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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a1628;
    color: #e0e0e0;
    overflow: hidden;
    height: 100vh;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    position: relative;
}

.login-box {
    background: rgba(10, 22, 40, 0.95);
    border: 1px solid rgba(100, 180, 255, 0.2);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    z-index: 10;
    max-width: 480px;
    width: 90%;
    backdrop-filter: blur(10px);
}

.logo h1 {
    font-size: 3rem;
    color: #4db8ff;
    text-shadow: 0 0 30px rgba(77, 184, 255, 0.5);
    margin-bottom: 8px;
}

.subtitle {
    color: #7ab8e0;
    font-size: 1.1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.login-content {
    margin: 32px 0;
}

.login-content p {
    color: #8aa4c0;
    margin-bottom: 24px;
    line-height: 1.6;
}

.steam-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #1b2838, #2a475e);
    color: white;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
    width: 100%;
    justify-content: center;
}

.steam-btn:hover {
    background: linear-gradient(135deg, #2a475e, #3d6480);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(42, 71, 94, 0.5);
}

.guest-btn {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 14px 32px;
    background: transparent;
    color: #7ab8e0;
    border: 1px solid rgba(100, 180, 255, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.guest-btn:hover {
    background: rgba(100, 180, 255, 0.1);
    border-color: rgba(100, 180, 255, 0.5);
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
}

.feature {
    padding: 8px;
    background: rgba(77, 184, 255, 0.05);
    border-radius: 8px;
    font-size: 0.85rem;
    color: #7ab8e0;
}

/* Animated ocean background */
.ocean-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0a1628 0%, #0d2847 40%, #1a4a7a 70%, #0d2847 100%);
    z-index: 0;
}

.ocean-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 40%;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 40px,
        rgba(77, 184, 255, 0.03) 40px,
        rgba(77, 184, 255, 0.03) 80px
    );
    animation: waves 8s linear infinite;
}

@keyframes waves {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}