/* ═══════════════════════════════════════════════════════════════════════════
   TERMINAL PORTFOLIO - PREMIUM PHOSPHOR THEME
   ═══════════════════════════════════════════════════════════════════════════ */

/* 1. VARIABLES & TOKENS */
:root {
    /* Colors - P3 Color Space if supported, fallback to sRGB */
    --term-green-ultra: #6aff6a;    /* Highlight/Bloom center */
    --term-green-bright: #00ff41;   /* Primary Text */
    --term-green: #008f11;          /* Dimmed/Secondary */
    --term-green-dark: #003b00;     /* Borders/Backgrounds */
    --term-bg: #050a05;             /* Deepest Green-Black */
    --term-bg-glare: rgba(0, 255, 65, 0.03);
    
    /* Accents */
    --term-cyan: #00ffff;
    --term-yellow: #fdfd96;
    --term-red: #ff5555;
    
    /* Effects */
    --glow-strong: 0 0 10px var(--term-green-bright), 0 0 20px var(--term-green-bright);
    --glow-soft: 0 0 8px rgba(0, 255, 65, 0.6);
    --glow-text: 0 0 4px rgba(0, 255, 65, 0.5);
    
    /* Fonts */
    --font-stack: 'Fira Code', 'Share Tech Mono', 'Courier New', monospace;
}

/* 2. BASE RESET & TYPOGRAPHY */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--term-green) var(--term-bg);
}

html {
    height: 100%;
    font-size: 16px;
}

body {
    background-color: #000;
    color: var(--term-green-bright);
    font-family: var(--font-stack);
    line-height: 1.6;
    height: 100%;
    margin: 0;
    overflow: hidden; /* Main scroll handles by terminal-body */
    -webkit-font-smoothing: antialiased;
}

/* 3. CRT SCREEN CONTAINER & EFFECTS */
.crt {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--term-bg);
    overflow: hidden;
    z-index: 1;
}

/* Vignette (Curved corners shadow) */
.crt::before {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: radial-gradient(circle, rgba(18, 16, 16, 0) 60%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 100;
    pointer-events: none;
}

/* Scanlines */
.scanline {
    width: 100%;
    height: 100px;
    z-index: 99;
    background: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0, 255, 65, 0.04) 50%, rgba(0,0,0,0) 100%);
    opacity: 0.1;
    position: absolute;
    bottom: 100%;
    animation: scanline 10s linear infinite;
    pointer-events: none;
}

/* Fine Grid Lines */
.crt::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: 
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%), 
        linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    z-index: 98;
    background-size: 100% 3px, 3px 100%;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

@keyframes scanline {
    0% { bottom: 100%; }
    100% { bottom: -100px; }
}

@keyframes flicker {
    0% { opacity: 0.95; }
    50% { opacity: 0.92; }
    100% { opacity: 0.96; }
}

/* Text Flicker / Chromatic Aberration Simulation */
@keyframes text-flicker {
    0% { opacity: 0.98; text-shadow: 2px 0 rgba(255,0,0,0.2), -2px 0 rgba(0,0,255,0.2); }
    5% { opacity: 0.95; text-shadow: 1px 0 rgba(255,0,0,0.2), -1px 0 rgba(0,0,255,0.2); }
    100% { opacity: 1; text-shadow: 1px 0 2px var(--term-green-bright); }
}

/* 4. TERMINAL WINDOW */
.terminal {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 1000px;
    height: 85vh;
    border: 1px solid var(--term-green);
    background: rgba(5, 10, 5, 0.85);
    box-shadow: 
        0 0 30px rgba(0, 255, 65, 0.1),
        inset 0 0 20px rgba(0, 255, 65, 0.05);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    z-index: 50;
    backdrop-filter: blur(5px);
}

/* Header */
.terminal-header {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: rgba(0, 59, 0, 0.3);
    border-bottom: 1px solid var(--term-green);
    gap: 15px;
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.terminal-buttons span:hover { opacity: 1; filter: brightness(1.2); }
.btn-close { background: #ff5f56; box-shadow: 0 0 5px #ff5f56; }
.btn-minimize { background: #ffbd2e; box-shadow: 0 0 5px #ffbd2e; }
.btn-maximize { background: #27ca40; box-shadow: 0 0 5px #27ca40; }

.terminal-title {
    font-size: 0.9rem;
    color: var(--term-green-ultra);
    text-shadow: 0 0 5px var(--term-green-bright);
    flex-grow: 1;
    text-align: center;
    letter-spacing: 1px;
}

.terminal-menu {
    display: flex;
    gap: 15px;
}

.menu-item {
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--term-green);
    padding: 4px 8px;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.menu-item:hover {
    color: var(--term-green-ultra);
    text-shadow: 0 0 8px var(--term-green-bright);
    border: 1px solid var(--term-green);
    background: rgba(0, 255, 65, 0.1);
    transform: translateY(-1px);
}

.menu-item.active {
    color: var(--term-bg);
    background: var(--term-green-bright);
    box-shadow: 0 0 10px var(--term-green-bright);
    font-weight: bold;
}

/* Body */
.terminal-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    text-shadow: var(--glow-text);
}

/* Scrollbar Styling */
.terminal-body::-webkit-scrollbar {
    width: 10px;
}
.terminal-body::-webkit-scrollbar-track {
    background: rgba(0, 20, 0, 0.5);
    border-left: 1px solid var(--term-green-dark);
}
.terminal-body::-webkit-scrollbar-thumb {
    background: var(--term-green);
    border: 1px solid var(--term-green-bright);
    box-shadow: 0 0 5px var(--term-green);
}
.terminal-body::-webkit-scrollbar-thumb:hover {
    background: var(--term-green-bright);
}

/* 5. CONTENT SECTIONS */
.section {
    display: none;
    animation: fadeIn 0.4s ease-out;
}
.section.active { display: block; }

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

/* ASCII Art */
.ascii-art {
    font-size: 10px;
    line-height: 10px;
    color: var(--term-green-bright);
    white-space: pre;
    margin-bottom: 2rem;
    text-align: center;
    text-shadow: var(--glow-soft);
    animation: glow-pulse 3s infinite alternate;
}

@keyframes glow-pulse {
    from { text-shadow: 0 0 5px var(--term-green-bright); }
    to { text-shadow: 0 0 15px var(--term-green-bright); }
}

/* Boot Sequence */
.boot-text p {
    margin-bottom: 0.5rem;
    border-left: 2px solid transparent;
    padding-left: 10px;
}
.boot-text p.success { border-left-color: var(--term-green-bright); }

/* Command Lines */
.prompt {
    color: var(--term-cyan);
    margin: 1rem 0 0.5rem;
    font-weight: bold;
}
.prompt::before {
    content: "$";
    margin-right: 10px;
    color: var(--term-green-bright);
}

.output-block {
    background: rgba(0, 255, 65, 0.05);
    border-left: 2px solid var(--term-green);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0 4px 4px 0;
}

/* 6. COMPONENTS */

/* Tables / Box Drawings */
.info-box, .file-tree, .tech-grid, .cert-list {
    white-space: pre;
    line-height: 1.4;
    color: var(--term-green-bright);
    opacity: 0.9;
}

/* Skills */
.skill-item {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}
.skill-name {
    width: 150px;
    font-weight: bold;
}
.skill-bar {
    flex: 1;
    height: 12px;
    background: rgba(0, 50, 0, 0.5);
    border: 1px solid var(--term-green);
    margin: 0 15px;
    position: relative;
    overflow: hidden;
}
.skill-fill {
    height: 100%;
    background: var(--term-green-bright);
    box-shadow: 0 0 10px var(--term-green-bright);
    width: 0;
    transition: width 1s cubic-bezier(0.1, 0.9, 0.2, 1);
}
.skill-percent {
    width: 40px;
    text-align: right;
    font-weight: bold;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.project-card {
    border: 1px solid var(--term-green);
    background: rgba(0, 40, 0, 0.3);
    padding: 1rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    border-color: var(--term-green-ultra);
    box-shadow: inset 0 0 20px rgba(0, 255, 65, 0.2);
    transform: translateY(-5px);
}

.project-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.1), transparent);
    transition: left 0.5s;
}

.project-card:hover::before {
    left: 100%;
}

.status-badge {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.8rem;
    padding: 2px 6px;
    border: 1px solid currentColor;
}
.status-badge.in-dev { color: var(--term-yellow); border-color: var(--term-yellow); }
.status-badge.completed { color: var(--term-green-bright); border-color: var(--term-green-bright); }

/* Links */
.link, .project-link {
    color: var(--term-cyan);
    text-decoration: none;
    border-bottom: 1px dotted var(--term-cyan);
    transition: all 0.2s;
}
.link:hover, .project-link:hover {
    color: var(--term-green-ultra);
    border-bottom-style: solid;
    text-shadow: 0 0 8px var(--term-cyan);
}

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    color: var(--term-green-bright);
    margin-bottom: 0.5rem;
}
.form-group input, .form-group textarea {
    width: 100%;
    background: rgba(0, 20, 0, 0.8);
    border: 1px solid var(--term-green);
    color: var(--term-green-bright);
    padding: 10px;
    font-family: inherit;
    font-size: 1rem;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--term-green-ultra);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.submit-btn {
    background: transparent;
    border: 2px solid var(--term-green-bright);
    color: var(--term-green-bright);
    padding: 10px 20px;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.submit-btn:hover {
    background: var(--term-green-bright);
    color: #000;
    box-shadow: 0 0 20px var(--term-green-bright);
}

/* Command Input Footer */
.command-input-area {
    margin-top: auto;
    padding: 15px;
    border-top: 1px solid var(--term-green);
    background: rgba(0, 20, 0, 0.8);
    display: flex;
    align-items: center;
}

.input-prompt { margin-right: 10px; color: var(--term-green-bright); text-shadow: 0 0 5px var(--term-green-bright); }

.command-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--term-green-ultra);
    font-family: inherit;
    font-size: 1rem;
    caret-color: transparent; /* Custom cursor used */
}
.command-input:focus { outline: none; }

.cursor-blink {
    display: inline-block;
    width: 10px;
    height: 1.2rem;
    background: var(--term-green-bright);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

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

/* Matrix Background Canvas */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
    opacity: 0.15;
}

/* Colors for specific text classes */
.highlight { color: var(--term-cyan); }
.success { color: var(--term-green-bright); }
.warning { color: var(--term-yellow); }
.error { color: var(--term-red); }

/* Mobile Responsive */
@media (max-width: 768px) {
    .terminal {
        width: 100%;
        height: 100%;
        border-radius: 0;
        border: none;
    }
    .terminal-header { padding: 5px; flex-wrap: wrap; }
    .terminal-menu { display: none; } /* Hide menu on mobile, rely on commands? Or stack them? */
    /* Let's stack them for usability */
    .terminal-menu { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; width: 100%; }
    .menu-item { font-size: 0.7rem; }
    
    .ascii-art { font-size: 6px; line-height: 6px; }
    .project-card { margin-bottom: 2rem; }
    .projects-grid { grid-template-columns: 1fr; }
}