:root {
    --bg-color: #030305;
    --window-bg: rgba(10, 10, 15, 0.75);
    --window-border: rgba(0, 255, 255, 0.3);
    --window-header: rgba(5, 5, 8, 0.95);
    --text-primary: #ffffff;
    --text-secondary: #90a0d0;
    --accent: #00ffff;
    --accent-glow: rgba(0, 255, 255, 0.6);
    --purple: #b026ff;
    --purple-glow: rgba(176, 38, 255, 0.5);
    
    --btn-close: #ff5f56;
    --btn-minimize: #ffbd2e;
    --btn-maximize: #27c93f;
}

/* Transitions for Theme Switcher */
body, .os-window, .glow-orb, .submit-btn, .portfolio-icon {
    transition: background-color 0.5s, color 0.5s, box-shadow 0.5s, border-color 0.5s, filter 0.5s;
}

/* Boot Screen */
#boot-screen {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: #000; z-index: 99999; display: flex; align-items: center; justify-content: center; color: var(--accent); font-family: 'Fira Code', monospace; transition: opacity 0.5s;
}
.boot-text { text-align: left; width: 80%; max-width: 600px; line-height: 1.5; text-shadow: 0 0 10px var(--accent-glow); }
.hidden-boot { opacity: 0; pointer-events: none; }

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-color); color: var(--text-primary); overflow: hidden; height: 100vh; width: 100vw; user-select: none; }

/* Background Animations */
.desktop-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 50% 50%, #0a0a15 0%, var(--bg-color) 100%); z-index: -1; overflow: hidden; }
.desktop-bg::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px); background-size: 40px 40px; z-index: 0; }
.glow-orb { position: absolute; width: 400px; height: 400px; background: var(--accent-glow); border-radius: 50%; filter: blur(150px); top: 20%; left: 10%; animation: floatOrb 20s infinite alternate ease-in-out; opacity: 0.5; }
.orb-2 { top: 60%; left: 70%; background: var(--purple-glow); animation: floatOrb2 25s infinite alternate ease-in-out; }
@keyframes floatOrb { 0% { transform: translate(0, 0); } 100% { transform: translate(200px, 100px); } }
@keyframes floatOrb2 { 0% { transform: translate(0, 0); } 100% { transform: translate(-200px, -150px); } }

/* Desktop Icons */
.desktop-icons { padding: 20px; display: flex; flex-direction: column; gap: 25px; width: 100px; position: absolute; z-index: 10; }
.desktop-icon { display: flex; flex-direction: column; align-items: center; cursor: pointer; padding: 10px; border-radius: 8px; transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s; text-align: center; }
.desktop-icon:hover { background-color: rgba(255, 255, 255, 0.1); box-shadow: 0 0 15px var(--accent-glow); transform: scale(1.05); }
.desktop-icon i { font-size: 32px; color: var(--accent); margin-bottom: 8px; filter: drop-shadow(0 0 5px var(--accent)); }
.desktop-icon span { font-size: 12px; text-shadow: 1px 1px 2px #000; font-weight: 600; }

/* Windows */
#windows-container { position: absolute; top: 0; left: 0; width: 100%; height: calc(100vh - 50px); pointer-events: none; }
.os-window { position: absolute; width: 500px; min-height: 300px; background: var(--window-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--window-border); border-radius: 12px; box-shadow: 0 20px 50px rgba(0,0,0,0.8), inset 0 0 10px rgba(0, 255, 255, 0.05); display: flex; flex-direction: column; overflow: hidden; pointer-events: auto; transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.2s; transform: scale(0.95); opacity: 0; animation: windowOpen 0.3s forwards; resize: both; }
.os-window.maximized { top: 0 !important; left: 0 !important; width: 100vw !important; height: calc(100vh - 50px) !important; border-radius: 0; }
@keyframes windowOpen { to { transform: scale(1); opacity: 1; } }

.window-header { background: var(--window-header); height: 40px; display: flex; justify-content: space-between; align-items: center; padding: 0 15px; border-bottom: 1px solid var(--window-border); cursor: grab; }
.window-header:active { cursor: grabbing; }
.window-title { font-size: 14px; font-weight: 600; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
.window-title i { color: var(--accent); }
.window-controls { display: flex; gap: 5px; }
.window-controls button { width: 22px; height: 22px; background: transparent; border: 1px solid var(--window-border); color: var(--text-secondary); border-radius: 2px; cursor: pointer; transition: 0.2s; display: flex; align-items: center; justify-content: center; font-family: 'Fira Code', monospace; font-size: 10px; font-weight: bold; }
.btn-minimize::before { content: "_"; position: relative; top: -4px; }
.btn-maximize::before { content: "□"; font-size: 12px; }
.btn-close::before { content: "X"; }
.btn-minimize:hover { background: var(--btn-minimize); color: #000; border-color: var(--btn-minimize); box-shadow: 0 0 5px var(--btn-minimize); }
.btn-maximize:hover { background: var(--btn-maximize); color: #000; border-color: var(--btn-maximize); box-shadow: 0 0 5px var(--btn-maximize); }
.btn-close:hover { background: var(--btn-close); color: #000; border-color: var(--btn-close); box-shadow: 0 0 5px var(--btn-close); }
.window-content { padding: 20px; flex-grow: 1; overflow-y: auto; user-select: text; }

/* Terminal Content */
.terminal-content { background: rgba(0,0,0,0.85); font-family: 'Fira Code', monospace; color: #a9b7c6; }
.terminal-content p { margin-bottom: 10px; font-family: 'Fira Code', monospace; font-size: 14px; }
.prompt { color: var(--accent); font-weight: bold; } .status-ok { color: var(--btn-maximize); font-weight: bold; }
.cursor { animation: blink 1s infinite; color: var(--accent); }
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
.logo-container { text-align: center; margin: 20px 0; }
.brand-logo { max-width: 150px; filter: drop-shadow(0 0 15px var(--accent-glow)); }
.pulse { animation: imgPulse 3s infinite alternate; }
@keyframes imgPulse { from { filter: drop-shadow(0 0 10px var(--accent-glow)); } to { filter: drop-shadow(0 0 25px var(--purple-glow)); } }

/* Glass Content */
.glass-content h2 { margin-bottom: 20px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; font-size: 1.2rem; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 10px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 15px; }
.service-card { background: rgba(255, 255, 255, 0.03); padding: 20px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.05); transition: all 0.3s; text-align: center; }
.service-card:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 10px 20px rgba(0, 255, 255, 0.1); }
.service-card i { font-size: 2rem; color: var(--purple); margin-bottom: 15px; filter: drop-shadow(0 0 5px var(--purple-glow)); }

/* Portfolio / Request Lists */
.portfolio-list { display: flex; flex-direction: column; gap: 15px; }
.portfolio-item { display: flex; align-items: center; background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; padding: 15px; gap: 15px; transition: 0.3s; }
.portfolio-item:hover { border-color: var(--purple); background: rgba(176, 38, 255, 0.05); }
.portfolio-icon { width: 50px; height: 50px; border-radius: 8px; background: rgba(255,255,255,0.05); display: flex; justify-content: center; align-items: center; font-size: 24px; color: var(--accent); }
.portfolio-info { flex-grow: 1; }
.portfolio-info h3 { font-size: 1rem; margin-bottom: 5px; color: white; }
.portfolio-info p { font-size: 0.8rem; color: var(--text-secondary); margin: 0; }
.badge { padding: 4px 8px; border-radius: 4px; font-size: 0.7rem; font-weight: bold; }
.badge.success { background: rgba(39, 201, 63, 0.2); color: #27c93f; border:1px solid #27c93f;}
.badge.warning { background: rgba(255, 189, 46, 0.2); color: #ffbd2e; border:1px solid #ffbd2e;}
.badge.purple { background: rgba(176, 38, 255, 0.2); color: var(--purple); border:1px solid var(--purple);}

/* System Monitor */
.sys-stat { margin-bottom: 15px; }
.sys-label { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 5px; color: var(--text-secondary); }
.sys-bar { height: 8px; background: rgba(0,0,0,0.5); border-radius: 4px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); }
.sys-fill { height: 100%; background: var(--accent); transition: width 0.5s ease-out; box-shadow: 0 0 10px var(--accent-glow); }
.net-pulse { animation: netPulse 1s infinite; }
@keyframes netPulse { 0% { opacity: 0.5; } 50% { opacity: 1; } 100% { opacity: 0.5; } }
.mt-20 { margin-top: 20px; }
.terminal-mini { background: #000; padding: 10px; border-radius: 5px; font-family: 'Fira Code', monospace; font-size: 12px; border: 1px solid rgba(0,255,255,0.2); }

/* Forms */
.form-container form { display: flex; flex-direction: column; gap: 15px; }
.input-group { display: flex; flex-direction: column; gap: 5px; }
.input-group label { font-size: 0.9rem; color: var(--text-secondary); }
.input-group input, .input-group textarea { background: rgba(0, 0, 0, 0.5); border: 1px solid var(--window-border); padding: 10px; border-radius: 5px; color: white; outline: none; transition: 0.3s; }
.input-group input:focus, .input-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
.submit-btn { background: linear-gradient(45deg, var(--purple), var(--accent)); border: none; padding: 12px; border-radius: 5px; color: white; font-weight: bold; cursor: pointer; transition: 0.3s; }
.submit-btn:hover { box-shadow: 0 0 15px var(--accent-glow); transform: scale(1.02); }
.small-btn { padding: 5px 10px; font-size: 12px; background: var(--bg-color); border: 1px solid var(--accent); color: var(--accent); border-radius: 3px; cursor: pointer;}
.small-btn:hover { background: var(--accent); color: #000; }

/* Taskbar */
.taskbar { position: absolute; bottom: 0; left: 0; width: 100%; height: 50px; background: rgba(5, 5, 10, 0.85); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border-top: 1px solid rgba(255, 255, 255, 0.1); display: flex; align-items: center; padding: 0 15px; z-index: 1000; }
.start-btn { width: 40px; height: 40px; border-radius: 5px; display: flex; justify-content: center; align-items: center; cursor: pointer; transition: 0.3s; }
.start-btn img { width: 24px; height: 24px; filter: drop-shadow(0 0 5px var(--accent)); }
.start-btn:hover { background: rgba(255, 255, 255, 0.15); box-shadow: inset 0 0 10px rgba(0, 255, 255, 0.2); }
.start-btn.active { background: rgba(0, 255, 255, 0.2); }
.taskbar-apps { flex-grow: 1; display: flex; align-items: center; padding: 0 20px; gap: 10px; }
.taskbar-app { padding: 5px 15px; background: rgba(255, 255, 255, 0.05); border-radius: 5px; border-bottom: 2px solid var(--accent); color: white; font-size: 13px; cursor: pointer; display: flex; align-items: center; gap: 8px; transition: 0.2s; }
.taskbar-app:hover { background: rgba(255, 255, 255, 0.15); }
.taskbar-app.active { background: rgba(255, 255, 255, 0.2); border-bottom-color: var(--purple); }
.taskbar-right { display: flex; align-items: center; gap: 15px; }
.taskbar-icon { color: var(--text-secondary); font-size: 14px; cursor: pointer; transition: 0.2s; }
.taskbar-icon:hover { color: white; }
.taskbar-time { color: white; font-size: 13px; font-weight: 500; }

/* Start Menu */
.start-menu { position: absolute; bottom: 60px; left: 15px; width: 300px; background: var(--window-bg); backdrop-filter: blur(20px); border: 1px solid var(--window-border); border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.8); display: flex; z-index: 999; transition: 0.2s; transform-origin: bottom left; }
.start-menu.hidden { opacity: 0; transform: scale(0.9); pointer-events: none; }
.start-menu-sidebar { width: 50px; background: rgba(0,0,0,0.5); border-right: 1px solid rgba(255,255,255,0.05); display: flex; flex-direction: column; justify-content: flex-end; align-items: center; padding-bottom: 10px; gap: 20px; }
.start-menu-sidebar i { color: var(--text-secondary); cursor: pointer; transition: 0.2s; font-size: 18px; }
.start-menu-sidebar i:hover { color: var(--accent); filter: drop-shadow(0 0 5px var(--accent-glow)); }
.start-menu-apps { flex-grow: 1; padding: 15px; display: flex; flex-direction: column; gap: 5px; }
.start-app { padding: 10px; border-radius: 5px; cursor: pointer; transition: 0.2s; display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.start-app:hover { background: rgba(255,255,255,0.1); color: var(--accent); }
.start-app i {
    width: 25px;
    text-align: center;
}

/* --- Print CSS for Billing / Invoice --- */
@media print {
    body * { visibility: hidden; }
    #window-billing, #window-billing * { visibility: visible; }
    #window-billing { 
        position: absolute; 
        left: 0; 
        top: 0; 
        width: 100%; 
        box-shadow: none; 
        border: none; 
        background: transparent;
    }
    .window-header, .submit-btn, .desktop-bg, .taskbar, .start-menu, .desktop-icons { 
        display: none !important; 
    }
    #invoice-preview {
        box-shadow: none !important;
        border: none !important;
    }
}

/* Context Menu */
.context-menu { position: absolute; background: var(--window-header); backdrop-filter: blur(10px); border: 1px solid var(--window-border); border-radius: 6px; box-shadow: 0 10px 25px rgba(0,0,0,0.9); padding: 5px 0; z-index: 10000; min-width: 200px; transition: opacity 0.15s, transform 0.15s; transform-origin: top left; }
.context-menu.hidden { opacity: 0; transform: scale(0.9); pointer-events: none; }
.context-item { padding: 10px 15px; cursor: pointer; color: white; font-size: 13px; display: flex; align-items: center; gap: 10px; transition: 0.2s; }
.context-item i { color: var(--accent); width: 16px; text-align: center; }
.context-item:hover { background: rgba(255,255,255,0.1); color: var(--accent); }

.arcade-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.1) !important;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .os-window {
        width: 100% !important;
        height: calc(100vh - 50px) !important;
        top: 0 !important;
        left: 0 !important;
        border-radius: 0;
        transform: scale(1) !important;
        max-width: none !important;
        max-height: none !important;
    }
    
    .desktop-icons {
        flex-direction: row;
        flex-wrap: wrap;
        width: 100%;
        gap: 15px;
        padding: 15px;
    }
    
    .desktop-icon {
        width: 80px;
        padding: 5px;
    }
    
    .desktop-icon i {
        font-size: 24px;
        margin-bottom: 5px;
    }
    
    .desktop-icon span {
        font-size: 10px;
        word-break: break-word;
    }

    .start-menu {
        width: calc(100% - 30px);
        left: 15px;
        bottom: 60px;
    }

    .window-controls button {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    .taskbar {
        padding: 0 10px;
    }
    
    .taskbar-apps {
        overflow-x: auto;
        padding: 0 5px;
    }
}

/* --- BLACKMARKET CHAT --- */
.blackmarket-mode {
    background: #0f0505 !important;
    border-color: #ff3333 !important;
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.5) !important;
}
.blackmarket-mode .window-title {
    color: #ff3333 !important;
    font-family: 'Fira Code', monospace !important;
    text-shadow: 0 0 5px #ff0000;
}
.blackmarket-mode #chat-messages {
    background: #000 !important;
    color: #00ff00 !important;
    font-family: 'Fira Code', monospace !important;
}
.blackmarket-mode #chat-input {
    border-color: #ff3333 !important;
    color: #00ff00 !important;
    background: rgba(255,0,0,0.1) !important;
    font-family: 'Fira Code', monospace !important;
}
.blackmarket-mode .btn-close { background: #ff0000; }