:root {
    --bg-color: #050a06;
    --card-bg: #0b140b;
    --border-color: #102610;
    --neon-green: #00ff66;
    --neon-glow: rgba(0, 255, 102, 0.35);
    --text-color: #e2fce2;
    --text-muted: #7fa87f;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Educational Overlay */
.splash-screen {
    position: fixed;
    inset: 0;
    background-color: #f5f3e9;
    background-image: radial-gradient(#e2decb 1px, transparent 1px);
    background-size: 24px 24px;
    color: #162424;
    display: flex;
    flex-direction: column;
    z-index: 999999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s ease;
    font-family: 'Plus Jakarta Sans', sans-serif;
    padding: 32px 90px;
    overflow-y: auto;
}

.splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.lh-navbar { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-bottom: 48px; }
.lh-brand { display: flex; align-items: center; gap: 12px; }
.lh-logo-badge { background: #004b87; color: #ffffff; width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0, 75, 135, 0.25); }
.lh-logo-badge .material-icons { font-size: 20px; }
.lh-logo-text { font-weight: 800; font-size: 1.35rem; color: #162424; letter-spacing: -0.5px; }
.lh-logo-accent { color: #004b87; }
.lh-nav-right { display: flex; align-items: center; gap: 24px; }
.lh-tagline { font-size: 0.85rem; color: #526363; font-weight: 500; }
.lh-pill-btn { background: #ffffff; border: 1px solid #d8d4c4; padding: 8px 18px; border-radius: 24px; font-size: 0.85rem; font-weight: 600; color: #162424; display: flex; align-items: center; gap: 8px; box-shadow: 0 2px 6px rgba(0,0,0,0.03); }
.btn-icon { font-size: 18px; color: #004b87; }
.lh-badge { background: #004b87; color: #fff; width: 20px; height: 20px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; }
.lh-hero { max-width: 720px; margin-top: 10px; }
.lh-badge-pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(0, 75, 135, 0.08); border: 1px solid rgba(0, 75, 135, 0.15); padding: 6px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.5px; color: #004b87; margin-bottom: 24px; }
.pulse-dot { width: 8px; height: 8px; background-color: #004b87; border-radius: 50%; display: inline-block; box-shadow: 0 0 0 rgba(0, 75, 135, 0.4); animation: pulse 2s infinite; }

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 75, 135, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(0, 75, 135, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 75, 135, 0); }
}

.lh-headline { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 4rem; line-height: 1.08; color: #162424; margin-bottom: 20px; font-weight: 800; letter-spacing: -1.5px; }
.italic-serif { font-family: 'DM Serif Display', serif; font-weight: 400; font-style: italic; color: #004b87; }
.lh-subtext { font-size: 1.05rem; line-height: 1.65; color: #435454; margin-bottom: 36px; max-width: 620px; }
.lh-search-card { background: #ffffff; border: 1px solid #e0dccb; border-radius: 20px; padding: 24px; box-shadow: 0 12px 32px rgba(22, 36, 36, 0.06); max-width: 640px; }
.lh-search-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.lh-search-label { font-size: 0.85rem; font-weight: 700; color: #162424; }
.lh-status-tag { font-size: 0.75rem; color: #526363; font-weight: 600; background: #f5f3e9; padding: 3px 8px; border-radius: 6px; }
.lh-search-box { background: #fcfbf7; border: 1.5px solid #d8d4c4; border-radius: 14px; padding: 6px 6px 6px 16px; display: flex; align-items: center; margin-bottom: 16px; }
.lh-search-icon { color: #8c9c9c; margin-right: 10px; font-size: 1.3rem; }
.lh-search-box input { border: none; outline: none; background: transparent; flex: 1; font-size: 0.95rem; color: #162424; font-family: 'Plus Jakarta Sans', sans-serif; }
.lh-submit-btn { background: #004b87; color: #ffffff; border: none; padding: 10px 20px; border-radius: 10px; font-weight: 700; font-size: 0.85rem; display: flex; align-items: center; gap: 6px; font-family: 'Plus Jakarta Sans', sans-serif; }
.arrow-icon { font-size: 16px; }
.lh-chip-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chip-label { font-size: 0.75rem; font-weight: 600; color: #728282; }
.topic-chip { background: #f0ede1; color: #334444; font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 12px; }

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: rgba(5, 10, 6, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-glow);
    text-decoration: none;
    cursor: pointer;
    letter-spacing: -0.5px;
}

.nav-logo { width: 44px; height: 44px; object-fit: contain; }

.nav-search {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 255, 102, 0.03);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 30px;
    width: 320px;
    transition: all 0.3s ease;
}

.nav-search:focus-within { border-color: var(--neon-green); box-shadow: 0 0 12px var(--neon-glow); }
.nav-search input { background: transparent; border: none; outline: none; color: var(--text-color); font-size: 0.9rem; width: 100%; }

.settings-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.settings-btn:hover { border-color: var(--neon-green); color: var(--neon-green); box-shadow: 0 0 10px var(--neon-glow); }

/* Hero Section with Logo + Typewriter */
.typewriter-hero {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
    padding: 24px 28px;
    background: rgba(11, 20, 11, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: inset 0 0 20px rgba(0, 255, 102, 0.02);
}

.hero-brand-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.hero-logo {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.portal-heading {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--neon-green);
    text-shadow: 0 0 15px var(--neon-glow);
    letter-spacing: -1px;
    line-height: 1;
}

.typewriter-container {
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.4;
    display: flex;
    align-items: center;
    border-left: 2px solid var(--border-color);
    padding-left: 20px;
}

.typewriter-cursor {
    color: var(--neon-green);
    font-weight: 700;
    margin-left: 2px;
    animation: blink 0.8s infinite;
}

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

/* 4 Option Hub Cards */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.option-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.3s ease;
}

.option-card:hover {
    transform: translateY(-6px);
    border-color: var(--neon-green);
    box-shadow: 0 8px 24px var(--neon-glow);
}

.option-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 255, 102, 0.08);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon-green);
}

.option-icon-wrapper .material-icons { font-size: 24px; }

.option-content h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-color); margin-bottom: 4px; }
.option-content p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

/* Subsections & Dynamic View Containers */
.section-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.back-pill-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.back-pill-btn:hover { border-color: var(--neon-green); color: var(--neon-green); }

.placeholder-card {
    background: var(--card-bg);
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    padding: 60px 20px;
    text-align: center;
}

.large-icon { font-size: 48px; color: var(--text-muted); margin-bottom: 12px; }

.proxy-frame-container {
    width: 100%;
    height: 75vh;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.proxy-frame-container iframe { width: 100%; height: 100%; border: none; }

/* Main Container */
.main-container { max-width: 1400px; margin: 0 auto; padding: 32px; }

/* Tabs Bar */
.tabs-bar { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 16px; margin-bottom: 32px; scrollbar-width: none; }
.tabs-bar::-webkit-scrollbar { display: none; }
.tab-btn { background: var(--card-bg); border: 1px solid var(--border-color); color: var(--text-muted); padding: 8px 20px; border-radius: 20px; font-size: 0.85rem; font-weight: 500; cursor: pointer; white-space: nowrap; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.tab-btn:hover { color: var(--text-color); border-color: rgba(0, 255, 102, 0.4); }
.tab-btn.active { background: rgba(0, 255, 102, 0.1); color: var(--neon-green); border-color: var(--neon-green); box-shadow: 0 0 12px var(--neon-glow); }

/* Game Grid */
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.game-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 16px; overflow: hidden; cursor: pointer; display: flex; flex-direction: column; animation: fadeInUp 0.4s ease forwards; transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; }
.game-card:hover { transform: translateY(-6px); border-color: var(--neon-green); box-shadow: 0 8px 24px var(--neon-glow); }
.game-thumb { width: 100%; aspect-ratio: 1; object-fit: cover; background: #020503; }
.game-info { padding: 14px; display: flex; flex-direction: column; gap: 4px; }
.game-title { font-size: 0.95rem; font-weight: 600; color: var(--text-color); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.game-category { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* Integrated Single-Page Player View */
.player-shell { position: fixed; inset: 0; width: 100vw; height: 100vh; display: flex; flex-direction: column; background: var(--bg-color); z-index: 5000; }
.game-hud { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 16px; background: rgba(11, 20, 11, 0.85); backdrop-filter: blur(12px); border: 1px solid #102610; padding: 8px 20px; border-radius: 40px; z-index: 5001; box-shadow: 0 4px 20px var(--neon-glow); }
.hud-title { font-size: 0.9rem; font-weight: 600; color: var(--text-color); }
.hud-btn { background: transparent; border: 1px solid #102610; color: var(--text-color); width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; }
.hud-btn:hover { border-color: var(--neon-green); color: var(--neon-green); box-shadow: 0 0 8px var(--neon-glow); }
.frame-container { flex: 1; width: 100%; height: 100%; border: none; background: #000; }
.frame-container iframe { width: 100%; height: 100%; border: none; display: block; }

/* Modal Overlay & Settings */
.modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; z-index: 6000; }
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 20px; width: min(500px, 90vw); padding: 28px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6); transform: scale(0.95); transition: transform 0.3s ease; }
.modal-overlay.active .modal-card { transform: scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.close-btn { background: transparent; border: none; color: var(--text-muted); cursor: pointer; }
.close-btn:hover { color: var(--neon-green); }
.modal-body { display: flex; flex-direction: column; gap: 20px; }
.setting-item { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border-color); }
.setting-item:last-child { border-bottom: none; padding-bottom: 0; }
.setting-text { display: flex; flex-direction: column; }
.setting-text strong { font-size: 0.95rem; font-weight: 500; }
.setting-text span { font-size: 0.75rem; color: var(--text-muted); }
.setting-select, .keybind-btn { background: rgba(0, 255, 102, 0.05); border: 1px solid var(--border-color); color: var(--text-color); padding: 8px 12px; border-radius: 8px; outline: none; cursor: pointer; font-size: 0.85rem; }
.setting-select option { background: var(--bg-color); }
.keybind-btn.listening { border-color: var(--neon-green); box-shadow: 0 0 10px var(--neon-glow); }
input[type="range"] { accent-color: var(--neon-green); width: 130px; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }