/* IMPORT RETRO FONT */
@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

:root {
    --phosphor-main: #18ff6d; /* Classic Fallout 3/4 Pip-Boy Green */
    --phosphor-dim: #0f8f42;
    --screen-bg: #0d120f; /* Very dark green/black */
    --scanline-color: rgba(0, 0, 0, 0.5);
    --bezel-color: #111;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: #000;
    font-family: 'VT323', monospace;
    height: 100vh;
    overflow: hidden; /* Prevents scrollbars from breaking the CRT effect */
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--phosphor-main);
}

/* --- CRT SCREEN CONTAINER --- */
.terminal-wrapper {
    width: 95vw;
    height: 90vh;
    max-width: 1000px;
    background-color: var(--screen-bg);
    border-radius: 20px;
    position: relative;
    box-shadow: 
        0 0 0 10px var(--bezel-color),
        inset 0 0 100px rgba(0,0,0,0.9); /* Vignette */
    padding: 40px;
    overflow-y: auto; /* Allow scrolling inside the screen */
    border: 2px solid #333;
}

/* --- ANIMATED OVERLAYS --- */

/* 1. Moving Scanline */
.scanline {
    width: 100%;
    height: 100px;
    z-index: 10;
    background: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(24, 255, 109, 0.1) 50%, rgba(0,0,0,0) 100%);
    opacity: 0.1;
    position: absolute;
    bottom: 100%;
    pointer-events: none;
    animation: scanline 10s linear infinite;
}

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

/* 2. CRT Flicker & Lines */
.screen-overlay {
    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% 2px, 3px 100%;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0% { opacity: 0.97; }
    50% { opacity: 1; }
    100% { opacity: 0.98; }
}

/* --- TEXT STYLING --- */
h1, h2, h3, p, a, li {
    text-shadow: 0 0 4px var(--phosphor-dim), 0 0 2px var(--phosphor-main);
    text-transform: uppercase;
}

a {
    color: var(--phosphor-main);
    text-decoration: none;
    border-bottom: 1px dashed var(--phosphor-main);
}
a:hover {
    background-color: var(--phosphor-main);
    color: var(--screen-bg);
}

/* --- BOOT SEQUENCE --- */
#boot-sequence {
    font-size: 1.5rem;
    padding-top: 20%;
    text-align: left;
}
.loading::after {
    content: " .";
    animation: dots 1s steps(5, end) infinite;
}
@keyframes dots {
    0%, 20% { content: " ."; }
    40% { content: " .."; }
    60% { content: " ..."; }
    80%, 100% { content: ""; }
}

/* --- PIP-BOY INTERFACE --- */

/* Header */
.pip-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 2px solid var(--phosphor-main);
    padding-bottom: 5px;
    margin-bottom: 20px;
}
.pip-header h1 {
    font-size: 3rem;
    margin: 0;
    line-height: 1;
}
.header-decoration {
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    text-align: right;
}
.header-decoration:first-child {
    text-align: left;
}

/* Tabs */
.pip-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
.tab-btn {
    background: transparent;
    border: 1px solid var(--phosphor-dim);
    color: var(--phosphor-dim);
    font-family: 'VT323', monospace;
    font-size: 1.2rem;
    padding: 5px 20px;
    cursor: pointer;
    flex-grow: 1;
    text-shadow: none;
    transition: all 0.2s;
}
.tab-btn:hover, .tab-btn.active {
    background-color: var(--phosphor-main);
    color: var(--screen-bg);
    border-color: var(--phosphor-main);
    box-shadow: 0 0 10px var(--phosphor-main);
}

/* Content Area */
.content-area {
    min-height: 300px;
    position: relative;
}

.tab-content {
    display: none; /* Hidden by default */
    opacity: 0;
    transition: opacity 0.5s ease-in;
}
.tab-content.active {
    opacity: 1;
    display: block;
}

/* Hero Section */
.hero-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 30px;
}
.ship-container {
    width: 200px;
    height: 200px;
    border: 2px dashed var(--phosphor-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 4s ease-in-out infinite;
    background: radial-gradient(circle, rgba(24,255,109,0.1) 0%, rgba(0,0,0,0) 70%);
}

.ship-image {
    width: 70%;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 5px var(--phosphor-main));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Typewriter effect for text */
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: .15em solid var(--phosphor-main);
    animation: 
        typing 3.5s steps(40, end),
        blink-caret .75s step-end infinite;
    max-width: fit-content;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}
@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--phosphor-main); }
}

.green-list {
    list-style: square;
}

.holotape-box {
    border: 1px solid var(--phosphor-main);
    padding: 15px;
    background: rgba(24, 255, 109, 0.05);
    margin: 20px 0;
}

/* Footer */
.pip-footer {
    margin-top: 30px;
    border-top: 2px solid var(--phosphor-main);
    padding-top: 10px;
    overflow: hidden;
    white-space: nowrap;
}

.scrolling-text span {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 15s linear infinite;
}

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

/* Responsive adjustments */
@media (max-width: 600px) {
    .pip-header h1 { font-size: 2rem; }
    .terminal-wrapper { padding: 15px; width: 100vw; height: 100vh; border: none; border-radius: 0; }
    .hero-section { flex-direction: column; }
}