svg {
        width: 20px;
        height: 20px;
    }
}