/* --- Reset e Variáveis --- */
:root {
    --primary-color: #d32f2f; 
    --primary-hover: #b71c1c;
    --secondary-color: #6c757d;
    --accent-color: #28a745; 
    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --text-color: #333333;
    --spacing: 16px;
    --border-radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: var(--spacing);
}

header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 2);
    border-bottom: 4px solid var(--primary-color);
    padding-bottom: 20px;
}
header h1 { font-size: 1.8rem; color: var(--primary-color); font-weight: 800; text-transform: uppercase; letter-spacing: 1px; }
main { max-width: 800px; margin: 0 auto; width: 100%; }

.hidden { display: none !important; }
section { margin-bottom: calc(var(--spacing) * 2); animation: fadeIn 0.3s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

h2, h3, h4, h5 { margin-bottom: var(--spacing); color: var(--text-color); }
h2 { color: var(--primary-color); border-left: 5px solid var(--primary-color); padding-left: 10px; }

.form-section { background: var(--card-bg); padding: var(--spacing); border-radius: var(--border-radius); box-shadow: 0 2px 5px rgba(0,0,0,0.05); margin-bottom: var(--spacing); }
.form-group { margin-bottom: var(--spacing); }
label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.9rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], input[type="number"], select {
    width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: var(--border-radius); font-size: 16px; background-color: #fff;
}
input:focus, select:focus { border-color: var(--primary-color); outline: none; box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1); }

.limit-group { background: #f9f9f9; padding: 15px; border: 1px solid #ddd; border-radius: var(--border-radius); margin-bottom: var(--spacing); }
.limit-group h5 { margin-bottom: 10px; font-size: 0.9rem; color: var(--primary-color); text-transform: uppercase; }
.inline-checkbox { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; margin-top: 5px; cursor: pointer; }
.inline-checkbox input { width: 16px; height: 16px; cursor: pointer; }

button { width: 100%; padding: 14px; border: none; border-radius: var(--border-radius); font-size: 1rem; font-weight: 700; cursor: pointer; transition: background 0.2s; margin-bottom: 10px; }
.button-primary { background-color: var(--primary-color); color: white; }
.button-primary:hover { background-color: var(--primary-hover); }
.button-secondary { background-color: transparent; border: 2px solid #ddd; color: #555; }
.button-secondary:hover { background-color: #f0f0f0; border-color: #ccc; }

.btn-small { padding: 5px 8px; font-size: 0.9rem; width: auto; }
.btn-danger { background-color: #fff; border: 1px solid #ffcccc; color: #d32f2f; }
.btn-danger:hover { background-color: #ffcccc; }

/* --- ROLAGEM PARA LISTAS GRANDES --- */
#athletesList, #registrationOptions, #myRegistrationsList, #registrationsList {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 5px;
}
#athletesList::-webkit-scrollbar, #registrationOptions::-webkit-scrollbar, #myRegistrationsList::-webkit-scrollbar, #registrationsList::-webkit-scrollbar { width: 6px; }
#athletesList::-webkit-scrollbar-track, #registrationOptions::-webkit-scrollbar-track, #myRegistrationsList::-webkit-scrollbar-track, #registrationsList::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 4px; }
#athletesList::-webkit-scrollbar-thumb, #registrationOptions::-webkit-scrollbar-thumb, #myRegistrationsList::-webkit-scrollbar-thumb, #registrationsList::-webkit-scrollbar-thumb { background: #ccc; border-radius: 4px; }
#athletesList::-webkit-scrollbar-thumb:hover, #registrationOptions::-webkit-scrollbar-thumb:hover, #myRegistrationsList::-webkit-scrollbar-thumb:hover, #registrationsList::-webkit-scrollbar-thumb:hover { background: #aaa; }


.competition-card, .athlete-card, .event-card, .registration-card { background: var(--card-bg); border: 1px solid #eee; padding: var(--spacing); border-radius: var(--border-radius); margin-bottom: var(--spacing); box-shadow: 0 2px 4px rgba(0,0,0,0.05); border-left: 4px solid var(--primary-color); }
.card-header-flex { display: flex; justify-content: space-between; align-items: flex-start; }
.card-header-flex h5 { margin-bottom: 0; padding-right: 10px; word-break: break-word;}

/* Cabeçalhos de agrupamento */
.event-group-header {
    font-size: 1.05rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    margin-top: 20px;
    margin-bottom: 10px;
    padding-bottom: 5px;
    font-weight: 700;
}

/* Novos estilos para o Agrupamento do Admin (Equipe > Prova) */
.admin-team-header {
    font-size: 1.15rem;
    color: var(--text-color);
    background: #e9ecef;
    padding: 8px 12px;
    border-radius: 4px;
    margin-top: 25px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary-color);
}
.admin-event-subheader {
    font-size: 1rem;
    color: var(--primary-color);
    margin-left: 10px;
    margin-top: 15px;
    margin-bottom: 5px;
    border-bottom: 1px solid #ddd;
}
.admin-registration-item {
    margin-left: 20px;
    padding: 6px 8px;
    border-bottom: 1px dashed #eee;
    font-size: 0.95rem;
}


.my-registration-item { display: flex; justify-content: space-between; align-items: center; background-color: #fff5f5; padding: 10px; border-radius: 4px; margin-bottom: 8px; border: 1px solid #ffcccc; }
.athlete-registration-card { background: #fafafa; border: 1px solid #ddd; padding: var(--spacing); border-radius: var(--border-radius); margin-bottom: var(--spacing); }
.athlete-registration-card h6 { font-size: 1.1rem; margin-bottom: 10px; border-bottom: 1px solid #ddd; padding-bottom: 5px; color: var(--primary-color); }
.athlete-registration-card label { display: flex; align-items: center; padding: 8px 0; cursor: pointer; }
.athlete-registration-card input[type="checkbox"] { width: 20px; height: 20px; margin-right: 10px; accent-color: var(--primary-color); }

.message { padding: 10px; border-radius: var(--border-radius); margin-top: 10px; font-size: 0.9rem; text-align: center; display: none; }
.message.success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.message.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

@media (min-width: 768px) {
    header h1 { font-size: 2.2rem; }
    button { width: auto; display: inline-block; padding: 10px 25px; margin-right: 10px; }
    #availableCompetitionsList { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing); }
    .competition-card { margin-bottom: 0; height: 100%; }
    .form-group-row { display: flex; gap: var(--spacing); }
    .form-group-row .form-group { flex: 1; }
    .container-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing); }
}