/* --- GLOBAL VARIABLES --- */
:root {
    --bg-color: #030303;
    --neon-green: #f5f5f5;
    --amber: #FF3131;
    --soft-gray: #FF3131;
    --dark-gray: #A9A9A9;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --glow-green: 0 0 3px rgba(255, 255, 255, 0.5);
    --glow-amber: 0 0 3px rgba(255, 0, 0, 0.4);
    --transition-fast: 0.15s ease;
}

/* --- RESET & BASE --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 60px; /* Space for bottom CLI */
}

/* Custom Selection */
::selection {
    background: var(--neon-green);
    color: var(--bg-color);
}

/* --- UTILITY CLASSES --- */
.hidden { display: none !important; }
.neon-green { color: var(--neon-green); text-shadow: var(--glow-green); }
.amber { color: var(--amber); text-shadow: var(--glow-amber); }
.soft-gray { color: var(--soft-gray); }

/* --- CRT EFFECTS --- */
.crt-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), 
                linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 3px, 3px 100%;
    z-index: 9998;
    pointer-events: none;
}

.flicker-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255,255,255,0.02);
    opacity: 0;
    z-index: 9997;
    pointer-events: none;
    animation: crt-flicker 0.15s infinite;
}

@keyframes crt-flicker {
    0% { opacity: 0.01; }
    50% { opacity: 0.04; }
    100% { opacity: 0.01; }
}

.blinking-cursor {
    display: inline-block;
    width: 10px;
    height: 1.2em;
    background-color: var(--neon-green);
    vertical-align: middle;
    animation: blink 1s step-end infinite;
    box-shadow: var(--glow-green);
}

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

/* --- BOOT SCREEN --- */
#boot-screen {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-color);
    padding: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

#boot-text div {
    margin-bottom: 0.5rem;
    color: var(--soft-gray);
}

/* --- LAYOUT & NAV --- */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    position: sticky;
    top: 0;
    background: #030303;
    border-bottom: 1px solid var(--dark-gray);
    z-index: 100;
    backdrop-filter: blur(4px);
}

.nav-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-prompt { color: var(--amber); }

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-link, .cmd-btn, .cmd-link {
    color: var(--neon-green);
    text-decoration: none;
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-link:hover, .cmd-btn:hover, .cmd-link:hover, .nav-link.active {
    background-color: var(--neon-green);
    color: var(--bg-color);
    text-shadow: none;
    box-shadow: var(--glow-green);
}

/* --- SECTIONS --- */
section {
    margin: 6rem 0;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-prompt {
    color: var(--amber);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }

.ascii-divider {
    color: var(--dark-gray);
    letter-spacing: -1px;
    overflow: hidden;
    white-space: nowrap;
    margin: 1.5rem 0;
}

ul { list-style: none; }

/* Experience */
.exp-entry { margin-bottom: 2rem; }
.exp-entry ul li { margin-bottom: 0.3rem; color: var(--soft-gray); }

/* Portfolio */
.interactive-list { margin-top: 1rem; }
.portfolio-item {
    display: block;
    width: 100%;
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    color: var(--neon-green);
    font-family: inherit;
    font-size: 1.1rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.portfolio-item:hover, .portfolio-item:focus {
    border: 1px dashed var(--neon-green);
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.skill-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--soft-gray);
}

/* Projects */
.text-project {
    margin-bottom: 2.5rem;
    border-left: 2px solid var(--dark-gray);
    padding-left: 1rem;
}
.text-project:hover { border-left-color: var(--neon-green); }

/* Contact Form */
.terminal-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
input, textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--dark-gray);
    color: var(--neon-green);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}
input:focus, textarea:focus {
    outline: none;
    border-bottom-color: var(--neon-green);
    box-shadow: 0 1px 0 var(--neon-green);
}
#form-response { margin-top: 1rem; }

/* --- TUI MODAL --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.modal-window {
    width: 90%;
    max-width: 600px;
    background: var(--bg-color);
    border: 2px solid var(--neon-green);
    box-shadow: var(--glow-green);
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    background: var(--neon-green);
    color: var(--bg-color);
    padding: 0.2rem 0.5rem;
    font-weight: bold;
}

.modal-header button {
    background: transparent;
    border: none;
    color: var(--bg-color);
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
}
.modal-header button:hover { background: var(--bg-color); color: var(--neon-green); }

.modal-body { padding: 1.5rem; }

.modal-img-placeholder {
    width: 100%;
    height: 150px;
    border: 1px dashed var(--amber);
    color: var(--amber);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.modal-footer {
    padding: 0.5rem 1.5rem;
    border-top: 1px dashed var(--dark-gray);
    font-size: 0.85rem;
    color: var(--soft-gray);
}

/* --- BOTTOM CLI --- */
#cli-container {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--bg-color);
    border-top: 1px solid var(--dark-gray);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 100;
}

.cli-prompt { color: var(--amber); }

#cli-input {
    flex-grow: 1;
    border: none;
    background: transparent;
    color: var(--neon-green);
    font-size: 1rem;
}
#cli-input:focus { box-shadow: none; border: none; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.2rem; }
    .nav-container { padding: 1rem; }
    .container { padding: 1rem; }
    .skills-grid { grid-template-columns: 1fr; }
}

footer {
    padding: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    a:link { color: red;}
    a:visited {color: orange;}
    a:hover {color:orangered;}
    a:active {color:white;}
}