:root {
    --bg: #0b0c10;
    --panel: #14161c;
    --key-idle: #222630;
    --accent: #00d4ff;
    --tested: #1a2a40;
    --text-main: #ffffff;
    --text-muted: #788299;
    --key-size: 50px;
    --gap: 6px;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: 'Inter', system-ui, sans-serif;
    margin: 0;
    padding: 30px 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    box-sizing: border-box;
    position: relative;
}

/* --- HUD & ANIMATIONS --- */
.hud-datetime {
    position: absolute;
    top: 20px; left: 20px;
    font-family: monospace; font-size: 14px; font-weight: bold;
    background: linear-gradient(90deg, #ff007f, #00ffff, #ff007f);
    background-size: 200% auto;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: flow 4s linear infinite;
}

/* --- MAIN CONTENT CENTER --- */
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center; /* TÜM İÇERİĞİ YATAYDA TAM ORTALAR */
    width: 100%;
    max-width: 1250px;
    text-align: center;
}

.welcome-header {
    display: flex;
    flex-direction: column; /* Emoji ve metni alt alta alarak daha iyi ortalar */
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
}

.welcome-text {
    font-size: 2.2rem; 
    font-weight: 800;
    margin: 0;
    letter-spacing: -1px;
    background: linear-gradient(90deg, #ff007f, #00ffff, #ff007f);
    background-size: 200% auto;
    -webkit-background-clip: text; 
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: flow 4s linear infinite;
}

@keyframes flow { 0% { background-position: 0% center; } 100% { background-position: 200% center; } }

/* --- ADVERTISING --- */
.ad-horizontal {
    width: 728px;
    height: 90px;
    background: #101216;
    border: 1px dashed #333;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 40px auto; /* Üstten ve alttan dengeli boşluk, ortalanmış */
    border-radius: 6px;
}

.ad-sidebar { margin-top: 150px; } /* Yan reklamları başlığın biraz daha altına iter */

.ad-vertical { 
    width: 160px; height: 600px; 
    background: #101216; border: 1px dashed #333; 
    display: flex; align-items: center; justify-content: center; 
    border-radius: 6px; position: sticky; top: 40px; 
}

.ad-label { color: #444; font-size: 11px; letter-spacing: 1px; }

/* --- DASHBOARD & LAYOUT --- */
.global-layout { 
    display: flex; 
    gap: 100px; /* Yan reklamlar ile klavye arasını biraz daha açarak ferahlatır */
    align-items: flex-start; 
    max-width: 1800px; 
}

.dashboard { 
    display: flex; 
    gap: 30px; 
    margin-bottom: 40px; /* Dashboard ile klavye arasını açar */
    justify-content: center; 
    width: 100%;
}

.stats-panel, .mouse-tester { 
    background: var(--panel); 
    padding: 15px 25px; 
    border-radius: 8px; 
    border: 1px solid #1f232e; 
    display: flex; 
    align-items: center; 
    gap: 25px; 
}

.stat-box .label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; }
.stat-box .value { font-size: 24px; font-weight: bold; color: var(--accent); font-family: monospace; }

.reset-btn { 
    background: transparent; 
    border: 1px solid #444; 
    color: var(--text-muted); 
    padding: 10px 20px; 
    cursor: pointer; 
    border-radius: 4px; 
    font-weight: 600; 
    transition: 0.2s;
}
.reset-btn:hover { background: #e63946; color: white; border-color: #e63946; }

/* Mouse UI */
.mouse-btn { width: 90px; height: 50px; background: var(--key-idle); border-radius: 6px 6px 20px 20px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: bold; color: var(--text-muted); border-bottom: 4px solid #000; }
.mouse-wheel { width: 50px; height: 50px; background: var(--key-idle); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: bold; color: var(--text-muted); border-bottom: 4px solid #000; }
.mouse-btn.active, .mouse-wheel.active { background: var(--accent); color: #000; transform: translateY(3px); border-bottom: 0; }
.mouse-btn.tested, .mouse-wheel.tested { background: var(--tested); color: var(--accent); }

/* --- HARDWARE MODULE --- */
.hardware-module { 
    display: flex; 
    flex-direction: column; 
    border-radius: 12px; 
    overflow: hidden; 
    box-shadow: 0 25px 50px rgba(0,0,0,0.6); 
    width: fit-content; /* Kasanın içeriğe göre daralmasını sağlar */
    margin: 0 auto;
}

.keyboard-chassis { display: flex; gap: 20px; background: #111318; padding: 30px; border: 1px solid #222; border-bottom: none; }
.log-container { background: #0d0f13; border: 1px solid #222; border-top: 1px dashed #333; }
.log-header { background: #0a0b0e; padding: 10px 25px; font-size: 10px; color: #555; font-weight: bold; letter-spacing: 2px; }
.history-log { height: 145px; padding: 10px 25px 20px 25px; display: flex; flex-direction: column; gap: 5px; }

.log-entry { font-family: monospace; font-size: 13px; color: #a0aabf; padding: 6px 12px; background: rgba(255, 255, 255, 0.02); border-radius: 4px; display: flex; justify-content: space-between; border-left: 3px solid transparent; }
.log-entry.keydown { border-left-color: var(--accent); }
.log-entry.keyup { border-left-color: #e63946; opacity: 0.6; }

/* --- KEYS --- */
.key { background: var(--key-idle); width: var(--key-size); height: var(--key-size); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; border-bottom: 4px solid #000; color: var(--text-muted); transition: 0.05s; }
.key.active { background: var(--accent); color: #000; transform: translateY(4px); border-bottom: 0; }
.key.tested { background: var(--tested); color: var(--accent); }

.main-block { display: flex; flex-wrap: wrap; gap: var(--gap); width: 834px; }
.key[data-code="Escape"], .key[data-code="F4"], .key[data-code="F8"] { margin-right: 28px; }
.key[data-code="Backspace"] { width: 106px; }
.key[data-code="Tab"] { width: 80px; }
.key[data-code="Backslash"] { width: 76px; }
.key[data-code="CapsLock"] { width: 95px; }
.key[data-code="Enter"] { width: 117px; }
.key[data-code="ShiftLeft"] { width: 125px; }
.key[data-code="ShiftRight"] { width: 143px; }
.key[data-code="ControlLeft"], .key[data-code="MetaLeft"], .key[data-code="AltLeft"], .key[data-code="AltRight"], .key[data-code="Fn"], .key[data-code="ContextMenu"], .key[data-code="ControlRight"] { width: 63px; }
.key[data-code="Space"] { width: 351px; }

.nav-block { display: grid; grid-template-columns: repeat(3, var(--key-size)); grid-template-rows: repeat(5, var(--key-size)); gap: var(--gap); }
.key[data-code="ArrowUp"] { grid-column: 2; grid-row: 4; }
.key[data-code="ArrowLeft"] { grid-column: 1; grid-row: 5; }
.key[data-code="ArrowDown"] { grid-column: 2; grid-row: 5; }
.key[data-code="ArrowRight"] { grid-column: 3; grid-row: 5; }

.numpad-block { display: grid; grid-template-columns: repeat(4, var(--key-size)); grid-template-rows: repeat(5, var(--key-size)); gap: var(--gap); }
.key[data-code="NumpadAdd"] { grid-column: 4; grid-row: 2 / span 2; height: 106px; }
.key[data-code="NumpadEnter"] { grid-column: 4; grid-row: 4 / span 2; height: 106px; }
.key[data-code="Numpad0"] { grid-column: 1 / span 2; width: 106px; }

/* --- FOOTER & MODAL --- */
.site-footer { margin-top: 60px; padding: 20px; text-align: center; border-top: 1px dashed #222; width: 100%; }
.footer-links { display: flex; justify-content: center; gap: 30px; margin-bottom: 15px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; }
.footer-links a:hover { color: var(--accent); }
.copyright { color: #444; font-size: 11px; }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.9); display: none; justify-content: center; align-items: center; z-index: 1000; }
.modal-content { background: var(--panel); width: 95%; max-width: 600px; padding: 40px; border-radius: 12px; border: 1px solid var(--accent); position: relative; }
.modal-text { color: var(--text-muted); line-height: 1.6; font-size: 14px; max-height: 400px; overflow-y: auto; text-align: left; }
.close-btn { position: absolute; top: 15px; right: 20px; font-size: 30px; cursor: pointer; color: var(--text-muted); }