/* ====================
   ROOT VARIABLES
   ==================== */
:root {
    /* Color Palette */
    --color-primary: rgb(76, 175, 80);
    --color-primary-hover: rgb(102, 187, 106);
    --color-primary-dark: rgb(56, 142, 60);
    
    --color-danger: rgb(244, 67, 54);
    --color-danger-hover: rgb(229, 115, 115);
    
    --color-background-dark: rgba(18, 18, 18, 0.95);
    --color-background-panel: rgba(33, 33, 33, 0.98);
    --color-surface: rgba(48, 48, 48, 0.9);
    
    --color-text-primary: rgb(255, 255, 255);
    --color-text-secondary: rgb(189, 189, 189);
    --color-text-disabled: rgb(117, 117, 117);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

/* ====================
   MAIN CONTAINER
   ==================== */
.main-container {
    width: 100%;
    height: 100%;
    background-color: var(--color-background-dark);
    justify-content: center;
    align-items: center;
}

.background-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

/* ====================
   MENU CONTENT
   ==================== */
.menu-content {
    width: 500px;
    padding: var(--spacing-xxl);
    background-color: var(--color-background-panel);
    border-radius: var(--radius-lg);
    border-width: 2px;
    border-color: rgba(76, 175, 80, 0.3);
    align-items: center;
    justify-content: space-between;
    transition-duration: var(--transition-normal);
}

/* ====================
   TITLE SECTION
   ==================== */
.title-section {
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
}

.game-title {
    font-size: 64px;
    -unity-font-style: bold;
    color: var(--color-primary);
    letter-spacing: 4px;
    text-shadow: 0 4px 12px rgba(76, 175, 80, 0.6);
    margin-bottom: var(--spacing-sm);
    -unity-text-align: middle-center;
}

.subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
    letter-spacing: 2px;
    -unity-text-align: middle-center;
    opacity: 0.8;
}

/* ====================
   BUTTONS CONTAINER
   ==================== */
.buttons-container {
    width: 100%;
    align-items: stretch;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ====================
   MENU BUTTONS
   ==================== */
.menu-button {
    height: 50px;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    border-width: 2px;
    border-color: rgba(255, 255, 255, 0.1);
    
    color: var(--color-text-primary);
    font-size: 18px;
    -unity-font-style: bold;
    letter-spacing: 1px;
    
    transition-duration: var(--transition-fast);
    transition-property: background-color, border-color, scale;
}

.menu-button:hover {
    background-color: rgba(76, 175, 80, 0.2);
    border-color: var(--color-primary);
    scale: 1.02 1.02;
    translate: 0 -2px;
}

.menu-button:active {
    background-color: rgba(76, 175, 80, 0.3);
    scale: 0.98 0.98;
    translate: 0 0;
}

/* Primary Button Variant */
.primary-button {
    background-color: var(--color-primary);
    border-color: var(--color-primary-dark);
}

.primary-button:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary);
    scale: 1.05 1.05;
}

.primary-button:active {
    background-color: var(--color-primary-dark);
    scale: 0.98 0.98;
}

/* Danger Button Variant */
.danger-button {
    background-color: rgba(244, 67, 54, 0.2);
    border-color: rgba(244, 67, 54, 0.4);
}

.danger-button:hover {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    scale: 1.02 1.02;
}

.danger-button:active {
    background-color: rgb(211, 47, 47);
    scale: 0.98 0.98;
}

/* ====================
   VERSION INFO
   ==================== */
.version-info {
    width: 100%;
    align-items: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top-width: 1px;
    border-color: rgba(255, 255, 255, 0.1);
}

.version-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    opacity: 0.6;
    -unity-text-align: middle-center;
}

/* ====================
   SETTINGS PANEL
   ==================== */
.settings-panel {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    transition-duration: var(--transition-normal);
}

.settings-panel.hidden {
    display: none;
}

.settings-content {
    width: 600px;
    max-height: 80%;
    padding: var(--spacing-xl);
    background-color: var(--color-background-panel);
    border-radius: var(--radius-lg);
    border-width: 2px;
    border-color: rgba(76, 175, 80, 0.3);
}

.panel-title {
    font-size: 36px;
    -unity-font-style: bold;
    color: var(--color-primary);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xl);
    -unity-text-align: middle-center;
}

/* ====================
   SETTINGS SECTIONS
   ==================== */
.settings-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.section-title {
    font-size: 20px;
    -unity-font-style: bold;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

/* ====================
   SETTING CONTROLS
   ==================== */
.setting-control {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    height: 30px;
}

.setting-control Label {
    min-width: 120px;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.setting-control .unity-base-field__input {
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    border-width: 1px;
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
}

/* Slider Styles */
.unity-slider {
    flex-grow: 1;
}

.unity-slider__tracker {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    height: 6px;
}

.unity-slider__dragger {
    width: 18px;
    height: 18px;
    background-color: var(--color-primary);
    border-radius: 50%;
    border-width: 2px;
    border-color: var(--color-primary-dark);
}

.unity-slider__dragger:hover {
    background-color: var(--color-primary-hover);
    scale: 1.2 1.2;
}

/* Toggle Styles */
.unity-toggle__input {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.unity-toggle:checked .unity-toggle__input {
    background-color: var(--color-primary);
}

.unity-toggle__checkmark {
    background-color: white;
    border-radius: 2px;
}

/* Dropdown Styles */
.unity-base-popup-field__input {
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
}

.unity-base-popup-field__input:hover {
    border-color: var(--color-primary);
}

/* ====================
   SETTINGS BUTTONS
   ==================== */
.settings-buttons {
    flex-direction: row;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
}

.settings-buttons .menu-button {
    flex-grow: 1;
    margin-left: var(--spacing-sm);
    margin-right: var(--spacing-sm);
}

/* ====================
   ANIMATIONS & EFFECTS
   ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        translate: 0 50px;
    }
    to { 
        opacity: 1;
        translate: 0 0;
    }
}

/* Apply animations (Note: Unity USS doesn't support keyframe animations natively,
   but you can control these via C# using transitions) */