/* =====================================================================
   DoomRL Agent — Game Console HUD Style Sheet
   Aesthetics: Sleek cybernetic dark-mode, neon accents, CRT scanlines
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Press+Start+2P&family=Share+Tech+Mono&display=swap');

:root {
    --bg-color: #050505;
    --panel-bg: rgba(15, 15, 15, 0.9);
    --panel-border: #1a1a1a;
    
    /* Neon accents */
    --doom-red: #FF2400;
    --doom-red-glow: rgba(255, 36, 0, 0.3);
    
    --terminal-green: #00FF41;
    --terminal-green-glow: rgba(0, 255, 65, 0.35);
    
    --accent-blue: #00BFFF;
    --accent-blue-glow: rgba(0, 191, 255, 0.3);
}

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

body {
    background-color: var(--bg-color);
    color: #e0e0e0;
    font-family: 'Inter', sans-serif;
    padding: 20px;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* ── CRT SCANLINE OVERLAY (CSS ONLY) ────────────────────────────────── */
body::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0; left: 0; bottom: 0; right: 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));
    aspect-ratio: auto;
    background-size: 100% 4px, 6px 100%;
    pointer-events: none;
    z-index: 9999;
}

/* Subtle CRT Flicker */
@keyframes flicker {
    0% { opacity: 0.978; }
    50% { opacity: 0.995; }
    100% { opacity: 0.982; }
}

.crt-flicker {
    animation: flicker 0.15s infinite;
}

/* ── TYPOGRAPHY UTILITIES ────────────────────────────────────────────── */
h1, h2, h3, h4 {
    font-family: 'Press Start 2P', monospace;
    text-shadow: 0 0 10px var(--doom-red-glow);
}

.hud-font {
    font-family: 'Share Tech Mono', monospace;
}

/* ── PAGE LAYOUT ─────────────────────────────────────────────────────── */
.container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* ── PANEL HUD BORDERS ───────────────────────────────────────────────── */
.hud-panel {
    background-color: var(--panel-bg);
    border: 2px solid var(--panel-border);
    border-radius: 4px;
    padding: 20px;
    position: relative;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.8);
}

.hud-panel::before {
    content: '';
    position: absolute;
    top: -2px; left: 10px; right: 10px; height: 2px;
    background: var(--doom-red);
    box-shadow: 0 0 8px var(--doom-red);
}

.hud-panel.green-glow::before {
    background: var(--terminal-green);
    box-shadow: 0 0 8px var(--terminal-green);
}

/* ── HERO BANNER ────────────────────────────────────────────────────── */
.hero-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-bottom: 3px double var(--doom-red);
    padding: 40px 20px;
}

.hero-title {
    color: var(--doom-red);
    font-size: 2.2rem;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.hero-tagline {
    font-family: 'Share Tech Mono', monospace;
    color: var(--terminal-green);
    font-size: 1.2rem;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.hero-showcase-container {
    width: 100%;
    max-width: 800px;
    border: 3px solid var(--panel-border);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 20px rgba(0,0,0,0.8);
}

.hero-showcase-gif {
    width: 100%;
    display: block;
    image-rendering: pixelated;
}

/* ── SCENARIO SELECTOR ───────────────────────────────────────────────── */
.selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.level-card {
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.level-card:hover {
    border-color: var(--doom-red);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--doom-red-glow);
}

.level-card.active {
    border-color: var(--terminal-green);
    box-shadow: 0 0 15px var(--terminal-green-glow);
}

.level-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.level-difficulty {
    color: var(--doom-red);
    font-size: 0.75rem;
}

.level-title {
    font-size: 0.95rem;
    color: #ffffff;
}

.level-stat-row {
    display: flex;
    justify-content: space-between;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.95rem;
    margin: 6px 0;
    border-bottom: 1px dotted #222;
    padding-bottom: 3px;
}

.level-stat-value {
    color: var(--terminal-green);
}

/* ── PLOTLY CHARTS PANEL ─────────────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.chart-container {
    height: 400px;
    background-color: rgba(5, 5, 5, 0.5);
    border: 1px solid #1f1f1f;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.chart-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
}

.chart-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.btn-cyber {
    background: transparent;
    border: 1px solid var(--terminal-green);
    color: var(--terminal-green);
    padding: 8px 16px;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.65rem;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s ease;
}

.btn-cyber:hover {
    background-color: var(--terminal-green-glow);
    box-shadow: 0 0 10px var(--terminal-green);
}

/* ── VIDEO COMPARISON PLAYER ─────────────────────────────────────────── */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

.video-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.video-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #888;
}

.video-label span {
    color: var(--doom-red);
}

.video-player {
    width: 100%;
    max-width: 550px;
    border: 2px solid var(--panel-border);
    background-color: #000;
    border-radius: 2px;
}

.btn-compare-container {
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

/* ── NEURAL NETWORK ARCHITECTURE PANEL ────────────────────────────────── */
.net-visualizer {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 45px 15px;
    background: linear-gradient(180deg, rgba(10,10,10,0.8), rgba(5,5,5,0.95));
    border-radius: 4px;
    border: 1px solid #1a1a1a;
    overflow-x: auto;
}

.net-layer {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    min-width: 120px;
}

.net-box {
    width: 90px;
    height: 90px;
    border: 2px solid var(--accent-blue);
    background-color: rgba(0, 191, 255, 0.05);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 12px var(--accent-blue-glow);
    margin-bottom: 12px;
    position: relative;
}

.net-box.input-box {
    border-color: var(--terminal-green);
    background-color: rgba(0, 255, 65, 0.05);
    box-shadow: 0 0 12px var(--terminal-green-glow);
}

.net-box.output-box {
    border-color: var(--doom-red);
    background-color: rgba(255, 36, 0, 0.05);
    box-shadow: 0 0 12px var(--doom-red-glow);
}

.net-box-title {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 4px;
}

.net-box-dims {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    color: #888;
}

.net-arrow {
    font-size: 1.5rem;
    color: #444;
    font-family: 'Share Tech Mono', monospace;
    animation: flowPulse 1.5s infinite;
}

@keyframes flowPulse {
    0% { color: #333; transform: scale(1); }
    50% { color: var(--accent-blue); transform: scale(1.1); }
    100% { color: #333; transform: scale(1); }
}

/* ── CITATION CARD ──────────────────────────────────────────────────── */
.citation-box {
    border-left: 3px solid var(--doom-red);
    padding-left: 15px;
    margin-top: 15px;
    font-family: 'Share Tech Mono', monospace;
    background-color: rgba(5,5,5,0.4);
    padding: 15px;
    border-radius: 2px;
}

/* ── TECHNICAL SPECS TABLE ───────────────────────────────────────────── */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem;
}

.specs-table td {
    padding: 10px;
    border-bottom: 1px solid #1a1a1a;
}

.specs-table tr:last-child td {
    border-bottom: none;
}

.specs-label {
    color: #888;
}

.specs-value {
    text-align: right;
    color: var(--terminal-green);
}