/* CorridOS Unified Styles */
/* Combines desktop and mobile styles with auto-detection */

:root {
    /* Color system */
    --primary: #00c8ff;
    --primary-dark: #0099cc;
    --secondary: #00ffd5;
    --accent: #ff6b35;
    --success: #00ff88;
    --warning: #ffaa00;
    --error: #ff4444;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Text colors */
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Border colors */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #94a3b8;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
    --z-overlay-root: 300;
    --z-overlay: 1200;
    --z-modal: 1300;
    /* App card tokens */
    --card-bg: #ffffff;
    --card-border: rgba(0,0,0,.08);
    --card-bg-hover: #fafafa;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    --border-light: #334155;
    --border-medium: #475569;
    --border-dark: #64748b;
    --card-bg: rgba(17,24,39,.6);
    --card-border: rgba(139,92,246,.28);
    --card-bg-hover: rgba(88,28,135,.15);
}

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

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Overlay root + basic overlays */
#ui-root {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: var(--z-overlay-root);
}
.overlay { pointer-events: auto; }
.overlay.overlay-palette { z-index: var(--z-overlay); }
.modal-backdrop { z-index: var(--z-modal); }

/* Loading screen */
.corridOS-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-container {
    text-align: center;
    max-width: 400px;
    padding: var(--space-xl);
}

.loading-logo img {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.loading-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.loading-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.loading-progress {
    width: 100%;
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
    width: 0%;
}

.loading-status {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Desktop interface */
.corridOS-desktop {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

.desktop-top-bar {
    height: 60px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: var(--z-sticky);
}

.top-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.menu-button {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.menu-button:hover {
    background-color: var(--bg-tertiary);
}

.os-name {
    font-weight: 600;
    color: var(--text-primary);
}

.top-center {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 var(--space-xl);
}

.search-bar {
    width: 100%;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.1);
}

.top-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.notification-btn,
.settings-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.notification-btn:hover,
.settings-btn:hover {
    background-color: var(--bg-tertiary);
}

.user-profile {
    width: 32px;
    height: 32px;
    background-color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-inverse);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.user-profile:hover {
    transform: scale(1.05);
}

.desktop-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.desktop-wallpaper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    z-index: 1;
}

.desktop-windows {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

.desktop-icons {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(auto-fill, 80px);
    gap: var(--space-md);
}

.desktop-dock {
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-sm);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
}

.dock-apps {
    display: flex;
    gap: var(--space-sm);
}

.dock-app {
    width: 48px;
    height: 48px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.dock-app:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dock-app.active {
    background-color: var(--primary);
    color: var(--text-inverse);
}

.dock-app.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--primary);
    border-radius: var(--radius-full);
}

/* Mobile interface */
.corridOS-mobile {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    overflow: hidden;
}

/* Error screen */
.corridOS-error {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.error-container {
    text-align: center;
    max-width: 400px;
    padding: var(--space-xl);
}

.error-container h1 {
    font-size: 2rem;
    color: var(--error);
    margin-bottom: var(--space-md);
}

.error-container p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.retry-btn,
.home-btn {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin: 0 var(--space-sm);
}

.retry-btn {
    background-color: var(--primary);
    color: var(--text-inverse);
}

.retry-btn:hover {
    background-color: var(--primary-dark);
}

.home-btn {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.home-btn:hover {
    background-color: var(--bg-secondary);
}

/* Responsive design */
@media (max-width: 768px) {
    .desktop-top-bar {
        padding: 0 var(--space-md);
    }
    
    .top-center {
        margin: 0 var(--space-md);
    }
    
    .search-bar input {
        font-size: 1rem;
    }
    
    .desktop-dock {
        bottom: var(--space-md);
        left: var(--space-md);
        right: var(--space-md);
        transform: none;
    }
    
    .dock-apps {
        justify-content: space-around;
    }
}

/* Animation utilities */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.fade-in {
    animation: fadeIn var(--transition-normal);
}

.slide-in {
    animation: slideIn var(--transition-normal);
}

.pulse {
    animation: pulse 2s infinite;
}

/* Utility classes */
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex !important; }
.grid { display: grid !important; }
.absolute { position: absolute !important; }
.relative { position: relative !important; }
.fixed { position: fixed !important; }
.sticky { position: sticky !important; }

.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.w-full { width: 100% !important; }
.h-full { height: 100% !important; }
.w-screen { width: 100vw !important; }
.h-screen { height: 100vh !important; }

.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

.select-none { user-select: none !important; }
.select-text { user-select: text !important; }
.select-all { user-select: all !important; }

.pointer-events-none { pointer-events: none !important; }
.pointer-events-auto { pointer-events: auto !important; }

/* Global app card styles */
.app-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-lg); transition: all var(--transition-fast); }
.app-card:hover { background: var(--card-bg-hover); box-shadow: var(--shadow-md); }