/* ===== HACKER CYBERPUNK DESKTOP ULTRA ===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;500;700;900&family=Share+Tech+Mono&display=swap');

:root {
    --neon-blue: #00f7ff;
    --neon-purple: #9d00ff;
    --neon-green: #00ff41;
    --neon-red: #ff0040;
    --neon-yellow: #ffff00;
    --dark-bg: #000000;
    --darker-bg: #0a0a0a;
    --card-bg: rgba(10, 10, 10, 0.95);
    --glass-bg: rgba(0, 0, 0, 0.98);
    --border-glow: rgba(0, 247, 255, 0.4);
    --shadow-deep: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 247, 255, 0.3);
    --hacker-green: #00ff41;
    --matrix-green: #00ff00;
    --cyber-blue: #0080ff;
    --terminal-bg: #000000;
    --terminal-text: #00ff41;
}

/* ===== DESKTOP HACKER ULTRA - FOND NOIR PUR ===== */
#desktop-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000000 !important;
    display: none;
    z-index: 100;
    overflow: hidden;
    animation: fadeIn 1s ease forwards;
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* Style simple pour le desktop */
#desktop-section.simple {
    background: #000000 !important;
    animation: none;
}

/* ===== ANIMATION PROFESSIONNELLE MODERNE ===== */

/* Effet de grille moderne et subtile */
#desktop-section::before {
    content: "";
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background-image: 
        linear-gradient(rgba(0, 255, 65, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 65, 0.015) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px;
    animation: modernGridFlow 200s linear infinite;
    z-index: 1;
    pointer-events: none;
}

/* Modern ambient light effect */
#desktop-section::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 65, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 247, 255, 0.015) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(157, 0, 255, 0.01) 0%, transparent 60%);
    pointer-events: none;
    z-index: 2;
    animation: modernAmbientLight 20s ease-in-out infinite;
}

/* Modern data stream effect */
.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(0, 255, 65, 0.05) 100px,
            rgba(0, 255, 65, 0.05) 200px
        );
    pointer-events: none;
    z-index: 3;
    animation: modernDataStream 25s linear infinite;
    opacity: 0.15;
}

/* Modern scan effect */
.scan-effect {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 255, 65, 0.4), 
        rgba(0, 247, 255, 0.4), 
        transparent);
    pointer-events: none;
    z-index: 4;
    animation: modernScanLine 20s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

/* ===== MODERN ANIMATIONS ===== */

@keyframes modernGridFlow {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-100px, -100px); }
}

@keyframes modernAmbientLight {
    0%, 100% { 
        opacity: 0.3;
        transform: scale(1);
    }
    50% { 
        opacity: 0.5;
        transform: scale(1.02);
    }
}

@keyframes modernDataStream {
    0% { 
        transform: translateX(-100%);
        opacity: 0;
    }
    10% { 
        opacity: 0.15;
    }
    90% { 
        opacity: 0.15;
    }
    100% { 
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes modernScanLine {
    0% { 
        transform: translateY(-100vh);
        opacity: 0;
    }
    10% { 
        opacity: 1;
    }
    90% { 
        opacity: 1;
    }
    100% { 
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Hacker Desktop Icons */
#desktop-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    padding: 100px;
    justify-content: flex-start;
    align-content: flex-start;
    min-height: calc(100vh - 120px);
}

/* Simple style for icons */
#desktop-icons.simple {
    gap: 40px;
    padding: 60px;
}

.icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    width: 120px;
    padding: 30px 25px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.8),
        0 6px 18px rgba(0, 100, 0, 0.7),
        0 4px 12px rgba(128, 0, 128, 0.6),
        0 2px 8px rgba(0, 0, 139, 0.6),
        0 0 15px rgba(0, 100, 0, 0.5);
    transform: translateY(0);
    animation: iconFloat 4s ease-in-out infinite;
}

.icon:nth-child(2n) {
    animation-delay: 0.5s;
}

.icon:nth-child(3n) {
    animation-delay: 1s;
}

.icon:nth-child(4n) {
    animation-delay: 1.5s;
}

.icon:nth-child(5n) {
    animation-delay: 2s;
}

.icon:nth-child(6n) {
    animation-delay: 2.5s;
}

/* Simple style for icons */
.icon.simple {
    width: 100px;
    padding: 25px 20px;
    transition: all 0.5s ease;
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.7),
        0 4px 12px rgba(0, 100, 0, 0.6),
        0 2px 8px rgba(128, 0, 128, 0.5),
        0 0 12px rgba(0, 0, 139, 0.4);
    animation: iconFloat 5s ease-in-out infinite;
}

.icon.simple:hover {
    transform: translateY(-15px) scale(1.12);
    box-shadow: 
        0 12px 30px rgba(0, 0, 0, 0.9),
        0 8px 20px rgba(0, 100, 0, 0.8),
        0 4px 12px rgba(128, 0, 128, 0.7),
        0 0 35px rgba(0, 0, 139, 0.6),
        0 0 20px rgba(0, 100, 0, 0.5);
    animation-play-state: paused;
}

.icon:hover {
    transform: translateY(-20px) scale(1.15);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 1.0),
        0 15px 35px rgba(0, 100, 0, 0.9),
        0 10px 25px rgba(128, 0, 128, 0.8),
        0 5px 15px rgba(0, 0, 139, 0.8),
        0 0 50px rgba(0, 100, 0, 0.7),
        0 0 30px rgba(128, 0, 128, 0.6);
    animation-play-state: paused;
}

.icon img {
    width: 75px;
    height: 75px;
    object-fit: contain;
    margin-bottom: 18px;
    filter: drop-shadow(0 0 20px var(--neon-blue)) brightness(1.2);
    border-radius: 18px;
    transition: all 0.5s ease;
    position: relative;
    z-index: 2;
}

.icon:hover img {
    filter: drop-shadow(0 0 30px var(--neon-blue)) brightness(1.4) contrast(1.3);
    transform: scale(1.2) rotate(5deg);
}

.icon p {
    color: var(--neon-blue);
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    margin: 0;
    text-shadow: 0 0 12px var(--neon-blue);
    font-weight: 600;
    transition: all 0.5s ease;
    position: relative;
    z-index: 2;
    letter-spacing: 1.5px;
}

.icon:hover p {
    color: var(--neon-purple);
    text-shadow: 0 0 18px var(--neon-purple), 0 0 30px var(--neon-purple);
    transform: scale(1.15);
    letter-spacing: 2.5px;
    font-weight: 700;
}

/* ===== TASKBAR HACKER ULTRA ===== */
#taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: 
        linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(10, 10, 10, 0.98) 100%);
    backdrop-filter: blur(30px) saturate(1.5);
    border-top: 4px solid var(--hacker-green);
    border-radius: 25px 25px 0 0;
    box-shadow: 
        0 -10px 40px 0 rgba(0,0,0,0.6), 
        0 0 40px 0 var(--hacker-green),
        0 0 60px 0 rgba(0, 255, 65, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 45px;
    z-index: 1000;
    animation: taskbarHackerGlow 3s infinite alternate;
    transition: all 0.5s ease;
    opacity: 0;
}

/* Style simple pour la taskbar */
#taskbar.simple {
    background: 
        linear-gradient(180deg, rgba(0, 0, 0, 0.98) 0%, rgba(10, 10, 10, 0.95) 100%);
    border-top: 3px solid var(--hacker-green);
    border-radius: 0;
    box-shadow: 
        0 -5px 20px rgba(0, 255, 65, 0.4),
        0 0 30px rgba(0, 255, 65, 0.2);
    animation: none;
    height: 70px;
    padding: 0 30px;
}

@keyframes taskbarHackerGlow {
    0% { 
        box-shadow: 0 -10px 40px 0 rgba(0,0,0,0.6), 0 0 40px 0 var(--hacker-green), 0 0 60px 0 rgba(0, 255, 65, 0.3);
        border-top-color: var(--hacker-green);
    }
    50% { 
        box-shadow: 0 -15px 60px 0 rgba(0,0,0,0.7), 0 0 60px 0 var(--neon-blue), 0 0 80px 0 rgba(0, 247, 255, 0.4);
        border-top-color: var(--neon-blue);
    }
    100% { 
        box-shadow: 0 -10px 40px 0 rgba(0,0,0,0.6), 0 0 40px 0 var(--hacker-green), 0 0 60px 0 rgba(0, 255, 65, 0.3);
        border-top-color: var(--hacker-green);
    }
}

.taskbar-btn {
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid transparent;
    cursor: pointer;
    padding: 16px;
    border-radius: 18px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px 0 rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
}

.taskbar-btn::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--hacker-green) 0%, transparent 80%);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.7);
    transition: opacity 0.4s, width 0.4s, height 0.4s, filter 0.4s;
    z-index: 0;
    pointer-events: none;
    filter: blur(8px);
}

.taskbar-btn:hover::after {
    width: 140px;
    height: 140px;
    opacity: 0.25;
    filter: blur(15px) brightness(1.3);
}

.taskbar-btn:hover {
    background: rgba(0, 255, 65, 0.15);
    border-color: var(--hacker-green);
    transform: translateY(-8px) scale(1.15);
    box-shadow: 
        0 12px 40px 0 var(--hacker-green), 
        0 0 40px 0 var(--neon-blue),
        0 0 60px 0 rgba(0, 255, 65, 0.4);
}

.taskbar-btn img {
    width: 36px;
    height: 36px;
    filter: invert(1) sepia(1) hue-rotate(120deg) saturate(8) brightness(1.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.taskbar-btn:hover img {
    filter: invert(1) sepia(1) hue-rotate(120deg) saturate(15) brightness(1.5) drop-shadow(0 0 20px var(--hacker-green));
    transform: scale(1.25) rotate(5deg);
}

/* Informations utilisateur dans la taskbar */
.user-info {
    display: flex;
    align-items: center;
    gap: 30px;
    color: white;
    font-family: 'Share Tech Mono', monospace;
    font-weight: 700;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 15px;
    border: 2px solid transparent;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.user-info:hover {
    border-color: var(--hacker-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.username {
    color: var(--hacker-green);
    font-weight: 900;
    text-shadow: 0 0 12px var(--hacker-green), 0 0 20px var(--hacker-green);
    font-size: 18px;
    letter-spacing: 2px;
}

.time {
    color: var(--neon-blue);
    font-weight: 700;
    text-shadow: 0 0 12px var(--neon-blue), 0 0 20px var(--neon-blue);
    font-size: 18px;
    letter-spacing: 1px;
}

/* ===== ULTRA APPLICATION WINDOWS ===== */
.app-window {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 90%;
    max-width: 1200px;
    height: 85%;
    max-height: 800px;
    background: var(--card-bg);
    border: 2px solid var(--neon-blue);
    border-radius: 16px;
    box-shadow: 
        0 0 40px rgba(0, 247, 255, 0.3),
        0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 500;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.app-header {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
    color: black;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    border-bottom: 2px solid rgba(0, 247, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: headerShine 3s infinite;
}

@keyframes headerShine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.app-header h3 {
    margin: 0;
    font-size: 18px;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: black;
    font-size: 22px;
    cursor: pointer;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.1) rotate(90deg);
}

.app-content {
    padding: 25px;
    height: calc(100% - 80px);
    overflow-y: auto;
    color: white;
    font-family: 'Rajdhani', sans-serif;
    background: rgba(0, 0, 0, 0.2);
}

/* ===== ADDITIONAL HACKER EFFECTS ===== */

/* Icon floating animation with color gradient */
@keyframes iconFloat {
    0% { 
        transform: translateY(0px); 
        box-shadow: 
            0 8px 25px rgba(0, 0, 0, 0.8),
            0 6px 18px rgba(0, 100, 0, 0.7),
            0 4px 12px rgba(128, 0, 128, 0.6),
            0 2px 8px rgba(0, 0, 139, 0.6),
            0 0 15px rgba(0, 100, 0, 0.5);
    }
    25% { 
        transform: translateY(-4px); 
        box-shadow: 
            0 12px 35px rgba(0, 0, 0, 0.9),
            0 10px 25px rgba(128, 0, 128, 0.8),
            0 8px 18px rgba(0, 0, 139, 0.7),
            0 6px 12px rgba(0, 100, 0, 0.6),
            0 0 20px rgba(128, 0, 128, 0.6);
    }
    50% { 
        transform: translateY(-8px); 
        box-shadow: 
            0 15px 40px rgba(0, 0, 0, 1.0),
            0 12px 30px rgba(0, 0, 139, 0.8),
            0 10px 20px rgba(0, 100, 0, 0.7),
            0 8px 15px rgba(128, 0, 128, 0.6),
            0 0 25px rgba(0, 0, 139, 0.7);
    }
    75% { 
        transform: translateY(-4px); 
        box-shadow: 
            0 12px 35px rgba(0, 0, 0, 0.9),
            0 10px 25px rgba(0, 100, 0, 0.8),
            0 8px 18px rgba(128, 0, 128, 0.7),
            0 6px 12px rgba(0, 0, 139, 0.6),
            0 0 20px rgba(0, 100, 0, 0.6);
    }
    100% { 
        transform: translateY(0px); 
        box-shadow: 
            0 8px 25px rgba(0, 0, 0, 0.8),
            0 6px 18px rgba(0, 100, 0, 0.7),
            0 4px 12px rgba(128, 0, 128, 0.6),
            0 2px 8px rgba(0, 0, 139, 0.6),
            0 0 15px rgba(0, 100, 0, 0.5);
    }
}

/* Glitch effect on icons */
.icon:hover {
    animation: iconGlitch 0.4s ease-in-out;
}

@keyframes iconGlitch {
    0%, 100% { transform: translateY(-20px) scale(1.15); }
    10% { transform: translateY(-20px) scale(1.15) translateX(-3px); }
    20% { transform: translateY(-20px) scale(1.15) translateX(3px); }
    30% { transform: translateY(-20px) scale(1.15) translateX(-2px); }
    40% { transform: translateY(-20px) scale(1.15) translateX(2px); }
    50% { transform: translateY(-20px) scale(1.15) translateX(-1px); }
    60% { transform: translateY(-20px) scale(1.15) translateX(1px); }
}

/* Effet de pulsation sur la taskbar */
#taskbar::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--hacker-green), var(--neon-blue), var(--neon-purple));
    animation: taskbarPulse 2s ease-in-out infinite;
    z-index: 2;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    #desktop-icons {
        gap: 35px;
        padding: 50px;
    }
    
    .icon {
        width: 100px;
        padding: 25px 20px;
    }
    
    .icon img {
        width: 60px;
        height: 60px;
    }
    
    .icon p {
        font-size: 12px;
    }
    
    .app-window {
        width: 95%;
        height: 85%;
    }
    
    .user-info {
        gap: 20px;
        font-size: 16px;
        padding: 10px 20px;
    }
    
    #taskbar {
        height: 70px;
        padding: 0 30px;
    }
    
    .taskbar-btn {
        padding: 12px;
    }
    
    .taskbar-btn img {
        width: 28px;
        height: 28px;
    }
}