/* Theme Switcher Component Styles */

/* Theme Switcher Container */
.theme-switcher-container {
    position: relative;
    display: inline-block;
    margin-left: var(--spacing-sm);
}

/* Theme Switcher Button */
.theme-switcher-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-terminal);
    font-size: var(--font-size-terminal-small);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--terminal-text);
    background-color: transparent;
    border: 1px solid var(--terminal-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
    user-select: none;
    min-width: 140px;
}

.theme-switcher-button:hover,
.theme-switcher-button:focus {
    color: var(--terminal-hover);
    border-color: var(--terminal-highlight);
    box-shadow: 0 0 8px var(--terminal-shadow-color);
    outline: none;
    background-color: rgba(var(--terminal-text-rgb), 0.05);
}

.theme-switcher-button .icon {
    font-size: 1em;
    flex-shrink: 0;
}

.theme-switcher-button .theme-name {
    flex: 1;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* MODIFIED: Icon starts pointing up and points down when open */
.theme-switcher-button .dropdown-icon {
    font-size: 0.8em;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    transform: rotate(180deg);
}

.theme-switcher-button[aria-expanded="true"] .dropdown-icon {
    transform: rotate(0deg);
}

/* MODIFIED: Theme Dropdown opens upwards */
.theme-dropdown {
    position: absolute;
    bottom: calc(100% + var(--spacing-xs)); /* Changed from top to bottom */
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    z-index: calc(var(--z-nav) + 10);
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity var(--transition-normal), 
                visibility var(--transition-normal), 
                transform var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* MODIFIED: Animate upwards when hidden */
.theme-dropdown.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px); /* Reversed from -10px */
    pointer-events: none;
}

/* Theme Options */
.theme-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--terminal-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid rgba(var(--terminal-border-rgb), 0.3);
    position: relative;
    overflow: hidden;
}

.theme-option:last-child {
    border-bottom: none;
}

.theme-option:hover,
.theme-option:focus {
    background-color: rgba(var(--terminal-text-rgb), 0.1);
    color: var(--terminal-highlight);
    outline: none;
    transform: translateX(2px);
}

.theme-option.active {
    background-color: rgba(var(--terminal-text-rgb), 0.15);
    color: var(--terminal-highlight);
    border-left: 3px solid var(--terminal-highlight);
}

.theme-option.active::after {
    content: "✓";
    position: absolute;
    right: var(--spacing-md);
    color: var(--terminal-highlight);
    font-weight: bold;
}

.theme-option .theme-icon {
    font-size: 1.2em;
    width: 1.5em;
    text-align: center;
    flex-shrink: 0;
}

.theme-option .theme-label {
    flex: 1;
    font-family: var(--font-terminal);
    font-size: var(--font-size-terminal-small);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.theme-option .theme-preview {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(var(--terminal-text-rgb), 0.3);
    flex-shrink: 0;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

/* Theme Transition Effects */
:root {
    transition: 
        --terminal-text var(--transition-normal),
        --terminal-bg var(--transition-normal),
        --terminal-border var(--transition-normal),
        --terminal-highlight var(--transition-normal),
        --terminal-shadow-color var(--transition-normal);
}

/* Smooth transitions for all themed elements */
body,
.fallout-card,
.feature-card,
.application-card,
.staff-card,
.donation-card,
.terminal-button,
.fallout-btn,
.nav-link,
.theme-switcher-button {
    transition: 
        color var(--transition-normal),
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        text-shadow var(--transition-normal);
}

/* Navigation Integration */
.nav-fx-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    .theme-switcher-button {
        min-width: 120px;
        font-size: var(--font-size-terminal-small);
        padding: var(--spacing-xs);
    }
    
    .theme-switcher-button .theme-name {
        display: none;
    }
    
    .theme-dropdown {
        min-width: 200px;
    }
    
    .theme-option .theme-label {
        font-size: var(--font-size-terminal-small);
    }
}

@media (max-width: 480px) {
    .theme-switcher-container {
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }
    
    .nav-fx-toggle {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }
    
    .theme-switcher-button {
        width: 100%;
        justify-content: space-between;
    }
    
    .theme-switcher-button .theme-name {
        display: block;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .theme-dropdown {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background-color: var(--terminal-bg);
    }
    
    .theme-option {
        border-bottom: 2px solid var(--terminal-border);
    }
    
    .theme-preview {
        border-width: 2px !important;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .theme-switcher-button,
    .theme-dropdown,
    .theme-option,
    :root {
        transition: none !important;
    }
    
    .theme-switcher-button .dropdown-icon {
        transition: none !important;
    }
}

/* Focus Visible Support */
.theme-switcher-button:focus-visible,
.theme-option:focus-visible {
    outline: 2px solid var(--terminal-highlight);
    outline-offset: 2px;
}

/* Animation for theme switching feedback */
@keyframes themeSwitch {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.theme-switching {
    animation: themeSwitch 0.3s ease-in-out;
}
/* 
Loading States and Notifications */
.theme-switcher-loading {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(var(--card-bg-rgb), 0.9);
    border: 1px solid var(--terminal-border);
    border-radius: var(--border-radius);
    color: var(--terminal-text);
    font-family: var(--font-terminal);
    font-size: var(--font-size-terminal-small);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.theme-switcher-loading .loading-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.theme-switcher-loading .icon {
    color: var(--terminal-highlight);
}

.theme-switcher-success {
    position: absolute;
    top: 50%;
    right: var(--spacing-xs);
    transform: translateY(-50%);
    color: var(--terminal-highlight);
    font-size: 1.2em;
    opacity: 0;
    animation: successPulse 1s ease-in-out;
}

.theme-switcher-error {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    border-radius: var(--border-radius);
    color: #dc3545;
    font-family: var(--font-terminal);
    font-size: var(--font-size-terminal-small);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* MODIFIED: Notification appears upwards */
.theme-change-notification {
    position: absolute;
    bottom: calc(100% + var(--spacing-sm)); /* Changed from top to bottom */
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--terminal-highlight);
    font-family: var(--font-terminal);
    font-size: var(--font-size-terminal-small);
    text-align: center;
    box-shadow: var(--card-shadow);
    z-index: calc(var(--z-nav) + 20);
    opacity: 0;
    transform: translateY(10px); /* Reversed from -10px */
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    pointer-events: none;
}

.theme-change-notification.visible {
    opacity: 1;
    transform: translateY(0);
}

.theme-change-notification .icon {
    margin-right: var(--spacing-xs);
    color: var(--terminal-highlight);
}

/* MODIFIED: Error notification appears upwards */
.theme-error-notification {
    position: absolute;
    bottom: calc(100% + var(--spacing-sm)); /* Changed from top to bottom */
    left: 0;
    right: 0;
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    color: #dc3545;
    font-family: var(--font-terminal);
    font-size: var(--font-size-terminal-small);
    text-align: center;
    z-index: calc(var(--z-nav) + 20);
    animation: errorSlideIn 0.3s ease-out;
}

.theme-error-notification .icon {
    margin-right: var(--spacing-xs);
}

/* Button Loading State */
.theme-switcher-button.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.theme-switcher-button.loading .icon {
    animation: spin 1s linear infinite;
}

/* Animations */
@keyframes successPulse {
    0% { opacity: 0; transform: translateY(-50%) scale(0.8); }
    50% { opacity: 1; transform: translateY(-50%) scale(1.1); }
    100% { opacity: 0; transform: translateY(-50%) scale(1); }
}

/* MODIFIED: Error animation slides in from below */
@keyframes errorSlideIn {
    0% { opacity: 0; transform: translateY(10px); } /* Reversed from -10px */
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Theme Switching Animation */
.theme-switching * {
    transition: 
        color var(--transition-normal),
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal) !important;
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    .theme-switcher-success,
    .theme-change-notification,
    .theme-error-notification,
    .theme-switcher-button.loading .icon {
        animation: none !important;
    }
    
    .theme-change-notification {
        transition: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .theme-switcher-loading,
    .theme-change-notification {
        background-color: var(--terminal-bg);
        border-width: 2px;
    }
    
    .theme-switcher-error,
    .theme-error-notification {
        background-color: #000;
        border-width: 2px;
        color: #ff6b6b;
    }
}