:root {
    --bg-dark: #0f1115;
    --panel-bg: #161920;
    --accent-blue: #3b82f6;
    --accent-red: #ef4444;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.trainer-container {
    width: 800px;
    height: 500px;
    background-color: var(--panel-bg);
    border: 1px solid #242936;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.screen {
    display: none;
    width: 100%;
    height: 100%;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    inset: 0;
}

.screen.active {
    display: flex;
}

h1 {
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: white;
    border: none;
    padding: 12px 36px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background: transparent;
    border: 1px solid #374151;
    color: var(--text-muted);
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
}

.btn-secondary:hover {
    background: #242936;
    color: var(--text-main);
}

.hud {
    width: 100%;
    height: 50px;
    border-bottom: 1px solid #242936;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    font-weight: 500;
}

#target-area {
    flex: 1;
    width: 100%;
    position: relative;
    cursor: crosshair;
}

#target {
    width: 40px;
    height: 40px;
    background-color: var(--accent-red);
    border-radius: 50%;
    position: absolute;
    display: none;
    transform: translate(-50%, -50%);
}

.footer-link {
    position: absolute;
    bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-link a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer-link a:hover {
    text-decoration: underline;
}