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

body {
    background-color: #0f172a;
    color: #f8fafc;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

    
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #1e293b;
    border-bottom: 1px solid #334155;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #38bdf8;
    text-decoration: none;
}

.logo span { color: #4ade80; }

.nav-links {
    display: flex;
    gap: 15px;
    list-style: none;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.95rem;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a:hover, .nav-links a.active {
    color: #38bdf8;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    width: 100%;
    flex: 1;
}


.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: #1e293b;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #334155;
}

.btn-primary {
    background-color: #38bdf8;
    color: #0f172a;
    font-weight: bold;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover { background-color: #0ea5e9; }


input, select, textarea {
    width: 100%;
    padding: 10px;
    background-color: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    color: #fff;
    margin-top: 5px;
    margin-bottom: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 12px;
    border-bottom: 1px solid #334155;
    text-align: left;
}


.podium-card {
    background: #1e293b;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.rank-1 { border-left: 5px solid #facc15; }
.rank-2 { border-left: 5px solid #cbd5e1; }
.rank-3 { border-left: 5px solid #f97316; }


@media (max-width: 768px) {
    .navbar { flex-direction: column; gap: 10px; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
}

.footer-copy {
    text-align: center;
    padding: 1.5rem 1rem;
    color: #64748b;
    font-size: 0.85rem;
    border-top: 1px solid #1e293b;
    margin-top: 3rem;
    background-color: #0f172a;
}
.footer-copy span {
    color: #38bdf8;
    font-weight: 600;
}

/* Botão Flutuante do WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #fff;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
}