/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --bg-base: #f0f4f8;
    --bg-glass: rgba(255, 255, 255, 0.5);
    --bg-glass-strong: rgba(255, 255, 255, 0.65);
    --bg-card: rgba(255, 255, 255, 0.45);
    --bg-dock: rgba(255, 255, 255, 0.3);
    --border-glass: rgba(255, 255, 255, 0.4);
    --border-icon: rgba(255, 255, 255, 0.24);
    --border-dock: rgba(255, 255, 255, 0.28);
    --text-primary: #3a4a5a;
    --text-secondary: #6a7a8a;
    --icon-color: #5a6a7a;
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.05);
    --shadow-icon: 0 10px 22px rgba(61, 76, 92, 0.09), 0 2px 5px rgba(61, 76, 92, 0.06);
    --blur-amount: 20px;
    --blur-strong: 28px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --safe-area-top: env(safe-area-inset-top, 20px);
    --safe-area-bottom: env(safe-area-inset-bottom, 20px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
    --dock-bottom-gap: max(14px, calc(var(--safe-area-bottom) + 8px));
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    touch-action: manipulation;
}

/* Phone Container */
.phone-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 24px;
    height: 44px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
}

.time {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.status-icons {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
}

.signal-icon, .wifi-icon, .battery-icon {
    opacity: 0.9;
}

/* Apps Container */
.apps-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 24px 16px;
    padding-bottom: calc(120px + var(--dock-bottom-gap));
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px 12px;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

/* App Icon */
.app-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.app-icon:active {
    transform: scale(0.9);
}

.app-icon-bg {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.28));
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-icon), inset 0 1px 1px rgba(255, 255, 255, 0.62), inset 0 -1px 2px rgba(80, 96, 112, 0.05);
    color: var(--icon-color);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--border-icon);
}

.app-icon:hover .app-icon-bg {
    box-shadow: 0 12px 26px rgba(61, 76, 92, 0.12), 0 3px 7px rgba(61, 76, 92, 0.07), inset 0 1px 1px rgba(255, 255, 255, 0.68), inset 0 -1px 2px rgba(80, 96, 112, 0.06);
}

.app-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Dock */
.dock {
    position: fixed;
    bottom: var(--dock-bottom-gap);
    left: 0;
    right: 0;
    padding-bottom: 0;
    padding-top: 12px;
    padding-left: 16px;
    padding-right: 16px;
    z-index: 100;
}

.dock-bg {
    position: absolute;
    top: 0;
    left: 16px;
    right: 16px;
    bottom: 0;
    background: var(--bg-dock);
    backdrop-filter: blur(var(--blur-strong));
    -webkit-backdrop-filter: blur(var(--blur-strong));
    border-radius: 32px;
    box-shadow: var(--shadow-soft);
    border: 0.5px solid var(--border-dock);
}

.dock-icons {
    position: relative;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding: 8px 20px;
    z-index: 1;
}

.dock-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.dock-icon:active {
    transform: scale(0.88);
}

.dock-icon-bg {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.28));
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-icon), inset 0 1px 1px rgba(255, 255, 255, 0.62), inset 0 -1px 2px rgba(80, 96, 112, 0.05);
    color: var(--icon-color);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--border-icon);
}

.dock-icon:hover .dock-icon-bg {
    box-shadow: 0 12px 26px rgba(61, 76, 92, 0.12), 0 3px 7px rgba(61, 76, 92, 0.07), inset 0 1px 1px rgba(255, 255, 255, 0.68), inset 0 -1px 2px rgba(80, 96, 112, 0.06);
}

.dock-name {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Home Indicator */
.home-indicator {
    position: fixed;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 134px;
    height: 5px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
    z-index: 200;
}

/* Keyboard Adaptation */
@media screen and (max-height: 500px) {
    .apps-container {
        padding-bottom: calc(80px + var(--dock-bottom-gap));
    }
    
    .dock {
        padding-top: 8px;
    }
    
    .dock-icon-bg {
        width: 44px;
        height: 44px;
    }
}

/* Small Screen Adaptation */
@media screen and (max-width: 350px) {
    .apps-grid {
        gap: 16px 8px;
    }
    
    .app-icon-bg {
        width: 52px;
        height: 52px;
        border-radius: 14px;
    }
    
    .app-name {
        font-size: 10px;
    }
    
    .dock-icon-bg {
        width: 46px;
        height: 46px;
        border-radius: 12px;
    }
}

/* Large Screen Adaptation */
@media screen and (min-width: 428px) {
    .apps-grid {
        gap: 24px 16px;
    }
    
    .app-icon-bg {
        width: 64px;
        height: 64px;
        border-radius: 18px;
    }
    
    .dock-icon-bg {
        width: 56px;
        height: 56px;
        border-radius: 16px;
    }
}

/* Standalone Mode (PWA) */
@media all and (display-mode: standalone) {
    .status-bar {
        padding-top: 4px;
    }
}

/* iOS Specific */
@supports (-webkit-touch-callout: none) {
    .phone-container {
        padding-bottom: max(var(--safe-area-bottom), 20px);
    }
    
    .home-indicator {
        bottom: max(8px, calc(var(--safe-area-bottom) - 12px));
    }
}

/* Animation Classes */
.app-icon.pressed .app-icon-bg,
.dock-icon.pressed .dock-icon-bg {
    transform: scale(0.92);
    opacity: 0.9;
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple-animation 0.35s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Prevent overscroll */
.apps-container::-webkit-scrollbar {
    display: none;
}

.apps-container {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Focus States for Accessibility */
.app-icon:focus-visible .app-icon-bg,
.dock-icon:focus-visible .dock-icon-bg {
    outline: 2px solid var(--icon-color);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}