* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: #FFEB3B; /* Amarelo moderno e vivo */
    color: #111827;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    text-align: center;
}

header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 30px;
    color: #1f2937;
    letter-spacing: -0.025em;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.btn-red {
    background-color: #DC2626; /* Vermelho vibrante */
    color: #ffffff;
}

.btn-red:hover {
    background-color: #B91C1C;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(220, 38, 38, 0.25);
}

.btn-red:active {
    transform: translateY(0);
}

.btn-back {
    background-color: #4B5563;
    color: #ffffff;
    margin-bottom: 20px;
    width: auto;
    padding: 10px 16px;
    font-size: 0.95rem;
}

.btn-back:hover {
    background-color: #374151;
}

.dynamic-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.button-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    width: 100%;
}

@media (min-width: 480px) {
    .button-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.dynamic-btn {
    background-color: #F3F4F6;
    color: #1F2937;
    border: 1px solid #E5E7EB;
    padding: 14px 18px;
    border-radius: 10px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.dynamic-btn:hover {
    background-color: #E5E7EB;
    border-color: #D1D5DB;
}

.detail-box {
    margin-top: 20px;
    width: 100%;
    text-align: left;
    background: #F9FAFB;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #E5E7EB;
}

.hidden {
    display: none !important;
}