.km-tb-booking {
    max-width: 640px;
    margin: 0 auto;
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 32px;
}

.km-tb-title {
    font-size: 20px;
    font-weight: 800;
    color: #1a1a1a;
    margin: 0 0 20px;
}

.km-tb-loading { color: #888; font-style: italic; }

/* Passo 1: turmas */
.km-tb-turmas-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
@media (max-width: 480px) {
    .km-tb-turmas-list { grid-template-columns: 1fr; }
}

.km-tb-turma-card {
    border: 2px solid #eee;
    border-radius: 12px;
    padding: 18px;
    text-align: center;
    font-weight: 700;
    color: #1a1a1a;
    cursor: pointer;
    transition: all .15s ease;
}
.km-tb-turma-card:hover {
    border-color: #ff6a1a;
    background: #fff6f0;
    transform: translateY(-2px);
}

/* Passo 2: dias e horários */
.km-tb-dia-grupo { margin-bottom: 18px; }
.km-tb-dia-nome {
    font-weight: 800;
    color: #2e8b3d;
    margin-bottom: 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.km-tb-horarios-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.km-tb-horario-btn {
    border: 2px solid #ddd;
    background: #fff;
    border-radius: 999px;
    padding: 10px 18px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all .15s ease;
    color: #1a1a1a;
}
.km-tb-horario-btn:hover:not(.km-tb-ocupado) {
    border-color: #ff6a1a;
    background: #ff6a1a;
    color: #fff;
}
.km-tb-horario-btn.km-tb-ocupado {
    background: #f2f2f2;
    color: #aaa;
    border-color: #eee;
    cursor: not-allowed;
    text-decoration: line-through;
}

/* Passo 3: formulário */
.km-tb-resumo-slot {
    background: #f6fff7;
    border: 1px solid #d5f2da;
    border-radius: 10px;
    padding: 12px 16px;
    font-weight: 700;
    color: #2e8b3d;
    margin-bottom: 18px;
}
.km-tb-field { margin-bottom: 16px; }
.km-tb-field label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
    font-size: 14px;
}
.km-tb-field input {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
}
.km-tb-field input:focus {
    outline: none;
    border-color: #ff6a1a;
}

.km-tb-erro {
    background: #fdecea;
    color: #b3261e;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 14px;
    font-weight: 600;
}

.km-tb-btn {
    display: inline-block;
    width: 100%;
    background: #ff6a1a;
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: background .15s ease;
}
.km-tb-btn:hover { background: #e85e12; }
.km-tb-btn:disabled { background: #ccc; cursor: not-allowed; }

.km-tb-voltar {
    background: none;
    border: none;
    color: #2e8b3d;
    font-weight: 700;
    cursor: pointer;
    padding: 0;
    margin-bottom: 16px;
    font-size: 14px;
}

/* Passo 4: sucesso */
.km-tb-step-sucesso { text-align: center; }
.km-tb-sucesso-icone {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #2e8b3d;
    color: #fff;
    font-size: 32px;
    line-height: 64px;
    margin: 0 auto 16px;
}