@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Orbitron:wght@400;600;700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --theme-color: #4f8eff;
    --theme-glow: rgba(79, 142, 255, 0.35);
    --theme-subtle: rgba(79, 142, 255, 0.08);
    --bg-deep: #020408;
    --bg-mid: #060d18;
    --bg-surface: #0a1628;
    --text-primary: #e8f0ff;
    --text-secondary: #7a9bc4;
    --text-muted: #3d5478;
    --border: rgba(79, 142, 255, 0.15);
    --star-color: #ffffff;
}

.daily-challenge-box {
    margin: 0 auto 20px;
    max-width: 600px;
    padding: 15px;
    background: rgba(156, 39, 176, 0.15);
    border-left: 4px solid #9c27b0;
    text-align: left;
    border-radius: 4px;
}

.daily-challenge-title {
    color: #e8c4f2;
    font-family: 'Orbitron', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.daily-challenge-desc {
    margin-top: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

#quiz-container {
    margin: 20px auto;
    max-width: 600px;
    text-align: center;
}

#quiz-question {
    margin-bottom: 20px;
}

#quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#quiz-score {
    margin-top: 20px;
    font-size: 1.2rem;
    font-weight: bold;
}

body.theme-home    { --theme-color: #4f8eff; --theme-glow: rgba(79,142,255,0.4);  --bg-deep: #020408; --bg-mid: #060d18; }
body.theme-mercure { --theme-color: #c0a080; --theme-glow: rgba(192,160,128,0.4); --bg-deep: #0c0906; --bg-mid: #1a1008; }
body.theme-venus   { --theme-color: #ff9230; --theme-glow: rgba(255,146,48,0.4);  --bg-deep: #0d0600; --bg-mid: #1e0e00; }
body.theme-terre   { --theme-color: #00cfff; --theme-glow: rgba(0,207,255,0.4);   --bg-deep: #010b10; --bg-mid: #031520; }
body.theme-mars    { --theme-color: #ff5040; --theme-glow: rgba(255,80,64,0.4);   --bg-deep: #0d0200; --bg-mid: #1e0600; }
body.theme-jupiter { --theme-color: #ffb347; --theme-glow: rgba(255,179,71,0.4);  --bg-deep: #0d0800; --bg-mid: #1e1200; }
body.theme-saturne { --theme-color: #f5d060; --theme-glow: rgba(245,208,96,0.4);  --bg-deep: #0c0900; --bg-mid: #1c1500; }
body.theme-uranus  { --theme-color: #40e8d0; --theme-glow: rgba(64,232,208,0.4);  --bg-deep: #000c0b; --bg-mid: #001a18; }
body.theme-neptune { --theme-color: #2060ff; --theme-glow: rgba(32,96,255,0.4);   --bg-deep: #000208; --bg-mid: #000510; }

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

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.8s ease, color 0.3s ease;
}

.bg-animated {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: radial-gradient(ellipse at 20% 10%, var(--bg-mid) 0%, var(--bg-deep) 60%);
    transition: background 1s ease;
}

.bg-animated::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 40% 8%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 55% 60%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 25%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 80% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 45%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 80%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 35% 90%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 60% 85%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 50%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 82% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 5% 55%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 92% 88%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 67% 5%, rgba(255,255,255,0.9) 0%, transparent 100%);
    animation: starTwinkle 8s ease-in-out infinite alternate;
}

.bg-animated::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 18% 30%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 33% 65%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 48% 22%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 63% 75%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 48%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 88% 30%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 12% 68%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 96% 60%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 52% 38%, rgba(255,255,255,0.3) 0%, transparent 100%);
    animation: starTwinkle 12s ease-in-out infinite alternate-reverse;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 40% 30% at 15% 20%, var(--theme-glow), transparent),
        radial-gradient(ellipse 30% 40% at 85% 75%, rgba(0,0,0,0) 0%, transparent 100%);
    transition: background 1s ease;
    pointer-events: none;
}

@keyframes starTwinkle {
    0%   { opacity: 0.6; }
    50%  { opacity: 1; }
    100% { opacity: 0.7; }
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    height: 64px;
    background: rgba(2, 4, 8, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: border-color 0.6s ease;
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--theme-color), transparent);
    opacity: 0.6;
    transition: background 0.6s ease;
}

header h1 {
    font-family: 'Orbitron', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--theme-color);
    text-shadow: 0 0 20px var(--theme-glow);
    transition: color 0.6s ease, text-shadow 0.6s ease;
}

.menu-icon, .help-btn {
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.45rem 1rem;
    color: var(--text-secondary);
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.menu-icon::before, .help-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--theme-subtle);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.menu-icon:hover::before, .help-btn:hover::before { opacity: 1; }

.menu-icon:hover, .help-btn:hover {
    border-color: var(--theme-color);
    color: var(--theme-color);
    box-shadow: 0 0 12px var(--theme-glow);
}

.sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100vh;
    background: rgba(2, 6, 14, 0.96);
    backdrop-filter: blur(24px);
    border-right: 1px solid var(--border);
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.6s ease;
    z-index: 1000;
    padding-top: 5rem;
    overflow: hidden;
}

.sidebar::before {
    content: 'NAVIGATION';
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--text-muted);
}

.sidebar.open { left: 0; }

.sidebar ul { list-style: none; }

.sidebar li {
    padding: 0.9rem 1.75rem;
    cursor: pointer;
    font-family: 'Orbitron', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
    position: relative;
}

.sidebar li::after {
    content: '→';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
    opacity: 0;
    transition: all 0.2s ease;
    font-family: monospace;
    font-size: 0.85rem;
}

.sidebar li:hover {
    color: var(--theme-color);
    border-left-color: var(--theme-color);
    background: var(--theme-subtle);
    padding-left: 2.25rem;
    text-shadow: 0 0 10px var(--theme-glow);
}

.sidebar li:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.sidebar li.menu-category {
    color: gray;
    font-size: 0.85em;
    text-transform: uppercase;
    margin-top: 15px;
    pointer-events: none;
    cursor: default;
}

#content-area {
    flex: 1;
    padding: 2.5rem 2.5rem;
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.layer {
    display: none;
    width: 100%;
    flex-direction: column;
    flex: 1;
    text-align: center;
    animation: layerReveal 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.layer.active { display: flex; }

@keyframes layerReveal {
    from {
        opacity: 0;
        transform: translateY(16px);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.main-img {
    margin-bottom: 2.5rem;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.03),
        0 20px 60px rgba(0,0,0,0.5),
        0 0 40px var(--theme-glow);
    transition: box-shadow 0.6s ease, border-color 0.6s ease;
}

.main-img::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.3);
    z-index: 1;
    pointer-events: none;
}

.main-img iframe,
.main-img img {
    width: 100%;
    max-width: 100%;
    height: 70vh;
    border: none;
    display: block;
}

.main-img img { object-fit: cover; }

.flex-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.flex-row .box { flex: 1; min-width: 280px; margin-bottom: 0; }

.box {
    padding: 1.75rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--theme-color), transparent);
    opacity: 0.5;
}

.box:hover {
    border-color: var(--theme-color);
    box-shadow: 0 8px 30px var(--theme-glow);
}

.box h2 {
    font-family: 'Orbitron', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--theme-color);
    margin-bottom: 0.85rem;
    text-shadow: 0 0 15px var(--theme-glow);
}

.box p {
    line-height: 1.7;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.desc-box {
    max-width: 780px;
    margin: 0 auto 2.5rem;
    line-height: 1.75;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 1.25rem 1.75rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    border-left: 3px solid var(--theme-color);
    text-align: left;
    transition: border-color 0.6s ease;
}

#layer-home .desc-box {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    color: var(--theme-color);
    text-align: center;
    background: var(--theme-subtle);
    border: 1px solid var(--theme-color);
    border-left: 1px solid var(--theme-color);
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.ticker-wrap {
    width: 100%;
    overflow: hidden;
    padding: 0.65rem 0;
    margin-bottom: 2.5rem;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    transition: border-color 0.6s ease;
}

.ticker-wrap::before {
    content: '◈ TELEMETRY';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Space Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--theme-color);
    background: var(--bg-deep);
    padding: 0 0.75rem;
    z-index: 1;
    transition: color 0.6s ease;
}

.ticker {
    display: inline-block;
    white-space: nowrap;
    animation: marquee 18s linear infinite;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    padding-left: 7rem;
}

@keyframes marquee {
    from { transform: translateX(100vw); }
    to   { transform: translateX(-100%); }
}

.search-bar {
    margin-bottom: 2rem;
}

.search-bar input {
    width: 100%;
    max-width: 460px;
    padding: 0.7rem 1.25rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.search-bar input::placeholder { color: var(--text-muted); }

.search-bar input:focus {
    border-color: var(--theme-color);
    background: var(--theme-subtle);
    box-shadow: 0 0 16px var(--theme-glow);
}

.table-container {
    margin-bottom: 3rem;
}

.data-table {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table thead tr {
    background: rgba(255,255,255,0.03);
}

.data-table th {
    padding: 0.85rem 1.1rem;
    text-align: center;
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--theme-color);
    border-bottom: 1px solid var(--theme-color);
    border-right: 1px solid var(--border);
    transition: color 0.6s ease, border-color 0.6s ease;
}

.data-table th:last-child { border-right: none; }

.data-table td {
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    vertical-align: middle;
}

.data-table td:last-child { border-right: none; }

.data-table tbody tr {
    transition: background 0.2s ease;
}

.data-table tbody tr:hover td {
    background: var(--theme-subtle);
    color: var(--text-primary);
}

.col-desc {
    width: 40%;
    min-width: 280px;
    text-align: left !important;
    font-size: 0.85rem;
    line-height: 1.55;
    padding: 0.85rem 1.1rem !important;
}

.col-url {
    width: 15%;
    max-width: 320px;
    word-wrap: break-word;
    word-break: break-all;
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    line-height: 1.4;
}

.col-url a {
    color: var(--theme-color) !important;
    text-decoration: none !important;
    font-weight: 400 !important;
    opacity: 0.85;
    transition: opacity 0.2s ease, text-shadow 0.2s ease;
}

.col-url a:hover {
    opacity: 1;
    text-shadow: 0 0 10px var(--theme-glow);
    text-decoration: underline !important;
}

.hidden-row { display: none !important; }

.show-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1.5rem auto 0;
    padding: 0.6rem 1.75rem;
    background: transparent;
    color: var(--theme-color);
    border: 1px solid var(--theme-color);
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.25s ease;
}

.show-more-btn:hover {
    background: var(--theme-subtle);
    box-shadow: 0 0 20px var(--theme-glow);
    transform: translateY(1px);
}

.site-footer {
    text-align: center;
    padding: 1.25rem 2rem;
    background: rgba(2, 4, 8, 0.7);
    backdrop-filter: blur(10px);
    color: var(--text-muted);
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    border-top: 1px solid var(--border);
    transition: border-color 0.6s ease;
}

.site-footer::before {
    content: '◈ ';
    color: var(--theme-color);
    transition: color 0.6s ease;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
    background: var(--theme-color);
    border-radius: 3px;
    opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover { opacity: 1; }

::selection {
    background: var(--theme-glow);
    color: #ffffff;
}

body.theme-soleil {
    background-color: #2a1100;
}
body.theme-soleil .ticker-wrap .ticker {
    color: #ff9800;
}
body.theme-soleil .desc-box {
    border-color: #ff9800;
}

body.theme-lune {
    background-color: #1a1a1d;
}
body.theme-lune .ticker-wrap .ticker {
    color: #e0e0e0;
}
body.theme-lune .desc-box {
    border-color: #aaaaaa;
}

body.theme-Quizz {
    background-color: #1e0033;
}
body.theme-Quizz .desc-box {
    border-color: #9c27b0;
}
body.theme-Quizz .box {
    background: rgba(156, 39, 176, 0.1);
    border: 1px solid #9c27b0;
    box-shadow: 0 0 15px rgba(156, 39, 176, 0.2);
}

.quiz-btn {
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid #9c27b0;
    padding: 12px;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s, transform 0.1s;
}

.quiz-btn:hover {
    background-color: #9c27b0;
    color: #fff;
    transform: scale(1.02);
}

#quiz-restart-btn {
    display: none;
    margin-top: 15px;
    padding: 10px 20px;
    cursor: pointer;
    background-color: #7b1fa2;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    transition: background-color 0.3s, transform 0.1s;
}

#quiz-restart-btn:hover {
    background-color: #9c27b0;
    transform: scale(1.05);
}