:root {
    --pip-green: #4CFF7A;
    --pip-green-dim: #2a5c33;
    --pip-green-dark: #1a3c22;
    --pip-bg: #0a0a0a;
    --pip-bg-panel: #0f120f;
    --pip-glow: 0 0 10px rgba(76, 255, 122, 0.5);
    --pip-text-glow: 0 0 4px rgba(76, 255, 122, 0.4);
    --border-width: 2px;
    --scanline-color: rgba(0, 0, 0, 0.5);
    --font-stack: "Consolas", "Monaco", "Menlo", "Courier New", monospace;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: #050505;
    background-image: radial-gradient(circle at center, #111 0%, #000 100%);
    color: var(--pip-green);
    font-family: var(--font-stack);
    height: 100vh;
    overflow: hidden; /* Prevent page scroll, internal scroll only */
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1.5;
    -webkit-font-smoothing: none;
}

/* Device Container */
.device-container {
    width: 95vw;
    height: 90vh;
    max-width: 1200px;
    background-color: #1a1a1a;
    border-radius: 20px;
    padding: 20px;
    position: relative;
    box-shadow: 
        inset 0 0 20px #000,
        0 0 50px rgba(0,0,0,0.8);
    border: 4px solid #333;
    display: flex;
    flex-direction: column;
    /* Initial state for turn-on animation */
    opacity: 0;
    transform: scale(0.9);
    filter: brightness(0);
    animation: turnOn 1.5s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

/* Screen (CRT) */
.device-screen {
    background-color: var(--pip-bg);
    border-radius: 4px; /* Slight CRT curve */
    border: 2px solid var(--pip-green-dim);
    height: 100%;
    width: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
    /* Ensure content is above radar */
    isolation: isolate;
}

.screen-content, .screen-header, .pip-tabs, .screen-footer, .pipboy-wrapper {
    z-index: 10;
    position: relative;
}

/* Effects Overlay */
.screen-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle, rgba(76, 255, 122, 0.05) 0%, rgba(0, 0, 0, 0.4) 90%);
    pointer-events: none;
    z-index: 100;
}

.scanlines {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0),
        rgba(255,255,255,0) 50%,
        rgba(0,0,0,0.2) 50%,
        rgba(0,0,0,0.2)
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 99;
    opacity: 0.6;
}

/* Radar Sweep Animation */
.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%; /* Large enough to cover screen but contained by overflow:hidden on parent */
    height: 150%;
    background: conic-gradient(
        from 0deg, 
        transparent 0deg, 
        rgba(76, 255, 122, 0.05) 300deg, 
        rgba(76, 255, 122, 0.15) 360deg
    );
    transform: translate(-50%, -50%) rotate(0deg);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1; /* Behind content but inside screen */
    animation: radarSpin 4s linear infinite;
}

@keyframes radarSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* CRT Power On Animation */
@keyframes turnOn {
    0% {
        transform: scale(1, 0.002) skewX(0deg);
        opacity: 0;
        filter: brightness(0);
    }
    20% {
        transform: scale(1, 0.002) skewX(0deg);
        opacity: 1;
        filter: brightness(2);
    }
    50% {
        transform: scale(1, 0.002) skewX(0deg);
        filter: brightness(5);
    }
    60% {
        transform: scale(1, 1) skewX(0deg);
        filter: brightness(1);
    }
    100% {
        transform: scale(1, 1) skewX(0deg);
        opacity: 1;
        filter: brightness(1);
    }
}

/* Flicker Animation (Existing) */
@keyframes flicker {
    0% { opacity: 0.98; }
    5% { opacity: 0.95; }
    10% { opacity: 0.98; }
    100% { opacity: 0.98; }
}

.device-screen {
    animation: flicker 4s infinite;
}

@media (prefers-reduced-motion: reduce) {
    .device-screen, .status-dot, .cursor-block, .scanning-anim, .pipboy-char, .device-container, .radar-sweep {
        animation: none !important;
    }
}

/* Typography Base */
h1, h2, h3, h4 {
    text-transform: uppercase;
    font-weight: bold;
    text-shadow: var(--pip-text-glow);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    text-shadow: 0 0 2px rgba(76, 255, 122, 0.2);
}

/* Header */
.screen-header {
    display: flex;
    justify-content: space-between;
    padding: 10px 15px;
    border-bottom: 2px solid var(--pip-green);
    background: var(--pip-green-dark);
    color: var(--pip-green);
    font-weight: bold;
    text-transform: uppercase;
    flex-shrink: 0;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--pip-green);
    border-radius: 50%;
    margin-left: 5px;
    box-shadow: var(--pip-glow);
    animation: pulse 1s infinite steps(2, start); /* Digital blink */
}

@keyframes pulse {
    0% { background-color: var(--pip-green); box-shadow: 0 0 10px var(--pip-green); opacity: 1; }
    50% { background-color: #000; box-shadow: none; opacity: 0.3; }
    100% { background-color: var(--pip-green); box-shadow: 0 0 10px var(--pip-green); opacity: 1; }
}

/* Navigation Tabs */
.pip-tabs {
    display: flex;
    justify-content: center; /* Centered icons */
    border-bottom: 2px solid var(--pip-green-dim);
    background: #000;
    overflow-x: auto; /* Scroll on very small screens */
    flex-shrink: 0;
}

.pip-tabs button, .pip-tabs a {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-right: 1px solid var(--pip-green-dim);
    border-left: 1px solid var(--pip-green-dim);
    color: var(--pip-green-dim);
    padding: 15px 30px; /* Larger hit area */
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.5;
    margin: 0 -1px; /* Overlap borders */
}

.pip-tabs button svg, .pip-tabs a svg {
    display: block;
    width: 28px;
    height: 28px;
    stroke-width: 2.5;
    filter: drop-shadow(0 0 2px rgba(76, 255, 122, 0.2));
}

.pip-tabs button:hover, .pip-tabs a:hover {
    background: var(--pip-green-dark);
    color: var(--pip-green);
}

.pip-tabs button:hover svg, .pip-tabs a:hover svg {
    filter: drop-shadow(0 0 5px var(--pip-green));
}

.pip-tabs button.active, .pip-tabs button[aria-selected="true"], .pip-tabs a.active {
    background: var(--pip-green);
    color: #000;
    box-shadow: 0 0 15px var(--pip-green);
    z-index: 10; /* Bring active tab to front */
}

/* Main Content */
.screen-content {
    flex-grow: 1;
    overflow-y: auto; /* Internal scrolling */
    padding: 20px;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: var(--pip-green) #000;
}

.screen-content::-webkit-scrollbar {
    width: 8px;
}

.screen-content::-webkit-scrollbar-track {
    background: #000;
}

.screen-content::-webkit-scrollbar-thumb {
    background-color: var(--pip-green);
    border: 1px solid #000;
}

.panel {
    display: none;
    max-width: 800px;
    margin: 0 auto;
    animation: fade-in 0.3s ease-in-out;
}

.panel.active {
    display: block;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    border-bottom: 2px solid var(--pip-green);
    margin-bottom: 20px;
    padding-bottom: 5px;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* Modules */
.module {
    border: 1px solid var(--pip-green-dim);
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(0, 20, 0, 0.3);
    position: relative;
}

.module-title {
    position: absolute;
    top: -10px;
    left: 10px;
    background: var(--pip-bg);
    padding: 0 5px;
    font-size: 0.8rem;
    color: var(--pip-green-dim);
    text-transform: uppercase;
}

/* Components */
.btn {
    background: transparent;
    border: 2px solid var(--pip-green);
    color: var(--pip-green);
    font-family: var(--font-stack);
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    margin-right: 10px;
    margin-bottom: 10px;
    transition: all 0.2s;
    text-shadow: var(--pip-text-glow);
    box-shadow: inset 0 0 5px rgba(76, 255, 122, 0.2);
}

.btn:hover {
    background: var(--pip-green);
    color: #000;
    box-shadow: var(--pip-glow);
}

.primary-btn {
    font-weight: bold;
}

.secondary-btn {
    border-color: var(--pip-green-dim);
    color: var(--pip-green-dim);
}

.secondary-btn:hover {
    border-color: var(--pip-green);
    color: #000;
}

/* Specific Tab Styles */

/* STATUS */
.hero-section {
    margin-bottom: 30px;
}

.glitch-text {
    font-size: 2rem;
    line-height: 1.2;
}

.failure-list ul {
    list-style: none;
    margin: 10px 0;
}

.failure-list li {
    margin-bottom: 5px;
    color: #ff4c4c; /* Reddish for error */
    text-shadow: 0 0 4px rgba(255, 76, 76, 0.4);
}

.terminal-line {
    margin-top: 10px;
    border-top: 1px dashed var(--pip-green-dim);
    padding-top: 10px;
    font-style: italic;
}

.kpi-strip {
    display: flex;
    justify-content: space-between;
    border: 1px solid var(--pip-green);
    padding: 10px;
    margin-bottom: 20px;
    background: var(--pip-green-dark);
    flex-wrap: wrap;
    gap: 10px;
}

.kpi {
    font-weight: bold;
    font-size: 0.9rem;
}

/* DATA */
.terminal-log-container {
    border: 2px solid var(--pip-green-dim);
    background: #000;
    margin: 20px 0;
}

.log-header {
    background: var(--pip-green-dim);
    color: #000;
    padding: 5px 10px;
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copy-btn {
    background: none;
    border: none;
    color: #000;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    font-size: 0.8rem;
}

.copy-btn:hover {
    text-decoration: underline;
}

.terminal-log {
    padding: 15px;
    height: 200px;
    overflow-y: auto;
    font-size: 0.9rem;
    white-space: pre-wrap;
}

.log-entry {
    margin-bottom: 8px;
}

.timestamp {
    color: var(--pip-green-dim);
}

.cursor-block {
    display: inline-block;
    width: 10px;
    height: 15px;
    background: var(--pip-green);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

@keyframes blink {
    50% { opacity: 0; }
}

.cta-box {
    border: 2px solid var(--pip-green);
    padding: 20px;
    text-align: center;
    margin-top: 30px;
    background: rgba(76, 255, 122, 0.05);
}

/* MAP */
.process-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.process-step {
    border: 1px solid var(--pip-green-dim);
    padding: 15px;
    position: relative;
}

.step-num {
    position: absolute;
    top: -10px;
    right: 10px;
    background: #000;
    padding: 0 5px;
    color: var(--pip-green-dim);
    font-weight: bold;
}

.process-step h3 {
    color: var(--pip-green);
    border-bottom: 1px solid var(--pip-green-dim);
    padding-bottom: 5px;
}

/* SYSTEM */
.compare-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0; /* Connected */
    margin-top: 30px;
    border: 2px solid var(--pip-green);
}

.col {
    padding: 20px;
}

.their-builds {
    border-right: 2px solid var(--pip-green);
    background: rgba(255, 0, 0, 0.05);
}

.their-builds h4 {
    color: #ff4c4c;
}

.their-builds ul li {
    list-style-type: square;
    color: #ffaaaa;
}

.our-builds {
    background: rgba(76, 255, 122, 0.05);
}

.our-builds h4 {
    color: var(--pip-green);
}

.our-builds ul li {
    list-style-type: square;
}

.anchor-line {
    margin-top: 20px;
    font-weight: bold;
    text-align: center;
    border-top: 1px dashed var(--pip-green-dim);
    padding-top: 10px;
}

/* ACCESS */
.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-group {
    display: flex;
    gap: 10px;
    margin: 15px 0;
}

input[type="text"] {
    flex-grow: 1;
    background: #000;
    border: 2px solid var(--pip-green-dim);
    color: var(--pip-green);
    font-family: var(--font-stack);
    padding: 10px;
    outline: none;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
}

input[type="text"]:focus {
    border-color: var(--pip-green);
    box-shadow: 0 0 5px var(--pip-green);
}

.hidden {
    display: none !important;
}

.scan-output {
    background: #000;
    border: 1px dashed var(--pip-green);
    padding: 10px;
    font-size: 0.9rem;
    margin-top: 10px;
    min-height: 100px;
}

.result-row {
    margin-bottom: 5px;
}

.result-row.fail { color: #ff4c4c; }
.result-row.warn { color: #ffb000; }

.scan-summary {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--pip-green-dim);
    font-style: italic;
}

/* FAQ */
.faq-list details {
    margin-bottom: 15px;
    border: 1px solid var(--pip-green-dim);
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.faq-list summary {
    font-weight: bold;
    list-style: none; /* Hide default triangle */
    position: relative;
    padding-left: 20px;
}

.faq-list summary::before {
    content: "[+]";
    position: absolute;
    left: 0;
    color: var(--pip-green-dim);
}

.faq-list details[open] summary::before {
    content: "[-]";
    color: var(--pip-green);
}

.faq-list details[open] summary {
    color: var(--pip-green);
    margin-bottom: 10px;
}

/* Footer */
.screen-footer {
    border-top: 2px solid var(--pip-green);
    background: var(--pip-green-dark);
    color: var(--pip-green);
    padding: 5px 15px;
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
    flex-shrink: 0;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-window {
    background: #000;
    border: 2px solid var(--pip-green);
    width: 90%;
    max-width: 400px;
    box-shadow: 0 0 20px var(--pip-green);
}

.modal-header {
    background: var(--pip-green);
    color: #000;
    padding: 5px 10px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
}

.modal-content {
    padding: 20px;
    text-align: center;
}

.close-modal {
    background: none;
    border: none;
    font-weight: bold;
    cursor: pointer;
}

/* PIPBOY CHARACTER */
.pipboy-wrapper {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 120px; /* Adjust size as needed */
    height: auto;
    pointer-events: none; /* Let clicks pass through if it overlaps anything interactive */
    z-index: 50;
    opacity: 0.9;
}

.pipboy-char {
    width: 100%;
    height: auto;
    /* Optional bobbing animation */
    animation: bob 3s ease-in-out infinite;
}

/* Only show on larger screens where there is space */
@media (max-width: 1000px) {
    .pipboy-wrapper {
        display: none;
    }
}

@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}


/* Responsive */
@media (max-width: 768px) {
    .device-container {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        border: none;
        padding: 0;
    }
    
    .device-screen {
        border-radius: 0;
        border: none;
    }
    
    .process-grid, .compare-panel, .access-grid {
        grid-template-columns: 1fr;
    }

    .compare-panel {
        gap: 10px;
        border: none;
    }
    
    .their-builds {
        border-right: none;
        border: 2px solid #ff4c4c;
    }
    
    .our-builds {
        border: 2px solid var(--pip-green);
    }
    
    .pip-tabs button, .pip-tabs a {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .kpi-strip {
        flex-direction: column;
        align-items: center;
    }

    .input-group {
        flex-direction: column;
    }

    .input-group button {
        width: 100%;
    }
}