:root {
    --glass-bg: rgba(25, 25, 25, 0.6);        
    --glass-border: rgba(255, 255, 255, 0.1);  
    --text-main: #f5f5f7;                      
    --text-sub: #a1a1a6;                       
    --accent-color: #0071e3;                   
    --window-bg: #1c1c1e;                      
    --sidebar-bg: #141416;                     
    --card-bg: #2c2c2e;                        
}

body {
    margin: 0;
    padding: 0;
    background-image: url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?q=80&w=2564&auto=format&fit=crop'); 
    background-size: cover;
    background-position: center;
    height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: hidden; 
    color: var(--text-main);
}

.top-bar {
    position: absolute; 
    top: 0;
    left: 0;
    width: 100%; 
    display: flex; 
    backdrop-filter: blur(20px); 
    -webkit-backdrop-filter: blur(20px);
    background-color: rgba(10, 10, 10, 0.3); 
    border-bottom: 1px solid var(--glass-border);
    justify-content: space-between; 
    align-items: center;
    box-sizing: border-box;
    padding: 0 20px;
    height: 44px;
    user-select: none; 
    z-index: 99999; 
}

.top-bar-btn {
    cursor: pointer;
    font-weight: 600; 
    font-size: 14px;
    background-color: rgba(255, 255, 255, 0.1); 
    padding: 5px 12px; 
    border-radius: 20px;
    transition: background 0.2s;
}

.top-bar-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.top-bar-status {
    font-size: 13px;
    color: var(--text-main);
    font-weight: 500;
}

#desktopApps {
    position: absolute;
    top: 64px;
    left: 20px;
    display: flex;
    flex-direction: column; 
    gap: 16px;
    width: max-content;
    z-index: 5;
}

.app-icon {
    text-align: center; 
    padding: 8px; 
    width: 80px;
    cursor: pointer;
    border-radius: 12px;
    transition: background-color 0.2s;
    user-select: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.app-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.app-icon .icon-placeholder {
    width: 50px; 
    height: 50px; 
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.icon-notes { background: linear-gradient(135deg, #ff9500, #ff5e3a); }
.icon-photo { background: linear-gradient(135deg, #52c2ff, #0a84ff); }
.icon-settings { background: linear-gradient(135deg, #8e8e93, #3a3a3c); }
.icon-about { background: linear-gradient(135deg, #af52de, #5e5ce6); }
.icon-calendar { background: linear-gradient(135deg, #ff3b30, #ff2d55); }
.icon-calc { background: linear-gradient(135deg, #4cd964, #28cd41); }

.app-icon p {
    margin: 0; 
    color: var(--text-main); 
    font-size: 12px;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0,0,0,0.7); 
}

.system-dock {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%); 
    background: rgba(30, 30, 30, 0.35);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    padding: 10px 16px;
    border-radius: 24px;
    display: flex;
    gap: 14px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    z-index: 99999; 
}

.dock-item {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: transform 0.2s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.dock-item:hover {
    transform: scale(1.18) translateY(-6px);
}

.window {
    position: absolute; 
    border: 1px solid var(--glass-border); 
    border-radius: 16px; 
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    background: var(--glass-bg); 
    box-shadow: 0 25px 60px rgba(0,0,0,0.45);
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow: hidden;
}

.windowheader {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    cursor: grab;
    user-select: none;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.windowheader:active { cursor: grabbing; }

.window-controls {
    display: flex;
    align-items: center;
    width: 50px;
}

.closebutton {
    width: 12px;
    height: 12px;
    cursor: pointer;
    background-color: #ff5f56;
    border-radius: 50%;
    border: none;
}

.headertext {
    flex: 1;
    text-align: center;
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-right: 50px; 
}

.app-body {
    background-color: var(--window-bg); 
    flex: 1;
    display: flex;
    box-sizing: border-box;
    overflow: hidden;
}

.padded-content { padding: 20px; width: 100%; overflow-y: auto; }

.profile-container { display: flex; flex-direction: column; gap: 12px; }
.profile-badge {
    background: var(--card-bg);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    border-left: 3px solid var(--accent-color); 
}

.calc-wrap { display: flex; flex-direction: column; width: 100%; padding: 12px; gap: 10px; }
.calc-screen {
    background-color: #0b0b0c;
    padding: 16px;
    border-radius: 10px;
    text-align: right;
    font-size: 32px;
    font-family: monospace;
    min-height: 38px;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.05);
}
.calc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; flex: 1; }
.calc-btn {
    background-color: var(--card-bg);
    border: none;
    color: var(--text-main);
    border-radius: 10px;
    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.1s;
}
.calc-btn:hover { background-color: rgba(255,255,255,0.15); }
.calc-btn.op { background-color: #ff9500; color: #fff; }
.calc-btn.op:hover { background-color: #e08400; }

.cal-container { display: flex; flex-direction: column; width: 100%; padding: 12px; }
.cal-header { text-align: center; font-weight: 600; margin-bottom: 14px; font-size: 16px; color: var(--text-main); }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; text-align: center; font-size: 13px; }
.cal-day-label { font-weight: bold; color: var(--text-sub); padding-bottom: 6px; }
.cal-day { padding: 8px 0; border-radius: 50%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.cal-day.today { background-color: var(--accent-color); font-weight: bold; color: #fff; }

.sidebar { background-color: var(--sidebar-bg); width: 150px; padding: 10px; display: flex; flex-direction: column; gap: 6px; border-right: 1px solid rgba(255,255,255,0.05); }
.sidebar-item { padding: 8px 10px; border-radius: 6px; cursor: pointer; font-size: 12px; color: var(--text-sub); }
.sidebar-item.active { background-color: var(--accent-color); color: #fff; }
.content-area { flex: 1; display: flex; flex-direction: column; }
.notes-textarea { 
    width: 100%; height: 100%; 
    background: transparent; border: none; 
    color: var(--text-main); padding: 20px; 
    box-sizing: border-box; resize: none; 
    font-family: inherit; font-size: 14px; outline: none;
}

.input-field {
    width: 100%; padding: 10px; background: var(--card-bg); border: 1px solid var(--glass-border); border-radius: 8px; color: #fff; box-sizing: border-box; margin-bottom: 12px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    padding-bottom: 20px;
}

.gallery-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden; 
    box-sizing: border-box;
    aspect-ratio: 1;   
    border: 1px solid var(--glass-border);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 16px rgba(0,0,0,0.4);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    pointer-events: none; 
}