:root {
            --primary-color: #838281;
            --secondary-color: #555453;
            --dark-color: #1a1a1a;
            --light-color: #f4f4f4;
            --accent-color: #838281;
            --gradient-start: #1a1a1a;
            --gradient-end: #555453;
            --button-shadow: 0 4px 15px rgba(255, 184, 0, 0.18);
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        ::-webkit-scrollbar {
            display: none;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--dark-color);
            color: var(--light-color);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
        }
        .navbar {
    background: rgba(255, 255, 255, 0.07);
    padding: 1.2rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1002;
    display: flex;
    justify-content: center; 
    align-items: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    gap: 2rem; 
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo:hover {
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(189, 189, 189, 0.25);
}

.logo i {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0 auto;
}

.nav-links a {
    color: var(--light-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.6rem 1.2rem;
    border-radius: 14px;
    position: relative;
    background: rgba(189, 189, 189, 0.08);
    border: 1px solid rgba(189, 189, 189, 0.18);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 80%;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover {
    color: var(--primary-color);
    background: rgba(189, 189, 189, 0.16);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.login-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #fff !important;
    padding: 0.8rem 2rem !important;
    border-radius: 25px !important;
    box-shadow: var(--button-shadow);
    border: none !important;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(189, 189, 189, 0.18);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.login-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white !important;
    padding: 0.8rem 2rem !important;
    border-radius: 25px !important;
    box-shadow: var(--button-shadow);
    border: none !important;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 224, 102, 0.4);
}

.mobile-menu {display: none;font-size: 1.5rem;cursor: pointer;}
        .hero-tournaments {min-height: 50vh;display: flex;flex-direction: column;align-items: center;justify-content: center;position: relative;overflow: hidden;background-color: #181818;background-image:    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 40px),    repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 40px),    radial-gradient(ellipse at 60% 40%, rgba(255,255,255,0.07) 0%, transparent 70%);background-size: 40px 40px, 40px 40px, cover;text-align: center;z-index: 1;border-radius: 0 0 32px 32px;box-shadow: 0 8px 32px 0 rgba(0,0,0,0.10);}
        .hero-tournaments h1 {font-size: 2.5rem;color: var(--primary-color);margin-bottom: 1rem;font-weight: bold;letter-spacing: 1px;position: relative;z-index: 2;display: flex;align-items: center;justify-content: center;gap: 1rem;text-shadow: 0 0 24px #83828133;}
        .hero-tournaments h1 .trophy-float {font-size: 2.5rem;color: var(--light-color);filter: drop-shadow(0 0 16px var(--primary-color));animation: floatTrophy 3s ease-in-out infinite;}
        @keyframes floatTrophy {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-18px); }
        }
        .hero-tournaments p {
            color: #e0e0e0;
            font-size: 1.18rem;
            margin-bottom: 0;
            position: relative;
            z-index: 2;
            font-weight: 400;
            text-shadow: 0 1px 8px rgba(0,0,0,0.08);
        }
        .tournaments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto 4rem auto;
            padding: 2rem 1rem;
            position: relative;
            z-index: 2;
        }
        .tournament-box {
            background: rgba(40, 40, 40, 0.85); 
            border: 1.5px solid rgba(131, 130, 129, 0.18); 
            border-radius: 24px;
            box-shadow: 0 8px 32px 0 rgba(0,0,0,0.25);
            padding: 2.2rem 2rem 1.5rem 2rem;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
            transition: transform 0.2s, box-shadow 0.2s;
            min-height: 300px;
            color: var(--light-color);
            backdrop-filter: blur(8px);
        }
        .tournament-box:hover {
            transform: translateY(-8px) scale(1.03);
            box-shadow: 0 12px 32px rgba(131, 130, 129, 0.18);
            border-color: var(--primary-color);
        }
        .tournament-title {
            font-size: 1.5rem;
            color: var(--primary-color);
            font-weight: bold;
            margin-bottom: 0.7rem;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .tournament-info {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .tournament-info span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: #e0e0e0;
            font-size: 1.05rem;
            background: rgba(255,255,255,0.04);
            border-radius: 8px;
            padding: 0.3rem 0.9rem;
        }
        .tournament-prize {
            color: var(--primary-color);
            font-weight: bold;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tournament-join-btn {
            background: rgba(255, 255, 255, 0.08);
            color: var(--light-color);
            border: 1px solid #6e6e6e;
            border-radius: 12px;
            padding: 0.7rem 2rem;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.2s;
            box-shadow: 0 4px 20px rgba(131, 130, 129, 0.10);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            align-self: center;
        }
        .tournament-join-btn:hover {
            background: rgba(241, 240, 238, 0.16);
            color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-2px) scale(1.04);
        }
        .tournament-join-btn[disabled] {
            background: rgba(80,80,80,0.18);
            color: #aaa;
            border-color: #444;
            cursor: not-allowed;
        }
        @media (max-width: 768px) {
            .hero-tournaments h1 {
                font-size: 2rem;
            }
            .tournaments-grid {
                grid-template-columns: 1fr;
            }
        }
        .navbar .mobile-menu {
            margin-left: 2rem;
            margin-right: 0;
        }
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100vw;
            height: 100vh;
            overflow: auto;
            background: rgba(0,0,0,0.7);
            justify-content: center;
            align-items: center;
        }
        .modal.active {
            display: flex;
        }
        .modal-content {
            background: #232323;
            border-radius: 16px;
            padding: 2.5rem 2rem;
            box-shadow: 0 8px 32px rgba(0,0,0,0.25);
            max-width: 400px;
            width: 100%;
            text-align: center;
            position: relative;
        }
        .modal-content h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .modal-content label {
            display: block;
            color: #fff;
            margin-bottom: 0.5rem;
            text-align: right;
        }
        .modal-content input {
            width: 100%;
            padding: 0.7rem;
            margin-bottom: 1.2rem;
            border-radius: 8px;
            border: 1px solid #444;
            background: #181818;
            color: #fff;
            font-size: 1rem;
        }
        .modal-content button {
            background: linear-gradient(135deg, #919191 0%, #919191 100%);
            color: #1a1a1a;
            border: none;
            border-radius: 25px;
            padding: 0.7rem 2rem;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
        }
        .modal-content button:hover {
            transform: translateY(-2px) scale(1.04);
        }
        .modal-close {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .modal-success {
            color: #feb800;
            margin-top: 1rem;
        }

                .tournament-note {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(131, 130, 129, 0.18);
            border-radius: 12px;
            padding: 1rem;
            margin: 1rem 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.95rem;
            color: #e0e0e0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            backdrop-filter: blur(5px);
        }
        .tournament-note i {
            color: var(--primary-color);
            font-size: 1rem;
        }
        .tournament-note span {
            line-height: 1.4;
        }