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

body {
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    color: #e0e0e0;
    background: #0a0a0a;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(180deg, transparent 0%, rgba(255, 0, 128, 0.05) 50%, transparent 100%),
        repeating-linear-gradient(0deg, rgba(0, 255, 255, 0.03) 0px, transparent 1px, transparent 2px, rgba(0, 255, 255, 0.03) 3px);
    pointer-events: none;
    z-index: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(20, 20, 40, 0.95) 0%, rgba(10, 10, 20, 0.95) 100%);
    border-radius: 0;
    box-shadow: 
        0 0 60px rgba(255, 0, 128, 0.3),
        0 0 100px rgba(0, 255, 255, 0.2),
        inset 0 0 60px rgba(255, 0, 128, 0.05);
    overflow: hidden;
    border: 2px solid rgba(0, 255, 255, 0.3);
    position: relative;
    z-index: 2;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        #ff0080 0%, 
        #ff0080 20%, 
        #ff8c00 40%, 
        #00ffff 60%, 
        #8000ff 80%, 
        #ff0080 100%);
}

.language-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.lang-btn {
    width: 45px;
    height: 45px;
    background: rgba(0, 255, 255, 0.1);
    border: 2px solid rgba(0, 255, 255, 0.5);
    cursor: pointer;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.lang-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
}

.lang-btn.active {
    background: rgba(255, 0, 128, 0.3);
    border-color: #ff0080;
    box-shadow: 0 0 25px rgba(255, 0, 128, 0.6);
}

header {
    background: linear-gradient(135deg, rgba(255, 0, 128, 0.2) 0%, rgba(0, 255, 255, 0.2) 100%);
    color: #00ffff;
    /* padding: 80px 40px; */
    text-align: center;
    position: relative;
    border-bottom: 2px solid rgba(0, 255, 255, 0.5);
    padding-top: 40px;
    padding-bottom: 40px;
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ff0080, #00ffff, #ff0080, transparent);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
}

h1 {
    font-size: 3em;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 
        0 0 10px #00ffff,
        0 0 20px #00ffff,
        0 0 30px #ff0080,
        2px 2px 0px rgba(255, 0, 128, 0.5);
    letter-spacing: 3px;
}

.subtitle {
    font-size: 1.5em;
    color: #ff0080;
    font-weight: 400;
    text-shadow: 0 0 10px rgba(255, 0, 128, 0.8);
    letter-spacing: 2px;
}

.contact-info {
    margin-top: 60px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 15px 30px;
    font-family: 'Consolas', monospace;
    font-size: 1em;
    letter-spacing: 1px;
}

.contact-info span, .contact-info a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s, text-shadow 0.3s;
    word-break: break-all;
}

.contact-info a {
    color: #00ffff;
}

.contact-info a:hover {
    color: #fff;
    text-shadow: 0 0 10px #00ffff, 0 0 15px #ff0080;
}

.content {
    padding: 60px 40px;
}

section {
    margin-bottom: 60px;
    position: relative;
}

.aboutme_section {
    margin-left: 20px;    
}

.aboutme_section li {
    padding-left: 5px;
    margin-left: 30px;
}
.aboutme_section span {
    font-weight: bold;
}


.lang-content {
    display: none;
}

.lang-content.active {
    display: block;
}

h2 {
    color: #00ffff;
    font-size: 2em;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid #ff0080;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
    letter-spacing: 2px;
    position: relative;
}

h2::before {
    content: '> ';
    color: #ff0080;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 3px;
    background: #00ffff;
    box-shadow: 0 0 10px #00ffff;
}

.about-text {
    font-size: 1.1em;
    color: #b0b0b0;
    line-height: 1.9;
    text-align: justify;
    font-family: 'Consolas', 'Courier New', monospace;
    background: rgba(0, 255, 255, 0.05);
    padding: 25px;
    border-left: 3px solid #00ffff;
    box-shadow: inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.experience-item {
    margin-bottom: 40px;
    padding: 25px;
    border-left: 4px solid #ff0080;
    background: linear-gradient(135deg, rgba(255, 0, 128, 0.05) 0%, rgba(0, 255, 255, 0.05) 100%);
    position: relative;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 0, 128, 0.2);
}

.experience-item:hover {
    background: linear-gradient(135deg, rgba(255, 0, 128, 0.1) 0%, rgba(0, 255, 255, 0.1) 100%);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.3);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.company {
    font-size: 1.4em;
    font-weight: 600;
    color: #00ffff;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
}

.period {
    color: #ff0080;
    font-weight: 600;
    text-shadow: 0 0 5px rgba(255, 0, 128, 0.5);
    font-family: 'Consolas', monospace;
}

.location {
    color: #8000ff;
    font-style: italic;
    margin-bottom: 10px;
}

.description {
    color: #b0b0b0;
    line-height: 1.8;
    font-family: 'Consolas', 'Courier New', monospace;
}

.education-item {
    margin-bottom: 30px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(128, 0, 255, 0.1) 0%, rgba(0, 255, 255, 0.1) 100%);
    border-radius: 0;
    border-left: 4px solid #8000ff;
    border-right: 1px solid rgba(0, 255, 255, 0.3);
}

.education-item:hover {
    box-shadow: 0 0 30px rgba(128, 0, 255, 0.4);
}

.degree {
    font-size: 1.3em;
    font-weight: 600;
    color: #00ffff;
    margin-bottom: 8px;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
}

.institution {
    color: #ff8c00;
    font-weight: 500;
    margin-bottom: 5px;
}

.status {
    color: #888;
    font-style: italic;
    font-size: 0.95em;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 25px;
}

.skill-tag {
    background: linear-gradient(135deg, rgba(255, 0, 128, 0.3) 0%, rgba(0, 255, 255, 0.3) 100%);
    color: #00ffff;
    padding: 12px 24px;
    border-radius: 0;
    font-weight: 500;
    border: 2px solid rgba(0, 255, 255, 0.5);
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
    font-family: 'Consolas', monospace;
    box-shadow: 0 0 15px rgba(255, 0, 128, 0.3);
}

.skill-tag:hover {
    background: linear-gradient(135deg, rgba(255, 0, 128, 0.5) 0%, rgba(0, 255, 255, 0.5) 100%);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
}

footer {
    background: rgba(10, 10, 20, 0.9);
    color: #00ffff;
    text-align: center;
    padding: 40px;
    font-size: 0.95em;
    border-top: 2px solid rgba(255, 0, 128, 0.5);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ff0080, #00ffff, #ff0080, transparent);
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.8);
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header {
        padding: 50px 20px;
    }
    
    h1 {
        font-size: 2.2em;
    }
    
    .subtitle {
        font-size: 1.2em;
    }
    
    .content {
        padding: 40px 20px;
    }
    
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .skill-tag {
        font-size: 0.9em;
    }
    
    .language-selector {
        top: 10px;
        right: 10px;
        gap: 5px;
    }
    
    .lang-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

::selection {
    background: rgba(255, 0, 128, 0.5);
    color: #00ffff;
}

/*
-- Mobile Simulation Toggle/Checkbox --
*/
.mobile-toggle-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
    background: #333;
    padding: 10px 15px;
    border-radius: 4px;
    display: none ; /*flex;*/
    align-items: center;
    color: #fff;
    border: 1px solid #555;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.mobile-toggle-container label {
    margin-left: 10px;
    cursor: pointer;
    font-size: 0.9em;
    display: none;
}

/*
-- Mobile Simulation Popup/Modal (The 'Popup' Mode) --
*/
.mobile-simulation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999; 
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s, visibility 0.3s;
}

.mobile-simulation-overlay.active {
    visibility: visible;
    opacity: 1;
}

.mobile-simulation-window {
    /* Desktop/Modal size - larger and more like a window */
    width: 800px;
    max-width: 95vw;
    height: 600px;
    max-height: 95vh;
    
    background: #000;
    border: 2px solid #555; /* Main border */
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2), 0 0 50px rgba(138, 43, 226, 0.1); /* Neon-style shadow */
    overflow: hidden;
    position: relative;
    
    display: flex;
    flex-direction: column;
    
    /* Window corners styling based on image */
    border-radius: 4px;
}

.mobile-frame-header {
    background: #222; /* Dark header background */
    color: #00FFFF; /* Neon cyan text for title */
    padding: 10px 15px;
    border-bottom: 2px solid #00FFFF; /* Bright cyan border */
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    flex-shrink: 0; /* Prevents shrinking */
}

/* Navigation and Title Alignment for Mobile Popup */
.mobile-frame-header-content {
    display: flex;
    align-items: center;
    flex-grow: 1;
}

.mobile-frame-header-content .nav-button {
    margin-right: 10px;
}

#mobileSimulationTitle {
    letter-spacing: 2px;
    flex-grow: 1;
}

.mobile-simulation-close {
    background: #FF0077; /* Neon pink/magenta for close button */
    color: #FFF;
    border: none;
    padding: 6px 12px;
    border-radius: 2px;
    cursor: pointer;
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 5px rgba(255, 0, 119, 0.5);
    letter-spacing: 1px;
    flex-shrink: 0;
}

.mobile-simulation-close:hover {
    background: #FF3399;
    box-shadow: 0 0 10px #FF3399;
}

.mobile-simulation-window iframe {
    flex-grow: 1;
    width: 100%;
    border: none;
    background: #111; /* Iframe content background */
    /* Removed internal radius to let the header and iframe fill the window */
}

.portfolio-container {
    display: flex;
    gap: 30px;
    margin-top: 25px;
}

.tree-view {
    flex: 0 0 400px;
    min-width: 300px;
}

.content-frame-container {
    flex: 1;
    min-height: 500px;
    background: #1e1e1e;
    border: 1px solid #555;
    border-radius: 0;
    overflow: hidden;
    display: none;
    height: fit-content;
}

.content-frame-container.active {
    display: block;
}

.frame-header {
    background: #333;
    padding: 15px 20px;
    border-bottom: 1px solid #555;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


/* Navigation Buttons Styling */
.frame-header-nav {
    display: flex;
    align-items: center;
    gap: 10px; /* Space between the button group and title */
}

.nav-button {
    background: #555;
    color: #fff;
    border: 1px solid #888;
    padding: 4px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: bold;
    transition: background 0.2s, border-color 0.2s;
}

.nav-button:hover:not(:disabled) {
    background: #777;
}

.nav-button:disabled {
    background: #333;
    color: #666;
    border-color: #444;
    cursor: not-allowed;
}


.frame-title {
    color: #00ffff;
    font-weight: 600;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
}

.frame-close {
    background: rgba(255, 0, 128, 0.3);
    border: 2px solid #ff0080;
    color: #ff0080;
    padding: 5px 15px;
    cursor: pointer;
    font-family: 'Consolas', monospace;
    font-weight: bold;
}

.frame-close:hover {
    background: rgba(255, 0, 128, 0.5);
    box-shadow: 0 0 15px rgba(255, 0, 128, 0.6);
}

.content-frame {
    width: 100%;
    height: 600px;
    border: none;
    background: white;
}

.tree-view {
    margin-top: 25px;
}

.tree-item {
    margin-left: 0;
    list-style: none;
}

.tree-item ul {
    margin-left: 25px;
    list-style: none;
}

.tree-label {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: #b0b0b0;
    cursor: pointer;
    font-family: 'Consolas', 'Courier New', monospace;
    border-left: 2px solid transparent;
    position: relative;
}

.tree-toggle {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
    color: #ff0080;
    font-weight: bold;
    font-size: 1.2em;
    flex-shrink: 0;
}

.tree-label:hover {
    background: linear-gradient(90deg, rgba(0, 255, 255, 0.1) 0%, transparent 100%);
    border-left-color: #00ffff;
}

.tree-folder .tree-label {
    color: #00ffff;
    font-weight: 600;
}

.tree-file .tree-label {
    color: #ff8c00;
    cursor: pointer;
}

.tree-file .tree-label:hover {
    background: linear-gradient(90deg, rgba(255, 140, 0, 0.2) 0%, transparent 100%);
    border-left-color: #ff8c00;
}

.tree-file.selected .tree-label {
    background: linear-gradient(90deg, rgba(255, 0, 128, 0.3) 0%, transparent 100%);
    border-left-color: #ff0080;
}

.tree-icon {
    margin-right: 8px;
    font-size: 1.1em;
}

.tree-children {
    display: none;
}

.tree-children.expanded {
    display: block;
}

/* Glitch Effect */
.glitch-text {
    position: relative;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5), 0 0 10px rgba(0, 255, 255, 0.5);
    animation: text-flicker 0.1s infinite alternate;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip: rect(0, 0, 0, 0);
}

.glitch-text::before {
    left: 2px;
    text-shadow: -1px 0 #ff0080;
    background: #2b2744;
    /*animation: glitch-anim-1 2s infinite linear alternate-reverse;
    */
}

.glitch-text::after {
    left: -2px;
    text-shadow: 1px 0 #00ffff;
    background: #2b2744;
    /*animation: glitch-anim-2 3s infinite linear alternate;
*/
    }

@keyframes text-flicker {
    0% { opacity: 0.95; }
    5% { opacity: 0.8; }
    10% { opacity: 1; }
    20% { opacity: 0.75; }
    25% { opacity: 1; }
    30% { opacity: 0.9; }
    100% { opacity: 1; }
}

@keyframes glitch-anim-1 {
    0% { clip: rect(44px, 9999px, 12px, 0); }
    10% { clip: rect(10px, 9999px, 80px, 0); }
    20% { clip: rect(60px, 9999px, 7px, 0); }
    30% { clip: rect(10px, 9999px, 45px, 0); }
    40% { clip: rect(70px, 9999px, 22px, 0); }
    50% { clip: rect(22px, 9999px, 55px, 0); }
    60% { clip: rect(35px, 9999px, 10px, 0); }
    70% { clip: rect(38px, 9999px, 32px, 0); }
    80% { clip: rect(15px, 9999px, 64px, 0); }
    90% { clip: rect(57px, 9999px, 11px, 0); }
    100% { clip: rect(12px, 9999px, 10px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(20px, 9999px, 80px, 0); }
    15% { clip: rect(70px, 9999px, 10px, 0); }
    30% { clip: rect(10px, 9999px, 90px, 0); }
    45% { clip: rect(55px, 9999px, 22px, 0); }
    60% { clip: rect(10px, 9999px, 44px, 0); }
    75% { clip: rect(32px, 9999px, 8px, 0); }
    90% { clip: rect(64px, 9999px, 15px, 0); }
    100% { clip: rect(11px, 9999px, 87px, 0); }
}