/* Step 2: Simple CSS shading for the app area */

/* ACTIVE: Original Slate Color Scheme */
:root {
    --bg-gradient-start: #475569;
    --bg-gradient-25: #64748b;
    --bg-gradient-50: #94a3b8;
    --bg-gradient-75: #cbd5e1;
    --bg-gradient-end: #e2e8f0;
    
    --app-glass-bg: rgba(255, 255, 255, 0.1);
    --app-glass-border: rgba(255, 255, 255, 0.2);
}

/* 
AVAILABLE COLOR SCHEMES:
Uncomment one of the sections below to switch color schemes.
Each scheme maintains the same gradient structure with subtle variations.
*/

/* SCHEME 1: Original Slate (Default - already active above) */

/* SCHEME 2: Deep Ocean - Uncomment to activate
:root {
    --bg-gradient-start: #1e3a8a;
    --bg-gradient-25: #3b82f6;
    --bg-gradient-50: #60a5fa;
    --bg-gradient-75: #93c5fd;
    --bg-gradient-end: #dbeafe;
    
    --app-glass-bg: rgba(255, 255, 255, 0.1);
    --app-glass-border: rgba(255, 255, 255, 0.2);
}
*/

/* SCHEME 3: Forest Green - Uncomment to activate
:root {
    --bg-gradient-start: #2d5016;
    --bg-gradient-25: #4a7c59;
    --bg-gradient-50: #6b9080;
    --bg-gradient-75: #a4c3b2;
    --bg-gradient-end: #cce3de;
    
    --app-glass-bg: rgba(255, 255, 255, 0.1);
    --app-glass-border: rgba(255, 255, 255, 0.2);
}
*/

/* SCHEME 4: Warm Amber - Uncomment to activate
:root {
    --bg-gradient-start: #451a03;
    --bg-gradient-25: #92400e;
    --bg-gradient-50: #d97706;
    --bg-gradient-75: #fbbf24;
    --bg-gradient-end: #fef3c7;
    
    --app-glass-bg: rgba(255, 255, 255, 0.1);
    --app-glass-border: rgba(255, 255, 255, 0.2);
}
*/

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

html {
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    /* Original FocusUI gradient */
    background: linear-gradient(to bottom right, 
        var(--bg-gradient-start) 0%, 
        var(--bg-gradient-25) 25%, 
        var(--bg-gradient-50) 50%, 
        var(--bg-gradient-75) 75%, 
        var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    height: 100vh;
    width: 100vw;
    margin: 0;
    padding: 0;
    overflow: hidden;
    position: relative;
}

/* Logo container and styling */
.logo-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5; /* Below drawers but above background */
    transition: opacity 0.3s ease;
}

.focusui-logo {
    max-width: 300px;
    max-height: 200px;
    width: auto;
    height: auto;
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

/* Hide logo when any drawer is expanded */
body.drawer-open .focusui-logo {
    opacity: 0;
    transform: scale(0.8);
}

/* Theme Selector - Simple Icon Button */
.theme-selector {
    position: fixed;
    top: 8px;
    right: 8px; /* Much closer to the top right corner edge */
    z-index: 100;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 8px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.theme-toggle i {
    color: white;
    font-size: 20px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.theme-options {
    position: absolute;
    top: 50px;
    right: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(0, 0, 0, 0.1) 100%);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 10px;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    isolation: isolate;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        0 4px 16px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.theme-selector.active .theme-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: white;
    font-size: 12px;
    font-weight: 500;
}

.theme-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

.theme-option.active {
    background: rgba(255, 255, 255, 0.2);
}

.theme-preview {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

/* Theme preview colors - simplified solid colors */
.slate-preview {
    background: #64748b;
}

.ocean-preview {
    background: #3b82f6;
}

.forest-preview {
    background: #4a7c59;
}

.amber-preview {
    background: #d97706;
}

.dark-preview {
    background: #374151;
    border-color: rgba(255, 255, 255, 0.5); /* Lighter border for dark theme */
}

.light-preview {
    background: #f9fafb;
    border-color: rgba(0, 0, 0, 0.2); /* Darker border for light theme */
}

/* iPad-specific: Simple approach - disable scrolling only */
@media (min-device-width: 768px) and (max-device-width: 1366px) {
    html, body {
        overflow: hidden;
        -webkit-overflow-scrolling: none;
        overscroll-behavior: none;
    }
}

/* Base drawer styles with glass effect */
.drawer {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(0, 0, 0, 0.1) 100%);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    cursor: pointer;
    z-index: 15;
    isolation: isolate;
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.drawer:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.35) 0%, 
        rgba(255, 255, 255, 0.15) 50%, 
        rgba(0, 0, 0, 0.08) 100%);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 6px 24px rgba(0, 0, 0, 0.15),
        0 3px 12px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* Desktop-specific hover effects that preserve centering */
.drawer-left:hover {
    transform: translateY(-50%) translateX(-1px);
}

.drawer-right:hover {
    transform: translateY(-50%) translateX(1px);
}

/* Drawer handle styles */
.drawer-handle {
    position: absolute;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    border-radius: 3px;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Left drawer */
.drawer-left {
    top: 50%;
    transform: translateY(-50%);
    left: 8px;
    width: 40px;
    height: 80vh;
    border-radius: 0 50% 50% 0;
}

.drawer-left .drawer-handle {
    width: 4px;
    height: 60px;
    top: 50%;
    transform: translateY(-50%);
    right: 8px;
    border-radius: 2px;
}

/* Right drawer */
.drawer-right {
    top: 50%;
    transform: translateY(-50%);
    right: 8px;
    width: 40px;
    height: 80vh;
    border-radius: 50% 0 0 50%;
}

.drawer-right .drawer-handle {
    width: 4px;
    height: 60px;
    top: 50%;
    transform: translateY(-50%);
    left: 8px;
    border-radius: 2px;
}

/* Top drawer */
.drawer-top {
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 75vw;
    height: 40px;
    border-radius: 0 0 50% 50%;
}

.drawer-top .drawer-handle {
    width: 60px;
    height: 4px;
    left: 50%;
    transform: translateX(-50%);
    bottom: 8px;
    border-radius: 2px;
}

/* Bottom drawer */
.drawer-bottom {
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 75vw;
    height: 40px;
    border-radius: 50% 50% 0 0;
}

.drawer-bottom .drawer-handle {
    width: 60px;
    height: 4px;
    left: 50%;
    transform: translateX(-50%);
    top: 8px;
    border-radius: 2px;
}

/* Desktop hover effects for top/bottom drawers */
.drawer-top:hover {
    transform: translateX(-50%) translateY(-1px);
}

.drawer-bottom:hover {
    transform: translateX(-50%) translateY(1px);
}

/* Expanded state styling */
.drawer.expanded {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.15) 50%, 
        rgba(0, 0, 0, 0.05) 100%);
    backdrop-filter: blur(20px) saturate(1.6);
    -webkit-backdrop-filter: blur(20px) saturate(1.6);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        0 4px 16px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
}

.drawer.expanded .drawer-handle {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.5) 0%, 
        rgba(255, 255, 255, 0.2) 100%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* Expanded dimensions for each drawer */
.drawer-left.expanded {
    width: 80px;
    max-width: 15vw;
}

.drawer-right.expanded {
    width: 80px;
    max-width: 15vw;
}

.drawer-top.expanded {
    height: 80px;
    max-height: 15vh;
}

.drawer-bottom.expanded {
    height: 80px;
    max-height: 15vh;
}

/* Drawer content styling */
.drawer-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: flex-end; /* Position at bottom */
    justify-content: flex-start; /* Position at left edge */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.drawer.expanded .drawer-content {
    opacity: 1;
    pointer-events: auto;
}

/* Secondary trigger - simple button approach */
.secondary-trigger {
    position: absolute;
    bottom: 8px;
    left: 8px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    /* Perfect centering for icon */
    display: flex;
    align-items: center;
    justify-content: center;
}

.secondary-trigger:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.2) 100%);
    transform: scale(1.1);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Light theme hover state - will be overridden by JavaScript for light theme */
.secondary-trigger.light-theme:hover {
    background: linear-gradient(135deg, 
        rgba(107, 114, 128, 0.4) 0%, 
        rgba(107, 114, 128, 0.2) 100%) !important;
    border-color: rgba(107, 114, 128, 0.4) !important;
}

.secondary-trigger:active {
    transform: scale(0.9);
}

/* Style the icon */
.secondary-trigger i {
    color: white;
    font-size: 12px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
    /* Ensure icon doesn't have positioning that interferes with centering */
    position: relative;
    line-height: 1;
}

/* Change icon when secondary drawer is active - flip to show arrow-left-from-bracket */
.secondary-trigger.active i {
    transform: scaleX(-1); /* Flip horizontally to show arrow pointing left/out */
}

/* Secondary drawer - positioned as independent element */
.secondary-drawer {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    height: 78vh; /* Slightly smaller than primary drawer */
    left: 48px; /* Positioned behind primary drawer */
    width: 40px; /* Same width as collapsed drawer */
    /* CSS Variables for dynamic positioning */
    --drawer-width-collapsed: 40px;
    --drawer-width-expanded: 100px;
    --icon-size: 32px;
    --base-margin: 15px; /* Minimum distance from left edge */
    background: linear-gradient(to bottom, 
        rgba(139, 0, 0, 0.4) 0%,     /* Darker red at top */
        rgba(255, 69, 0, 0.35) 25%,  /* Red-orange */
        rgba(255, 165, 0, 0.3) 50%,  /* Orange in middle */
        rgba(255, 255, 0, 0.25) 75%, /* Yellow */
        rgba(173, 216, 230, 0.3) 100% /* Light blue at bottom */
    ), linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.05) 100%); /* Overlay glass effect */
    backdrop-filter: blur(12px) saturate(1.2);
    -webkit-backdrop-filter: blur(12px) saturate(1.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0 50% 50% 0; /* Same curve as primary drawer */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) translateX(-100%); /* Hidden by sliding left while maintaining centering */
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    z-index: 8; /* Below primary drawers but above background */
}

.secondary-drawer.active {
    width: var(--drawer-width-expanded); /* Dynamic width from CSS variable */
    opacity: 1;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0); /* Maintain centering and slide out */
    background: linear-gradient(to bottom, 
        rgba(139, 0, 0, 0.5) 0%,     /* Darker red at top - enhanced */
        rgba(255, 69, 0, 0.4) 25%,   /* Red-orange - enhanced */
        rgba(255, 165, 0, 0.35) 50%, /* Orange in middle - enhanced */
        rgba(255, 255, 0, 0.3) 75%,  /* Yellow - enhanced */
        rgba(173, 216, 230, 0.35) 100% /* Light blue at bottom - enhanced */
    ), linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.1) 100%); /* Enhanced glass effect for active state */
}

.secondary-drawer-content {
    position: relative;
    height: 100%;
    padding: 0; /* Remove padding to use full height */
    overflow: hidden;
}

/* iPad-specific drawer positioning - JavaScript will override these on actual iPad devices */
@media (min-device-width: 768px) and (max-device-width: 1366px) {
    /* Only apply hover transform adjustments for iPad */
    /* JavaScript handles positioning on actual iPad devices */
    /* CSS positioning remains intact for non-iPad devices in this viewport range */
    
    .drawer-left:hover {
        transform: translateY(-50%) translateX(-1px);
    }
    
    .drawer-right:hover {
        transform: translateY(-50%) translateX(1px);
    }
    
    .drawer-top:hover {
        transform: translateX(-50%) translateY(-1px);
    }
    
    .drawer-bottom:hover {
        transform: translateX(-50%) translateY(1px);
    }
    
    /* iPad-specific secondary drawer alignment - match left drawer exactly */
    .secondary-drawer {
        top: 50%;
        height: 80vh;
        transform: translateY(-50%) translateX(-100%);
    }
    
    .secondary-drawer.active {
        transform: translateY(-50%) translateX(0);
    }
}